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[v2,3/5] drm/i915/psr/cnl: Enable Y-coordinate support in source

Message ID 20180316230501.974-3-jose.souza@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Souza, Jose March 16, 2018, 11:04 p.m. UTC
From: "Souza, Jose" <jose.souza@intel.com>

For Geminilake and Cannonlake+ the Y-coordinate support must be
enabled in PSR2_CTL too.

Spec: 7713

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---

v2: This is specific to Geminilake and Cannonlake+

 drivers/gpu/drm/i915/i915_reg.h  | 2 ++
 drivers/gpu/drm/i915/intel_psr.c | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

Comments

Dhinakaran Pandiyan March 17, 2018, 12:29 a.m. UTC | #1
On Fri, 2018-03-16 at 16:04 -0700, José Roberto de Souza wrote:
> From: "Souza, Jose" <jose.souza@intel.com>

> 

> For Geminilake and Cannonlake+ the Y-coordinate support must be

> enabled in PSR2_CTL too.

> 

> Spec: 7713

> 

> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>

> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

> Signed-off-by: José Roberto de Souza <jose.souza@intel.com>

> ---

> 

> v2: This is specific to Geminilake and Cannonlake+

> 

>  drivers/gpu/drm/i915/i915_reg.h  | 2 ++

>  drivers/gpu/drm/i915/intel_psr.c | 6 ++++--

>  2 files changed, 6 insertions(+), 2 deletions(-)

> 

> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h

> index 1e000f3004cb..bac54f744913 100644

> --- a/drivers/gpu/drm/i915/i915_reg.h

> +++ b/drivers/gpu/drm/i915/i915_reg.h

> @@ -3869,6 +3869,8 @@ enum {

>  #define EDP_PSR2_CTL			_MMIO(0x6f900)

>  #define   EDP_PSR2_ENABLE		(1<<31)

>  #define   EDP_SU_TRACK_ENABLE		(1<<30)

> +#define   EDP_Y_COORDINATE_VALID	(1<<26) /* GLK and CNL+ */

> +#define   EDP_Y_COORDINATE_ENABLE	(1<<25) /* GLK and CNL+ */

>  #define   EDP_MAX_SU_DISABLE_TIME(t)	((t)<<20)

>  #define   EDP_MAX_SU_DISABLE_TIME_MASK	(0x1f<<20)

>  #define   EDP_PSR2_TP2_TIME_500		(0<<8)

> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c

> index 5593d1f3049a..c5eeb13cbcfd 100644

> --- a/drivers/gpu/drm/i915/intel_psr.c

> +++ b/drivers/gpu/drm/i915/intel_psr.c

> @@ -417,8 +417,10 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)

>  	/* FIXME: selective update is probably totally broken because it doesn't

>  	 * mesh at all with our frontbuffer tracking. And the hw alone isn't

>  	 * good enough. */

> -	val |= EDP_PSR2_ENABLE |

> -		EDP_SU_TRACK_ENABLE;

> +	val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE;

> +	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {

> +		val |= EDP_Y_COORDINATE_VALID | EDP_Y_COORDINATE_ENABLE;

> +	}


The corresponding bits for gen-9 are set in hsw_psr_enable_source.


>  

>  	if (drm_dp_dpcd_readb(&intel_dp->aux,

>  				DP_SYNCHRONIZATION_LATENCY_IN_SINK,
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1e000f3004cb..bac54f744913 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3869,6 +3869,8 @@  enum {
 #define EDP_PSR2_CTL			_MMIO(0x6f900)
 #define   EDP_PSR2_ENABLE		(1<<31)
 #define   EDP_SU_TRACK_ENABLE		(1<<30)
+#define   EDP_Y_COORDINATE_VALID	(1<<26) /* GLK and CNL+ */
+#define   EDP_Y_COORDINATE_ENABLE	(1<<25) /* GLK and CNL+ */
 #define   EDP_MAX_SU_DISABLE_TIME(t)	((t)<<20)
 #define   EDP_MAX_SU_DISABLE_TIME_MASK	(0x1f<<20)
 #define   EDP_PSR2_TP2_TIME_500		(0<<8)
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 5593d1f3049a..c5eeb13cbcfd 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -417,8 +417,10 @@  static void hsw_activate_psr2(struct intel_dp *intel_dp)
 	/* FIXME: selective update is probably totally broken because it doesn't
 	 * mesh at all with our frontbuffer tracking. And the hw alone isn't
 	 * good enough. */
-	val |= EDP_PSR2_ENABLE |
-		EDP_SU_TRACK_ENABLE;
+	val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE;
+	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
+		val |= EDP_Y_COORDINATE_VALID | EDP_Y_COORDINATE_ENABLE;
+	}
 
 	if (drm_dp_dpcd_readb(&intel_dp->aux,
 				DP_SYNCHRONIZATION_LATENCY_IN_SINK,