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authorNancy.Lin <nancy.lin@mediatek.com>2023-03-21 20:18:56 +0800
committerChun-Kuang Hu <chunkuang.hu@kernel.org>2023-03-22 16:31:21 +0000
commitcb1d6bcca54261932948b9c55bd23daaae1606d4 (patch)
treeb8bcb39b0ea1937ad14063a208414481dec00067 /drivers/gpu/drm/mediatek/mtk_drm_crtc.h
parent453c3364632a1f305db7d425dc9f8d6711cd3491 (diff)
drm/mediatek: Add dma dev get function
This is a preparation for adding support for the ovl_adaptor sub driver Ovl_adaptor is a DRM sub driver, which doesn't have dma dev. Add dma_dev_get function for getting representative dma dev in ovl_adaptor. Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com> Reviewed-by: AngeloGioachino Del Regno <angelogioacchino.delregno@collabora.com> Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Tested-by: Bo-Chen Chen <rex-bc.chen@mediatek.com> Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230321121859.2355-5-nancy.lin@mediatek.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_crtc.h')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_crtc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
index cb9a36c48d4f..f5a6e80c5265 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
@@ -22,5 +22,6 @@ int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane,
struct mtk_plane_state *state);
void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane,
struct drm_atomic_state *plane_state);
+struct device *mtk_drm_crtc_dma_dev_get(struct drm_crtc *crtc);
#endif /* MTK_DRM_CRTC_H */