Skip to content

Commit

Permalink
drm/amdgpu: don't enable secure display on incompatible platforms
Browse files Browse the repository at this point in the history
commit 7fc602d upstream.

[why]
[drm] psp gfx command LOAD_TA(0x1) failed and response status is (0x7)
[drm] psp gfx command INVOKE_CMD(0x3) failed and response status is (0x4)
amdgpu 0000:04:00.0: amdgpu: Secure display: Generic Failure.

[how]
don't enable secure display on incompatible platforms

Suggested-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Jesse zhang <jesse.zhang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  • Loading branch information
Jie1zhang authored and gregkh committed May 30, 2023
1 parent 9fbb3d9 commit 5a317bd
Showing 1 changed file with 7 additions and 1 deletion.
8 changes: 7 additions & 1 deletion drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
Expand Up @@ -57,7 +57,13 @@ static int psp_v10_0_init_microcode(struct psp_context *psp)
if (err)
return err;

return psp_init_ta_microcode(psp, ucode_prefix);
err = psp_init_ta_microcode(psp, ucode_prefix);
if ((adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 1, 0)) &&
(adev->pdev->revision == 0xa1) &&
(psp->securedisplay_context.context.bin_desc.fw_version >= 0x27000008)) {
adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0;
}
return err;
}

static int psp_v10_0_ring_create(struct psp_context *psp,
Expand Down

0 comments on commit 5a317bd

Please sign in to comment.