From: Aric Cyr aric.cyr@amd.com
[ Upstream commit 82a10aff9428f1d190de55ef7971fdb84303cc7a ]
[why] If OTG is not active, waiting for blank completion will always fail and timeout resulting in unnecessary driver delays.
[how] Check that OTG is enabled before waiting for blank.
Reviewed-by: Alvin Lee Alvin.Lee2@amd.com Acked-by: Qingqing Zhuo qingqing.zhuo@amd.com Signed-off-by: Aric Cyr aric.cyr@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/core/dc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index d4a1670a54506..f07cba121d010 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1093,7 +1093,8 @@ static void phantom_pipe_blank( otg_active_height, 0);
- hws->funcs.wait_for_blank_complete(opp); + if (tg->funcs->is_tg_enabled(tg)) + hws->funcs.wait_for_blank_complete(opp); }
static void disable_dangling_plane(struct dc *dc, struct dc_state *context) @@ -1156,6 +1157,7 @@ static void disable_dangling_plane(struct dc *dc, struct dc_state *context) if (old_stream->mall_stream_config.type == SUBVP_PHANTOM) { if (tg->funcs->enable_crtc) { int main_pipe_width, main_pipe_height; + main_pipe_width = old_stream->mall_stream_config.paired_stream->dst.width; main_pipe_height = old_stream->mall_stream_config.paired_stream->dst.height; phantom_pipe_blank(dc, tg, main_pipe_width, main_pipe_height);