This is a note to let you know that I've just added the patch titled
drm/i915/display: Skip Panel Replay on pipe comparison if no active planes
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-display-skip-panel-replay-on-pipe-compariso.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 52af276c25b9e7b90c8a563c931fee2931cd6a75
Author: Jouni Högander <jouni.hogander@xxxxxxxxx>
Date: Fri Jun 7 16:49:08 2024 +0300
drm/i915/display: Skip Panel Replay on pipe comparison if no active planes
[ Upstream commit 955446ed6e822b86751993bd69022d347b43a99e ]
Panel Replay is not enabled if there are no active planes. Do not compare
it on pipe comparison. Otherwise we get pipe mismatch.
Fixes: ac9ef327327b ("drm/i915/psr: Panel replay has to be enabled before link training")
Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
Reviewed-by: Animesh Manna <animesh.manna@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240607134917.1327574-5-jouni.hogander@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 0ae18b07ac87d..e53d3e900b3e4 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5318,7 +5318,9 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
* Panel replay has to be enabled before link training. PSR doesn't have
* this requirement -> check these only if using panel replay
*/
- if (current_config->has_panel_replay || pipe_config->has_panel_replay) {
+ if (current_config->active_planes &&
+ (current_config->has_panel_replay ||
+ pipe_config->has_panel_replay)) {
PIPE_CONF_CHECK_BOOL(has_psr);
PIPE_CONF_CHECK_BOOL(has_sel_update);
PIPE_CONF_CHECK_BOOL(enable_psr2_sel_fetch);
