Just a quick tidy now to make the next patch neater.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 38 ++++++++++++++++++++----------------
1 file changed, 21 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index cb52116f8577..4d578dc6d23f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14130,6 +14130,17 @@ static int intel_atomic_check(struct drm_device *dev,
return calc_watermark_data(state);
}
+static bool old_plane_needs_modeset(struct drm_plane *plane,
+ struct drm_plane_state *new_state)
+{
+ struct drm_crtc_state *crtc_state;
+
+ crtc_state = drm_atomic_get_existing_crtc_state(new_state->state,
+ plane->state->crtc);
+
+ return needs_modeset(crtc_state);
+}
+
/**
* intel_prepare_plane_fb - Prepare fb for usage on plane
* @plane: drm plane to prepare for
@@ -14153,16 +14164,11 @@ intel_prepare_plane_fb(struct drm_plane *plane,
struct drm_i915_private *dev_priv = to_i915(plane->dev);
struct drm_framebuffer *fb = new_state->fb;
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
- struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->state->fb);
int ret;
- if (!obj && !old_obj)
- return 0;
-
- if (old_obj) {
- struct drm_crtc_state *crtc_state =
- drm_atomic_get_existing_crtc_state(new_state->state,
- plane->state->crtc);
+ if (plane->state->fb && old_plane_needs_modeset(plane, new_state)) {
+ struct drm_i915_gem_object *old_obj =
+ intel_fb_obj(plane->state->fb);
/* Big Hammer, we also need to ensure that any pending
* MI_WAIT_FOR_EVENT inside a user batch buffer on the
@@ -14175,14 +14181,12 @@ intel_prepare_plane_fb(struct drm_plane *plane,
* This should only fail upon a hung GPU, in which case we
* can safely continue.
*/
- if (needs_modeset(crtc_state)) {
- ret = i915_sw_fence_await_reservation(&intel_state->commit_ready,
- old_obj->resv, NULL,
- false, 0,
- GFP_KERNEL);
- if (ret < 0)
- return ret;
- }
+ ret = i915_sw_fence_await_reservation(&intel_state->commit_ready,
+ old_obj->resv, NULL,
+ false, 0,
+ GFP_KERNEL);
+ if (ret < 0)
+ return ret;
}
if (new_state->fence) { /* explicit fencing */
@@ -14221,7 +14225,7 @@ intel_prepare_plane_fb(struct drm_plane *plane,
vma = intel_pin_and_fence_fb_obj(fb, new_state->rotation);
if (IS_ERR(vma))
- ret = PTR_ERR(vma);
+ return PTR_ERR(vma);
to_intel_plane_state(new_state)->vma = vma;
}
--
2.10.2
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