From: hersen wu <hersenxs.wu@amd.com>
Date: Wed, 22 May 2019 14:57:40 +0000 (-0400)
Subject: drm/amd/powerplay: allow dc request uclk change
X-Git-Tag: v5.4-rc1~498^2~13^2~171
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5c170a59e7d89f306dfedbada113fb09ce6db114;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 63246fa..c9d0992 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -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;