[v2,01/20] media: venus: pm_helpers: Only set rate of the core clock in core_clks_enable

Commit Message

Konrad Dybcio Feb. 9, 2024, 9:09 p.m. UTC

Commit c22b1a29497c ("media: venus: core,pm: Vote for min clk freq
during venus boot") intended to up the rate of the Venus core clock
from the XO minimum to something more reasonable, based on the per-
SoC frequency table.

Unfortunately, it ended up calling set_rate with that same argument
on all clocks in res->clks. Fix that using the OPP API.

Fixes: c22b1a29497c ("media: venus: core,pm: Vote for min clk freq during venus boot")
Signed-off-by: Konrad Dybcio <[e-mail]>
---
 drivers/media/platform/qcom/venus/pm_helpers.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

Comments

Dikshita Agarwal July 12, 2024, 6:07 a.m. UTC | #1

Hi All,

Please ignore this patch, didn't realize it was in my workspace when I sent
the other series. Sorry for spam.

Thanks,
Dikshita

On 7/12/2024 11:18 AM, Dikshita Agarwal wrote:
> From: Konrad Dybcio <[e-mail]>
> 
> Commit c22b1a29497c ("media: venus: core,pm: Vote for min clk freq
> during venus boot") intended to up the rate of the Venus core clock
> from the XO minimum to something more reasonable, based on the per-
> SoC frequency table.
> 
> Unfortunately, it ended up calling set_rate with that same argument
> on all clocks in res->clks. Fix that using the OPP API.
> 
> Fixes: c22b1a29497c ("media: venus: core,pm: Vote for min clk freq during venus boot")
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 23 +++++++++++------------
>  1 file changed, 11 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 502822059498..8bd0ce4ce69d 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -41,24 +41,23 @@ static int core_clks_get(struct venus_core *core)
>  static int core_clks_enable(struct venus_core *core)
>  {
>  	const struct venus_resources *res = core->res;
> -	const struct freq_tbl *freq_tbl = core->res->freq_tbl;
> -	unsigned int freq_tbl_size = core->res->freq_tbl_size;
> -	unsigned long freq;
> +	struct dev_pm_opp *opp;
> +	unsigned long freq = 0;
>  	unsigned int i;
>  	int ret;
>  
> -	if (!freq_tbl)
> -		return -EINVAL;
> +	if (core->has_opp_table) {
> +		opp = dev_pm_opp_find_freq_ceil(core->dev, &freq);
> +		if (IS_ERR(opp))
> +			return PTR_ERR(opp);
> +		dev_pm_opp_put(opp);
>  
> -	freq = freq_tbl[freq_tbl_size - 1].freq;
> +		ret = dev_pm_opp_set_rate(core->dev, freq);
> +		if (ret)
> +			return ret;
> +	}
>  
>  	for (i = 0; i < res->clks_num; i++) {
> -		if (IS_V6(core)) {
> -			ret = clk_set_rate(core->clks[i], freq);
> -			if (ret)
> -				goto err;
> -		}
> -
>  		ret = clk_prepare_enable(core->clks[i]);
>  		if (ret)
>  			goto err;
> 
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:46 +0100
> Subject: [PATCH v2 02/20] media: venus: pm_helpers: Rename core_clks_get to
>  venus_clks_get
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> Cc: Marijn Suijten <[e-mail]>,
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> 
> "core" is used in multiple contexts when talking about Venus, rename
> the function to save on confusion.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 8bd0ce4ce69d..ac7c83404c6e 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -23,7 +23,7 @@
>  
>  static bool legacy_binding;
>  
> -static int core_clks_get(struct venus_core *core)
> +static int venus_clks_get(struct venus_core *core)
>  {
>  	const struct venus_resources *res = core->res;
>  	struct device *dev = core->dev;
> @@ -294,7 +294,7 @@ static int core_get_v1(struct venus_core *core)
>  {
>  	int ret;
>  
> -	ret = core_clks_get(core);
> +	ret = venus_clks_get(core);
>  	if (ret)
>  		return ret;
>  
> @@ -961,7 +961,7 @@ static int core_get_v4(struct venus_core *core)
>  	const struct venus_resources *res = core->res;
>  	int ret;
>  
> -	ret = core_clks_get(core);
> +	ret = venus_clks_get(core);
>  	if (ret)
>  		return ret;
>  
> 
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:47 +0100
> Subject: [PATCH v2 03/20] media: venus: pm_helpers: Add kerneldoc to
>  venus_clks_get()
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> To make it easier to understand the various clock requirements within
> this driver, add kerneldoc to venus_clk_get() explaining the fluff.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 28 ++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index ac7c83404c6e..ea0a7d4601e2 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -23,6 +23,34 @@
>  
>  static bool legacy_binding;
>  
> +/**
> + * venus_clks_get() - Get Venus clocks that are not bound to a vcodec
> + * @core: A pointer to the venus core resource
> + *
> + * The Venus block (depending on the generation) can be split into a couple
> + * of clock domains: one for "main logic" and one for each video core (0-2pcs).
> + *
> + * MSM8916 (and possibly other HFIv1 users) only feature the "main logic"
> + * domain, so this function is the only kind if clk_get necessary there.
> + *
> + * MSM8996 (and other HFIv3 users) feature two video cores, with core0 being
> + * statically proclaimed a decoder and core1 an encoder, with both having
> + * their own clock domains.
> + *
> + * SDM845 features two video cores, each one of which may or may not be
> + * subdivided into 2 enc/dec threads.
> + *
> + * Other SoCs either feature a single video core (with its own clock domain)
> + * or 1 video core and 1 CVP (Computer Vision Processor) core. In both cases
> + * we treat it the same (CVP only happens to live near-by Venus on the SoC).
> + *
> + * Due to unfortunate developments in the past, we have to support bindings
> + * (MSM8996, SDM660, SDM845) that require specifying the clocks and
> + * power-domains associated with a video core domain in a bogus subnode,
> + * which means that additional fluff is necessary..
> + *
> + * Return: 0 on success, negative errno on failure.
> + */
>  static int venus_clks_get(struct venus_core *core)
>  {
>  	const struct venus_resources *res = core->res;
> 
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>         Fri, 09 Feb 2024 13:09:54 -0800 (PST)
> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:48 +0100
> Subject: [PATCH v2 04/20] media: venus: core: Set OPP clkname in a common
>  code path
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> Calling devm_pm_opp_set_clkname() is repeated for all HFI versions in
> pm_ops->core_power.
> 
> Move it to the common codepath.
> 
> This also lets us get rid of core_get_v1.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       |  5 +++++
>  drivers/media/platform/qcom/venus/pm_helpers.c | 23 ++---------------------
>  2 files changed, 7 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index ce206b709754..5ab3c414ec0f 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -14,6 +14,7 @@
>  #include <linux/of.h>
>  #include <linux/of_platform.h>
>  #include <linux/platform_device.h>
> +#include <linux/pm_opp.h>
>  #include <linux/slab.h>
>  #include <linux/types.h>
>  #include <linux/pm_domain.h>
> @@ -319,6 +320,10 @@ static int venus_probe(struct platform_device *pdev)
>  	if (!core->pm_ops)
>  		return -ENODEV;
>  
> +	ret = devm_pm_opp_set_clkname(dev, "core");
> +	if (ret)
> +		return ret;
> +
>  	if (core->pm_ops->core_get) {
>  		ret = core->pm_ops->core_get(core);
>  		if (ret)
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index ea0a7d4601e2..1ba65345a5e2 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -318,21 +318,6 @@ static int load_scale_v1(struct venus_inst *inst)
>  	return ret;
>  }
>  
> -static int core_get_v1(struct venus_core *core)
> -{
> -	int ret;
> -
> -	ret = venus_clks_get(core);
> -	if (ret)
> -		return ret;
> -
> -	ret = devm_pm_opp_set_clkname(core->dev, "core");
> -	if (ret)
> -		return ret;
> -
> -	return 0;
> -}
> -
>  static void core_put_v1(struct venus_core *core)
>  {
>  }
> @@ -350,7 +335,7 @@ static int core_power_v1(struct venus_core *core, int on)
>  }
>  
>  static const struct venus_pm_ops pm_ops_v1 = {
> -	.core_get = core_get_v1,
> +	.core_get = venus_clks_get,
>  	.core_put = core_put_v1,
>  	.core_power = core_power_v1,
>  	.load_scale = load_scale_v1,
> @@ -423,7 +408,7 @@ static int venc_power_v3(struct device *dev, int on)
>  }
>  
>  static const struct venus_pm_ops pm_ops_v3 = {
> -	.core_get = core_get_v1,
> +	.core_get = venus_clks_get,
>  	.core_put = core_put_v1,
>  	.core_power = core_power_v1,
>  	.vdec_get = vdec_get_v3,
> @@ -1013,10 +998,6 @@ static int core_get_v4(struct venus_core *core)
>  	if (legacy_binding)
>  		return 0;
>  
> -	ret = devm_pm_opp_set_clkname(dev, "core");
> -	if (ret)
> -		return ret;
> -
>  	ret = vcodec_domains_get(core);
>  	if (ret)
>  		return ret;
> 
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>         Fri, 09 Feb 2024 13:09:55 -0800 (PST)
> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:49 +0100
> Subject: [PATCH v2 05/20] media: venus: pm_helpers: Kill dead code
> Precedence: bulk
> X-Mailing-List: [e-mail]
> List-Id: <linux-media.vger.kernel.org>
> List-Subscribe: <mailto:[e-mail]>
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> In-Reply-To: <[e-mail]>
> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
> X-Mailer: b4 0.12.2
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> 
> A situation like:
> 
> if (!foo)
> 	goto bar;
> 
> for (i = 0; i < foo; i++)
> 	...1...
> 
> bar:
> 	...2...
> 
> is totally identical to:
> 
> for (i = 0; i < 0; i++) // === if (0)
> 	...1...
> 
> ...2...
> 
> Get rid of such boilerplate.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 1ba65345a5e2..7193075e8c04 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -878,14 +878,10 @@ static int vcodec_domains_get(struct venus_core *core)
>  		.pd_flags = PD_FLAG_NO_DEV_LINK,
>  	};
>  
> -	if (!res->vcodec_pmdomains_num)
> -		goto skip_pmdomains;
> -
>  	ret = dev_pm_domain_attach_list(dev, &vcodec_data, &core->pmdomains);
>  	if (ret < 0)
>  		return ret;
>  
> -skip_pmdomains:
>  	if (!core->res->opp_pmdomain)
>  		return 0;
>  
> @@ -928,9 +924,6 @@ static int core_resets_reset(struct venus_core *core)
>  	unsigned int i;
>  	int ret;
>  
> -	if (!res->resets_num)
> -		return 0;
> -
>  	for (i = 0; i < res->resets_num; i++) {
