The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x d642b0100bf8c95e88e8396b7191b35807dabb4c # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024012750-eastbound-excitable-8ee9@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: d642b0100bf8 ("drm/amd/display: Update min Z8 residency time to 2100 for DCN314") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From d642b0100bf8c95e88e8396b7191b35807dabb4c Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> Date: Wed, 8 Nov 2023 10:59:00 -0500 Subject: [PATCH] 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@xxxxxxxxxxxxxxx # 6.1+ Reviewed-by: Syed Hassan <syed.hassan@xxxxxxx> Acked-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c index 677361d74a4e..c97391edb5ff 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/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,
