This is a note to let you know that I've just added the patch titled
drm/amd/display: Add missing pflip irq for dcn2.0
to the 5.4-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-amd-display-add-missing-pflip-irq-for-dcn2.0.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 728321e53045d2668bf2b8627a8d61bc2c480d3b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Fri, 13 Nov 2020 02:21:19 -0500
Subject: drm/amd/display: Add missing pflip irq for dcn2.0
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 728321e53045d2668bf2b8627a8d61bc2c480d3b upstream.
If we have more than 4 displays we will run
into dummy irq calls or flip timout issues.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c
@@ -299,8 +299,8 @@ irq_source_info_dcn20[DAL_IRQ_SOURCES_NU
pflip_int_entry(1),
pflip_int_entry(2),
pflip_int_entry(3),
- [DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(),
- [DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(),
+ pflip_int_entry(4),
+ pflip_int_entry(5),
[DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
gpio_pad_int_entry(0),
gpio_pad_int_entry(1),
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-5.4/drm-amd-display-add-missing-pflip-irq-for-dcn2.0.patch
