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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>
This commit is contained in:
Inki Dae 2012-10-19 17:16:36 +09:00 committed by Inki Dae
parent 0519f9a12d
commit bcc5cd1c5f
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/exynos/exynos_drm_fimd.c
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@ -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,