36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
|
From 9e4eb0947431c5a6b55f442aee3eb505e5a334d5 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Jesse Barnes <jbarnes@virtuousgeek.org>
|
||
|
|
Date: Tue, 4 Jan 2011 15:09:29 -0800
|
||
|
|
Subject: [PATCH 2/3] drm/i915: don't enable plane, pipe and PLL prematurely
|
||
|
|
|
||
|
|
On Ironlake+ we need to enable these in a specific order.
|
||
|
|
|
||
|
|
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
|
||
|
|
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
|
||
|
|
---
|
||
|
|
drivers/gpu/drm/i915/intel_display.c | 8 +++++---
|
||
|
|
1 files changed, 5 insertions(+), 3 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
|
||
|
|
index 49fb54f..711beca 100644
|
||
|
|
--- a/drivers/gpu/drm/i915/intel_display.c
|
||
|
|
+++ b/drivers/gpu/drm/i915/intel_display.c
|
||
|
|
@@ -4322,9 +4322,11 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
|
||
|
|
pipeconf &= ~PIPECONF_DOUBLE_WIDE;
|
||
|
|
}
|
||
|
|
|
||
|
|
- dspcntr |= DISPLAY_PLANE_ENABLE;
|
||
|
|
- pipeconf |= PIPECONF_ENABLE;
|
||
|
|
- dpll |= DPLL_VCO_ENABLE;
|
||
|
|
+ if (!HAS_PCH_SPLIT(dev)) {
|
||
|
|
+ dspcntr |= DISPLAY_PLANE_ENABLE;
|
||
|
|
+ pipeconf |= PIPECONF_ENABLE;
|
||
|
|
+ dpll |= DPLL_VCO_ENABLE;
|
||
|
|
+ }
|
||
|
|
|
||
|
|
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
|
||
|
|
drm_mode_debug_printmodeline(mode);
|
||
|
|
--
|
||
|
|
1.7.6.5
|
||
|
|
|