[Intel-gfx] [PATCH] drm: i915: Wait for fences on new fb, not old

[Daniel Vetter]

On Fri, Oct 21, 2016 at 03:44:54PM +0100, Daniel Stone wrote:
> The previous code would wait for fences on the framebuffer from the old
> plane state to complete, rather than the new, so you would see tearing
> everywhere. Fix this to wait on the new state before we make it active.
> 
> Signed-off-by: Daniel Stone <daniels at collabora.com>
> Fixes: 94f050246b42 ("drm/i915: nonblocking commit")
> Cc: stable at vger.kernel.org
> Cc: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

Queued for -next, thanks for the patch.
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_display.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index e5ad101..1bdef9e 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -14292,7 +14292,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
>  
>  	for_each_plane_in_state(state, plane, plane_state, i) {
>  		struct intel_plane_state *intel_plane_state =
> -			to_intel_plane_state(plane_state);
> +			to_intel_plane_state(plane->state);
>  
>  		if (!intel_plane_state->wait_req)
>  			continue;
> -- 
> 2.9.3
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch