Commit 1ebf169a authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie

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: default avatarMehdi Aqadjani Memar <m.aqadjanimemar@student.ru.nl>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 592c20ee
......@@ -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);
}
......
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