From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 27 Feb 2013 17:01:58 +0000 (-0500)
Subject: drm/radeon: add primary dac adj quirk for R200 board
X-Git-Tag: v3.4.36~19
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=b08994da73be68f17f82a522f4f129c18dbbf77f;p=unionfs-2.6.39.y.git

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 a2470d96deb..2b2c557f645 100644
--- 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);