On Tue, Feb 20, 2018 at 01:42:07PM +0000, Chris Wilson wrote:
> Use the information about the fence state from the time of pinning to
> determine if the fbdev writes are going through a fence. This avoids any
> confusion in cases where the fence may appear or disappear unconnected
> to the use by fbdev.
>
> Suggested-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_fbdev.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> index 3d8ce3a62743..055f409f8b75 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -48,7 +48,8 @@
> static void intel_fbdev_invalidate(struct intel_fbdev *ifbdev)
> {
> struct drm_i915_gem_object *obj = ifbdev->fb->obj;
> - unsigned int origin = ifbdev->vma->fence ? ORIGIN_GTT : ORIGIN_CPU;
> + unsigned int origin =
> + ifbdev->vma_flags & PLANE_HAS_FENCE ? ORIGIN_GTT : ORIGIN_CPU;
>
> intel_fb_obj_invalidate(obj, origin);
> }
> --
> 2.16.1
--
Ville Syrjälä
Intel OTC
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