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authorAlex Deucher <[email protected]>2018-02-13 14:25:11 -0500
committerAlex Deucher <[email protected]>2018-02-20 15:07:38 -0500
commit5825acf5c958a6820b04e9811caeb2f5e572bcd8 (patch)
treec0a3c9d1890919930e59ce7ed446552673b2972b
parentbfad2d08e540b18cfd92694fbb388e7d202df31f (diff)
drm/amd/powerplay/vega10: allow mclk switching with no displays
If there are no displays attached, there is no reason to disable mclk switching. Fixes mclks getting set to high when there are no displays attached. Reviewed-by: Eric Huang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected]
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 2d55dabc77d4..5f9c3efb532f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3168,10 +3168,13 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
disable_mclk_switching_for_vr = PP_CAP(PHM_PlatformCaps_DisableMclkSwitchForVR);
force_mclk_high = PP_CAP(PHM_PlatformCaps_ForceMclkHigh);
- disable_mclk_switching = (info.display_count > 1) ||
- disable_mclk_switching_for_frame_lock ||
- disable_mclk_switching_for_vr ||
- force_mclk_high;
+ if (info.display_count == 0)
+ disable_mclk_switching = false;
+ else
+ disable_mclk_switching = (info.display_count > 1) ||
+ disable_mclk_switching_for_frame_lock ||
+ disable_mclk_switching_for_vr ||
+ force_mclk_high;
sclk = vega10_ps->performance_levels[0].gfx_clock;
mclk = vega10_ps->performance_levels[0].mem_clock;