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* FAILED: patch "[PATCH] Revert "drm/amd/display: Fix memory leaks in S3 resume"" failed to apply to 5.10-stable tree
@ 2021-01-11  8:59 gregkh
  2021-01-11 14:40 ` Deucher, Alexander
  0 siblings, 1 reply; 4+ messages in thread
From: gregkh @ 2021-01-11  8:59 UTC (permalink / raw)
  To: alexander.deucher, andre, harry.wentland, nicholas.kazlauskas,
	oleksandr, stylon.wang
  Cc: stable


The patch below does not apply to the 5.10-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@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 5efc1f4b454c6179d35e7b0c3eda0ad5763a00fc Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 5 Jan 2021 11:42:08 -0500
Subject: [PATCH] Revert "drm/amd/display: Fix memory leaks in S3 resume"

This reverts commit a135a1b4c4db1f3b8cbed9676a40ede39feb3362.

This leads to blank screens on some boards after replugging a
display.  Revert until we understand the root cause and can
fix both the leak and the blank screen after replug.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211033
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1427
Cc: Stylon Wang <stylon.wang@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Andre Tomt <andre@tomt.net>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 3fb6baf9b0ba..146486071d01 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2386,8 +2386,7 @@ void amdgpu_dm_update_connector_after_detect(
 
 			drm_connector_update_edid_property(connector,
 							   aconnector->edid);
-			aconnector->num_modes = drm_add_edid_modes(connector, aconnector->edid);
-			drm_connector_list_update(connector);
+			drm_add_edid_modes(connector, aconnector->edid);
 
 			if (aconnector->dc_link->aux_mode)
 				drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,


^ permalink raw reply related	[flat|nested] 4+ messages in thread
* FAILED: patch "[PATCH] Revert "drm/amd/display: Fix memory leaks in S3 resume"" failed to apply to 5.10-stable tree
@ 2021-03-01 10:02 gregkh
  0 siblings, 0 replies; 4+ messages in thread
From: gregkh @ 2021-03-01 10:02 UTC (permalink / raw)
  To: alexander.deucher, andre, harry.wentland, nicholas.kazlauskas,
	oleksandr, stylon.wang
  Cc: stable


The patch below does not apply to the 5.10-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@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 8768ff5efae35acea81b3f0c7db6a7ef519b0861 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 5 Jan 2021 11:42:08 -0500
Subject: [PATCH] Revert "drm/amd/display: Fix memory leaks in S3 resume"

This reverts commit a135a1b4c4db1f3b8cbed9676a40ede39feb3362.

This leads to blank screens on some boards after replugging a
display.  Revert until we understand the root cause and can
fix both the leak and the blank screen after replug.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211033
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1427
Cc: Stylon Wang <stylon.wang@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Andre Tomt <andre@tomt.net>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 0d2e334be87a..318eb12f8de7 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2385,8 +2385,7 @@ void amdgpu_dm_update_connector_after_detect(
 
 			drm_connector_update_edid_property(connector,
 							   aconnector->edid);
-			aconnector->num_modes = drm_add_edid_modes(connector, aconnector->edid);
-			drm_connector_list_update(connector);
+			drm_add_edid_modes(connector, aconnector->edid);
 
 			if (aconnector->dc_link->aux_mode)
 				drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-03-01 10:04 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-01-11  8:59 FAILED: patch "[PATCH] Revert "drm/amd/display: Fix memory leaks in S3 resume"" failed to apply to 5.10-stable tree gregkh
2021-01-11 14:40 ` Deucher, Alexander
2021-01-11 14:54   ` gregkh
2021-03-01 10:02 gregkh

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