Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

drm/i915: don't change VDD AUX status in panel power functions

Browse source 
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@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Jesse Barnes 2010-09-08 12:42:03 -07:00 committed by Chris Wilson
parent 33a34e4e59
commit 3969c9c927
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/gpu/drm/i915/intel_dp.c
View file

@ -783,7 +783,7 @@ static bool ironlake_edp_panel_on (struct drm_device *dev)
DRM_ERROR("panel on wait timed out: 0x%08x\n", DRM_ERROR("panel on wait timed out: 0x%08x\n",
I915_READ(PCH_PP_STATUS)); I915_READ(PCH_PP_STATUS));
pp &= ~(PANEL_UNLOCK_REGS | EDP_FORCE_VDD); pp &= ~(PANEL_UNLOCK_REGS);
pp |= PANEL_POWER_RESET; /* restore panel reset bit */ pp |= PANEL_POWER_RESET; /* restore panel reset bit */
I915_WRITE(PCH_PP_CONTROL, pp); I915_WRITE(PCH_PP_CONTROL, pp);
POSTING_READ(PCH_PP_CONTROL); POSTING_READ(PCH_PP_CONTROL);
@ -811,7 +811,7 @@ static void ironlake_edp_panel_off (struct drm_device *dev)
I915_READ(PCH_PP_STATUS)); I915_READ(PCH_PP_STATUS));
/* Make sure VDD is enabled so DP AUX will work */ /* 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); I915_WRITE(PCH_PP_CONTROL, pp);
POSTING_READ(PCH_PP_CONTROL); POSTING_READ(PCH_PP_CONTROL);
} }