>  		ret = reset_control_assert(core->resets[i]);
>  		if (ret)
> @@ -953,9 +946,6 @@ static int core_resets_get(struct venus_core *core)
>  	unsigned int i;
>  	int ret;
>  
> -	if (!res->resets_num)
> -		return 0;
> -
>  	for (i = 0; i < res->resets_num; i++) {
>  		core->resets[i] =
>  			devm_reset_control_get_exclusive(dev, res->resets[i]);
> 
> From patchwork Fri Feb  9 21:09:50 2024
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>         Fri, 09 Feb 2024 13:09:57 -0800 (PST)
> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:50 +0100
> Subject: [PATCH v2 06/20] media: venus: pm_helpers: Move reset acquisition
>  to common code
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> There is no reason to keep reset_get code local to HFIv4/v6.
> 
> Move it to the common part.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       |  9 ++++++++-
>  drivers/media/platform/qcom/venus/pm_helpers.c | 23 -----------------------
>  2 files changed, 8 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 5ab3c414ec0f..0652065cb113 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -15,6 +15,7 @@
>  #include <linux/of_platform.h>
>  #include <linux/platform_device.h>
>  #include <linux/pm_opp.h>
> +#include <linux/reset.h>
>  #include <linux/slab.h>
>  #include <linux/types.h>
>  #include <linux/pm_domain.h>
> @@ -286,7 +287,7 @@ static int venus_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
>  	struct venus_core *core;
> -	int ret;
> +	int i, ret;
>  
>  	core = devm_kzalloc(dev, sizeof(*core), GFP_KERNEL);
>  	if (!core)
> @@ -324,6 +325,12 @@ static int venus_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> +	for (i = 0; i < core->res->resets_num; i++) {
> +		core->resets[i] = devm_reset_control_get_exclusive(dev, core->res->resets[i]);
> +		if (IS_ERR(core->resets[i]))
> +			return PTR_ERR(core->resets[i]);
> +	}
> +
>  	if (core->pm_ops->core_get) {
>  		ret = core->pm_ops->core_get(core);
>  		if (ret)
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 7193075e8c04..6017a9236bff 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -939,25 +939,6 @@ static int core_resets_reset(struct venus_core *core)
>  	return ret;
>  }
>  
> -static int core_resets_get(struct venus_core *core)
> -{
> -	struct device *dev = core->dev;
> -	const struct venus_resources *res = core->res;
> -	unsigned int i;
> -	int ret;
> -
> -	for (i = 0; i < res->resets_num; i++) {
> -		core->resets[i] =
> -			devm_reset_control_get_exclusive(dev, res->resets[i]);
> -		if (IS_ERR(core->resets[i])) {
> -			ret = PTR_ERR(core->resets[i]);
> -			return ret;
> -		}
> -	}
> -
> -	return 0;
> -}
> -
>  static int core_get_v4(struct venus_core *core)
>  {
>  	struct device *dev = core->dev;
> @@ -981,10 +962,6 @@ static int core_get_v4(struct venus_core *core)
>  	if (ret)
>  		return ret;
>  
> -	ret = core_resets_get(core);
> -	if (ret)
> -		return ret;
> -
>  	if (legacy_binding)
>  		return 0;
>  
> 
> From patchwork Fri Feb  9 21:09:51 2024
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:51 +0100
> Subject: [PATCH v2 07/20] media: venus: core: Constify all members of the
>  resource struct
> Precedence: bulk
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> In-Reply-To: <[e-mail]>
> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> Nothing inside the resource struct needs to be mutable. Sprinkle
> 'const' all over it. A lot of 'const'.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.h | 58 ++++++++++++++++----------------
>  1 file changed, 29 insertions(+), 29 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> index 6a77de374454..6b1887f7d9cb 100644
> --- a/drivers/media/platform/qcom/venus/core.h
> +++ b/drivers/media/platform/qcom/venus/core.h
> @@ -56,39 +56,39 @@ enum vpu_version {
>  };
>  
>  struct venus_resources {
> -	u64 dma_mask;
> -	const struct freq_tbl *freq_tbl;
> -	unsigned int freq_tbl_size;
> -	const struct bw_tbl *bw_tbl_enc;
> -	unsigned int bw_tbl_enc_size;
> -	const struct bw_tbl *bw_tbl_dec;
> -	unsigned int bw_tbl_dec_size;
> -	const struct reg_val *reg_tbl;
> -	unsigned int reg_tbl_size;
> -	const struct hfi_ubwc_config *ubwc_conf;
> +	const u64 dma_mask;
> +	const struct freq_tbl * const freq_tbl;
> +	const unsigned int freq_tbl_size;
> +	const struct bw_tbl * const bw_tbl_enc;
> +	const unsigned int bw_tbl_enc_size;
> +	const struct bw_tbl * const bw_tbl_dec;
> +	const unsigned int bw_tbl_dec_size;
> +	const struct reg_val * const reg_tbl;
> +	const unsigned int reg_tbl_size;
> +	const struct hfi_ubwc_config * const ubwc_conf;
>  	const char * const clks[VIDC_CLKS_NUM_MAX];
> -	unsigned int clks_num;
> +	const unsigned int clks_num;
>  	const char * const vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
>  	const char * const vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
> -	unsigned int vcodec_clks_num;
> -	const char **vcodec_pmdomains;
> -	unsigned int vcodec_pmdomains_num;
> -	const char **opp_pmdomain;
> -	unsigned int vcodec_num;
> +	const unsigned int vcodec_clks_num;
> +	const char * const *vcodec_pmdomains;
> +	const unsigned int vcodec_pmdomains_num;
> +	const char * const * const opp_pmdomain;
> +	const unsigned int vcodec_num;
>  	const char * const resets[VIDC_RESETS_NUM_MAX];
> -	unsigned int resets_num;
> -	enum hfi_version hfi_version;
> -	enum vpu_version vpu_version;
> -	u8 num_vpp_pipes;
> -	u32 max_load;
> -	unsigned int vmem_id;
> -	u32 vmem_size;
> -	u32 vmem_addr;
> -	u32 cp_start;
> -	u32 cp_size;
> -	u32 cp_nonpixel_start;
> -	u32 cp_nonpixel_size;
> -	const char *fwname;
> +	const unsigned int resets_num;
> +	const enum hfi_version hfi_version;
> +	const enum vpu_version vpu_version;
> +	const u8 num_vpp_pipes;
> +	const u32 max_load;
> +	const unsigned int vmem_id;
> +	const u32 vmem_size;
> +	const u32 vmem_addr;
> +	const u32 cp_start;
> +	const u32 cp_size;
> +	const u32 cp_nonpixel_start;
> +	const u32 cp_nonpixel_size;
> +	const char * const fwname;
>  };
>  
>  enum venus_fmt {
> 
> From patchwork Fri Feb  9 21:09:52 2024
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:52 +0100
> Subject: [PATCH v2 08/20] media: venus: core: Deduplicate OPP genpd names
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> Instead of redefining the same literals over and over again, define
> them once and point the reference to that definition.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 0652065cb113..83ac68f1566f 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -538,6 +538,9 @@ static const struct dev_pm_ops venus_pm_ops = {
>  	SET_RUNTIME_PM_OPS(venus_runtime_suspend, venus_runtime_resume, NULL)
>  };
>  
> +static const char * const pd_names_cx[] = { "cx", NULL };
> +static const char * const pd_names_mx[] = { "mx", NULL };
> +
>  static const struct freq_tbl msm8916_freq_table[] = {
>  	{ 352800, 228570000 },	/* 1920x1088 @ 30 + 1280x720 @ 30 */
>  	{ 244800, 160000000 },	/* 1920x1088 @ 30 */
> @@ -721,7 +724,7 @@ static const struct venus_resources sdm845_res_v2 = {
>  	.vcodec_clks_num = 2,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0", "vcodec1" },
>  	.vcodec_pmdomains_num = 3,
> -	.opp_pmdomain = (const char *[]) { "cx", NULL },
> +	.opp_pmdomain = pd_names_cx,
>  	.vcodec_num = 2,
>  	.max_load = 3110400,	/* 4096x2160@90 */
>  	.hfi_version = HFI_VERSION_4XX,
> @@ -770,7 +773,7 @@ static const struct venus_resources sc7180_res = {
>  	.vcodec_clks_num = 2,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
> -	.opp_pmdomain = (const char *[]) { "cx", NULL },
> +	.opp_pmdomain = pd_names_cx,
>  	.vcodec_num = 1,
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> @@ -827,7 +830,7 @@ static const struct venus_resources sm8250_res = {
>  	.vcodec_clks_num = 1,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
> -	.opp_pmdomain = (const char *[]) { "mx", NULL },
> +	.opp_pmdomain = pd_names_mx,
>  	.vcodec_num = 1,
>  	.max_load = 7833600,
>  	.hfi_version = HFI_VERSION_6XX,
> @@ -886,7 +889,7 @@ static const struct venus_resources sc7280_res = {
>  	.vcodec_clks_num = 2,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
> -	.opp_pmdomain = (const char *[]) { "cx", NULL },
> +	.opp_pmdomain = pd_names_cx,
>  	.vcodec_num = 1,
>  	.hfi_version = HFI_VERSION_6XX,
>  	.vpu_version = VPU_VERSION_IRIS2_1,
> 
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:53 +0100
> Subject: [PATCH v2 09/20] media: venus: core: Get rid of vcodec_num
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
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>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> That field was only introduced to differentiate between the legacy and
> non-legacy SDM845 binding. Get rid of it.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       | 5 -----
>  drivers/media/platform/qcom/venus/core.h       | 1 -
>  drivers/media/platform/qcom/venus/pm_helpers.c | 2 +-
>  3 files changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 83ac68f1566f..1307aa9cf951 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -651,7 +651,6 @@ static const struct venus_resources sdm660_res = {
>  	.vcodec0_clks = { "vcodec0_core" },
>  	.vcodec1_clks = { "vcodec0_core" },
>  	.vcodec_clks_num = 1,
> -	.vcodec_num = 1,
>  	.max_load = 1036800,
>  	.hfi_version = HFI_VERSION_3XX,
>  	.vmem_id = VIDC_RESOURCE_NONE,
> @@ -725,7 +724,6 @@ static const struct venus_resources sdm845_res_v2 = {
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0", "vcodec1" },
>  	.vcodec_pmdomains_num = 3,
>  	.opp_pmdomain = pd_names_cx,
> -	.vcodec_num = 2,
>  	.max_load = 3110400,	/* 4096x2160@90 */
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> @@ -774,7 +772,6 @@ static const struct venus_resources sc7180_res = {
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
>  	.opp_pmdomain = pd_names_cx,
> -	.vcodec_num = 1,
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
>  	.vmem_id = VIDC_RESOURCE_NONE,
> @@ -831,7 +828,6 @@ static const struct venus_resources sm8250_res = {
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
>  	.opp_pmdomain = pd_names_mx,
> -	.vcodec_num = 1,
>  	.max_load = 7833600,
>  	.hfi_version = HFI_VERSION_6XX,
>  	.vpu_version = VPU_VERSION_IRIS2,
> @@ -890,7 +886,6 @@ static const struct venus_resources sc7280_res = {
