drm/radeon/si_dpm: Limit clocks on HD86xx part
Limit clocks on a specific HD86xx part to avoid
crashes (while awaiting an appropriate PP fix).
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 89bdf20..e22b111 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3021,6 +3021,12 @@
max_sclk = 75000;
max_mclk = 80000;
}
+ /* limit clocks on HD8600 series */
+ if (rdev->pdev->device == 0x6660 &&
+ rdev->pdev->revision == 0x83) {
+ max_sclk = 75000;
+ max_mclk = 80000;
+ }
if (rps->vce_active) {
rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;