diff options
| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-02-09 01:46:20 (GMT) |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-02-10 22:50:38 (GMT) |
| commit | aacef09b59e99d9e919ede74d107d5d7f3721432 (patch) | |
| tree | 2ba8295c11fd792bf813d047376a434feb8ce911 /drivers | |
| parent | f072d2e77128c5b332ce217764cf170b660b99dc (diff) | |
| download | linux-aacef09b59e99d9e919ede74d107d5d7f3721432.tar.xz | |
drm/i915: fix pipe source image setting in flip command
The MI_DISPLAY_FLIP command needs to be set the same pipe
source image like in pipe source register, e.g source image
size minus one. This fixes screen corrupt issue on Ironlake.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index dc6ffe8..c161ace 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4180,7 +4180,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_unpin_work *work; unsigned long flags; - int ret; + int pipesrc_reg = (intel_crtc->pipe == 0) ? PIPEASRC : PIPEBSRC; + int ret, pipesrc; RING_LOCALS; work = kzalloc(sizeof *work, GFP_KERNEL); @@ -4236,7 +4237,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, OUT_RING(fb->pitch); if (IS_I965G(dev)) { OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode); - OUT_RING((fb->width << 16) | fb->height); + pipesrc = I915_READ(pipesrc_reg); + OUT_RING(pipesrc & 0x0fff0fff); } else { OUT_RING(obj_priv->gtt_offset); OUT_RING(MI_NOOP); |