Commit cbb4d72e authored by Yongqiang Sun's avatar Yongqiang Sun Committed by Alex Deucher
Browse files

drm/amd/display: Clear water mark change request bit before programing. 



Signed-off-by: default avatarYongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3e9ad616

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

+4 −2
Original line number Diff line number Diff line
@@ -320,6 +320,9 @@ static void program_watermarks( 
	 */

	uint32_t prog_wm_value;



	REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,

			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 0);



	/* Repeat for water mark set A, B, C and D. */

	/* clock state A */

	prog_wm_value = convert_and_clamp(watermarks->a.urgent_ns,
@@ -518,8 +521,7 @@ static void program_watermarks( 


	REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,

			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 1);

	REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,

			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 0);



	REG_UPDATE(DCHUBBUB_ARB_SAT_LEVEL,

			DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz);

	REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND,