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drm/amd/display: Update min Z8 residency time to 2100 for DCN314

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commit 4636a21198 upstream.

[Why]
Some panels with residency period of 2054 exhibit flickering with
Z8 at the end of the frame.

[How]
As a workaround, increase the limit to block these panels.

Cc: stable@vger.kernel.org # 6.1+
Reviewed-by: Syed Hassan <syed.hassan@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nicholas Kazlauskas 2023-11-08 10:59:00 -05:00 committed by Greg Kroah-Hartman
parent 1191c0f6e9
commit 11831e89aa
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
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@ -869,7 +869,7 @@ 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 = 2000,
.minimum_z8_residency_time = 2100,
.psr_skip_crtc_disable = true,
.replay_skip_crtc_disabled = true,
.disable_dmcu = true,