From: Wenjing Liu <[email protected]> Test pattern should be applied to hardware when exiting set test pattern function.
Signed-off-by: Wenjing Liu <[email protected]> Reviewed-by: Nikola Cornij <[email protected]> Acked-by: Harry Wentland <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) 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 0d0507cc9bf9..46f16a77e3a4 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 @@ -3612,6 +3612,7 @@ static void set_crtc_test_pattern(struct dc_link *link, struct pipe_ctx *odm_pipe; enum controller_dp_color_space controller_color_space; int opp_cnt = 1; + uint8_t count = 0; switch (test_pattern_color_space) { case DP_TEST_PATTERN_COLOR_SPACE_RGB: @@ -3647,6 +3648,12 @@ 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, @@ -3655,6 +3662,12 @@ 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 (opp->funcs->dpg_is_blanked(opp)) + break; + else + udelay(100); } } break; -- 2.24.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
