refactor the code of runtime pm mode detection to support
amdgpu_runtime_pm =2 and 1 two cases
Signed-off-by: Ma Jun <Jun.Ma2@xxxxxxx>
Reviewed-by: Yang Wang <kevinyang.wang@xxxxxxx>
---
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/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 5d1b084eb631..924baf58e322 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -133,7 +133,6 @@ void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
{
struct drm_device *dev;
- int bamaco_support = 0;
int r, acpi_status;
dev = adev_to_drm(adev);
@@ -150,52 +149,7 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
goto out;
}
- adev->pm.rpm_mode = AMDGPU_RUNPM_NONE;
- if (amdgpu_device_supports_px(dev) &&
- (amdgpu_runtime_pm != 0)) { /* 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) &&
- (amdgpu_runtime_pm != 0)) { /* enable boco as runtime mode */
- adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
- dev_info(adev->dev, "Using BOCO for runtime pm\n");
- } else if (amdgpu_runtime_pm != 0) {
- bamaco_support = amdgpu_device_supports_baco(dev);
-
- if (!bamaco_support)
- goto no_runtime_pm;
-
- switch (adev->asic_type) {
- case CHIP_VEGA20:
- case CHIP_ARCTURUS:
- /* enable BACO as runpm mode if runpm=1 */
- if (amdgpu_runtime_pm > 0)
- adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
- 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");
- }
- }
- }
-
-no_runtime_pm:
- if (adev->pm.rpm_mode == AMDGPU_RUNPM_NONE)
- dev_info(adev->dev, "NO pm mode for runtime pm\n");
+ amdgpu_device_detect_runtime_pm_mode(adev);
/* Call ACPI methods: require modeset init
* but failure is not fatal
--
2.34.1
