This is a note to let you know that I've just added the patch titled
drm/amd: Don't try to enable secure display TA multiple times
to the 6.4-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-don-t-try-to-enable-secure-display-ta-multip.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2ebc7e61af8e9ca19b64426a728efa54aa616c9e
Author: Mario Limonciello <mario.limonciello@xxxxxxx>
Date: Thu Jun 22 22:18:39 2023 -0500
drm/amd: Don't try to enable secure display TA multiple times
[ Upstream commit 5c6d52ff4b61e5267b25be714eb5a9ba2a338199 ]
If the securedisplay TA failed to load the first time, it's unlikely
to work again after a suspend/resume cycle or reset cycle and it appears
to be causing problems in futher attempts.
Fixes: e42dfa66d592 ("drm/amdgpu: Add secure display TA load for Renoir")
Reported-by: Filip Hejsek <filip.hejsek@xxxxxxxxx>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2633
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index a150b7a4b4aae..e4757a2807d9a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1947,6 +1947,8 @@ static int psp_securedisplay_initialize(struct psp_context *psp)
psp_securedisplay_parse_resp_status(psp, securedisplay_cmd->status);
dev_err(psp->adev->dev, "SECUREDISPLAY: query securedisplay TA failed. ret 0x%x\n",
securedisplay_cmd->securedisplay_out_message.query_ta.query_cmd_ret);
+ /* don't try again */
+ psp->securedisplay_context.context.bin_desc.size_bytes = 0;
}
return 0;