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
>  	.opp_pmdomain = pd_names_cx,
> -	.vcodec_num = 1,
>  	.hfi_version = HFI_VERSION_6XX,
>  	.vpu_version = VPU_VERSION_IRIS2_1,
>  	.num_vpp_pipes = 1,
> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> index 6b1887f7d9cb..22f998637618 100644
> --- a/drivers/media/platform/qcom/venus/core.h
> +++ b/drivers/media/platform/qcom/venus/core.h
> @@ -74,7 +74,6 @@ struct venus_resources {
>  	const char * const *vcodec_pmdomains;
>  	const unsigned int vcodec_pmdomains_num;
>  	const char * const * const opp_pmdomain;
> -	const unsigned int vcodec_num;
>  	const char * const resets[VIDC_RESETS_NUM_MAX];
>  	const unsigned int resets_num;
>  	const enum hfi_version hfi_version;
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 6017a9236bff..8412deb68ed1 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -622,7 +622,7 @@ min_loaded_core(struct venus_inst *inst, u32 *min_coreid, u32 *min_load, bool lo
>  			VIDC_CORE_ID_1 : VIDC_CORE_ID_2;
>  	*min_load = min(core1_load, core2_load);
>  
> -	if (cores_max < VIDC_CORE_ID_2 || core->res->vcodec_num < 2) {
> +	if (cores_max < VIDC_CORE_ID_2 || legacy_binding) {
>  		*min_coreid = VIDC_CORE_ID_1;
>  		*min_load = core1_load;
>  	}
> 
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:54 +0100
> Subject: [PATCH v2 10/20] media: venus: core: Drop cache properties in
>  resource struct
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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>  pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms=
> 
> Currently VMEM/OCMEM/LLCC is disabled on all platforms.
> 
> Make it unconditional to save on space.
> 
> These caches will not be enabled until the Venus driver can reference
> them as chunks of SRAM (they're modelled as separate devices) to avoid
> hardcoding magic addresses and rougely accessing the hardware,
> bypassing the normal accessors.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c      | 24 ------------------------
>  drivers/media/platform/qcom/venus/core.h      |  3 ---
>  drivers/media/platform/qcom/venus/hfi_venus.c | 10 ++++------
>  3 files changed, 4 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 1307aa9cf951..43105e765c53 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -562,9 +562,6 @@ static const struct venus_resources msm8916_res = {
>  	.clks_num = 3,
>  	.max_load = 352800, /* 720p@30 + 1080p@30 */
>  	.hfi_version = HFI_VERSION_1XX,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.dma_mask = 0xddc00000 - 1,
>  	.fwname = "qcom/venus-1.8/venus.mbn",
>  };
> @@ -595,9 +592,6 @@ static const struct venus_resources msm8996_res = {
>  	.vcodec_clks_num = 1,
>  	.max_load = 2563200,
>  	.hfi_version = HFI_VERSION_3XX,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.dma_mask = 0xddc00000 - 1,
>  	.fwname = "qcom/venus-4.2/venus.mbn",
>  };
> @@ -653,9 +647,6 @@ static const struct venus_resources sdm660_res = {
>  	.vcodec_clks_num = 1,
>  	.max_load = 1036800,
>  	.hfi_version = HFI_VERSION_3XX,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.cp_start = 0,
>  	.cp_size = 0x79000000,
>  	.cp_nonpixel_start = 0x1000000,
> @@ -702,9 +693,6 @@ static const struct venus_resources sdm845_res = {
>  	.max_load = 3110400,	/* 4096x2160@90 */
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.dma_mask = 0xe0000000 - 1,
>  	.fwname = "qcom/venus-5.2/venus.mbn",
>  };
> @@ -727,9 +715,6 @@ static const struct venus_resources sdm845_res_v2 = {
>  	.max_load = 3110400,	/* 4096x2160@90 */
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.dma_mask = 0xe0000000 - 1,
>  	.cp_start = 0,
>  	.cp_size = 0x70800000,
> @@ -774,9 +759,6 @@ static const struct venus_resources sc7180_res = {
>  	.opp_pmdomain = pd_names_cx,
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.dma_mask = 0xe0000000 - 1,
>  	.cp_start = 0,
>  	.cp_size = 0x70800000,
> @@ -832,9 +814,6 @@ static const struct venus_resources sm8250_res = {
>  	.hfi_version = HFI_VERSION_6XX,
>  	.vpu_version = VPU_VERSION_IRIS2,
>  	.num_vpp_pipes = 4,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.dma_mask = 0xe0000000 - 1,
>  	.fwname = "qcom/vpu-1.0/venus.mbn",
>  };
> @@ -889,9 +868,6 @@ static const struct venus_resources sc7280_res = {
>  	.hfi_version = HFI_VERSION_6XX,
>  	.vpu_version = VPU_VERSION_IRIS2_1,
>  	.num_vpp_pipes = 1,
> -	.vmem_id = VIDC_RESOURCE_NONE,
> -	.vmem_size = 0,
> -	.vmem_addr = 0,
>  	.dma_mask = 0xe0000000 - 1,
>  	.cp_start = 0,
>  	.cp_size = 0x25800000,
> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> index 22f998637618..b1d0687d294f 100644
> --- a/drivers/media/platform/qcom/venus/core.h
> +++ b/drivers/media/platform/qcom/venus/core.h
> @@ -80,9 +80,6 @@ struct venus_resources {
>  	const enum vpu_version vpu_version;
>  	const u8 num_vpp_pipes;
>  	const u32 max_load;
> -	const unsigned int vmem_id;
> -	const u32 vmem_size;
> -	const u32 vmem_addr;
>  	const u32 cp_start;
>  	const u32 cp_size;
>  	const u32 cp_nonpixel_start;
> diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
> index f9437b6412b9..42ff96f71235 100644
> --- a/drivers/media/platform/qcom/venus/hfi_venus.c
> +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
> @@ -1067,17 +1067,14 @@ static void venus_process_msg_sys_error(struct venus_hfi_device *hdev,
>  static irqreturn_t venus_isr_thread(struct venus_core *core)
>  {
>  	struct venus_hfi_device *hdev = to_hfi_priv(core);
> -	const struct venus_resources *res;
>  	void *pkt;
>  	u32 msg_ret;
>  
>  	if (!hdev)
>  		return IRQ_NONE;
>  
> -	res = hdev->core->res;
>  	pkt = hdev->pkt_buf;
>  
> -
>  	while (!venus_iface_msgq_read(hdev, pkt)) {
>  		msg_ret = hfi_process_msg_packet(core, pkt);
>  		switch (msg_ret) {
> @@ -1085,9 +1082,10 @@ static irqreturn_t venus_isr_thread(struct venus_core *core)
>  			venus_process_msg_sys_error(hdev, pkt);
>  			break;
>  		case HFI_MSG_SYS_INIT:
> -			venus_hfi_core_set_resource(core, res->vmem_id,
> -						    res->vmem_size,
> -						    res->vmem_addr,
> +			/* Disable OCMEM/VMEM unconditionally until support is added */
> +			venus_hfi_core_set_resource(core, VIDC_RESOURCE_NONE,
> +						    0,
> +						    0,
>  						    hdev);
>  			break;
>  		case HFI_MSG_SYS_RELEASE_RESOURCE:
> 
> From patchwork Fri Feb  9 21:09:55 2024
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:55 +0100
> Subject: [PATCH v2 11/20] media: venus: core: Use GENMASK for dma_mask
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> The raw literals mean very little. Substitute it with more telling
> bitops macros.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 43105e765c53..06b78e98cebd 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -562,7 +562,7 @@ static const struct venus_resources msm8916_res = {
>  	.clks_num = 3,
>  	.max_load = 352800, /* 720p@30 + 1080p@30 */
>  	.hfi_version = HFI_VERSION_1XX,
> -	.dma_mask = 0xddc00000 - 1,
> +	.dma_mask = (GENMASK(31, 30) | GENMASK(28, 26) | GENMASK(24, 22)) - 1,
>  	.fwname = "qcom/venus-1.8/venus.mbn",
>  };
>  
> @@ -592,7 +592,7 @@ static const struct venus_resources msm8996_res = {
>  	.vcodec_clks_num = 1,
>  	.max_load = 2563200,
>  	.hfi_version = HFI_VERSION_3XX,
> -	.dma_mask = 0xddc00000 - 1,
> +	.dma_mask = (GENMASK(31, 30) | GENMASK(28, 26) | GENMASK(24, 22)) - 1,
>  	.fwname = "qcom/venus-4.2/venus.mbn",
>  };
>  
> @@ -693,7 +693,7 @@ static const struct venus_resources sdm845_res = {
>  	.max_load = 3110400,	/* 4096x2160@90 */
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> -	.dma_mask = 0xe0000000 - 1,
> +	.dma_mask = GENMASK(31, 29) - 1,
>  	.fwname = "qcom/venus-5.2/venus.mbn",
>  };
>  
> @@ -715,7 +715,7 @@ static const struct venus_resources sdm845_res_v2 = {
>  	.max_load = 3110400,	/* 4096x2160@90 */
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> -	.dma_mask = 0xe0000000 - 1,
> +	.dma_mask = GENMASK(31, 29) - 1,
>  	.cp_start = 0,
>  	.cp_size = 0x70800000,
>  	.cp_nonpixel_start = 0x1000000,
> @@ -759,7 +759,7 @@ static const struct venus_resources sc7180_res = {
>  	.opp_pmdomain = pd_names_cx,
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> -	.dma_mask = 0xe0000000 - 1,
> +	.dma_mask = GENMASK(31, 29) - 1,
>  	.cp_start = 0,
>  	.cp_size = 0x70800000,
>  	.cp_nonpixel_start = 0x1000000,
> @@ -814,7 +814,7 @@ static const struct venus_resources sm8250_res = {
>  	.hfi_version = HFI_VERSION_6XX,
>  	.vpu_version = VPU_VERSION_IRIS2,
>  	.num_vpp_pipes = 4,
> -	.dma_mask = 0xe0000000 - 1,
> +	.dma_mask = GENMASK(31, 29) - 1,
>  	.fwname = "qcom/vpu-1.0/venus.mbn",
>  };
>  
> @@ -868,7 +868,7 @@ static const struct venus_resources sc7280_res = {
>  	.hfi_version = HFI_VERSION_6XX,
>  	.vpu_version = VPU_VERSION_IRIS2_1,
>  	.num_vpp_pipes = 1,
> -	.dma_mask = 0xe0000000 - 1,
> +	.dma_mask = GENMASK(31, 29) - 1,
>  	.cp_start = 0,
>  	.cp_size = 0x25800000,
>  	.cp_nonpixel_start = 0x1000000,
> 
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>         Fri, 09 Feb 2024 13:10:08 -0800 (PST)
> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:56 +0100
> Subject: [PATCH v2 12/20] media: venus: core: Remove cp_start
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> It's hardcoded to be zero. Always. Ever since msm-3.10. Or maybe
> even before. Remove it!
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c     | 4 ----
>  drivers/media/platform/qcom/venus/core.h     | 1 -
>  drivers/media/platform/qcom/venus/firmware.c | 3 +--
>  3 files changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 06b78e98cebd..65a9e815e6ba 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -647,7 +647,6 @@ static const struct venus_resources sdm660_res = {
>  	.vcodec_clks_num = 1,
>  	.max_load = 1036800,
>  	.hfi_version = HFI_VERSION_3XX,
> -	.cp_start = 0,
>  	.cp_size = 0x79000000,
>  	.cp_nonpixel_start = 0x1000000,
>  	.cp_nonpixel_size = 0x28000000,
> @@ -716,7 +715,6 @@ static const struct venus_resources sdm845_res_v2 = {
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
>  	.dma_mask = GENMASK(31, 29) - 1,
> -	.cp_start = 0,
>  	.cp_size = 0x70800000,
>  	.cp_nonpixel_start = 0x1000000,
>  	.cp_nonpixel_size = 0x24800000,
> @@ -760,7 +758,6 @@ static const struct venus_resources sc7180_res = {
