Commit ed581a0a authored by Wenjing Liu's avatar Wenjing Liu Committed by Alex Deucher
Browse files

drm/amd/display: wait for update when setting dpg test pattern 



Test pattern should be applied to hardware when exiting set test pattern
function.

Signed-off-by: default avatarWenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: default avatarNikola Cornij <Nikola.Cornij@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 95e0b96d

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

+13 −0
Original line number Diff line number Diff line
@@ -3611,6 +3611,7 @@ 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:
@@ -3646,6 +3647,12 @@ 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,
@@ -3654,6 +3661,12 @@ 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;

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