From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v2 23/25] drm/mediatek: add vmap support for mediatek drm Date: Wed, 27 Mar 2019 14:19:19 +0800 Message-ID: <1553667561-25447-24-git-send-email-yongqiang.niu@mediatek.com> References: <1553667561-25447-1-git-send-email-yongqiang.niu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1553667561-25447-1-git-send-email-yongqiang.niu@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: ck.hu@mediatek.com, p.zabel@pengutronix.de, robh+dt@kernel.org, matthias.bgg@gmail.com Cc: airlied@linux.ie, mark.rutland@arm.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Bibby.Hsieh@mediatek.com, yt.shen@mediatek.com, Yongqiang Niu List-Id: devicetree@vger.kernel.org From: Yongqiang Niu This patch add add vmap support for mediatek drm Signed-off-by: Yongqiang Niu --- 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); -- 1.8.1.1.dirty