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
>  	.dma_mask = GENMASK(31, 29) - 1,
> -	.cp_start = 0,
>  	.cp_size = 0x70800000,
>  	.cp_nonpixel_start = 0x1000000,
>  	.cp_nonpixel_size = 0x24800000,
> @@ -869,7 +866,6 @@ static const struct venus_resources sc7280_res = {
>  	.vpu_version = VPU_VERSION_IRIS2_1,
>  	.num_vpp_pipes = 1,
>  	.dma_mask = GENMASK(31, 29) - 1,
> -	.cp_start = 0,
>  	.cp_size = 0x25800000,
>  	.cp_nonpixel_start = 0x1000000,
>  	.cp_nonpixel_size = 0x24800000,
> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> index b1d0687d294f..9dacf533c7ad 100644
> --- a/drivers/media/platform/qcom/venus/core.h
> +++ b/drivers/media/platform/qcom/venus/core.h
> @@ -80,7 +80,6 @@ struct venus_resources {
>  	const enum vpu_version vpu_version;
>  	const u8 num_vpp_pipes;
>  	const u32 max_load;
> -	const u32 cp_start;
>  	const u32 cp_size;
>  	const u32 cp_nonpixel_start;
>  	const u32 cp_nonpixel_size;
> diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
> index fe7da2b30482..16e578780be7 100644
> --- a/drivers/media/platform/qcom/venus/firmware.c
> +++ b/drivers/media/platform/qcom/venus/firmware.c
> @@ -245,7 +245,6 @@ int venus_boot(struct venus_core *core)
>  	if (core->use_tz && res->cp_size) {
>  		/*
>  		 * Clues for porting using downstream data:
> -		 * cp_start = 0
>  		 * cp_size = venus_ns/virtual-addr-pool[0] - yes, address and not size!
>  		 *   This works, as the non-secure context bank is placed
>  		 *   contiguously right after the Content Protection region.
> @@ -253,7 +252,7 @@ int venus_boot(struct venus_core *core)
>  		 * cp_nonpixel_start = venus_sec_non_pixel/virtual-addr-pool[0]
>  		 * cp_nonpixel_size = venus_sec_non_pixel/virtual-addr-pool[1]
>  		 */
> -		ret = qcom_scm_mem_protect_video_var(res->cp_start,
> +		ret = qcom_scm_mem_protect_video_var(0,
>  						     res->cp_size,
>  						     res->cp_nonpixel_start,
>  						     res->cp_nonpixel_size);
> 
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>         Fri, 09 Feb 2024 13:10:10 -0800 (PST)
> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:57 +0100
> Subject: [PATCH v2 13/20] media: venus: pm_helpers: Commonize core_power
> Precedence: bulk
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> List-Id: <linux-media.vger.kernel.org>
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> core_power_v4 called with num_resets = 0 and core->pmdomains[0] == NULL
> does exactly the same thing as core_power_v1. Unify them!
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       | 21 +++++++--------------
>  drivers/media/platform/qcom/venus/pm_helpers.c | 17 +----------------
>  drivers/media/platform/qcom/venus/pm_helpers.h |  2 +-
>  3 files changed, 9 insertions(+), 31 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 65a9e815e6ba..9bfd2a30084b 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -477,18 +477,15 @@ static void venus_core_shutdown(struct platform_device *pdev)
>  static __maybe_unused int venus_runtime_suspend(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> -	const struct venus_pm_ops *pm_ops = core->pm_ops;
>  	int ret;
>  
>  	ret = hfi_core_suspend(core);
>  	if (ret)
>  		return ret;
>  
> -	if (pm_ops->core_power) {
> -		ret = pm_ops->core_power(core, POWER_OFF);
> -		if (ret)
> -			return ret;
> -	}
> +	ret = venus_core_power(core, POWER_OFF);
> +	if (ret)
> +		return ret;
>  
>  	ret = icc_set_bw(core->cpucfg_path, 0, 0);
>  	if (ret)
> @@ -503,8 +500,7 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
>  err_video_path:
>  	icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
>  err_cpucfg_path:
> -	if (pm_ops->core_power)
> -		pm_ops->core_power(core, POWER_ON);
> +	venus_core_power(core, POWER_ON);
>  
>  	return ret;
>  }
> @@ -512,7 +508,6 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
>  static __maybe_unused int venus_runtime_resume(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> -	const struct venus_pm_ops *pm_ops = core->pm_ops;
>  	int ret;
>  
>  	ret = icc_set_bw(core->video_path, kbps_to_icc(20000), 0);
> @@ -523,11 +518,9 @@ static __maybe_unused int venus_runtime_resume(struct device *dev)
>  	if (ret)
>  		return ret;
>  
> -	if (pm_ops->core_power) {
> -		ret = pm_ops->core_power(core, POWER_ON);
> -		if (ret)
> -			return ret;
> -	}
> +	ret = venus_core_power(core, POWER_ON);
> +	if (ret)
> +		return ret;
>  
>  	return hfi_core_resume(core, false);
>  }
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 8412deb68ed1..6f6de9ef1c6c 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -322,22 +322,9 @@ static void core_put_v1(struct venus_core *core)
>  {
>  }
>  
> -static int core_power_v1(struct venus_core *core, int on)
> -{
> -	int ret = 0;
> -
> -	if (on == POWER_ON)
> -		ret = core_clks_enable(core);
> -	else
> -		core_clks_disable(core);
> -
> -	return ret;
> -}
> -
>  static const struct venus_pm_ops pm_ops_v1 = {
>  	.core_get = venus_clks_get,
>  	.core_put = core_put_v1,
> -	.core_power = core_power_v1,
>  	.load_scale = load_scale_v1,
>  };
>  
> @@ -410,7 +397,6 @@ static int venc_power_v3(struct device *dev, int on)
>  static const struct venus_pm_ops pm_ops_v3 = {
>  	.core_get = venus_clks_get,
>  	.core_put = core_put_v1,
> -	.core_power = core_power_v1,
>  	.vdec_get = vdec_get_v3,
>  	.vdec_power = vdec_power_v3,
>  	.venc_get = venc_get_v3,
> @@ -990,7 +976,7 @@ static void core_put_v4(struct venus_core *core)
>  	vcodec_domains_put(core);
>  }
>  
> -static int core_power_v4(struct venus_core *core, int on)
> +int venus_core_power(struct venus_core *core, int on)
>  {
>  	struct device *dev = core->dev;
>  	struct device *pmctrl = core->pmdomains ?
> @@ -1138,7 +1124,6 @@ static int load_scale_v4(struct venus_inst *inst)
>  static const struct venus_pm_ops pm_ops_v4 = {
>  	.core_get = core_get_v4,
>  	.core_put = core_put_v4,
> -	.core_power = core_power_v4,
>  	.vdec_get = vdec_get_v4,
>  	.vdec_put = vdec_put_v4,
>  	.vdec_power = vdec_power_v4,
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
> index a492c50c5543..77db940a265c 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.h
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.h
> @@ -12,7 +12,6 @@ struct venus_core;
>  struct venus_pm_ops {
>  	int (*core_get)(struct venus_core *core);
>  	void (*core_put)(struct venus_core *core);
> -	int (*core_power)(struct venus_core *core, int on);
>  
>  	int (*vdec_get)(struct device *dev);
>  	void (*vdec_put)(struct device *dev);
> @@ -28,6 +27,7 @@ struct venus_pm_ops {
>  };
>  
>  const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
> +int venus_core_power(struct venus_core *core, int on);
>  
>  static inline int venus_pm_load_scale(struct venus_inst *inst)
>  {
> 
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:58 +0100
> Subject: [PATCH v2 14/20] media: venus: pm_helpers: Remove pm_ops->core_put
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> Without an OPP table and with vcodec_pmdomains_num (so, v1, v3 and
> sdm845_legacy targets), core_put_v4 is a NOP, jut like core_put_v1.
> Unify them!
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       |  8 +++-----
>  drivers/media/platform/qcom/venus/pm_helpers.c | 17 +----------------
>  drivers/media/platform/qcom/venus/pm_helpers.h |  2 +-
>  3 files changed, 5 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 9bfd2a30084b..666adc5aac38 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -426,15 +426,14 @@ static int venus_probe(struct platform_device *pdev)
>  err_core_deinit:
>  	hfi_core_deinit(core, false);
>  err_core_put:
> -	if (core->pm_ops->core_put)
> -		core->pm_ops->core_put(core);
> +	vcodec_domains_put(core);
> +
>  	return ret;
>  }
>  
>  static void venus_remove(struct platform_device *pdev)
>  {
>  	struct venus_core *core = platform_get_drvdata(pdev);
> -	const struct venus_pm_ops *pm_ops = core->pm_ops;
>  	struct device *dev = core->dev;
>  	int ret;
>  
> @@ -452,8 +451,7 @@ static void venus_remove(struct platform_device *pdev)
>  	pm_runtime_put_sync(dev);
>  	pm_runtime_disable(dev);
>  
> -	if (pm_ops->core_put)
> -		pm_ops->core_put(core);
> +	vcodec_domains_put(core);
>  
>  	v4l2_device_unregister(&core->v4l2_dev);
>  
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 6f6de9ef1c6c..32f9ccfa9d8a 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -318,13 +318,8 @@ static int load_scale_v1(struct venus_inst *inst)
>  	return ret;
>  }
>  
> -static void core_put_v1(struct venus_core *core)
> -{
> -}
> -
>  static const struct venus_pm_ops pm_ops_v1 = {
>  	.core_get = venus_clks_get,
> -	.core_put = core_put_v1,
>  	.load_scale = load_scale_v1,
>  };
>  
> @@ -396,7 +391,6 @@ static int venc_power_v3(struct device *dev, int on)
>  
>  static const struct venus_pm_ops pm_ops_v3 = {
>  	.core_get = venus_clks_get,
> -	.core_put = core_put_v1,
>  	.vdec_get = vdec_get_v3,
>  	.vdec_power = vdec_power_v3,
>  	.venc_get = venc_get_v3,
> @@ -893,7 +887,7 @@ static int vcodec_domains_get(struct venus_core *core)
>  	return ret;
>  }
>  
> -static void vcodec_domains_put(struct venus_core *core)
> +void vcodec_domains_put(struct venus_core *core)
>  {
>  	dev_pm_domain_detach_list(core->pmdomains);
>  
> @@ -968,14 +962,6 @@ static int core_get_v4(struct venus_core *core)
>  	return 0;
>  }
>  
> -static void core_put_v4(struct venus_core *core)
> -{
> -	if (legacy_binding)
> -		return;
> -
> -	vcodec_domains_put(core);
> -}
> -
>  int venus_core_power(struct venus_core *core, int on)
>  {
>  	struct device *dev = core->dev;
> @@ -1123,7 +1109,6 @@ static int load_scale_v4(struct venus_inst *inst)
>  
>  static const struct venus_pm_ops pm_ops_v4 = {
>  	.core_get = core_get_v4,
> -	.core_put = core_put_v4,
>  	.vdec_get = vdec_get_v4,
>  	.vdec_put = vdec_put_v4,
>  	.vdec_power = vdec_power_v4,
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
> index 77db940a265c..3014b39aa6e3 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.h
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.h
> @@ -11,7 +11,6 @@ struct venus_core;
>  
>  struct venus_pm_ops {
>  	int (*core_get)(struct venus_core *core);
> -	void (*core_put)(struct venus_core *core);
>  
>  	int (*vdec_get)(struct device *dev);
