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-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 731210bef744..79d445373c34 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,
1109 lvds->pll_algo = PLL_ALGO_LEGACY; 1109 lvds->pll_algo = PLL_ALGO_LEGACY;
1110 } 1110 }
1111 1111
1112 /* Dell Studio 15 laptop panel doesn't like new pll divider algo */
1113 if ((dev->pdev->device == 0x95c4) &&
1114 (dev->pdev->subsystem_vendor == 0x1028) &&
1115 (dev->pdev->subsystem_device == 0x029f)) {
1116 if ((lvds->native_mode.hdisplay == 1280) &&
1117 (lvds->native_mode.vdisplay == 800))
1118 lvds->pll_algo = PLL_ALGO_LEGACY;
1119 }
1120
1112} 1121}
1113 1122
1114union lvds_info { 1123union lvds_info {