| Message ID | 20240404-topic-smem_speedbin-v2-6-c84f820b7e5b@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add SMEM-based speedbin matching | expand |
On Wed, Apr 17, 2024 at 10:02:58PM +0200, Konrad Dybcio wrote: > There is no need to reinvent the wheel for simple read-match-set logic. > > Make speedbin discovery and assignment generation independent. > > This implicitly removes the bogus 0x80 / BIT(7) speed bin on A5xx, > which has no representation in hardware whatshowever. > > Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> > --- > drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 34 ---------------- > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 56 -------------------------- > drivers/gpu/drm/msm/adreno/adreno_gpu.c | 70 +++++++++++++++++++++++++++------ > drivers/gpu/drm/msm/adreno/adreno_gpu.h | 3 -- > drivers/gpu/drm/msm/msm_gpu.c | 3 -- > 5 files changed, 57 insertions(+), 109 deletions(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > index c003f970189b..eed6a2eb1731 100644 > --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c > @@ -1704,38 +1704,6 @@ static const struct adreno_gpu_funcs funcs = { > .get_timestamp = a5xx_get_timestamp, > }; > > -static void check_speed_bin(struct device *dev) > -{ > - struct nvmem_cell *cell; > - u32 val; > - > - /* > - * If the OPP table specifies a opp-supported-hw property then we have > - * to set something with dev_pm_opp_set_supported_hw() or the table > - * doesn't get populated so pick an arbitrary value that should > - * ensure the default frequencies are selected but not conflict with any > - * actual bins > - */ > - val = 0x80; > - > - cell = nvmem_cell_get(dev, "speed_bin"); > - > - if (!IS_ERR(cell)) { > - void *buf = nvmem_cell_read(cell, NULL); > - > - if (!IS_ERR(buf)) { > - u8 bin = *((u8 *) buf); > - > - val = (1 << bin); > - kfree(buf); > - } > - > - nvmem_cell_put(cell); > - } > - > - devm_pm_opp_set_supported_hw(dev, &val, 1); > -} > - > struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) > { > struct msm_drm_private *priv = dev->dev_private; > @@ -1763,8 +1731,6 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) > > a5xx_gpu->lm_leakage = 0x4E001A; > > - check_speed_bin(&pdev->dev); > - > nr_rings = 4; > > if (config->info->revn == 510) > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > index 60708c23ae4c..1242697d64a7 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > @@ -2878,55 +2878,6 @@ static bool a6xx_progress(struct msm_gpu *gpu, struct msm_ringbuffer *ring) > return progress; > } > > -static u32 fuse_to_supp_hw(const struct adreno_info *info, u32 fuse) > -{ > - if (!info->speedbins) > - return UINT_MAX; > - > - for (int i = 0; info->speedbins[i].fuse != SHRT_MAX; i++) > - if (info->speedbins[i].fuse == fuse) > - return BIT(info->speedbins[i].speedbin); > - > - return UINT_MAX; > -} > - > -static int a6xx_set_supported_hw(struct adreno_gpu *adreno_gpu, > - struct device *dev, > - const struct adreno_info *info) > -{ > - u32 supp_hw; > - u32 speedbin; > - int ret; > - > - ret = adreno_read_speedbin(adreno_gpu, dev, &speedbin); > - /* > - * -ENOENT means that the platform doesn't support speedbin which is > - * fine > - */ > - if (ret == -ENOENT) { > - return 0; > - } else if (ret) { > - dev_err_probe(dev, ret, > - "failed to read speed-bin. Some OPPs may not be supported by hardware\n"); > - return ret; > - } > - > - supp_hw = fuse_to_supp_hw(info, speedbin); > - > - if (supp_hw == UINT_MAX) { > - DRM_DEV_ERROR(dev, > - "missing support for speed-bin: %u. Some OPPs may not be supported by hardware\n", > - speedbin); > - supp_hw = BIT(0); /* Default */ > - } > - > - ret = devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); > - if (ret) > - return ret; > - > - return 0; > -} > - > static const struct adreno_gpu_funcs funcs = { > .base = { > .get_param = adreno_get_param, > @@ -3058,13 +3009,6 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) > > a6xx_llc_slices_init(pdev, a6xx_gpu, is_a7xx); > > - ret = a6xx_set_supported_hw(adreno_gpu, &pdev->dev, config->info); > - if (ret) { > - a6xx_llc_slices_destroy(a6xx_gpu); > - kfree(a6xx_gpu); > - return ERR_PTR(ret); > - } > - > if (is_a7xx) > ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 1); > else if (adreno_has_gmu_wrapper(adreno_gpu)) > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c > index 58fd70140685..08b2f08e2a14 100644 > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c > @@ -1060,8 +1060,8 @@ void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *adreno_ocmem) > adreno_ocmem->hdl); > } > > -int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, > - struct device *dev, u32 *fuse) > +static int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, > + struct device *dev, u32 *fuse) > { > u32 fcode; > int ret; > @@ -1095,6 +1095,46 @@ int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, > return 0; > } > > +#define ADRENO_SPEEDBIN_FUSE_NODATA 0xFFFF /* Made-up large value, expected by mesa */ > +static int adreno_set_speedbin(struct adreno_gpu *adreno_gpu, struct device *dev) > +{ > + const struct adreno_info *info = adreno_gpu->info; > + u32 fuse = ADRENO_SPEEDBIN_FUSE_NODATA; > + u32 supp_hw = UINT_MAX; > + int ret; > + > + /* No speedbins defined for this GPU SKU => allow all defined OPPs */ > + if (!info->speedbins) { > + adreno_gpu->speedbin = ADRENO_SPEEDBIN_FUSE_NODATA; > + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); BIT(0) > + } > + > + /* > + * If a real error (not counting older devicetrees having no nvmem references) > + * occurs when trying to get the fuse value, bail out. > + */ > + ret = adreno_read_speedbin(adreno_gpu, dev, &fuse); > + if (ret) { > + return ret; > + } else if (fuse == ADRENO_SPEEDBIN_FUSE_NODATA) { > + /* The info struct has speedbin data, but the DT is too old => allow all OPPs */ Missing assignment to adeno_gpu->speedbin ? Or is it fine? > + DRM_DEV_INFO(dev, "No GPU speed bin fuse, please update your device tree\n"); > + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); BIT(0) maybe #define it? > + } > + > + adreno_gpu->speedbin = fuse; > + > + /* Traverse the known speedbins */ > + for (int i = 0; info->speedbins[i].fuse != SHRT_MAX; i++) { > + if (info->speedbins[i].fuse == fuse) { > + supp_hw = BIT(info->speedbins[i].speedbin); > + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); > + } > + } > + > + return dev_err_probe(dev, -EINVAL, "Unknown speed bin fuse value: 0x%x\n", fuse); > +} > + > int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, > struct adreno_gpu *adreno_gpu, > const struct adreno_gpu_funcs *funcs, int nr_rings) > @@ -1104,7 +1144,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, > struct msm_gpu_config adreno_gpu_config = { 0 }; > struct msm_gpu *gpu = &adreno_gpu->base; > const char *gpu_name; > - u32 speedbin; > int ret; > > adreno_gpu->funcs = funcs; > @@ -1131,29 +1170,34 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, > devm_pm_opp_set_clkname(dev, "core"); > } > > - if (adreno_read_speedbin(adreno_gpu, dev, &speedbin) || !speedbin) > - speedbin = 0xffff; > - adreno_gpu->speedbin = speedbin; > - > gpu_name = devm_kasprintf(dev, GFP_KERNEL, "%"ADRENO_CHIPID_FMT, > ADRENO_CHIPID_ARGS(config->chip_id)); > if (!gpu_name) > return -ENOMEM; > > adreno_gpu_config.ioname = "kgsl_3d0_reg_memory"; > - > adreno_gpu_config.nr_rings = nr_rings; > > + pm_runtime_set_autosuspend_delay(dev, adreno_gpu->info->inactive_period); > + pm_runtime_use_autosuspend(dev); > + > + ret = msm_gpu_init(drm, pdev, &adreno_gpu->base, &funcs->base, > + gpu_name, &adreno_gpu_config); > + if (ret) > + return ret; > + > + ret = adreno_set_speedbin(adreno_gpu, dev); > + if (ret) > + return ret; > + > ret = adreno_get_pwrlevels(dev, gpu); > if (ret) > return ret; > > - pm_runtime_set_autosuspend_delay(dev, > - adreno_gpu->info->inactive_period); > - pm_runtime_use_autosuspend(dev); > + /* Devfreq can only be initialized after OPP */ > + msm_devfreq_init(gpu); > > - return msm_gpu_init(drm, pdev, &adreno_gpu->base, &funcs->base, > - gpu_name, &adreno_gpu_config); > + return 0; > } > > void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h > index 