[PATCH v3 09/11] drm/i915: create a prepare phase for sprite plane updates

Gustavo Padovan
2014-09-24T17:20:30Z

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

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

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
---
drivers/gpu/drm/i915/intel_sprite.c | 63 +++++++++++++++++++++++--------------
1 file changed, 40 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 750b634..8e5445b 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1189,34 +1189,18 @@ intel_check_sprite_plane(struct drm_plane *plane,
}

static int
-intel_commit_sprite_plane(struct drm_plane *plane,
- struct intel_plane_state *state)
+intel_prepare_sprite_plane(struct drm_plane *plane,
+ struct intel_plane_state *state)
{
struct drm_device *dev = plane->dev;
struct drm_crtc *crtc = state->crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_plane *intel_plane = to_intel_plane(plane);
enum pipe pipe = intel_crtc->pipe;
struct drm_framebuffer *fb = state->fb;
- struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
- struct drm_i915_gem_object *obj = intel_fb->obj;
- struct drm_i915_gem_object *old_obj = intel_plane->obj;
- int crtc_x, crtc_y;
- unsigned int crtc_w, crtc_h;
- uint32_t src_x, src_y, src_w, src_h;
- struct drm_rect *dst = &state->dst;
- const struct drm_rect *clip = &state->clip;
- bool primary_enabled;
+ struct drm_i915_gem_object *obj = intel_fb_obj(fb);
+ struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb);
int ret;

- /*
- * If the sprite is completely covering the primary plane,
- * we can disable the primary and save power.
- */
- primary_enabled = !drm_rect_equals(dst, clip) || colorkey_enabled(intel_plane);
- WARN_ON(!primary_enabled && !state->visible && intel_crtc->active);
-
-
if (old_obj != obj) {
mutex_lock(&dev->struct_mutex);

@@ -1235,6 +1219,36 @@ intel_commit_sprite_plane(struct drm_plane *plane,
return ret;
}

+ return 0;
+}
+
+static void
+intel_commit_sprite_plane(struct drm_plane *plane,
+ struct intel_plane_state *state)
+{
+ struct drm_device *dev = plane->dev;
+ struct drm_crtc *crtc = state->crtc;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ enum pipe pipe = intel_crtc->pipe;
+ struct drm_framebuffer *fb = state->fb;
+ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+ struct drm_i915_gem_object *obj = intel_fb->obj;
+ struct drm_i915_gem_object *old_obj = intel_plane->obj;
+ int crtc_x, crtc_y;
+ unsigned int crtc_w, crtc_h;
+ uint32_t src_x, src_y, src_w, src_h;
+ struct drm_rect *dst = &state->dst;
+ const struct drm_rect *clip = &state->clip;
+ bool primary_enabled;
+
+ /*
+ * If the sprite is completely covering the primary plane,
+ * we can disable the primary and save power.
+ */
+ primary_enabled = !drm_rect_equals(dst, clip) || colorkey_enabled(intel_plane);
+ WARN_ON(!primary_enabled && !state->visible && intel_crtc->active);
+
intel_plane->crtc_x = state->orig_dst.x1;
intel_plane->crtc_y = state->orig_dst.y1;
intel_plane->crtc_w = drm_rect_width(&state->orig_dst);
@@ -1295,8 +1309,6 @@ intel_commit_sprite_plane(struct drm_plane *plane,
intel_unpin_fb_obj(old_obj);
mutex_unlock(&dev->struct_mutex);
}
-
- return 0;
}

static int
@@ -1336,7 +1348,12 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
if (ret)
return ret;

- return intel_commit_sprite_plane(plane, &state);
+ ret = intel_prepare_sprite_plane(plane, &state);
+ if (ret)
+ return ret;
+
+ intel_commit_sprite_plane(plane, &state);
+ return 0;
}

static int
--
1.9.3