diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 96de5a33dbaf..d9e407d837b9 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -230,6 +230,28 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) #endif } +int intel_plane_check_stride(const struct intel_plane_state *plane_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + const struct drm_framebuffer *fb = plane_state->base.fb; + unsigned int rotation = plane_state->base.rotation; + u32 stride, max_stride; + + /* FIXME other color planes? */ + stride = plane_state->color_plane[0].stride; + max_stride = plane->max_stride(plane, fb->format->format, + fb->modifier, rotation); + + if (stride > max_stride) { + DRM_DEBUG_KMS("[FB:%d] stride (%d) exceeds [PLANE:%d:%s] max stride (%d)\n", + fb->base.id, stride, + plane->base.base.id, plane->base.name, max_stride); + return -EINVAL; + } + + return 0; +} + int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) { const struct drm_framebuffer *fb = plane_state->base.fb; |