>  	void (*vdec_put)(struct device *dev);
> @@ -28,6 +27,7 @@ struct venus_pm_ops {
>  
>  const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
>  int venus_core_power(struct venus_core *core, int on);
> +void vcodec_domains_put(struct venus_core *core);
>  
>  static inline int venus_pm_load_scale(struct venus_inst *inst)
>  {
> 
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:09:59 +0100
> Subject: [PATCH v2 15/20] media: venus: core: Define a pointer to core->res
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> To make the code more concise, define a new variable 'res' pointing to
> the abundantly referenced core->res.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 666adc5aac38..70c3c9dc49c6 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -285,6 +285,7 @@ static irqreturn_t venus_isr_thread(int irq, void *dev_id)
>  
>  static int venus_probe(struct platform_device *pdev)
>  {
> +	const struct venus_resources *res;
>  	struct device *dev = &pdev->dev;
>  	struct venus_core *core;
>  	int i, ret;
> @@ -315,9 +316,11 @@ static int venus_probe(struct platform_device *pdev)
>  	if (!core->res)
>  		return -ENODEV;
>  
> +	res = core->res;
> +
>  	mutex_init(&core->pm_lock);
>  
> -	core->pm_ops = venus_pm_get(core->res->hfi_version);
> +	core->pm_ops = venus_pm_get(res->hfi_version);
>  	if (!core->pm_ops)
>  		return -ENODEV;
>  
> @@ -325,8 +328,8 @@ static int venus_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> -	for (i = 0; i < core->res->resets_num; i++) {
> -		core->resets[i] = devm_reset_control_get_exclusive(dev, core->res->resets[i]);
> +	for (i = 0; i < res->resets_num; i++) {
> +		core->resets[i] = devm_reset_control_get_exclusive(dev, res->resets[i]);
>  		if (IS_ERR(core->resets[i]))
>  			return PTR_ERR(core->resets[i]);
>  	}
> @@ -337,7 +340,7 @@ static int venus_probe(struct platform_device *pdev)
>  			return ret;
>  	}
>  
> -	ret = dma_set_mask_and_coherent(dev, core->res->dma_mask);
> +	ret = dma_set_mask_and_coherent(dev, res->dma_mask);
>  	if (ret)
>  		goto err_core_put;
>  
> 
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:10:00 +0100
> Subject: [PATCH v2 16/20] media: venus: pm_helpers: Simplify vcodec clock
>  handling
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> Currently the infrastructure is set up for vast expandability, but
> it's far too complex for what is just 0-2 clocks. Categorize the
> clocks and simplify their getting.
> 
> One notable change is that vcodec clocks are switched to use
> devm_clk_get_optional, which will let us commonize the code further
> while leaving the burden of figuring out which SoCs need codec-specific
> clocks and which don't to the bindings checker.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       |  18 ----
>  drivers/media/platform/qcom/venus/core.h       |   9 +-
>  drivers/media/platform/qcom/venus/pm_helpers.c | 129 +++++++++++++------------
>  3 files changed, 69 insertions(+), 87 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 70c3c9dc49c6..680674dd0d68 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -581,9 +581,6 @@ static const struct venus_resources msm8996_res = {
>  	.reg_tbl_size = ARRAY_SIZE(msm8996_reg_preset),
>  	.clks = {"core", "iface", "bus", "mbus" },
>  	.clks_num = 4,
> -	.vcodec0_clks = { "core" },
> -	.vcodec1_clks = { "core" },
> -	.vcodec_clks_num = 1,
>  	.max_load = 2563200,
>  	.hfi_version = HFI_VERSION_3XX,
>  	.dma_mask = (GENMASK(31, 30) | GENMASK(28, 26) | GENMASK(24, 22)) - 1,
> @@ -636,9 +633,6 @@ static const struct venus_resources sdm660_res = {
>  	.bw_tbl_dec_size = ARRAY_SIZE(sdm660_bw_table_dec),
>  	.clks = {"core", "iface", "bus", "bus_throttle" },
>  	.clks_num = 4,
> -	.vcodec0_clks = { "vcodec0_core" },
> -	.vcodec1_clks = { "vcodec0_core" },
> -	.vcodec_clks_num = 1,
>  	.max_load = 1036800,
>  	.hfi_version = HFI_VERSION_3XX,
>  	.cp_size = 0x79000000,
> @@ -680,9 +674,6 @@ static const struct venus_resources sdm845_res = {
>  	.bw_tbl_dec_size = ARRAY_SIZE(sdm845_bw_table_dec),
>  	.clks = {"core", "iface", "bus" },
>  	.clks_num = 3,
> -	.vcodec0_clks = { "core", "bus" },
> -	.vcodec1_clks = { "core", "bus" },
> -	.vcodec_clks_num = 2,
>  	.max_load = 3110400,	/* 4096x2160@90 */
>  	.hfi_version = HFI_VERSION_4XX,
>  	.vpu_version = VPU_VERSION_AR50,
> @@ -699,9 +690,6 @@ static const struct venus_resources sdm845_res_v2 = {
>  	.bw_tbl_dec_size = ARRAY_SIZE(sdm845_bw_table_dec),
>  	.clks = {"core", "iface", "bus" },
>  	.clks_num = 3,
> -	.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
> -	.vcodec1_clks = { "vcodec1_core", "vcodec1_bus" },
> -	.vcodec_clks_num = 2,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0", "vcodec1" },
>  	.vcodec_pmdomains_num = 3,
>  	.opp_pmdomain = pd_names_cx,
> @@ -744,8 +732,6 @@ static const struct venus_resources sc7180_res = {
>  	.bw_tbl_dec_size = ARRAY_SIZE(sc7180_bw_table_dec),
>  	.clks = {"core", "iface", "bus" },
>  	.clks_num = 3,
> -	.vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
> -	.vcodec_clks_num = 2,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
>  	.opp_pmdomain = pd_names_cx,
> @@ -796,8 +782,6 @@ static const struct venus_resources sm8250_res = {
>  	.clks_num = 2,
>  	.resets = { "bus", "core" },
>  	.resets_num = 2,
> -	.vcodec0_clks = { "vcodec0_core" },
> -	.vcodec_clks_num = 1,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
>  	.opp_pmdomain = pd_names_mx,
> @@ -851,8 +835,6 @@ static const struct venus_resources sc7280_res = {
>  	.ubwc_conf = &sc7280_ubwc_config,
>  	.clks = {"core", "bus", "iface"},
>  	.clks_num = 3,
> -	.vcodec0_clks = {"vcodec_core", "vcodec_bus"},
> -	.vcodec_clks_num = 2,
>  	.vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
>  	.vcodec_pmdomains_num = 2,
>  	.opp_pmdomain = pd_names_cx,
> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> index 9dacf533c7ad..6ecaa3e38cac 100644
> --- a/drivers/media/platform/qcom/venus/core.h
> +++ b/drivers/media/platform/qcom/venus/core.h
> @@ -24,9 +24,10 @@
>  #define VDBGFW	"VenusFW  : "
>  
>  #define VIDC_CLKS_NUM_MAX		4
> -#define VIDC_VCODEC_CLKS_NUM_MAX	2
>  #define VIDC_RESETS_NUM_MAX		2
>  
> +#define MAX_NUM_VCODECS			2
> +
>  extern int venus_fw_debug;
>  
>  struct freq_tbl {
> @@ -68,8 +69,6 @@ struct venus_resources {
>  	const struct hfi_ubwc_config * const ubwc_conf;
>  	const char * const clks[VIDC_CLKS_NUM_MAX];
>  	const unsigned int clks_num;
> -	const char * const vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
> -	const char * const vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
>  	const unsigned int vcodec_clks_num;
>  	const char * const *vcodec_pmdomains;
>  	const unsigned int vcodec_pmdomains_num;
> @@ -176,8 +175,8 @@ struct venus_core {
>  	void __iomem *aon_base;
>  	int irq;
>  	struct clk *clks[VIDC_CLKS_NUM_MAX];
> -	struct clk *vcodec0_clks[VIDC_VCODEC_CLKS_NUM_MAX];
> -	struct clk *vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX];
> +	struct clk *vcodec_core_clks[MAX_NUM_VCODECS];
> +	struct clk *vcodec_bus_clks[MAX_NUM_VCODECS];
>  	struct icc_path *video_path;
>  	struct icc_path *cpucfg_path;
>  	bool has_opp_table;
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 32f9ccfa9d8a..a292c788ffba 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -110,67 +110,74 @@ static void core_clks_disable(struct venus_core *core)
>  
>  static int core_clks_set_rate(struct venus_core *core, unsigned long freq)
>  {
> -	int ret;
> +	int i, ret;
>  
>  	ret = dev_pm_opp_set_rate(core->dev, freq);
>  	if (ret)
>  		return ret;
>  
> -	ret = clk_set_rate(core->vcodec0_clks[0], freq);
> -	if (ret)
> -		return ret;
> -
> -	ret = clk_set_rate(core->vcodec1_clks[0], freq);
> -	if (ret)
> -		return ret;
> +	for (i = 0; i < MAX_NUM_VCODECS; i++) {
> +		ret = clk_set_rate(core->vcodec_core_clks[i], freq);
> +		if (ret)
> +			return ret;
> +	}
>  
>  	return 0;
>  }
>  
> -static int vcodec_clks_get(struct venus_core *core, struct device *dev,
> -			   struct clk **clks, const char * const *id)
> +static int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id)
>  {
> -	const struct venus_resources *res = core->res;
> -	unsigned int i;
> +	char buf[13] = { 0 }; /* vcodecX_core\0 */
>  
> -	for (i = 0; i < res->vcodec_clks_num; i++) {
> -		if (!id[i])
> -			continue;
> -		clks[i] = devm_clk_get(dev, id[i]);
> -		if (IS_ERR(clks[i]))
> -			return PTR_ERR(clks[i]);
> +	/* Best we can do is 2 cores */
> +	if (id > MAX_NUM_VCODECS - 1) {
> +		dev_err(dev, "Got impossible vcodec id %u\n", id);
> +		return -EINVAL;
> +	};
> +
> +	snprintf(buf, sizeof(buf), "vcodec%u_core", id);
> +
> +	/* First try the non-legacy name */
> +	core->vcodec_core_clks[id] = devm_clk_get_optional(dev, buf);
> +	if (IS_ERR(core->vcodec_core_clks[id])) {
> +		/* Try again, with the legacy name */
> +		core->vcodec_core_clks[id] = devm_clk_get_optional(dev, "core");
> +		if (IS_ERR(core->vcodec_core_clks[id]))
> +			return PTR_ERR(core->vcodec_core_clks[id]);
> +	}
> +
> +	memset(buf, 0, sizeof(buf));
> +	snprintf(buf, sizeof(buf), "vcodec%u_bus", id);
> +
> +	core->vcodec_bus_clks[id] = devm_clk_get_optional(dev, buf);
> +	if (IS_ERR(core->vcodec_bus_clks[id])) {
> +		core->vcodec_bus_clks[id] = devm_clk_get_optional(dev, "bus");
> +		if (IS_ERR(core->vcodec_bus_clks[id]))
> +			return PTR_ERR(core->vcodec_bus_clks[id]);
>  	}
>  
>  	return 0;
>  }
>  
> -static int vcodec_clks_enable(struct venus_core *core, struct clk **clks)
> +static int vcodec_clks_enable(struct venus_core *core, u8 id)
>  {
> -	const struct venus_resources *res = core->res;
> -	unsigned int i;
>  	int ret;
>  
> -	for (i = 0; i < res->vcodec_clks_num; i++) {
> -		ret = clk_prepare_enable(clks[i]);
> -		if (ret)
> -			goto err;
> -	}
> +	ret = clk_prepare_enable(core->vcodec_core_clks[id]);
> +	if (ret)
> +		return ret;
>  
> -	return 0;
> -err:
> -	while (i--)
> -		clk_disable_unprepare(clks[i]);
> +	ret = clk_prepare_enable(core->vcodec_bus_clks[id]);
> +	if (ret)
> +		clk_disable_unprepare(core->vcodec_core_clks[id]);
>  
>  	return ret;
>  }
>  
> -static void vcodec_clks_disable(struct venus_core *core, struct clk **clks)
> +static void vcodec_clks_disable(struct venus_core *core, u8 id)
>  {
> -	const struct venus_resources *res = core->res;
