[Intel-gfx] [PATCH 13/37] drm/i915: Unbind bo if currently bound with incorrect alignment.

[Chris Wilson]

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_display.c |   11 +++++++++++
 drivers/gpu/drm/i915/intel_fb.c      |    6 ++++++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3904d43..e1f4874 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1250,10 +1250,21 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj)
 	switch (obj_priv->tiling_mode) {
 	case I915_TILING_NONE:
 		alignment = 64 * 1024;
+		if (obj_priv->gtt_space &&
+		    obj_priv->gtt_offset & (alignment - 1)) {
+			ret = i915_gem_object_unbind (obj);
+			if (ret)
+				return ret;
+		}
 		break;
 	case I915_TILING_X:
 		/* pin() will align the object as required by fence */
 		alignment = 0;
+		if (!i915_gem_object_fence_offset_ok(obj, I915_TILING_X)) {
+			ret = i915_gem_object_unbind(obj);
+			if (ret)
+				return ret;
+		}
 		break;
 	case I915_TILING_Y:
 		/* FIXME: Is this true? */
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index aaabbcb..89717e3 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -148,6 +148,12 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
 
 	mutex_lock(&dev->struct_mutex);
 
+	if (obj_priv->gtt_space && obj_priv->gtt_offset & (64*1024 - 1)) {
+		ret = i915_gem_object_unbind (fbo);
+		if (ret)
+			goto out_unref;
+	}
+
 	ret = i915_gem_object_pin(fbo, 64*1024);
 	if (ret) {
 		DRM_ERROR("failed to pin fb: %d\n", ret);
-- 
1.7.0