From: Chris Wilson Date: Wed, 22 Sep 2010 18:10:44 +0000 (+0100) Subject: drm/i915: Fix 945GM regression in e259befd X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9b74f7348f214b1f99819f0d0da4a1cbabb1e740;p=linux-beck.git drm/i915: Fix 945GM regression in e259befd A minor typo caused a single fence register to be incorrectly programmed, resulting in occassional tiling corruption. Reported-and-tested-by: Hans de Bruin Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=18962 Signed-off-by: Chris Wilson Cc: stable@kernel.org --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index cf4ffbee1c00..bced9b25c71e 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2400,7 +2400,7 @@ i915_gem_clear_fence_reg(struct drm_gem_object *obj) I915_WRITE64(FENCE_REG_965_0 + (obj_priv->fence_reg * 8), 0); break; case 3: - if (obj_priv->fence_reg > 8) + if (obj_priv->fence_reg >= 8) fence_reg = FENCE_REG_945_8 + (obj_priv->fence_reg - 8) * 4; else case 2: