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| author |   Andrzej Hajda <a.hajda@samsung.com> | 2018-10-12 12:53:43 +0200 |
|---|---|---|
| committer |   Inki Dae <inki.dae@samsung.com> | 2018-12-04 13:23:17 +0900 |
| commit | 237556962e51150f89bdc8d04171a3619bfeaf8d (patch) | |
| tree | fcca6f2ffb2247f3143022cb206db129f11af13a /drivers/gpu/drm/exynos/exynos_drm_drv.h | |
| parent | drm/exynos/iommu: remove DRM_EXYNOS_IOMMU Kconfig symbol (diff) | |
| download | linux-dev-237556962e51150f89bdc8d04171a3619bfeaf8d.tar.xz linux-dev-237556962e51150f89bdc8d04171a3619bfeaf8d.zip | |
drm/exynos/iommu: integrate IOMMU/DMA internal API
Exynos DRM drivers should work with and without IOMMU. Providing common
API generic to both scenarios should make code cleaner and allow further
code improvements.
The patch removes including of exynos_drm_iommu.h as the file contains
mostly IOMMU specific stuff, instead it exposes exynos_drm_*_dma functions
and puts them into exynos_drm_dma.c.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 1d4c3c425404..71eb240bc1f4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -214,7 +214,16 @@ static inline struct device *to_dma_dev(struct drm_device *dev) return priv->dma_dev; } +static inline bool is_drm_iommu_supported(struct drm_device *drm_dev) +{ + struct exynos_drm_private *priv = drm_dev->dev_private; + + return priv->mapping ? true : false; +} + int exynos_drm_register_dma(struct drm_device *drm, struct device *dev); +void exynos_drm_unregister_dma(struct drm_device *drm, struct device *dev); +void exynos_drm_cleanup_dma(struct drm_device *drm); #ifdef CONFIG_DRM_EXYNOS_DPI struct drm_encoder *exynos_dpi_probe(struct device *dev); |