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authorWenjing Liu <[email protected]>2019-06-11 18:18:36 -0400
committerAlex Deucher <[email protected]>2019-07-18 14:17:19 -0500
commitdd5d9348da02dd83dbb235e55aa0acb3f48ccc95 (patch)
tree832fafb2a9f8118669e32d342ff09cdb801a7c0d
parent7f6964c5a05e6593bda3a4bcb5581d0b72fc71cb (diff)
drm/amd/display: wait for the whole frame after global unlock
[why] The current code will not wait for the entire frame after global unlock. This causes dsc dynamic target bpp update corruption when there is a surface update immediately happens after this. [how] Wait for the entire whole frame after unlock before continuing the rest of stream and surface update. Signed-off-by: Wenjing Liu <[email protected]> Reviewed-by: Jun Lei <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 710727e5d0f8..e5e78aa930a6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1242,6 +1242,8 @@ void dcn20_pipe_control_lock_global(
CRTC_STATE_VACTIVE);
pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg,
CRTC_STATE_VBLANK);
+ pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg,
+ CRTC_STATE_VACTIVE);
pipe->stream_res.tg->funcs->lock_doublebuffer_disable(
pipe->stream_res.tg);
}