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

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

drivers/gpu/drm/radeon/radeon_atombios.c

+9 −0
Original line number Diff line number Diff line
@@ -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 {