From: Nicholas Kazlauskas Date: Wed, 8 Nov 2023 15:59:00 +0000 (-0500) Subject: drm/amd/display: Update min Z8 residency time to 2100 for DCN314 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4636a211980052ca0df90265c8a3ed2d46099091;p=linux.git drm/amd/display: Update min Z8 residency time to 2100 for DCN314 [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 Acked-by: Hamza Mahfooz Signed-off-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher --- 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 677361d74a4ec..c97391edb5ff7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -871,7 +871,7 @@ 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,