[PATCH 06/33] drm/amd/display: Update minimum stutter residency for DCN314 Z8

Qingqing Zhuo qingqing.zhuo at amd.com
Fri Mar 3 15:39:55 UTC 2023


From: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>

[Why]
Block periods that are too short as they have the potential to
currently cause hangs in other firmware components on the system.

[How]
Update the threshold, mostly targeting a block of 4k and downscaling.

Reviewed-by: Jun Lei <Jun.Lei at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index 8fc89aeb86d4..f9dfbc7407ee 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -887,7 +887,7 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_z10 = false,
 	.enable_z9_disable_interface = true,
-	.minimum_z8_residency_time = 1000,
+	.minimum_z8_residency_time = 3080,
 	.psr_skip_crtc_disable = true,
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-- 
2.34.1



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