From efa8450f6c93c9d4c99adfea2f52f1d02d878d5b Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 9 Feb 2010 09:06:00 +1000
Subject: [PATCH] drm/radeon/kms: add quirk for VGA without DDC on rv730 XFX
card.
Reported on irc by nirbheek.
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/radeon/radeon_atombios.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index fa82ca74324e..2dcda6115874 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -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;
}
--
GitLab