[PATCH v2] drm/amdgpu: refactoring the runtime pm mode detection code

2024-04-02 Thread Ma Jun
refactor the code of runtime pm mode detection to support
amdgpu_runtime_pm =2 and 1 two cases

Signed-off-by: Ma Jun 
Reviewed-by: Yang Wang 
---
v1->v2:
- Fix logic and output info (Lijo)
- Fix code style (Kevin)
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h|  1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 75 ++
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c| 48 +-
 3 files changed, 77 insertions(+), 47 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 65c17c59c152..e0d7f4ee7e16 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1409,6 +1409,7 @@ bool amdgpu_device_supports_px(struct drm_device *dev);
 bool amdgpu_device_supports_boco(struct drm_device *dev);
 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
 int amdgpu_device_supports_baco(struct drm_device *dev);
+void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev);
 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
  struct amdgpu_device *peer_adev);
 int amdgpu_device_baco_enter(struct drm_device *dev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f830024cffca..2ea1f47df79c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -350,6 +350,81 @@ int amdgpu_device_supports_baco(struct drm_device *dev)
return amdgpu_asic_supports_baco(adev);
 }
 
+void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev)
+{
+   struct drm_device *dev;
+   int bamaco_support;
+
+   dev = adev_to_drm(adev);
+
+   adev->pm.rpm_mode = AMDGPU_RUNPM_NONE;
+   bamaco_support = amdgpu_device_supports_baco(dev);
+
+   switch (amdgpu_runtime_pm) {
+   case 2:
+   if (bamaco_support & MACO_SUPPORT) {
+   adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO;
+   dev_info(adev->dev, "Forcing BAMACO for runtime pm\n");
+   } else if (bamaco_support == BACO_SUPPORT) {
+   adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
+   dev_info(adev->dev, "Requested mode BAMACO not 
available,fallback to use BACO\n");
+   }
+   break;
+   case 1:
+   if (bamaco_support & BACO_SUPPORT) {
+   adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
+   dev_info(adev->dev, "Forcing BACO for runtime pm\n");
+   }
+   break;
+   case -1:
+   case -2:
+   if (amdgpu_device_supports_px(dev)) { /* enable PX as runtime 
mode */
+   adev->pm.rpm_mode = AMDGPU_RUNPM_PX;
+   dev_info(adev->dev, "Using ATPX for runtime pm\n");
+   } else if (amdgpu_device_supports_boco(dev)) { /* enable boco 
as runtime mode */
+   adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
+   dev_info(adev->dev, "Using BOCO for runtime pm\n");
+   } else {
+   if (!bamaco_support)
+   goto no_runtime_pm;
+
+   switch (adev->asic_type) {
+   case CHIP_VEGA20:
+   case CHIP_ARCTURUS:
+   /* BACO are not supported on vega20 and arctrus 
*/
+   break;
+   case CHIP_VEGA10:
+   /* enable BACO as runpm mode if noretry=0 */
+   if (!adev->gmc.noretry)
+   adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
+   break;
+   default:
+   /* enable BACO as runpm mode on CI+ */
+   adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
+   break;
+   }
+
+   if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO) {
+   if (bamaco_support & MACO_SUPPORT) {
+   adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO;
+   dev_info(adev->dev, "Using BAMACO for 
runtime pm\n");
+   } else {
+   dev_info(adev->dev, "Using BACO for 
runtime pm\n");
+   }
+   }
+   }
+   break;
+   case 0:
+   dev_info(adev->dev, "runtime pm is manually disabled\n");
+   break;
+   default:
+   break;
+   }
+
+no_runtime_pm:
+   if (adev->pm.rpm_mode == AMDGPU_RUNPM_NONE)
+   dev_info(adev->dev, "Runtime PM not available\n");
+}
 /**
  * amdgpu_device_supports_smart_shift - Is the device dGPU with
  * smart shift support
diff --git a/dri

Re: [PATCH v2] drm/amdgpu: refactoring the runtime pm mode detection code

2024-04-14 Thread Ma, Jun
ping...

