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| author | Inki Dae <inki.dae@samsung.com> | 2011-11-12 15:23:32 +0900 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2011-11-15 14:58:46 +0900 |
| commit | 2c871127e994a678b82104a4110eb7fcc87f05ad (patch) | |
| tree | 76ec83f5dc4232b57202eb916009932ed1b471bc /drivers/gpu/drm/exynos/exynos_drm_buf.h | |
| parent | c7493668eeced636afabfed57dfead8329c3d7fa (diff) | |
| download | linux-3.10-2c871127e994a678b82104a4110eb7fcc87f05ad.tar.gz linux-3.10-2c871127e994a678b82104a4110eb7fcc87f05ad.tar.bz2 linux-3.10-2c871127e994a678b82104a4110eb7fcc87f05ad.zip | |
drm/exynos: changed buffer structure.
the purpose of this patch is to consider IOMMU support in the future.
EXYNOS4 SoC supports IOMMU also so the address for DMA could be
physical address with IOMMU or device address with IOMMU.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_buf.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_buf.h | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.h b/drivers/gpu/drm/exynos/exynos_drm_buf.h index 045d59eab01..6e91f9caa5d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.h +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.h @@ -26,28 +26,15 @@ #ifndef _EXYNOS_DRM_BUF_H_ #define _EXYNOS_DRM_BUF_H_ -/* - * exynos drm buffer entry structure. - * - * @paddr: physical address of allocated memory. - * @vaddr: kernel virtual address of allocated memory. - * @size: size of allocated memory. - */ -struct exynos_drm_buf_entry { - dma_addr_t paddr; - void __iomem *vaddr; - unsigned int size; -}; - /* allocate physical memory. */ -struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev, +struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev, unsigned int size); -/* get physical memory information of a drm framebuffer. */ -struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb); +/* get memory information of a drm framebuffer. */ +struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb); /* remove allocated physical memory. */ void exynos_drm_buf_destroy(struct drm_device *dev, - struct exynos_drm_buf_entry *entry); + struct exynos_drm_gem_buf *buffer); #endif |