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authorAlex Deucher <alexander.deucher@amd.com>2016-08-24 19:04:15 +0200
committerAlex Deucher <alexander.deucher@amd.com>2016-08-24 20:04:38 +0200
commit611a1507fe8569ce1adab3abc982ea58ab559fb9 (patch)
tree288afb5c2df67d9612089d60e25d35f3e9117335 /drivers/gpu/drm/amd/amdgpu
parentdrm/amdgpu: avoid a possible array overflow (diff)
downloadlinux-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.c7
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));