> -	unsigned int i = res->vcodec_clks_num;
> -
> -	while (i--)
> -		clk_disable_unprepare(clks[i]);
> +	clk_disable_unprepare(core->vcodec_bus_clks[id]);
> +	clk_disable_unprepare(core->vcodec_core_clks[id]);
>  }
>  
>  static u32 load_per_instance(struct venus_inst *inst)
> @@ -343,8 +350,7 @@ static int vdec_get_v3(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
>  
> -	return vcodec_clks_get(core, dev, core->vcodec0_clks,
> -			       core->res->vcodec0_clks);
> +	return vcodec_clks_get(core, dev, 0);
>  }
>  
>  static int vdec_power_v3(struct device *dev, int on)
> @@ -355,9 +361,9 @@ static int vdec_power_v3(struct device *dev, int on)
>  	vcodec_control_v3(core, VIDC_SESSION_TYPE_DEC, true);
>  
>  	if (on == POWER_ON)
> -		ret = vcodec_clks_enable(core, core->vcodec0_clks);
> +		ret = vcodec_clks_enable(core, 0);
>  	else
> -		vcodec_clks_disable(core, core->vcodec0_clks);
> +		vcodec_clks_disable(core, 0);
>  
>  	vcodec_control_v3(core, VIDC_SESSION_TYPE_DEC, false);
>  
> @@ -368,8 +374,7 @@ static int venc_get_v3(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
>  
> -	return vcodec_clks_get(core, dev, core->vcodec1_clks,
> -			       core->res->vcodec1_clks);
> +	return vcodec_clks_get(core, dev, 1);
>  }
>  
>  static int venc_power_v3(struct device *dev, int on)
> @@ -380,9 +385,9 @@ static int venc_power_v3(struct device *dev, int on)
>  	vcodec_control_v3(core, VIDC_SESSION_TYPE_ENC, true);
>  
>  	if (on == POWER_ON)
> -		ret = vcodec_clks_enable(core, core->vcodec1_clks);
> +		ret = vcodec_clks_enable(core, 1);
>  	else
> -		vcodec_clks_disable(core, core->vcodec1_clks);
> +		vcodec_clks_disable(core, 1);
>  
>  	vcodec_control_v3(core, VIDC_SESSION_TYPE_ENC, false);
>  
> @@ -441,7 +446,7 @@ static int poweroff_coreid(struct venus_core *core, unsigned int coreid_mask)
>  		if (ret)
>  			return ret;
>  
> -		vcodec_clks_disable(core, core->vcodec0_clks);
> +		vcodec_clks_disable(core, 0);
>  
>  		ret = vcodec_control_v4(core, VIDC_CORE_ID_1, false);
>  		if (ret)
> @@ -457,7 +462,7 @@ static int poweroff_coreid(struct venus_core *core, unsigned int coreid_mask)
>  		if (ret)
>  			return ret;
>  
> -		vcodec_clks_disable(core, core->vcodec1_clks);
> +		vcodec_clks_disable(core, 1);
>  
>  		ret = vcodec_control_v4(core, VIDC_CORE_ID_2, false);
>  		if (ret)
> @@ -484,7 +489,7 @@ static int poweron_coreid(struct venus_core *core, unsigned int coreid_mask)
>  		if (ret)
>  			return ret;
>  
> -		ret = vcodec_clks_enable(core, core->vcodec0_clks);
> +		ret = vcodec_clks_enable(core, 0);
>  		if (ret)
>  			return ret;
>  
> @@ -502,7 +507,7 @@ static int poweron_coreid(struct venus_core *core, unsigned int coreid_mask)
>  		if (ret)
>  			return ret;
>  
> -		ret = vcodec_clks_enable(core, core->vcodec1_clks);
> +		ret = vcodec_clks_enable(core, 1);
>  		if (ret)
>  			return ret;
>  
> @@ -763,20 +768,18 @@ static int vdec_get_v4(struct device *dev)
>  	if (!legacy_binding)
>  		return 0;
>  
> -	return vcodec_clks_get(core, dev, core->vcodec0_clks,
> -			       core->res->vcodec0_clks);
> +	return vcodec_clks_get(core, dev, 0);
>  }
>  
>  static void vdec_put_v4(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> -	unsigned int i;
>  
>  	if (!legacy_binding)
>  		return;
>  
> -	for (i = 0; i < core->res->vcodec_clks_num; i++)
> -		core->vcodec0_clks[i] = NULL;
> +	core->vcodec_core_clks[0] = NULL;
> +	core->vcodec_bus_clks[0] = NULL;
>  }
>  
>  static int vdec_power_v4(struct device *dev, int on)
> @@ -792,9 +795,9 @@ static int vdec_power_v4(struct device *dev, int on)
>  		return ret;
>  
>  	if (on == POWER_ON)
> -		ret = vcodec_clks_enable(core, core->vcodec0_clks);
> +		ret = vcodec_clks_enable(core, 0);
>  	else
> -		vcodec_clks_disable(core, core->vcodec0_clks);
> +		vcodec_clks_disable(core, 0);
>  
>  	vcodec_control_v4(core, VIDC_CORE_ID_1, false);
>  
> @@ -808,20 +811,18 @@ static int venc_get_v4(struct device *dev)
>  	if (!legacy_binding)
>  		return 0;
>  
> -	return vcodec_clks_get(core, dev, core->vcodec1_clks,
> -			       core->res->vcodec1_clks);
> +	return vcodec_clks_get(core, dev, 1);
>  }
>  
>  static void venc_put_v4(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> -	unsigned int i;
>  
>  	if (!legacy_binding)
>  		return;
>  
> -	for (i = 0; i < core->res->vcodec_clks_num; i++)
> -		core->vcodec1_clks[i] = NULL;
> +	core->vcodec_core_clks[1] = NULL;
> +	core->vcodec_bus_clks[1] = NULL;
>  }
>  
>  static int venc_power_v4(struct device *dev, int on)
> @@ -837,9 +838,9 @@ static int venc_power_v4(struct device *dev, int on)
>  		return ret;
>  
>  	if (on == POWER_ON)
> -		ret = vcodec_clks_enable(core, core->vcodec1_clks);
> +		ret = vcodec_clks_enable(core, 1);
>  	else
> -		vcodec_clks_disable(core, core->vcodec1_clks);
> +		vcodec_clks_disable(core, 1);
>  
>  	vcodec_control_v4(core, VIDC_CORE_ID_2, false);
>  
> @@ -934,11 +935,11 @@ static int core_get_v4(struct venus_core *core)
>  
>  	dev_info(dev, "%s legacy binding\n", legacy_binding ? "" : "non");
>  
> -	ret = vcodec_clks_get(core, dev, core->vcodec0_clks, res->vcodec0_clks);
> +	ret = vcodec_clks_get(core, dev, 0);
>  	if (ret)
>  		return ret;
>  
> -	ret = vcodec_clks_get(core, dev, core->vcodec1_clks, res->vcodec1_clks);
> +	ret = vcodec_clks_get(core, dev, 1);
>  	if (ret)
>  		return ret;
>  
> 
> From patchwork Fri Feb  9 21:10:01 2024
> Content-Type: text/plain; charset="utf-8"
> MIME-Version: 1.0
> Content-Transfer-Encoding: 7bit
> X-Patchwork-Submitter: Konrad Dybcio <[e-mail]>
> X-Patchwork-Id: 13551862
> Received: from mail-lj1-f172.google.com (mail-lj1-f172.google.com
>  [209.85.208.172])
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>         Fri, 09 Feb 2024 13:10:17 -0800 (PST)
> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:10:01 +0100
> Subject: [PATCH v2 17/20] media: venus: pm_helpers: Commonize getting
>  clocks and GenPDs
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> As has been the story with the past few commits, much of the resource
> acquisition logic is totally identical between different generations
> and there's no good reason to invent a new function for each one.
> 
> Commonize core_get() and rename it to venus_get_resources() to be more
> meaningful.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       | 8 +++-----
>  drivers/media/platform/qcom/venus/pm_helpers.c | 5 +----
>  drivers/media/platform/qcom/venus/pm_helpers.h | 3 +--
>  3 files changed, 5 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 680674dd0d68..873affe17537 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -334,11 +334,9 @@ static int venus_probe(struct platform_device *pdev)
>  			return PTR_ERR(core->resets[i]);
>  	}
>  
> -	if (core->pm_ops->core_get) {
> -		ret = core->pm_ops->core_get(core);
> -		if (ret)
> -			return ret;
> -	}
> +	ret = venus_get_resources(core);
> +	if (ret)
> +		return ret;
>  
>  	ret = dma_set_mask_and_coherent(dev, res->dma_mask);
>  	if (ret)
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index a292c788ffba..1cbcffbc29af 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -326,7 +326,6 @@ static int load_scale_v1(struct venus_inst *inst)
>  }
>  
>  static const struct venus_pm_ops pm_ops_v1 = {
> -	.core_get = venus_clks_get,
>  	.load_scale = load_scale_v1,
>  };
>  
> @@ -395,7 +394,6 @@ static int venc_power_v3(struct device *dev, int on)
>  }
>  
>  static const struct venus_pm_ops pm_ops_v3 = {
> -	.core_get = venus_clks_get,
>  	.vdec_get = vdec_get_v3,
>  	.vdec_power = vdec_power_v3,
>  	.venc_get = venc_get_v3,
> @@ -920,7 +918,7 @@ static int core_resets_reset(struct venus_core *core)
>  	return ret;
>  }
>  
> -static int core_get_v4(struct venus_core *core)
> +int venus_get_resources(struct venus_core *core)
>  {
>  	struct device *dev = core->dev;
>  	const struct venus_resources *res = core->res;
> @@ -1109,7 +1107,6 @@ static int load_scale_v4(struct venus_inst *inst)
>  }
>  
>  static const struct venus_pm_ops pm_ops_v4 = {
> -	.core_get = core_get_v4,
>  	.vdec_get = vdec_get_v4,
>  	.vdec_put = vdec_put_v4,
>  	.vdec_power = vdec_power_v4,
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
> index 3014b39aa6e3..7a55a55029f3 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.h
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.h
> @@ -10,8 +10,6 @@ struct venus_core;
>  #define POWER_OFF	0
>  
>  struct venus_pm_ops {
> -	int (*core_get)(struct venus_core *core);
> -
>  	int (*vdec_get)(struct device *dev);
>  	void (*vdec_put)(struct device *dev);
>  	int (*vdec_power)(struct device *dev, int on);
> @@ -28,6 +26,7 @@ struct venus_pm_ops {
>  const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
>  int venus_core_power(struct venus_core *core, int on);
>  void vcodec_domains_put(struct venus_core *core);
> +int venus_get_resources(struct venus_core *core);
>  
>  static inline int venus_pm_load_scale(struct venus_inst *inst)
>  {
> 
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> Date: Fri, 09 Feb 2024 22:10:02 +0100
> Subject: [PATCH v2 18/20] media: venus: pm_helpers: Commonize vdec_get()
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
> X-Mailer: b4 0.12.2
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>  i=[e-mail]; s=20230215; h=from:subject:message-id;
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> 
> This function can be very easily commonized between the supported gens.
> Do so!
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 22 ++--------------------
>  drivers/media/platform/qcom/venus/pm_helpers.h |  2 +-
>  drivers/media/platform/qcom/venus/vdec.c       |  9 +++++++--
>  3 files changed, 10 insertions(+), 23 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 1cbcffbc29af..cf0794acf5d0 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -125,7 +125,7 @@ static int core_clks_set_rate(struct venus_core *core, unsigned long freq)
>  	return 0;
>  }
>  
> -static int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id)
> +int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id)
>  {
>  	char buf[13] = { 0 }; /* vcodecX_core\0 */
>  
> @@ -158,6 +158,7 @@ static int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id)
>  
>  	return 0;
>  }
