Re: linux-next: Tree for Aug 13 [ screen corruption in graphicalmode ]

[Chris Wilson]

On Tue, Aug 13, 2013 at 11:10:18AM +0200, Sedat Dilek wrote:
> Hi,
> 
> with today's next-20130813 I cannot see 1/10 of my desktop-screen's
> top, it's simply black.
> I can estimate the URL line in Firefox (or open a new tab blindly and
> get a known URL from my autocompleted history).

Can you attach a photograph?
 
> My Xorg stack did not change: libdrm-2.4.46 | mesa-9.16 | intel-ddx-2.4.14.
> next-20130808 was OK - no screen corruptions.
> 
> Any idea, hint?

Can you please try:

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index af1b2f0..b0f181d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1837,7 +1837,7 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev,
                break;
        case I915_TILING_X:
                /* pin() will align the object as required by fence */
-               alignment = 0;
+               alignment = 256 * 1024;
                break;
        case I915_TILING_Y:
                /* Despite that we check this in framebuffer_init userspace can

-- 
Chris Wilson, Intel Open Source Technology Centre
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