[PATCH 06/34] drm/amd/display: Change blackout time to 0 on CZ/ST

Harry Wentland harry.wentland at amd.com
Mon Feb 12 17:15:57 UTC 2018


These should only be non-0 if big hammer w/a is implemented. Currently
DC doesn't implement it, so leave them 0.

Change-Id: I8bfb01d3bbf02e08628e64e740ef3df5de4ae04a
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
index bb03a9c64d5a..6d38b8f43198 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -2033,8 +2033,8 @@ void bw_calcs_init(struct bw_calcs_dceip *bw_dceip,
 		vbios.cursor_width = 32;
 		vbios.average_compression_rate = 4;
 		vbios.number_of_request_slots_gmc_reserves_for_dmif_per_channel = 256;
-		vbios.blackout_duration = bw_int_to_fixed(18); /* us */
-		vbios.maximum_blackout_recovery_time = bw_int_to_fixed(20);
+		vbios.blackout_duration = bw_int_to_fixed(0); /* us */
+		vbios.maximum_blackout_recovery_time = bw_int_to_fixed(0);
 
 		dceip.large_cursor = false;
 		dceip.dmif_request_buffer_size = bw_int_to_fixed(768);
@@ -2366,8 +2366,8 @@ void bw_calcs_init(struct bw_calcs_dceip *bw_dceip,
 		vbios.cursor_width = 32;
 		vbios.average_compression_rate = 4;
 		vbios.number_of_request_slots_gmc_reserves_for_dmif_per_channel = 256;
-		vbios.blackout_duration = bw_int_to_fixed(18); /* us */
-		vbios.maximum_blackout_recovery_time = bw_int_to_fixed(20);
+		vbios.blackout_duration = bw_int_to_fixed(0); /* us */
+		vbios.maximum_blackout_recovery_time = bw_int_to_fixed(0);
 
 		dceip.large_cursor = false;
 		dceip.dmif_request_buffer_size = bw_int_to_fixed(768);
-- 
2.14.1



More information about the amd-gfx mailing list