The patch below does not apply to the 6.1-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(a)vger.kernel.org>.
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-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x 1c22d6ce53280763bcb4cb24d4f71111fff4a526
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024012735-vaguely-choking-d13a@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..
Possible dependencies:
1c22d6ce5328 ("drm/amd/display: Include udelay when waiting for INBOX0 ACK")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 1c22d6ce53280763bcb4cb24d4f71111fff4a526 Mon Sep 17 00:00:00 2001
From: Alvin Lee <alvin.lee2(a)amd.com>
Date: Mon, 6 Nov 2023 11:20:15 -0500
Subject: [PATCH] drm/amd/display: Include udelay when waiting for INBOX0 ACK
When waiting for the ACK for INBOX0 message,
we have to ensure to include the udelay
for proper wait time
Cc: stable(a)vger.kernel.org # 6.1+
Reviewed-by: Samson Tam <samson.tam(a)amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz(a)amd.com>
Signed-off-by: Alvin Lee <alvin.lee2(a)amd.com>
Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com>
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 22fc4ba96def..38360adc53d9 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -1077,6 +1077,7 @@ enum dmub_status dmub_srv_wait_for_inbox0_ack(struct dmub_srv *dmub, uint32_t ti
ack = dmub->hw_funcs.read_inbox0_ack_register(dmub);
if (ack)
return DMUB_STATUS_OK;
+ udelay(1);
}
return DMUB_STATUS_TIMEOUT;
}
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(a)vger.kernel.org>.
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 1c22d6ce53280763bcb4cb24d4f71111fff4a526
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024012735-arming-childless-3574@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^..
Possible dependencies:
1c22d6ce5328 ("drm/amd/display: Include udelay when waiting for INBOX0 ACK")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 1c22d6ce53280763bcb4cb24d4f71111fff4a526 Mon Sep 17 00:00:00 2001
From: Alvin Lee <alvin.lee2(a)amd.com>
Date: Mon, 6 Nov 2023 11:20:15 -0500
Subject: [PATCH] drm/amd/display: Include udelay when waiting for INBOX0 ACK
When waiting for the ACK for INBOX0 message,
we have to ensure to include the udelay
for proper wait time
Cc: stable(a)vger.kernel.org # 6.1+
Reviewed-by: Samson Tam <samson.tam(a)amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz(a)amd.com>
Signed-off-by: Alvin Lee <alvin.lee2(a)amd.com>
Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com>
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 22fc4ba96def..38360adc53d9 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -1077,6 +1077,7 @@ enum dmub_status dmub_srv_wait_for_inbox0_ack(struct dmub_srv *dmub, uint32_t ti
ack = dmub->hw_funcs.read_inbox0_ack_register(dmub);
if (ack)
return DMUB_STATUS_OK;
+ udelay(1);
}
return DMUB_STATUS_TIMEOUT;
}
The patch below does not apply to the 6.7-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(a)vger.kernel.org>.
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-6.7.y
git checkout FETCH_HEAD
git cherry-pick -x 1c22d6ce53280763bcb4cb24d4f71111fff4a526
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024012734-annex-prison-3995@gregkh' --subject-prefix 'PATCH 6.7.y' HEAD^..
Possible dependencies:
1c22d6ce5328 ("drm/amd/display: Include udelay when waiting for INBOX0 ACK")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 1c22d6ce53280763bcb4cb24d4f71111fff4a526 Mon Sep 17 00:00:00 2001
From: Alvin Lee <alvin.lee2(a)amd.com>
Date: Mon, 6 Nov 2023 11:20:15 -0500
Subject: [PATCH] drm/amd/display: Include udelay when waiting for INBOX0 ACK
When waiting for the ACK for INBOX0 message,
we have to ensure to include the udelay
for proper wait time
Cc: stable(a)vger.kernel.org # 6.1+
Reviewed-by: Samson Tam <samson.tam(a)amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz(a)amd.com>
Signed-off-by: Alvin Lee <alvin.lee2(a)amd.com>
Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com>
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 22fc4ba96def..38360adc53d9 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -1077,6 +1077,7 @@ enum dmub_status dmub_srv_wait_for_inbox0_ack(struct dmub_srv *dmub, uint32_t ti
ack = dmub->hw_funcs.read_inbox0_ack_register(dmub);
if (ack)
return DMUB_STATUS_OK;
+ udelay(1);
}
return DMUB_STATUS_TIMEOUT;
}