aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 731210bef74..79d445373c3 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1109,6 +1109,15 @@ static void radeon_atom_apply_lvds_quirks(struct drm_device *dev,
lvds->pll_algo = PLL_ALGO_LEGACY;
}
+ /* Dell Studio 15 laptop panel doesn't like new pll divider algo */
+ if ((dev->pdev->device == 0x95c4) &&
+ (dev->pdev->subsystem_vendor == 0x1028) &&
+ (dev->pdev->subsystem_device == 0x029f)) {
+ if ((lvds->native_mode.hdisplay == 1280) &&
+ (lvds->native_mode.vdisplay == 800))
+ lvds->pll_algo = PLL_ALGO_LEGACY;
+ }
+
}
union lvds_info {