It can't fail and there's even a WARN_ON suggesting that if it would,
it would be a disaster.
Correct this to make things less confusing.
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 184725770ae7..2c9d822b29b6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2243,7 +2243,7 @@ intel_fb_align_height(struct drm_device *dev, unsigned int height,
fb_format_modifier, 0));
}
-static int
+static void
intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb,
const struct drm_plane_state *plane_state)
{
@@ -2253,10 +2253,10 @@ intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb,
*view = i915_ggtt_view_normal;
if (!plane_state)
- return 0;
+ return;
if (!intel_rotation_90_or_270(plane_state->rotation))
- return 0;
+ return;
*view = i915_ggtt_view_rotated;
@@ -2283,8 +2283,6 @@ intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb,
info->size_uv = info->width_pages_uv * info->height_pages_uv *
PAGE_SIZE;
}
-
- return 0;
}
static unsigned int intel_linear_alignment(struct drm_i915_private *dev_priv)
@@ -2340,9 +2338,7 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
return -EINVAL;
}
- ret = intel_fill_fb_ggtt_view(&view, fb, plane_state);
- if (ret)
- return ret;
+ intel_fill_fb_ggtt_view(&view, fb, plane_state);
/* Note that the w/a also requires 64 PTE of padding following the
* bo. We currently fill all unused PTE with the shadow page and so
@@ -2406,12 +2402,10 @@ static void intel_unpin_fb_obj(struct drm_framebuffer *fb,
{
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
struct i915_ggtt_view view;
- int ret;
WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex));
- ret = intel_fill_fb_ggtt_view(&view, fb, plane_state);
- WARN_ONCE(ret, "Couldn't get view from plane state!");
+ intel_fill_fb_ggtt_view(&view, fb, plane_state);
i915_gem_object_unpin_fence(obj);
i915_gem_object_unpin_from_display_plane(obj, &view);
--
2.5.1
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