> +EXPORT_SYMBOL_GPL(vcodec_clks_get);
>  
>  static int vcodec_clks_enable(struct venus_core *core, u8 id)
>  {
> @@ -345,13 +346,6 @@ vcodec_control_v3(struct venus_core *core, u32 session_type, bool enable)
>  		writel(1, ctrl);
>  }
>  
> -static int vdec_get_v3(struct device *dev)
> -{
> -	struct venus_core *core = dev_get_drvdata(dev);
> -
> -	return vcodec_clks_get(core, dev, 0);
> -}
> -
>  static int vdec_power_v3(struct device *dev, int on)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> @@ -394,7 +388,6 @@ static int venc_power_v3(struct device *dev, int on)
>  }
>  
>  static const struct venus_pm_ops pm_ops_v3 = {
> -	.vdec_get = vdec_get_v3,
>  	.vdec_power = vdec_power_v3,
>  	.venc_get = venc_get_v3,
>  	.venc_power = venc_power_v3,
> @@ -759,16 +752,6 @@ static int coreid_power_v4(struct venus_inst *inst, int on)
>  	return ret;
>  }
>  
> -static int vdec_get_v4(struct device *dev)
> -{
> -	struct venus_core *core = dev_get_drvdata(dev);
> -
> -	if (!legacy_binding)
> -		return 0;
> -
> -	return vcodec_clks_get(core, dev, 0);
> -}
> -
>  static void vdec_put_v4(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> @@ -1107,7 +1090,6 @@ static int load_scale_v4(struct venus_inst *inst)
>  }
>  
>  static const struct venus_pm_ops pm_ops_v4 = {
> -	.vdec_get = vdec_get_v4,
>  	.vdec_put = vdec_put_v4,
>  	.vdec_power = vdec_power_v4,
>  	.venc_get = venc_get_v4,
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
> index 7a55a55029f3..4afc57dac865 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.h
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.h
> @@ -10,7 +10,6 @@ struct venus_core;
>  #define POWER_OFF	0
>  
>  struct venus_pm_ops {
> -	int (*vdec_get)(struct device *dev);
>  	void (*vdec_put)(struct device *dev);
>  	int (*vdec_power)(struct device *dev, int on);
>  
> @@ -27,6 +26,7 @@ const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
>  int venus_core_power(struct venus_core *core, int on);
>  void vcodec_domains_put(struct venus_core *core);
>  int venus_get_resources(struct venus_core *core);
> +int vcodec_clks_get(struct venus_core *core, struct device *dev, u8 id);
>  
>  static inline int venus_pm_load_scale(struct venus_inst *inst)
>  {
> diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
> index 29130a9441e7..d127311100cd 100644
> --- a/drivers/media/platform/qcom/venus/vdec.c
> +++ b/drivers/media/platform/qcom/venus/vdec.c
> @@ -1788,8 +1788,13 @@ static int vdec_probe(struct platform_device *pdev)
>  
>  	platform_set_drvdata(pdev, core);
>  
> -	if (core->pm_ops->vdec_get) {
> -		ret = core->pm_ops->vdec_get(dev);
> +	/*
> +	 * If the vcodec core clock is missing by now, it either doesn't exist
> +	 * (8916) or deprecated bindings with pre-assigned core functions and
> +	 * resources under the decoder node are in use.
> +	 */
> +	if (!core->vcodec_core_clks[0]) {
> +		ret = vcodec_clks_get(core, dev, 0);
>  		if (ret)
>  			return ret;
>  	}
> 
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>         Fri, 09 Feb 2024 13:10:20 -0800 (PST)
> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:10:03 +0100
> Subject: [PATCH v2 19/20] media: venus: pm_helpers: Commonize venc_get()
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
> X-Mailer: b4 0.12.2
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> 
> This function can be very easily commonized between the supported gens.
> Do so!
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 19 -------------------
>  drivers/media/platform/qcom/venus/pm_helpers.h |  1 -
>  drivers/media/platform/qcom/venus/venc.c       |  9 +++++++--
>  3 files changed, 7 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index cf0794acf5d0..9df8f2292c17 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -363,13 +363,6 @@ static int vdec_power_v3(struct device *dev, int on)
>  	return ret;
>  }
>  
> -static int venc_get_v3(struct device *dev)
> -{
> -	struct venus_core *core = dev_get_drvdata(dev);
> -
> -	return vcodec_clks_get(core, dev, 1);
> -}
> -
>  static int venc_power_v3(struct device *dev, int on)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> @@ -389,7 +382,6 @@ static int venc_power_v3(struct device *dev, int on)
>  
>  static const struct venus_pm_ops pm_ops_v3 = {
>  	.vdec_power = vdec_power_v3,
> -	.venc_get = venc_get_v3,
>  	.venc_power = venc_power_v3,
>  	.load_scale = load_scale_v1,
>  };
> @@ -785,16 +777,6 @@ static int vdec_power_v4(struct device *dev, int on)
>  	return ret;
>  }
>  
> -static int venc_get_v4(struct device *dev)
> -{
> -	struct venus_core *core = dev_get_drvdata(dev);
> -
> -	if (!legacy_binding)
> -		return 0;
> -
> -	return vcodec_clks_get(core, dev, 1);
> -}
> -
>  static void venc_put_v4(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> @@ -1092,7 +1074,6 @@ static int load_scale_v4(struct venus_inst *inst)
>  static const struct venus_pm_ops pm_ops_v4 = {
>  	.vdec_put = vdec_put_v4,
>  	.vdec_power = vdec_power_v4,
> -	.venc_get = venc_get_v4,
>  	.venc_put = venc_put_v4,
>  	.venc_power = venc_power_v4,
>  	.coreid_power = coreid_power_v4,
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
> index 4afc57dac865..cbf54e6c6eab 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.h
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.h
> @@ -13,7 +13,6 @@ struct venus_pm_ops {
>  	void (*vdec_put)(struct device *dev);
>  	int (*vdec_power)(struct device *dev, int on);
>  
> -	int (*venc_get)(struct device *dev);
>  	void (*venc_put)(struct device *dev);
>  	int (*venc_power)(struct device *dev, int on);
>  
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index 3ec2fb8d9fab..d17aeba74b49 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -1557,8 +1557,13 @@ static int venc_probe(struct platform_device *pdev)
>  
>  	platform_set_drvdata(pdev, core);
>  
> -	if (core->pm_ops->venc_get) {
> -		ret = core->pm_ops->venc_get(dev);
> +	/*
> +	 * If the vcodec core clock is missing by now, it either doesn't exist
> +	 * (8916) or deprecated bindings with pre-assigned core functions and
> +	 * resources under the decoder node are in use.
> +	 */
> +	if (!core->vcodec_core_clks[1]) {
> +		ret = vcodec_clks_get(core, dev, 1);
>  		if (ret)
>  			return ret;
>  	}
> 
> From patchwork Fri Feb  9 21:10:04 2024
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> From: Konrad Dybcio <[e-mail]>
> Date: Fri, 09 Feb 2024 22:10:04 +0100
> Subject: [PATCH v2 20/20] media: venus: pm_helpers: Use reset_bulk API
> Precedence: bulk
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> To: Stanimir Varbanov <[e-mail]>,
>  Vikash Garodia <[e-mail]>,
>  Bryan O'Donoghue <[e-mail]>,
>  Andy Gross <[e-mail]>, Bjorn Andersson <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  Dikshita Agarwal <[e-mail]>,
>  Philipp Zabel <[e-mail]>
> Cc: Marijn Suijten <[e-mail]>,
>  Stanimir Varbanov <[e-mail]>,
>  Mauro Carvalho Chehab <[e-mail]>,
>  [e-mail], [e-mail],
>  [e-mail], Konrad Dybcio <[e-mail]>
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> 
> All of the resets are toggled together. Use the bulk api to save on some
> code complexity.
> 
> The delay between resets is now correctly determined by the reset
> framework.
> 
> Signed-off-by: Konrad Dybcio <[e-mail]>
> Reviewed-by: Philipp Zabel <[e-mail]>
> ---
>  drivers/media/platform/qcom/venus/core.c       | 15 ++++++++++-----
>  drivers/media/platform/qcom/venus/core.h       |  4 ++--
>  drivers/media/platform/qcom/venus/pm_helpers.c | 15 +++------------
>  3 files changed, 15 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 873affe17537..ff5601a5ce77 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -328,11 +328,16 @@ static int venus_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> -	for (i = 0; i < res->resets_num; i++) {
> -		core->resets[i] = devm_reset_control_get_exclusive(dev, res->resets[i]);
> -		if (IS_ERR(core->resets[i]))
> -			return PTR_ERR(core->resets[i]);
> -	}
> +	core->resets = devm_kcalloc(dev, res->resets_num, sizeof(*core->resets), GFP_KERNEL);
> +	if (res->resets_num && !core->resets)
> +		return -ENOMEM;
> +
> +	for (i = 0; i < res->resets_num; i++)
> +		core->resets[i].id = res->resets[i];
> +
> +	ret = devm_reset_control_bulk_get_exclusive(dev, res->resets_num, core->resets);
> +	if (ret)
> +		return dev_err_probe(dev, ret, "Failed to get resets\n");
>  
>  	ret = venus_get_resources(core);
>  	if (ret)
> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> index 6ecaa3e38cac..2376b9cbdf2c 100644
> --- a/drivers/media/platform/qcom/venus/core.h
> +++ b/drivers/media/platform/qcom/venus/core.h
> @@ -130,7 +130,7 @@ struct venus_format {
>   * @pmdomains:	a pointer to a list of pmdomains
>   * @opp_dl_venus: an device-link for device OPP
>   * @opp_pmdomain: an OPP power-domain
> - * @resets: an array of reset signals
> + * @resets: a reset_control_bulk_data array of hardware reset signals
>   * @vdev_dec:	a reference to video device structure for decoder instances
>   * @vdev_enc:	a reference to video device structure for encoder instances
>   * @v4l2_dev:	a holder for v4l2 device structure
> @@ -183,7 +183,7 @@ struct venus_core {
>  	struct dev_pm_domain_list *pmdomains;
>  	struct device_link *opp_dl_venus;
>  	struct device *opp_pmdomain;
> -	struct reset_control *resets[VIDC_RESETS_NUM_MAX];
> +	struct reset_control_bulk_data *resets;
>  	struct video_device *vdev_dec;
>  	struct video_device *vdev_enc;
>  	struct v4l2_device v4l2_dev;
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 9df8f2292c17..170fb131cb1e 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -865,21 +865,12 @@ void vcodec_domains_put(struct venus_core *core)
>  static int core_resets_reset(struct venus_core *core)
>  {
>  	const struct venus_resources *res = core->res;
> -	unsigned int i;
>  	int ret;
>  
> -	for (i = 0; i < res->resets_num; i++) {
> -		ret = reset_control_assert(core->resets[i]);
> -		if (ret)
> -			goto err;
> -
> -		usleep_range(150, 250);
> -		ret = reset_control_deassert(core->resets[i]);
> -		if (ret)
> -			goto err;
> -	}
> +	ret = reset_control_bulk_reset(res->resets_num, core->resets);
> +	if (ret)
> +		dev_err(core->dev, "Failed to toggle resets: %d\n", ret);
>  
> -err:
>  	return ret;
>  }
>

