Commit 8e0d84a6 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie

drm/radeon/kms: add LVDS pll quirk for Dell Studio 15

fixes fdo bug 26358
Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent bc4624ca
......@@ -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 {
......
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