Merge branch 'drm-intel-next' of git://anongit.freedesktop.org/drm-intel into drm-next

drm-intel-next-2016-08-22:
- bugfixes and cleanups for rcu-protected requests (Chris)
- atomic modeset fixes for gpu reset on pre-g4x (Maarten&Ville)
- guc submission improvements (Dave Gordon)
- panel power sequence cleanup (Imre)
- better use of stolen and unmappable ggtt (Chris), plus prep work to make that
  happen
- rework of framebuffer offsets, prep for multi-plane framebuffers (Ville)
- fully partial ggtt vmaps, including fenced ones (Chris)
- move lots more of the gem tracking from the object to the vma (Chris)
- tune the command parser (Chris)
- allow fbc without fences on recent platforms (Chris)
- fbc frontbuffer tracking fixes (Chris)
- fast prefaulting using io-mappping.h pgprot caching (Chris)

* 'drm-intel-next' of git://anongit.freedesktop.org/drm-intel: (141 commits)
  io-mapping: Fixup for different names of writecombine
  io-mapping.h: s/PAGE_KERNEL_IO/PAGE_KERNEL/
  drm/i915: Update DRIVER_DATE to 20160822
  drm/i915: Use remap_io_mapping() to prefault all PTE in a single pass
  drm/i915: Embed the io-mapping struct inside drm_i915_private
  io-mapping: Always create a struct to hold metadata about the io-mapping
  drm/i915/fbc: Allow on unfenced surfaces, for recent gen
  drm/i915/fbc: Don't set an illegal fence if unfenced
  drm/i915: Flush delayed fence releases after reset
  drm/i915: Reattach comment, complete type specification
  drm/i915/cmdparser: Accelerate copies from WC memory
  drm/i915/cmdparser: Use binary search for faster register lookup
  drm/i915/cmdparser: Check for SKIP descriptors first
  drm/i915/cmdparser: Compare against the previous command descriptor
  drm/i915/cmdparser: Improve hash function
  drm/i915/cmdparser: Only cache the dst vmap
  drm/i915/cmdparser: Use cached vmappings
  drm/i915/cmdparser: Add the TIMESTAMP register for the other engines
  drm/i915/cmdparser: Make initialisation failure non-fatal
  drm/i915: Stop discarding GTT cache-domain on unbind vma
  ...

1 files changed, 9 insertions, 12 deletions

diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index 2c14dfc5e4f0..4003e4908c09 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -187,7 +187,6 @@ static int intelfb_create(struct drm_fb_helper *helper,
 	struct fb_info *info;
 	struct drm_framebuffer *fb;
 	struct i915_vma *vma;
-	struct drm_i915_gem_object *obj;
 	bool prealloc = false;
 	void __iomem *vaddr;
 	int ret;
@@ -215,17 +214,17 @@ static int intelfb_create(struct drm_fb_helper *helper,
 		sizes->fb_height = intel_fb->base.height;
 	}
 
-	obj = intel_fb->obj;
-
 	mutex_lock(&dev->struct_mutex);
 
 	/* Pin the GGTT vma for our access via info->screen_base.
 	 * This also validates that any existing fb inherited from the
 	 * BIOS is suitable for own access.
 	 */
-	ret = intel_pin_and_fence_fb_obj(&ifbdev->fb->base, DRM_ROTATE_0);
-	if (ret)
+	vma = intel_pin_and_fence_fb_obj(&ifbdev->fb->base, DRM_ROTATE_0);
+	if (IS_ERR(vma)) {
+		ret = PTR_ERR(vma);
 		goto out_unlock;
+	}
 
 	info = drm_fb_helper_alloc_fbi(helper);
 	if (IS_ERR(info)) {
@@ -245,13 +244,11 @@ static int intelfb_create(struct drm_fb_helper *helper,
 	info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
 	info->fbops = &intelfb_ops;
 
-	vma = i915_gem_obj_to_ggtt(obj);
-
 	/* setup aperture base/size for vesafb takeover */
 	info->apertures->ranges[0].base = dev->mode_config.fb_base;
 	info->apertures->ranges[0].size = ggtt->mappable_end;
 
-	info->fix.smem_start = dev->mode_config.fb_base + vma->node.start;
+	info->fix.smem_start = dev->mode_config.fb_base + i915_ggtt_offset(vma);
 	info->fix.smem_len = vma->node.size;
 
 	vaddr = i915_vma_pin_iomap(vma);
@@ -273,14 +270,14 @@ static int intelfb_create(struct drm_fb_helper *helper,
 	 * If the object is stolen however, it will be full of whatever
 	 * garbage was left in there.
 	 */
-	if (ifbdev->fb->obj->stolen && !prealloc)
+	if (intel_fb->obj->stolen && !prealloc)
 		memset_io(info->screen_base, 0, info->screen_size);
 
 	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
 
-	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08llx, bo %p\n",
-		      fb->width, fb->height,
-		      i915_gem_obj_ggtt_offset(obj), obj);
+	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x\n",
+		      fb->width, fb->height, i915_ggtt_offset(vma));
+	ifbdev->vma = vma;
 
 	mutex_unlock(&dev->struct_mutex);
 	vga_switcheroo_client_fb_set(dev->pdev, info);