Konrad Dybcio July 16, 2024, 10:49 a.m. UTC | #2

On 12.07.2024 8:07 AM, Dikshita Agarwal wrote:
> Hi All,
> 
> Please ignore this patch, didn't realize it was in my workspace when I sent
> the other series. Sorry for spam.

Hm?

Konrad

Patch

diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 502822059498..8bd0ce4ce69d 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -41,24 +41,23 @@  static int core_clks_get(struct venus_core *core)
 static int core_clks_enable(struct venus_core *core)
 {
 	const struct venus_resources *res = core->res;
-	const struct freq_tbl *freq_tbl = core->res->freq_tbl;
-	unsigned int freq_tbl_size = core->res->freq_tbl_size;
-	unsigned long freq;
+	struct dev_pm_opp *opp;
+	unsigned long freq = 0;
 	unsigned int i;
 	int ret;
 
-	if (!freq_tbl)
-		return -EINVAL;
+	if (core->has_opp_table) {
+		opp = dev_pm_opp_find_freq_ceil(core->dev, &freq);
+		if (IS_ERR(opp))
+			return PTR_ERR(opp);
+		dev_pm_opp_put(opp);
 
-	freq = freq_tbl[freq_tbl_size - 1].freq;
+		ret = dev_pm_opp_set_rate(core->dev, freq);
+		if (ret)
+			return ret;
+	}
 
 	for (i = 0; i < res->clks_num; i++) {
-		if (IS_V6(core)) {
-			ret = clk_set_rate(core->clks[i], freq);
-			if (ret)
-				goto err;
-		}
-
 		ret = clk_prepare_enable(core->clks[i]);
 		if (ret)
 			goto err;