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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>
This commit is contained in:
Alex Deucher 2013-10-23 17:11:06 -04:00
parent 033a37df15
commit 5a16f7614e
1 changed files with 15 additions and 3 deletions
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18
drivers/gpu/drm/radeon/radeon_pm.c
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@ -1249,9 +1249,6 @@ int radeon_pm_init(struct radeon_device *rdev)
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 @@ int radeon_pm_init(struct radeon_device *rdev)
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;