drm/radeon/kms: add dpm support for rv6xx (v3)
This adds dpm support for rv6xx asics. This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching
Set radeon.dpm=1 to enable.
v2: remove duplicate line
v3: fix thermal interrupt check noticed by Jerome
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 853a8a2..17f2897 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1030,6 +1030,11 @@
{
/* enable dpm on rv6xx+ */
switch (rdev->family) {
+ case CHIP_RV610:
+ case CHIP_RV630:
+ case CHIP_RV620:
+ case CHIP_RV635:
+ case CHIP_RV670:
case CHIP_RS780:
case CHIP_RS880:
if (radeon_dpm == 1)
@@ -1114,6 +1119,7 @@
if (rdev->pm.num_power_states < 2)
return;
+ INIT_WORK(&rdev->pm.dpm.thermal.work, radeon_dpm_thermal_work_handler);
mutex_lock(&rdev->pm.mutex);
rdev->pm.active_crtcs = 0;