From 4134aaa11bd9c3e65ec07a1fcd59f57d4c58c434 Mon Sep 17 00:00:00 2001 From: Wenjing Liu Date: Tue, 17 Dec 2019 12:38:54 -0500 Subject: [PATCH] drm/amd/display: wait for test pattern after when all pipes are programmed [why] Currently we wait for test pattern after each pipe is programmed. For ODM combined scenario it will cause test pattern is shown on only half screen for 1 frame. This is not desirable. [how] No wait between odm pipe programming, only wait after all pipes are programmed. Signed-off-by: Wenjing Liu Reviewed-by: Tony Cheng Acked-by: Harry Wentland Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 75dc387bbb2b..8c257a9f4c7f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -3657,12 +3657,6 @@ static void set_crtc_test_pattern(struct dc_link *link, NULL, width, height); - /* wait for dpg to blank pixel data with test pattern */ - for (count = 0; count < 1000; count++) - if (odm_opp->funcs->dpg_is_blanked(odm_opp)) - break; - else - udelay(100); } opp->funcs->opp_set_disp_pattern_generator(opp, controller_test_pattern, -- 2.11.0