Ping... can someone please review this patch? Samuel Li > -----Original Message----- > From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf > Of Samuel Li > Sent: Friday, December 15, 2017 11:28 AM > To: dri-devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org > Cc: Koenig, Christian <Christian.Koenig at amd.com> > Subject: [PATCH 1/3] drm/prime: forward begin_cpu_access callback to > drivers > > From: Christian König <christian.koenig at amd.com> > > Allow drivers to implement their own begin_cpu_access callback. > > Change-Id: I97709b42b9351a04ee7e01106107a87bc56ea258 > Signed-off-by: Christian König <christian.koenig at amd.com> > --- > drivers/gpu/drm/drm_prime.c | 13 +++++++++++++ > include/drm/drm_drv.h | 2 ++ > 2 files changed, 15 insertions(+) > > diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c > index 8de93a2..b4b0e64 100644 > --- a/drivers/gpu/drm/drm_prime.c > +++ b/drivers/gpu/drm/drm_prime.c > @@ -346,6 +346,18 @@ void drm_gem_dmabuf_release(struct dma_buf > *dma_buf) } EXPORT_SYMBOL(drm_gem_dmabuf_release); > > +static int drm_gem_dmabuf_begin_cpu_access(struct dma_buf *dma_buf, > + enum dma_data_direction > direction) { > + struct drm_gem_object *obj = dma_buf->priv; > + struct drm_device *dev = obj->dev; > + > + if (!dev->driver->gem_prime_begin_cpu_access) > + return 0; > + > + return dev->driver->gem_prime_begin_cpu_access(obj, direction); } > + > static void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf) { > struct drm_gem_object *obj = dma_buf->priv; @@ -403,6 +415,7 > @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { > .map_dma_buf = drm_gem_map_dma_buf, > .unmap_dma_buf = drm_gem_unmap_dma_buf, > .release = drm_gem_dmabuf_release, > + .begin_cpu_access = drm_gem_dmabuf_begin_cpu_access, > .map = drm_gem_dmabuf_kmap, > .map_atomic = drm_gem_dmabuf_kmap_atomic, > .unmap = drm_gem_dmabuf_kunmap, > diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index > 412e83a..1fbf298 100644 > --- a/include/drm/drm_drv.h > +++ b/include/drm/drm_drv.h > @@ -475,6 +475,8 @@ struct drm_driver { > struct drm_device *dev, > struct dma_buf_attachment *attach, > struct sg_table *sgt); > + int (*gem_prime_begin_cpu_access)(struct drm_gem_object *obj, > + enum dma_data_direction > direction); > void *(*gem_prime_vmap)(struct drm_gem_object *obj); > void (*gem_prime_vunmap)(struct drm_gem_object *obj, void > *vaddr); > int (*gem_prime_mmap)(struct drm_gem_object *obj, > -- > 2.7.4 > > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
