> -----Original Message----- > From: amd-gfx [mailto:[email protected]] On Behalf > Of Monk Liu > Sent: Friday, March 24, 2017 6:38 AM > To: [email protected] > Cc: Liu, Monk > Subject: [PATCH 10/13] drm/amdgpu:fix ring_write_multiple > > ring_write_multiple should use buf_mask instead of ptr_mask > > Change-Id: Ia249b6a1a990a6c3cba5c4048de6d604bb91d0ef > Signed-off-by: Monk Liu <[email protected]>
Reviewed-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h > b/drivers/gpu/drm/amd/amdgpu/amdgpu.h > index 2861aee..284af3a 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h > @@ -1804,9 +1804,9 @@ static inline void > amdgpu_ring_write_multiple(struct amdgpu_ring *ring, void *sr > if (ring->count_dw < count_dw) { > DRM_ERROR("amdgpu: writing more dwords to the ring than > expected!\n"); > } else { > - occupied = ring->wptr & ring->ptr_mask; > + occupied = ring->wptr & ring->buf_mask; > dst = (void *)&ring->ring[occupied]; > - chunk1 = ring->ptr_mask + 1 - occupied; > + chunk1 = ring->buf_mask + 1 - occupied; > chunk1 = (chunk1 >= count_dw) ? count_dw: chunk1; > chunk2 = count_dw - chunk1; > chunk1 <<= 2; > -- > 2.7.4 > > _______________________________________________ > amd-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
