[Intel-gfx] [PATCH 5/7] drm/i915: don't change VDD AUX status in panel power functions

Jesse Barnes jbarnes at virtuousgeek.org
Wed Sep 8 21:42:03 CEST 2010


Mode set sequence outlines when the AUX VDD bit should be set and
cleared, and it's separate from the panel power sequence.

Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 5053391..2f7eb5d 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -783,7 +783,7 @@ static bool ironlake_edp_panel_on (struct drm_device *dev)
 		DRM_ERROR("panel on wait timed out: 0x%08x\n",
 			  I915_READ(PCH_PP_STATUS));
 
-	pp &= ~(PANEL_UNLOCK_REGS | EDP_FORCE_VDD);
+	pp &= ~(PANEL_UNLOCK_REGS);
 	pp |= PANEL_POWER_RESET; /* restore panel reset bit */
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
@@ -811,7 +811,7 @@ static void ironlake_edp_panel_off (struct drm_device *dev)
 			  I915_READ(PCH_PP_STATUS));
 
 	/* Make sure VDD is enabled so DP AUX will work */
-	pp |= EDP_FORCE_VDD | PANEL_POWER_RESET; /* restore panel reset bit */
+	pp |= PANEL_POWER_RESET; /* restore panel reset bit */
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
 }
-- 
1.6.3.3




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