On Mon, Dec 08, 2014 at 02:09:16PM -0200, Paulo Zanoni wrote:
> From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>
> We need this for FBC, and possibly for PSR too.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Hm, this might fix some cursor update failures if userspace only pwrites
and doesn't follow suite with a cursor ioctl update call. Not sure this
ever happens, but definitely makes sense.
-Daniel
> ---
> drivers/gpu/drm/i915/i915_gem.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 7ef12e8..b8c906e 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -1117,6 +1117,10 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
> ret = i915_gem_phys_pwrite(obj, args, file);
> else
> ret = i915_gem_shmem_pwrite(dev, obj, args, file);
> +
> + intel_fb_obj_flush(obj, false, ORIGIN_CPU);
> + } else {
> + intel_fb_obj_flush(obj, false, ORIGIN_GTT);
> }
>
> out:
> --
> 2.1.3
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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