[Intel-gfx] [PATCH 1/6] drm/i915/crt: don't set HOTPLUG bits on !PCH
Daniel Vetter
daniel.vetter at ffwll.ch
Thu Oct 11 20:08:23 CEST 2012
... since they don't apply to pre-pch platforms and could actually be
harmful.
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/intel_crt.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index c42b980..46c90f5 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -235,7 +235,11 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
}
- adpa = ADPA_HOTPLUG_BITS;
+ if (HAS_PCH_SPLIT(dev))
+ adpa = ADPA_HOTPLUG_BITS;
+ else
+ adpa = 0;
+
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
adpa |= ADPA_HSYNC_ACTIVE_HIGH;
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
--
1.7.11.2
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