1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2424-drm-amd-powerplay-allow-dc-request-uclk-change.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2424-drm-amd-powerplay-allow-dc-request-uclk-change.patch
new file mode 100644
index 00000000..c1a5cfec
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2424-drm-amd-powerplay-allow-dc-request-uclk-change.patch
@@ -0,0 +1,35 @@
+From ccfa8c7994034ed0edafc84987b959a649dea909 Mon Sep 17 00:00:00 2001
+From: hersen wu <hersenxs.wu@amd.com>
+Date: Wed, 22 May 2019 10:57:40 -0400
+Subject: [PATCH 2424/2940] 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>
+---
+ drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+index 93714ee9f32e..7366ef36ac55 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;
+-- 
+2.17.1
+