On 07/12, Rodrigo Siqueira wrote:
> 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 <rodrigosiqueiram...@gmail.com>
>
> Melissa,
> Since you are using vkms regularly, could you test this patch and review
> it? Remember to add your Tested-by when you finish.
>
Hi,
I've applied the patch series, ran some tests on vkms, and found no
issues. I mean, things have remained stable.
Tested-by: Melissa Wen <melissa....@gmail.com>
> 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-me...@vger.kernel.org
> > Cc: linaro-mm-...@lists.linaro.org
> > Cc: linux-r...@vger.kernel.org
> > Cc: amd-...@lists.freedesktop.org
> > Cc: intel-...@lists.freedesktop.org
> > Cc: Chris Wilson <ch...@chris-wilson.co.uk>
> > Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> > Cc: Christian König <christian.koe...@amd.com>
> > Signed-off-by: Daniel Vetter <daniel.vet...@intel.com>
> > Cc: Rodrigo Siqueira <rodrigosiqueiram...@gmail.com>
> > Cc: Haneen Mohammed <hamohammed...@gmail.com>
> > Cc: Daniel Vetter <dan...@ffwll.ch>
> > ---
> > 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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