drm/radeon: add primary dac adj quirk for R200 board

commit e8fc41377f5037ff7a661ea06adc05f1daec1548 upstream.

vbios values are wrong leading to colors that are
too bright.  Use the default values instead.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index a2470d96deb61099e572b9d0c8dee0188e9b2a77..2b2c557f6452e4dd2703e9c74423cbf79ec25b76 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -958,6 +958,15 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
                        found = 1;
        }
 
+       /* quirks */
+       /* Radeon 9100 (R200) */
+       if ((dev->pdev->device == 0x514D) &&
+           (dev->pdev->subsystem_vendor == 0x174B) &&
+           (dev->pdev->subsystem_device == 0x7149)) {
+               /* vbios value is bad, use the default */
+               found = 0;
+       }
+
        if (!found) /* fallback to defaults */
                radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);