8f2b70eaf6ad..30e8b9919adb 100644 > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h > @@ -524,9 +524,6 @@ int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags, > struct adreno_smmu_fault_info *info, const char *block, > u32 scratch[4]); > > -int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, > - struct device *dev, u32 *speedbin); > - > /* > * For a5xx and a6xx targets load the zap shader that is used to pull the GPU > * out of secure mode > diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c > index 655002b21b0d..8504eaab8ef6 100644 > --- a/drivers/gpu/drm/msm/msm_gpu.c > +++ b/drivers/gpu/drm/msm/msm_gpu.c > @@ -932,9 +932,6 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev, > gpu->pdev = pdev; > platform_set_drvdata(pdev, &gpu->adreno_smmu); > > - msm_devfreq_init(gpu); > - > - > gpu->aspace = gpu->funcs->create_address_space(gpu, pdev); > > if (gpu->aspace == NULL) > > -- > 2.44.0 >
On 18.04.2024 1:49 AM, Dmitry Baryshkov wrote: > On Wed, Apr 17, 2024 at 10:02:58PM +0200, Konrad Dybcio wrote: >> There is no need to reinvent the wheel for simple read-match-set logic. >> >> Make speedbin discovery and assignment generation independent. >> >> This implicitly removes the bogus 0x80 / BIT(7) speed bin on A5xx, >> which has no representation in hardware whatshowever. >> >> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> >> --- [...] >> + /* No speedbins defined for this GPU SKU => allow all defined OPPs */ >> + if (!info->speedbins) { >> + adreno_gpu->speedbin = ADRENO_SPEEDBIN_FUSE_NODATA; >> + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); > > BIT(0) You mean for &supp_hw, or "1"? 1 is the "count" parameter, supp_hw is a "u32 supported_hw[count]" > >> + } >> + >> + /* >> + * If a real error (not counting older devicetrees having no nvmem references) >> + * occurs when trying to get the fuse value, bail out. >> + */ >> + ret = adreno_read_speedbin(adreno_gpu, dev, &fuse); >> + if (ret) { >> + return ret; >> + } else if (fuse == ADRENO_SPEEDBIN_FUSE_NODATA) { >> + /* The info struct has speedbin data, but the DT is too old => allow all OPPs */ > > Missing assignment to adeno_gpu->speedbin ? Or is it fine? Good catch. Only mesa (and I suppose you :D) read this value. > >> + DRM_DEV_INFO(dev, "No GPU speed bin fuse, please update your device tree\n"); >> + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); > > BIT(0) > maybe #define it? (ditto) Konrad
On Thu, Apr 18, 2024 at 11:57:35AM +0200, Konrad Dybcio wrote: > On 18.04.2024 1:49 AM, Dmitry Baryshkov wrote: > > On Wed, Apr 17, 2024 at 10:02:58PM +0200, Konrad Dybcio wrote: > >> There is no need to reinvent the wheel for simple read-match-set logic. > >> > >> Make speedbin discovery and assignment generation independent. > >> > >> This implicitly removes the bogus 0x80 / BIT(7) speed bin on A5xx, > >> which has no representation in hardware whatshowever. > >> > >> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> > >> --- > > [...] > > >> + /* No speedbins defined for this GPU SKU => allow all defined OPPs */ > >> + if (!info->speedbins) { > >> + adreno_gpu->speedbin = ADRENO_SPEEDBIN_FUSE_NODATA; > >> + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); > > > > BIT(0) > > You mean for &supp_hw, or "1"? > > 1 is the "count" parameter, supp_hw is a "u32 supported_hw[count]" I see. It confused me. This way it's getting set to UINT_MAX, which will match against any non-zero opp-supported-hw. Ack. > > > > >> + } > >> + > >> + /* > >> + * If a real error (not counting older devicetrees having no nvmem references) > >> + * occurs when trying to get the fuse value, bail out. > >> + */ > >> + ret = adreno_read_speedbin(adreno_gpu, dev, &fuse); > >> + if (ret) { > >> + return ret; > >> + } else if (fuse == ADRENO_SPEEDBIN_FUSE_NODATA) { > >> + /* The info struct has speedbin data, but the DT is too old => allow all OPPs */ > > > > Missing assignment to adeno_gpu->speedbin ? Or is it fine? > > Good catch. Only mesa (and I suppose you :D) read this value. > > > > >> + DRM_DEV_INFO(dev, "No GPU speed bin fuse, please update your device tree\n"); > >> + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); > > > > BIT(0) > > maybe #define it? > > (ditto) > > Konrad
