From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 11 Dec 2013 10:34:46 +0000 (+0100)
Subject: drm: Kill DRM_SUSER
X-Git-Tag: upstream/snapshot3+hdmi~3525^2~53
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4cda878b129aa873bc7c83c61f2a8d830b138de6;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

drm: Kill DRM_SUSER

Checking directly for the right capability is simpler. Also this rids
us of a few places that use DRM_CURRENTPID.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 15b86a9..99aab86 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -593,7 +593,7 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
 	if (start_page > bo->num_pages)
 		return -EINVAL;
 #if 0
-	if (num_pages > 1 && !DRM_SUSER(DRM_CURPROC))
+	if (num_pages > 1 && !capable(CAP_SYS_ADMIN))
 		return -EPERM;
 #endif
 	(void) ttm_mem_io_lock(man, false);
diff --git a/drivers/gpu/drm/via/via_dma.c b/drivers/gpu/drm/via/via_dma.c
index 5d41792..a18479c 100644
--- a/drivers/gpu/drm/via/via_dma.c
+++ b/drivers/gpu/drm/via/via_dma.c
@@ -234,13 +234,13 @@ static int via_dma_init(struct drm_device *dev, void *data, struct drm_file *fil
 
 	switch (init->func) {
 	case VIA_INIT_DMA:
-		if (!DRM_SUSER(DRM_CURPROC))
+		if (!capable(CAP_SYS_ADMIN))
 			retcode = -EPERM;
 		else
 			retcode = via_initialize(dev, dev_priv, init);
 		break;
 	case VIA_CLEANUP_DMA:
-		if (!DRM_SUSER(DRM_CURPROC))
+		if (!capable(CAP_SYS_ADMIN))
 			retcode = -EPERM;
 		else
 			retcode = via_dma_cleanup(dev);
diff --git a/include/drm/drm_os_linux.h b/include/drm/drm_os_linux.h
index 4300893..86ab99b 100644
--- a/include/drm/drm_os_linux.h
+++ b/include/drm/drm_os_linux.h
@@ -21,7 +21,6 @@ static inline void writeq(u64 val, void __iomem *reg)
 
 /** Current process ID */
 #define DRM_CURRENTPID			task_pid_nr(current)
-#define DRM_SUSER(p)			capable(CAP_SYS_ADMIN)
 #define DRM_UDELAY(d)			udelay(d)
 /** Read a byte from a MMIO region */
 #define DRM_READ8(map, offset)		readb(((void __iomem *)(map)->handle) + (offset))