This patch can fix MultiGPU-Display blank
out with 1 IGPU-4k display and 2 DGPU-two 4K
displays.
Change-Id: I41208feb6b275d9e8b45e9ef129e19c9739107a4
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index fa9d161..977fcdf 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1425,9 +1425,14 @@ static int pp_get_display_mode_validation_clocks(void *handle,
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DynamicPatchPowerState))
ret = phm_get_max_high_clocks(hwmgr, clocks);
-
mutex_unlock(&pp_handle->pp_lock);
- return ret;
+
+ if (ret) {
+ clocks->memory_max_clock = pp_dpm_get_mclk(handle, false);
+ clocks->engine_max_clock = pp_dpm_get_sclk(handle, false);
+ }
+
+ return 0;
}
const struct amd_pm_funcs pp_dpm_funcs = {
--
1.9.1
