From mboxrd@z Thu Jan 1 00:00:00 1970 From: Inki Dae Subject: [PATCH 2/3] drm/exynos: add iommu support to fimd driver Date: Sat, 20 Oct 2012 09:18:50 -0700 Message-ID: <1350749931-9232-3-git-send-email-daeinki@gmail.com> References: <1350749931-9232-1-git-send-email-daeinki@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pa0-f49.google.com (mail-pa0-f49.google.com [209.85.220.49]) by gabe.freedesktop.org (Postfix) with ESMTP id 9D1459E9AF for ; Sat, 20 Oct 2012 09:19:30 -0700 (PDT) Received: by mail-pa0-f49.google.com with SMTP id bi5so1003005pad.36 for ; Sat, 20 Oct 2012 09:19:30 -0700 (PDT) In-Reply-To: <1350749931-9232-1-git-send-email-daeinki@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: airlied@linux.ie, dri-devel@lists.freedesktop.org Cc: kyungmin.park@samsung.com, sw0312.kim@samsung.com List-Id: dri-devel@lists.freedesktop.org From: Inki Dae 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 --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index a328379..1f668ff 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 @@ -709,6 +710,10 @@ 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; } @@ -716,7 +721,9 @@ 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, -- 1.8.0.rc3.16.g8ead1bf