From: Gustavo Padovan <gustavo.pado...@collabora.co.uk>

Take out the pin_fb code so commit phase can't fail anymore.

Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.co.uk>
---
 drivers/gpu/drm/i915/intel_display.c | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index dfe9ad5..9dd4952 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11588,20 +11588,16 @@ intel_check_primary_plane(struct drm_plane *plane,
 }
 
 static int
-intel_commit_primary_plane(struct drm_plane *plane,
-                          struct intel_plane_state *state)
+intel_prepare_primary_plane(struct drm_plane *plane,
+                           struct intel_plane_state *state)
 {
        struct drm_crtc *crtc = state->crtc;
        struct drm_framebuffer *fb = state->fb;
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        enum pipe pipe = intel_crtc->pipe;
-       struct drm_framebuffer *old_fb = plane->fb;
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
        struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb);
-       struct intel_plane *intel_plane = to_intel_plane(plane);
-       struct drm_rect *src = &state->src;
        int ret;
 
        intel_crtc_wait_for_pending_flips(crtc);
@@ -11611,7 +11607,7 @@ intel_commit_primary_plane(struct drm_plane *plane,
                return -EBUSY;
        }
 
-       if (plane->fb != fb) {
+       if (old_obj != obj) {
                mutex_lock(&dev->struct_mutex);
                ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
                if (ret == 0)
@@ -11624,6 +11620,25 @@ intel_commit_primary_plane(struct drm_plane *plane,
                }
        }
 
+       return 0;
+}
+
+static void
+intel_commit_primary_plane(struct drm_plane *plane,
+                          struct intel_plane_state *state)
+{
+       struct drm_crtc *crtc = state->crtc;
+       struct drm_framebuffer *fb = state->fb;
+       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       enum pipe pipe = intel_crtc->pipe;
+       struct drm_framebuffer *old_fb = plane->fb;
+       struct drm_i915_gem_object *obj = intel_fb_obj(fb);
+       struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb);
+       struct intel_plane *intel_plane = to_intel_plane(plane);
+       struct drm_rect *src = &state->src;
+
        crtc->primary->fb = fb;
        crtc->x = src->x1;
        crtc->y = src->y1;
@@ -11700,8 +11715,6 @@ intel_commit_primary_plane(struct drm_plane *plane,
                intel_unpin_fb_obj(old_obj);
                mutex_unlock(&dev->struct_mutex);
        }
-
-       return 0;
 }
 
 static int
@@ -11742,6 +11755,10 @@ intel_primary_plane_setplane(struct drm_plane *plane, 
struct drm_crtc *crtc,
        if (ret)
                return ret;
 
+       ret = intel_prepare_primary_plane(plane, &state);
+       if (ret)
+               return ret;
+
        intel_commit_primary_plane(plane, &state);
 
        return 0;
-- 
1.9.3

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