On 07/07/2020 23:12, Daniel Vetter wrote:
> Ends right after hw_done(), totally standard case.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Jyri Sarha <jsarha@xxxxxx>
> Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Acked-by: Jyri Sarha <jsarha@xxxxxx>
> ---
> drivers/gpu/drm/tidss/tidss_kms.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/tidss/tidss_kms.c b/drivers/gpu/drm/tidss/tidss_kms.c
> index b6e61d6cf60f..556bc801b77c 100644
> --- a/drivers/gpu/drm/tidss/tidss_kms.c
> +++ b/drivers/gpu/drm/tidss/tidss_kms.c
> @@ -4,6 +4,8 @@
> * Author: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> */
>
> +#include <linux/dma-fence.h>
> +
> #include <drm/drm_atomic.h>
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_bridge.h>
> @@ -26,6 +28,7 @@ static void tidss_atomic_commit_tail(struct drm_atomic_state *old_state)
> {
> struct drm_device *ddev = old_state->dev;
> struct tidss_device *tidss = to_tidss(ddev);
> + bool fence_cookie = dma_fence_begin_signalling();
>
> dev_dbg(ddev->dev, "%s\n", __func__);
>
> @@ -36,6 +39,7 @@ static void tidss_atomic_commit_tail(struct drm_atomic_state *old_state)
> drm_atomic_helper_commit_modeset_enables(ddev, old_state);
>
> drm_atomic_helper_commit_hw_done(old_state);
> + dma_fence_end_signalling(fence_cookie);
> drm_atomic_helper_wait_for_flip_done(ddev, old_state);
>
> drm_atomic_helper_cleanup_planes(ddev, old_state);
>
--
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