Calculate preferred refresh rate only when preferred mode exists.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@xxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 27df3ae945be..3039faf004a8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2835,7 +2835,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
bool native_mode_found = false;
bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false;
int mode_refresh;
- int preferred_refresh;
+ int preferred_refresh = 0;
struct dc_sink *sink = NULL;
if (aconnector == NULL) {
@@ -2889,13 +2889,12 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
decide_crtc_timing_for_drm_display_mode(
&mode, preferred_mode,
dm_state ? (dm_state->scaling != RMX_OFF) : false);
+ preferred_refresh = drm_mode_vrefresh(preferred_mode);
}
if (!dm_state)
drm_mode_set_crtcinfo(&mode, 0);
- preferred_refresh = drm_mode_vrefresh(preferred_mode);
-
/*
* If scaling is enabled and refresh rate didn't change
* we copy the vic and polarities of the old timings
--
2.14.1
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