[RFC][PATCH 1/4] drm/i915: Try to commit single pipe in one go

[ville.syrj...@linux.intel.com]

From: Ville Syrj?l? <ville.syrj...@linux.intel.com>

---
 drivers/gpu/drm/i915/intel_atomic.c |   23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_atomic.c 
b/drivers/gpu/drm/i915/intel_atomic.c
index e439c04..e9eaa8a 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -907,6 +907,7 @@ static int apply_config(struct drm_device *dev,
        for (i = 0; i < dev->mode_config.num_crtc; i++) {
                struct intel_crtc_state *st = &s->crtc[i];
                struct intel_crtc *intel_crtc = to_intel_crtc(st->crtc);
+               int j;

                if (st->mode_dirty) {
                        ret = crtc_mode_set(st->crtc);
@@ -925,21 +926,21 @@ static int apply_config(struct drm_device *dev,
                                                 intel_crtc->cursor_height,
                                                 intel_crtc->cursor_bo,
                                                 intel_crtc->cursor_addr);
-       }

-       for (i = 0; i < dev->mode_config.num_plane; i++) {
-               struct intel_plane_state *st = &s->plane[i];
-               struct drm_plane *plane = st->plane;
+               for (j = 0; j < dev->mode_config.num_plane; j++) {
+                       struct intel_plane_state *pst = &s->plane[j];
+                       struct drm_plane *plane = pst->plane;

-               if (!s->plane[i].dirty)
-                       continue;
+                       if (!pst->dirty)
+                               continue;

-               if (!plane->crtc)
-                       continue;
+                       if (plane->crtc != st->crtc)
+                               continue;

-               ret = intel_commit_plane(plane, plane->crtc, plane->fb, 
&st->coords, false);
-               if (ret)
-                       return ret;
+                       ret = intel_commit_plane(plane, plane->crtc, plane->fb, 
&pst->coords, false);
+                       if (ret)
+                               return ret;
+               }
        }

        for (i = 0; i < dev->mode_config.num_crtc; i++) {
-- 
1.7.8.6