From: Stylon Wang <[email protected]>

[Why]
Regression was introduced where setting max bpc property has no effect
on the atomic check and final commit. It has the same effect as max bpc
being stuck at 8.

[How]
Correctly propagate max bpc with the new connector state.

Signed-off-by: Stylon Wang <[email protected]>
Reviewed-by: Nicholas Kazlauskas <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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 e35fd2225972..b3ceba072643 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5135,7 +5135,8 @@ create_validate_stream_for_sink(struct 
amdgpu_dm_connector *aconnector,
        struct drm_connector *connector = &aconnector->base;
        struct amdgpu_device *adev = connector->dev->dev_private;
        struct dc_stream_state *stream;
-       int requested_bpc = connector->state ? 
connector->state->max_requested_bpc : 8;
+       const struct drm_connector_state *drm_state = dm_state ? 
&dm_state->base : NULL;
+       int requested_bpc = drm_state ? drm_state->max_requested_bpc : 8;
        enum dc_status dc_result = DC_OK;
 
        do {
-- 
2.27.0

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