drm/radeon/kms: add quirk for VGA without DDC on rv730 XFX card. (efa8450f) · Commits · 戴 / test

drivers/gpu/drm/radeon/radeon_atombios.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -287,6 +287,15 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
		*connector_type = DRM_MODE_CONNECTOR_DVID;
		}

		/* XFX Pine Group device rv730 reports no VGA DDC lines
		* even though they are wired up to record 0x93
		*/
		if ((dev->pdev->device == 0x9498) &&
		(dev->pdev->subsystem_vendor == 0x1682) &&
		(dev->pdev->subsystem_device == 0x2452)) {
		struct radeon_device *rdev = dev->dev_private;
		*i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
		}
		return true;
		}