drm/i915: Check if BIOS enabled dual-channel LVDS on 8xx, not only on 9xx
Commit 0c2e39525b
is not sufficient to
get fd.o bug #20115 fixed.
In addition intel_find_best_PLL() must not only rely on BIOS settings
for i9xx chips but also for i8xx, so drop the IS_I9XX() check.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -666,7 +666,7 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
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intel_clock_t clock;
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int err = target;
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if (IS_I9XX(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
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if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
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(I915_READ(LVDS)) != 0) {
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/*
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* For LVDS, if the panel is on, just rely on its current
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