Regards,
Ma Jun

On 4/3/2024 10:57 AM, Ma Jun wrote:
> refactor the code of runtime pm mode detection to support
> amdgpu_runtime_pm =2 and 1 two cases
> 
> Signed-off-by: Ma Jun 
> Reviewed-by: Yang Wang 
> ---
> v1->v2:
> - Fix logic and output info (Lijo)
> - Fix code style (Kevin)
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h|  1 +
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 75 ++
>  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c| 48 +-
>  3 files changed, 77 insertions(+), 47 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 65c17c59c152..e0d7f4ee7e16 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -1409,6 +1409,7 @@ bool amdgpu_device_supports_px(struct drm_device *dev);
>  bool amdgpu_device_supports_boco(struct drm_device *dev);
>  bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
>  int amdgpu_device_supports_baco(struct drm_device *dev);
> +void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev);
>  bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
> struct amdgpu_device *peer_adev);
>  int amdgpu_device_baco_enter(struct drm_device *dev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index f830024cffca..2ea1f47df79c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -350,6 +350,81 @@ int amdgpu_device_supports_baco(struct drm_device *dev)
>   return amdgpu_asic_supports_baco(adev);
>  }
>  
> +void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev)
> +{
> + struct drm_device *dev;
> + int bamaco_support;
> +
> + dev = adev_to_drm(adev);
> +
> + adev->pm.rpm_mode = AMDGPU_RUNPM_NONE;
> + bamaco_support = amdgpu_device_supports_baco(dev);
> +
> + switch (amdgpu_runtime_pm) {
> + case 2:
> + if (bamaco_support & MACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO;
> + dev_info(adev->dev, "Forcing BAMACO for runtime pm\n");
> + } else if (bamaco_support == BACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + dev_info(adev->dev, "Requested mode BAMACO not 
> available,fallback to use BACO\n");
> + }
> + break;
> + case 1:
> + if (bamaco_support & BACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + dev_info(adev->dev, "Forcing BACO for runtime pm\n");
> + }
> + break;
> + case -1:
> + case -2:
> + if (amdgpu_device_supports_px(dev)) { /* enable PX as runtime 
> mode */
> + adev->pm.rpm_mode = AMDGPU_RUNPM_PX;
> + dev_info(adev->dev, "Using ATPX for runtime pm\n");
> + } else if (amdgpu_device_supports_boco(dev)) { /* enable boco 
> as runtime mode */
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
> + dev_info(adev->dev, "Using BOCO for runtime pm\n");
> + } else {
> + if (!bamaco_support)
> + goto no_runtime_pm;
> +
> + switch (adev->asic_type) {
> + case CHIP_VEGA20:
> + case CHIP_ARCTURUS:
> + /* BACO are not supported on vega20 and arctrus 
> */
> + break;
> + case CHIP_VEGA10:
> + /* enable BACO as runpm mode if noretry=0 */
> + if (!adev->gmc.noretry)
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + break;
> + default:
> + /* enable BACO as runpm mode on CI+ */
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + break;
> + }
> +
> + if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO) {
> + if (bamaco_support & MACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO;
> + dev_info(adev->dev, "Using BAMACO for 
> runtime pm\n");
> + } else {
> + dev_info(adev->dev, "Using BACO for 
> runtime pm\n");
> + }
> + }
> + }
> + break;
> + case 0:
> + dev_info(adev->dev, "runtime pm is manually disabled\n");
> + break;
> + default:
> + break;
> + }
> +
> +no_runtime_pm:
> + if (adev->pm.rpm_mode == AMDGPU_RUNPM_NONE)
> + de

Re: [PATCH v2] drm/amdgpu: refactoring the runtime pm mode detection code

2024-04-15 Thread Lazar, Lijo



On 4/3/2024 8:27 AM, Ma Jun wrote:
> refactor the code of runtime pm mode detection to support
> amdgpu_runtime_pm =2 and 1 two cases
> 
> Signed-off-by: Ma Jun 
> Reviewed-by: Yang Wang 

Reviewed-by: Lijo Lazar 

Thanks,
Lijo

> ---
> v1->v2:
> - Fix logic and output info (Lijo)
> - Fix code style (Kevin)
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h|  1 +
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 75 ++
>  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c| 48 +-
>  3 files changed, 77 insertions(+), 47 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 65c17c59c152..e0d7f4ee7e16 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -1409,6 +1409,7 @@ bool amdgpu_device_supports_px(struct drm_device *dev);
>  bool amdgpu_device_supports_boco(struct drm_device *dev);
>  bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
>  int amdgpu_device_supports_baco(struct drm_device *dev);
> +void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev);
>  bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
> struct amdgpu_device *peer_adev);
>  int amdgpu_device_baco_enter(struct drm_device *dev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index f830024cffca..2ea1f47df79c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -350,6 +350,81 @@ int amdgpu_device_supports_baco(struct drm_device *dev)
>   return amdgpu_asic_supports_baco(adev);
>  }
>  
> +void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev)
> +{
> + struct drm_device *dev;
> + int bamaco_support;
> +
> + dev = adev_to_drm(adev);
> +
> + adev->pm.rpm_mode = AMDGPU_RUNPM_NONE;
> + bamaco_support = amdgpu_device_supports_baco(dev);
> +
> + switch (amdgpu_runtime_pm) {
> + case 2:
> + if (bamaco_support & MACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO;
> + dev_info(adev->dev, "Forcing BAMACO for runtime pm\n");
> + } else if (bamaco_support == BACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + dev_info(adev->dev, "Requested mode BAMACO not 
> available,fallback to use BACO\n");
> + }
> + break;
> + case 1:
> + if (bamaco_support & BACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + dev_info(adev->dev, "Forcing BACO for runtime pm\n");
> + }
> + break;
> + case -1:
> + case -2:
> + if (amdgpu_device_supports_px(dev)) { /* enable PX as runtime 
> mode */
> + adev->pm.rpm_mode = AMDGPU_RUNPM_PX;
> + dev_info(adev->dev, "Using ATPX for runtime pm\n");
> + } else if (amdgpu_device_supports_boco(dev)) { /* enable boco 
> as runtime mode */
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
> + dev_info(adev->dev, "Using BOCO for runtime pm\n");
> + } else {
> + if (!bamaco_support)
> + goto no_runtime_pm;
> +
> + switch (adev->asic_type) {
> + case CHIP_VEGA20:
> + case CHIP_ARCTURUS:
> + /* BACO are not supported on vega20 and arctrus 
> */
> + break;
> + case CHIP_VEGA10:
> + /* enable BACO as runpm mode if noretry=0 */
> + if (!adev->gmc.noretry)
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + break;
> + default:
> + /* enable BACO as runpm mode on CI+ */
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
> + break;
> + }
> +
> + if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO) {
> + if (bamaco_support & MACO_SUPPORT) {
> + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO;
> + dev_info(adev->dev, "Using BAMACO for 
> runtime pm\n");
> + } else {
> + dev_info(adev->dev, "Using BACO for 
> runtime pm\n");
> + }
> + }
> + }
> + break;
> + case 0:
> + dev_info(adev->dev, "runtime pm is manually disabled\n");
> + break;
> + default:
> + break;
> + }
> +
> +no_runtime_pm:
> + if (adev->pm.rpm_mode == AMDGPU_RUNPM_NONE)
>