diff options
| author | Inki Dae <inki.dae@samsung.com> | 2012-10-19 17:16:36 +0900 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2012-11-29 03:30:35 -0800 |
| commit | bcc5cd1c5fad9b4471aafff0d74d9d0fcde1c27d (patch) | |
| tree | 24bad8971cf6838748b3809b5ee058ca8dd9bc30 /drivers/gpu | |
| parent | 0519f9a12d0113caab78980c48a7902d2bd40c2c (diff) | |
| download | linux-bcc5cd1c5fad9b4471aafff0d74d9d0fcde1c27d.tar.gz | |
drm/exynos: add iommu support to fimd driver
The iommu will be enabled when fimd sub driver is probed and will be disabled when removed. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index dcf3504ebab7..ad04eddfa405 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -25,6 +25,7 @@ #include "exynos_drm_drv.h" #include "exynos_drm_fbdev.h" #include "exynos_drm_crtc.h" +#include "exynos_drm_iommu.h" /* * FIMD is stand for Fully Interactive Mobile Display and @@ -691,6 +692,10 @@ static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev) */ drm_dev->vblank_disable_allowed = 1; + /* attach this sub driver to iommu mapping if supported. */ + if (is_drm_iommu_supported(drm_dev)) + drm_iommu_attach_device(drm_dev, dev); + return 0; } @@ -698,7 +703,9 @@ static void fimd_subdrv_remove(struct drm_device *drm_dev, struct device *dev) { DRM_DEBUG_KMS("%s\n", __FILE__); - /* TODO. */ + /* detach this sub driver from iommu mapping if supported. */ + if (is_drm_iommu_supported(drm_dev)) + drm_iommu_detach_device(drm_dev, dev); } static int fimd_calc_clkdiv(struct fimd_context *ctx, |