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index c003f970189b..eed6a2eb1731 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -1704,38 +1704,6 @@ static const struct adreno_gpu_funcs funcs = { .get_timestamp = a5xx_get_timestamp, }; -static void check_speed_bin(struct device *dev) -{ - struct nvmem_cell *cell; - u32 val; - - /* - * If the OPP table specifies a opp-supported-hw property then we have - * to set something with dev_pm_opp_set_supported_hw() or the table - * doesn't get populated so pick an arbitrary value that should - * ensure the default frequencies are selected but not conflict with any - * actual bins - */ - val = 0x80; - - cell = nvmem_cell_get(dev, "speed_bin"); - - if (!IS_ERR(cell)) { - void *buf = nvmem_cell_read(cell, NULL); - - if (!IS_ERR(buf)) { - u8 bin = *((u8 *) buf); - - val = (1 << bin); - kfree(buf); - } - - nvmem_cell_put(cell); - } - - devm_pm_opp_set_supported_hw(dev, &val, 1); -} - struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; @@ -1763,8 +1731,6 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) a5xx_gpu->lm_leakage = 0x4E001A; - check_speed_bin(&pdev->dev); - nr_rings = 4; if (config->info->revn == 510) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 60708c23ae4c..1242697d64a7 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -2878,55 +2878,6 @@ static bool a6xx_progress(struct msm_gpu *gpu, struct msm_ringbuffer *ring) return progress; } -static u32 fuse_to_supp_hw(const struct adreno_info *info, u32 fuse) -{ - if (!info->speedbins) - return UINT_MAX; - - for (int i = 0; info->speedbins[i].fuse != SHRT_MAX; i++) - if (info->speedbins[i].fuse == fuse) - return BIT(info->speedbins[i].speedbin); - - return UINT_MAX; -} - -static int a6xx_set_supported_hw(struct adreno_gpu *adreno_gpu, - struct device *dev, - const struct adreno_info *info) -{ - u32 supp_hw; - u32 speedbin; - int ret; - - ret = adreno_read_speedbin(adreno_gpu, dev, &speedbin); - /* - * -ENOENT means that the platform doesn't support speedbin which is - * fine - */ - if (ret == -ENOENT) { - return 0; - } else if (ret) { - dev_err_probe(dev, ret, - "failed to read speed-bin. Some OPPs may not be supported by hardware\n"); - return ret; - } - - supp_hw = fuse_to_supp_hw(info, speedbin); - - if (supp_hw == UINT_MAX) { - DRM_DEV_ERROR(dev, - "missing support for speed-bin: %u. Some OPPs may not be supported by hardware\n", - speedbin); - supp_hw = BIT(0); /* Default */ - } - - ret = devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); - if (ret) - return ret; - - return 0; -} - static const struct adreno_gpu_funcs funcs = { .base = { .get_param = adreno_get_param, @@ -3058,13 +3009,6 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) a6xx_llc_slices_init(pdev, a6xx_gpu, is_a7xx); - ret = a6xx_set_supported_hw(adreno_gpu, &pdev->dev, config->info); - if (ret) { - a6xx_llc_slices_destroy(a6xx_gpu); - kfree(a6xx_gpu); - return ERR_PTR(ret); - } - if (is_a7xx) ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 1); else if (adreno_has_gmu_wrapper(adreno_gpu)) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 58fd70140685..08b2f08e2a14 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -1060,8 +1060,8 @@ void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *adreno_ocmem) adreno_ocmem->hdl); } -int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, - struct device *dev, u32 *fuse) +static int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, + struct device *dev, u32 *fuse) { u32 fcode; int ret; @@ -1095,6 +1095,46 @@ int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, return 0; } +#define ADRENO_SPEEDBIN_FUSE_NODATA 0xFFFF /* Made-up large value, expected by mesa */ +static int adreno_set_speedbin(struct adreno_gpu *adreno_gpu, struct device *dev) +{ + const struct adreno_info *info = adreno_gpu->info; + u32 fuse = ADRENO_SPEEDBIN_FUSE_NODATA; + u32 supp_hw = UINT_MAX; + int ret; + + /* No speedbins defined for this GPU SKU => allow all defined OPPs */ + if (!info->speedbins) { + adreno_gpu->speedbin = ADRENO_SPEEDBIN_FUSE_NODATA; + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); + } + + /* + * If a real error (not counting older devicetrees having no nvmem references) + * occurs when trying to get the fuse value, bail out. + */ + ret = adreno_read_speedbin(adreno_gpu, dev, &fuse); + if (ret) { + return ret; + } else if (fuse == ADRENO_SPEEDBIN_FUSE_NODATA) { + /* The info struct has speedbin data, but the DT is too old => allow all OPPs */ + DRM_DEV_INFO(dev, "No GPU speed bin fuse, please update your device tree\n"); + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); + } + + adreno_gpu->speedbin = fuse; + + /* Traverse the known speedbins */ + for (int i = 0; info->speedbins[i].fuse != SHRT_MAX; i++) { + if (info->speedbins[i].fuse == fuse) { + supp_hw = BIT(info->speedbins[i].speedbin); + return devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); + } + } + + return dev_err_probe(dev, -EINVAL, "Unknown speed bin fuse value: 0x%x\n", fuse); +} + int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, struct adreno_gpu *adreno_gpu, const struct adreno_gpu_funcs *funcs, int nr_rings) @@ -1104,7 +1144,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, struct msm_gpu_config adreno_gpu_config = { 0 }; struct msm_gpu *gpu = &adreno_gpu->base; const char *gpu_name; - u32 speedbin; int ret; adreno_gpu->funcs = funcs; @@ -1131,29 +1170,34 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, devm_pm_opp_set_clkname(dev, "core"); } - if (adreno_read_speedbin(adreno_gpu, dev, &speedbin) || !speedbin) - speedbin = 0xffff; - adreno_gpu->speedbin = speedbin; - gpu_name = devm_kasprintf(dev, GFP_KERNEL, "%"ADRENO_CHIPID_FMT, ADRENO_CHIPID_ARGS(config->chip_id)); if (!gpu_name) return -ENOMEM; adreno_gpu_config.ioname = "kgsl_3d0_reg_memory"; - adreno_gpu_config.nr_rings = nr_rings; + pm_runtime_set_autosuspend_delay(dev, adreno_gpu->info->inactive_period); + pm_runtime_use_autosuspend(dev); + + ret = msm_gpu_init(drm, pdev, &adreno_gpu->base, &funcs->base, + gpu_name, &adreno_gpu_config); + if (ret) + return ret; + + ret = adreno_set_speedbin(adreno_gpu, dev); + if (ret) + return ret; + ret = adreno_get_pwrlevels(dev, gpu); if (ret) return ret; - pm_runtime_set_autosuspend_delay(dev, - adreno_gpu->info->inactive_period); - pm_runtime_use_autosuspend(dev); + /* Devfreq can only be initialized after OPP */ + msm_devfreq_init(gpu); - return msm_gpu_init(drm, pdev, &adreno_gpu->base, &funcs->base, - gpu_name, &adreno_gpu_config); + return 0; } void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index 8f2b70eaf6ad..30e8b9919adb 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -524,9 +524,6 @@ int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags, struct adreno_smmu_fault_info *info, const char *block, u32 scratch[4]); -int adreno_read_speedbin(struct adreno_gpu *adreno_gpu, - struct device *dev, u32 *speedbin); - /* * For a5xx and a6xx targets load the zap shader that is used to pull the GPU * out of secure mode diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 655002b21b0d..8504eaab8ef6 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -932,9 +932,6 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev, gpu->pdev = pdev; platform_set_drvdata(pdev, &gpu->adreno_smmu); - msm_devfreq_init(gpu); - - gpu->aspace = gpu->funcs->create_address_space(gpu, pdev); if (gpu->aspace == NULL)
There is no need to reinvent the wheel for simple read-match-set logic. Make speedbin discovery and assignment generation independent. This implicitly removes the bogus 0x80 / BIT(7) speed bin on A5xx, which has no representation in hardware whatshowever. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 34 ---------------- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 56 -------------------------- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 70 +++++++++++++++++++++++++++------ drivers/gpu/drm/msm/adreno/adreno_gpu.h | 3 -- drivers/gpu/drm/msm/msm_gpu.c | 3 -- 5 files changed, 57 insertions(+), 109 deletions(-)