>From a0e096ff6daad610917c2f28aa81ce95587308c7 Mon Sep 17 00:00:00 2001 From: Alex Deucher <[email protected]> Date: Tue, 16 Feb 2010 11:44:21 -0500 Subject: [PATCH] drm/radeon/kms: add LVDS pll quirk for Dell Studio 15
fixes fdo bug 26358 Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/radeon/radeon_atombios.c | 9 +++++++++ 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 4f7dbce..b41b4a5 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 { -- 1.5.6.3
0001-drm-radeon-kms-add-LVDS-pll-quirk-for-Dell-Studio-1.patch
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