[Bug 90725] Display chunks with xorg intel driver with Accel & when using swap space

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90725

--- Comment #14 from Chris Wilson <chris at chris-wilson.co.uk> ---
The kernel patch will fix the kdm corruption (should at least). However, to fix
the swap related corruption we need to port the l-shape tiling quirk to your
machine. As a quick test of that hypothesis:

diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c
b/drivers/gpu/drm/i915/i915_
index cfd85f4..ce36ebb 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -225,6 +225,7 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)

        dev_priv->mm.bit_6_swizzle_x = swizzle_x;
        dev_priv->mm.bit_6_swizzle_y = swizzle_y;
+       dev_priv->quirks |= QUIRK_PIN_SWIZZLED_PAGES;
 }

 /* Check pitch constriants for all chips & tiling formats */

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