drm/radeon: enable DPM by default on SUMO/PALM APUs
DPM seems to be stable on these asics and it drastically
improves performance depending on the boot clocks.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index cdeb3f8..bf71862 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1249,9 +1249,6 @@
case CHIP_JUNIPER:
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
- case CHIP_PALM:
- case CHIP_SUMO:
- case CHIP_SUMO2:
case CHIP_BARTS:
case CHIP_TURKS:
case CHIP_CAICOS:
@@ -1277,6 +1274,21 @@
else
rdev->pm.pm_method = PM_METHOD_PROFILE;
break;
+ case CHIP_PALM:
+ case CHIP_SUMO:
+ case CHIP_SUMO2:
+ /* DPM requires the RLC, RV770+ dGPU requires SMC */
+ if (!rdev->rlc_fw)
+ rdev->pm.pm_method = PM_METHOD_PROFILE;
+ else if ((rdev->family >= CHIP_RV770) &&
+ (!(rdev->flags & RADEON_IS_IGP)) &&
+ (!rdev->smc_fw))
+ rdev->pm.pm_method = PM_METHOD_PROFILE;
+ else if (radeon_dpm == 0)
+ rdev->pm.pm_method = PM_METHOD_PROFILE;
+ else
+ rdev->pm.pm_method = PM_METHOD_DPM;
+ break;
default:
/* default to profile method */
rdev->pm.pm_method = PM_METHOD_PROFILE;