From: Inki Dae Date: Fri, 19 Oct 2012 08:16:36 +0000 (+0900) Subject: drm/exynos: add iommu support to fimd driver X-Git-Tag: v3.8-rc1~42^2~14^2~19 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bcc5cd1c5fad9b4471aafff0d74d9d0fcde1c27d;p=platform%2Fupstream%2Fkernel-adaptation-pc.git 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 Signed-off-by: Kyungmin Park --- diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index dcf3504..ad04edd 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,