| Message ID | 1553667561-25447-24-git-send-email-yongqiang.niu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | add drm support for MT8183 | expand |
Hi, Yongqiang: On Wed, 2019-03-27 at 14:19 +0800, yongqiang.niu@mediatek.com wrote: > From: Yongqiang Niu <yongqiang.niu@mediatek.com> > > This patch add add vmap support for mediatek drm I think the upstreamed patch 'drm/mediatek: Implement gem prime vmap/vunmap function' [1] has the same function of this patch. You could cherry-pick that patch to your local and need not to upstream this patch. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/mediatek?h=v5.1-rc5&id=3df64d7b0a4f70f1797f23cfd4cca5c4d48131fe Regards, CK > > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 1 + > drivers/gpu/drm/mediatek/mtk_drm_gem.c | 7 +++++++ > drivers/gpu/drm/mediatek/mtk_drm_gem.h | 1 + > 3 files changed, 9 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index 84c6626..942789d 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -370,6 +370,7 @@ static void mtk_drm_kms_deinit(struct drm_device *drm) > .gem_prime_get_sg_table = mtk_gem_prime_get_sg_table, > .gem_prime_import_sg_table = mtk_gem_prime_import_sg_table, > .gem_prime_mmap = mtk_drm_gem_mmap_buf, > + .gem_prime_vmap = mtk_drm_gem_vmap_buf, > .fops = &mtk_drm_fops, > > .name = DRIVER_NAME, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c > index 259b7b0..c230237 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c > @@ -165,6 +165,13 @@ int mtk_drm_gem_mmap_buf(struct drm_gem_object *obj, struct vm_area_struct *vma) > return mtk_drm_gem_object_mmap(obj, vma); > } > > +void *mtk_drm_gem_vmap_buf(struct drm_gem_object *obj) > +{ > + struct mtk_drm_gem_obj *mtk_gem = to_mtk_gem_obj(obj); > + > + return mtk_gem->cookie; > +} > + > int mtk_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) > { > struct drm_gem_object *obj; > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.h b/drivers/gpu/drm/mediatek/mtk_drm_gem.h > index 534639b..3c48af9 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.h > @@ -49,6 +49,7 @@ int mtk_drm_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev, > int mtk_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); > int mtk_drm_gem_mmap_buf(struct drm_gem_object *obj, > struct vm_area_struct *vma); > +void *mtk_drm_gem_vmap_buf(struct drm_gem_object *obj); > struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj); > struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev, > struct dma_buf_attachment *attach, struct sg_table *sg);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 84c6626..942789d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -370,6 +370,7 @@ static void mtk_drm_kms_deinit(struct drm_device *drm) .gem_prime_get_sg_table = mtk_gem_prime_get_sg_table, .gem_prime_import_sg_table = mtk_gem_prime_import_sg_table, .gem_prime_mmap = mtk_drm_gem_mmap_buf, + .gem_prime_vmap = mtk_drm_gem_vmap_buf, .fops = &mtk_drm_fops, .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index 259b7b0..c230237 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -165,6 +165,13 @@ int mtk_drm_gem_mmap_buf(struct drm_gem_object *obj, struct vm_area_struct *vma) return mtk_drm_gem_object_mmap(obj, vma); } +void *mtk_drm_gem_vmap_buf(struct drm_gem_object *obj) +{ + struct mtk_drm_gem_obj *mtk_gem = to_mtk_gem_obj(obj); + + return mtk_gem->cookie; +} + int mtk_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) { struct drm_gem_object *obj; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.h b/drivers/gpu/drm/mediatek/mtk_drm_gem.h index 534639b..3c48af9 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.h @@ -49,6 +49,7 @@ int mtk_drm_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev, int mtk_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); int mtk_drm_gem_mmap_buf(struct drm_gem_object *obj, struct vm_area_struct *vma); +void *mtk_drm_gem_vmap_buf(struct drm_gem_object *obj); struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj); struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg);