Hi,
Everything looks fine to me, I just noticed that the amdgpu patches did
not apply smoothly, however it was trivial to fix the issues.
Reviewed-by: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx>
Melissa,
Since you are using vkms regularly, could you test this patch and review
it? Remember to add your Tested-by when you finish.
Thanks
On 07/07, Daniel Vetter wrote:
> This is needed to signal the fences from page flips, annotate it
> accordingly. We need to annotate entire timer callback since if we get
> stuck anywhere in there, then the timer stops, and hence fences stop.
> Just annotating the top part that does the vblank handling isn't
> enough.
>
> Cc: linux-media@xxxxxxxxxxxxxxx
> Cc: linaro-mm-sig@xxxxxxxxxxxxxxxx
> Cc: linux-rdma@xxxxxxxxxxxxxxx
> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Christian König <christian.koenig@xxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx>
> Cc: Haneen Mohammed <hamohammed.sa@xxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> ---
> drivers/gpu/drm/vkms/vkms_crtc.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c
> index ac85e17428f8..a53a40848a72 100644
> --- a/drivers/gpu/drm/vkms/vkms_crtc.c
> +++ b/drivers/gpu/drm/vkms/vkms_crtc.c
> @@ -1,5 +1,7 @@
> // SPDX-License-Identifier: GPL-2.0+
>
> +#include <linux/dma-fence.h>
> +
> #include <drm/drm_atomic.h>
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_probe_helper.h>
> @@ -14,7 +16,9 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer)
> struct drm_crtc *crtc = &output->crtc;
> struct vkms_crtc_state *state;
> u64 ret_overrun;
> - bool ret;
> + bool ret, fence_cookie;
> +
> + fence_cookie = dma_fence_begin_signalling();
>
> ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer,
> output->period_ns);
> @@ -49,6 +53,8 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer)
> DRM_DEBUG_DRIVER("Composer worker already queued\n");
> }
>
> + dma_fence_end_signalling(fence_cookie);
> +
> return HRTIMER_RESTART;
> }
>
> --
> 2.27.0
>
--
Rodrigo Siqueira
https://siqueira.tech
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