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authorAlex Deucher <alexander.deucher@amd.com>2012-05-23 11:48:59 -0400
committerDave Airlie <airlied@redhat.com>2012-05-29 11:08:19 +0100
commit1ebf169ad4dc68f18cc0dab35163b0f324fc6c41 (patch)
tree81975c409477de48aa2ee152255e06b4b43c0538 /drivers/gpu/drm/radeon/radeon_atombios.c
parent592c20ee45a1f99b59817216c766684d95cca77b (diff)
drm/radeon: fix XFX quirk
Only override the ddc bus if the connector doesn't have a valid one. The existing code overrode the ddc bus for all connectors even if it had ddc bus. Fixes ddc on another XFX card with the same pci ids that was broken by the quirk overwriting the correct ddc bus. Reported-by: Mehdi Aqadjani Memar <m.aqadjanimemar@student.ru.nl> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index f6e69b8c06c..b1e3820df36 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -444,7 +444,9 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
*/
if ((dev->pdev->device == 0x9498) &&
(dev->pdev->subsystem_vendor == 0x1682) &&
- (dev->pdev->subsystem_device == 0x2452)) {
+ (dev->pdev->subsystem_device == 0x2452) &&
+ (i2c_bus->valid == false) &&
+ !(supported_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))) {
struct radeon_device *rdev = dev->dev_private;
*i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
}