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drm/amd/powerplay: allow dc request uclk change 

when dc set mode or color format in frame buffer
change, it may request clock changes, like dispclk,
dcfclk, uclk. after smu get clock requests, smu
will make decision.

Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
hersen wu 2019-05-22 10:57:40 -04:00 committed by Alex Deucher
parent ccbf007b47
commit 5c170a59e7
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
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@ -1277,8 +1277,9 @@ smu_v11_0_display_clock_voltage_request(struct smu_context *smu,
if (!smu->pm_enabled)
return -EINVAL;
if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) ||
smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
switch (clk_type) {
case amd_pp_dcef_clock:
clk_select = SMU_DCEFCLK;