> -----Original Message----- > From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf > Of Monk Liu > Sent: Wednesday, February 08, 2017 4:27 AM > To: amd-gfx at lists.freedesktop.org > Cc: Liu, Monk > Subject: [PATCH 09/11] drm/amdgpu:imple ring clear > > we can use it clear ring buffer instead of fullfill > 0, which is not correct for engine > > Change-Id: I89dcd7b6c4de558f9b2860209a2739c7d4af262d > Signed-off-by: Monk Liu <Monk.Liu at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h > b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h > index 0e57b04..3fd4ce8 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h > @@ -186,5 +186,12 @@ int amdgpu_ring_init(struct amdgpu_device *adev, > struct amdgpu_ring *ring, > unsigned ring_size, struct amdgpu_irq_src *irq_src, > unsigned irq_type); > void amdgpu_ring_fini(struct amdgpu_ring *ring); > +static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring) > +{ > + int i = 0; > + while (i <= ring->ptr_mask) > + ring->ring[i++] = ring->funcs->nop; > + > +} > > #endif > -- > 2.7.4 > > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
