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author | Alex Deucher <alexander.deucher@amd.com> | 2016-08-24 19:04:15 +0200 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2016-08-24 20:04:38 +0200 |
commit | 611a1507fe8569ce1adab3abc982ea58ab559fb9 (patch) | |
tree | 288afb5c2df67d9612089d60e25d35f3e9117335 /drivers/gpu/drm/amd/amdgpu | |
parent | drm/amdgpu: avoid a possible array overflow (diff) | |
download | linux-611a1507fe8569ce1adab3abc982ea58ab559fb9.tar.xz linux-611a1507fe8569ce1adab3abc982ea58ab559fb9.zip |
drm/amdgpu: skip TV/CV in display parsing
No asics supported by amdgpu support analog TV.
Workaround for bug:
https://bugs.freedesktop.org/show_bug.cgi?id=97460
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 151422307d31..fe872b82e619 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -321,6 +321,13 @@ bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device * (le16_to_cpu(path->usConnObjectId) & OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT; + /* Skip TV/CV support */ + if ((le16_to_cpu(path->usDeviceTag) == + ATOM_DEVICE_TV1_SUPPORT) || + (le16_to_cpu(path->usDeviceTag) == + ATOM_DEVICE_CV_SUPPORT)) + continue; + if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) { DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n", con_obj_id, le16_to_cpu(path->usDeviceTag)); |