1 files changed, 67 insertions, 65 deletions

diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c
index 6610c5576d22..50e32384ad93 100644
--- a/drivers/char/drm/sis_mm.c
+++ b/drivers/char/drm/sis_mm.c
@@ -10,11 +10,11 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
@@ -22,10 +22,10 @@
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
- * 
+ *
  * Authors:
  *    Sung-Ching Lin <sclin@sis.com.tw>
- * 
+ *
  */
 
 #include "drmP.h"
@@ -37,25 +37,23 @@
 #endif
 
 #define MAX_CONTEXT 100
-#define VIDEO_TYPE 0 
+#define VIDEO_TYPE 0
 #define AGP_TYPE 1
 
 typedef struct {
         int used;
         int context;
-        set_t *sets[2]; /* 0 for video, 1 for AGP */
+        set_t *sets[2];         /* 0 for video, 1 for AGP */
 } sis_context_t;
 
 static sis_context_t global_ppriv[MAX_CONTEXT];
 
-
 static int add_alloc_set(int context, int type, unsigned int val)
 {
         int i, retval = 0;
-        
+
         for (i = 0; i < MAX_CONTEXT; i++) {
-                if (global_ppriv[i].used && global_ppriv[i].context == context)
-                {
+                if (global_ppriv[i].used && global_ppriv[i].context == context) {
                         retval = setAdd(global_ppriv[i].sets[type], val);
                         break;
                 }
@@ -64,12 +62,11 @@ static int add_alloc_set(int context, int type, unsigned int val)
 }
 
 static int del_alloc_set(int context, int type, unsigned int val)
-{  
+{
         int i, retval = 0;
 
         for (i = 0; i < MAX_CONTEXT; i++) {
-                if (global_ppriv[i].used && global_ppriv[i].context == context)
-                {
+                if (global_ppriv[i].used && global_ppriv[i].context == context) {
                         retval = setDel(global_ppriv[i].sets[type], val);
                         break;
                 }
@@ -77,15 +74,15 @@ static int del_alloc_set(int context, int type, unsigned int val)
         return retval;
 }
 
-/* fb management via fb device */ 
+/* fb management via fb device */
 #if defined(__linux__) && defined(CONFIG_FB_SIS)
 
-static int sis_fb_init( DRM_IOCTL_ARGS )
+static int sis_fb_init(DRM_IOCTL_ARGS)
 {
         return 0;
 }
 
-static int sis_fb_alloc( DRM_IOCTL_ARGS )
+static int sis_fb_alloc(DRM_IOCTL_ARGS)
 {
         drm_sis_mem_t fb;
         struct sis_memreq req;
@@ -105,7 +102,7 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
                         sis_free(req.offset);
                         retval = DRM_ERR(EINVAL);
                 }
-        } else {  
+        } else {
                 fb.offset = 0;
                 fb.size = 0;
                 fb.free = 0;
@@ -118,19 +115,19 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
         return retval;
 }
 
-static int sis_fb_free( DRM_IOCTL_ARGS )
+static int sis_fb_free(DRM_IOCTL_ARGS)
 {
         drm_sis_mem_t fb;
         int retval = 0;
 
-        DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb));
+        DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb));
 
         if (!fb.free)
                 return DRM_ERR(EINVAL);
 
         if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
                 retval = DRM_ERR(EINVAL);
-        sis_free((u32)fb.free);
+        sis_free((u32) fb.free);
 
         DRM_DEBUG("free fb, offset = %lu\n", fb.free);
 
@@ -149,17 +146,17 @@ static int sis_fb_free( DRM_IOCTL_ARGS )
  *    X driver/sisfb                                  HW-   Command-
  *  framebuffer memory           DRI heap           Cursor   queue
  */
-static int sis_fb_init( DRM_IOCTL_ARGS )
+static int sis_fb_init(DRM_IOCTL_ARGS)
 {
         DRM_DEVICE;
         drm_sis_private_t *dev_priv = dev->dev_private;
         drm_sis_fb_t fb;
 
-        DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *)data, sizeof(fb));
+        DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *) data, sizeof(fb));
 
         if (dev_priv == NULL) {
                 dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t),
-                    DRM_MEM_DRIVER);
+                                              DRM_MEM_DRIVER);
                 dev_priv = dev->dev_private;
                 if (dev_priv == NULL)
                         return ENOMEM;
@@ -175,7 +172,7 @@ static int sis_fb_init( DRM_IOCTL_ARGS )
         return 0;
 }
 
-static int sis_fb_alloc( DRM_IOCTL_ARGS )
+static int sis_fb_alloc(DRM_IOCTL_ARGS)
 {
         DRM_DEVICE;
         drm_sis_private_t *dev_priv = dev->dev_private;
@@ -186,9 +183,9 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
 
         if (dev_priv == NULL || dev_priv->FBHeap == NULL)
                 return DRM_ERR(EINVAL);
-  
+
         DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb));
-  
+
         block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0);
         if (block) {
                 /* TODO */
@@ -196,7 +193,7 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
                 fb.free = (unsigned long)block;
                 if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) {
                         DRM_DEBUG("adding to allocation set fails\n");
-                        mmFreeMem((PMemBlock)fb.free);
+                        mmFreeMem((PMemBlock) fb.free);
                         retval = DRM_ERR(EINVAL);
                 }
         } else {
@@ -212,7 +209,7 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
         return retval;
 }
 
-static int sis_fb_free( DRM_IOCTL_ARGS )
+static int sis_fb_free(DRM_IOCTL_ARGS)
 {
         DRM_DEVICE;
         drm_sis_private_t *dev_priv = dev->dev_private;
@@ -221,14 +218,14 @@ static int sis_fb_free( DRM_IOCTL_ARGS )
         if (dev_priv == NULL || dev_priv->FBHeap == NULL)
                 return DRM_ERR(EINVAL);
 
-        DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb));
+        DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb));
 
-        if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock)fb.free))
+        if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock) fb.free))
                 return DRM_ERR(EINVAL);
 
         if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
                 return DRM_ERR(EINVAL);
-        mmFreeMem((PMemBlock)fb.free);
+        mmFreeMem((PMemBlock) fb.free);
 
         DRM_DEBUG("free fb, free = 0x%lx\n", fb.free);
 
@@ -237,9 +234,9 @@ static int sis_fb_free( DRM_IOCTL_ARGS )
 
 #endif
 
-/* agp memory management */ 
+/* agp memory management */
 
-static int sis_ioctl_agp_init( DRM_IOCTL_ARGS )
+static int sis_ioctl_agp_init(DRM_IOCTL_ARGS)
 {
         DRM_DEVICE;
         drm_sis_private_t *dev_priv = dev->dev_private;
@@ -247,7 +244,7 @@ static int sis_ioctl_agp_init( DRM_IOCTL_ARGS )
 
         if (dev_priv == NULL) {
                 dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t),
-                    DRM_MEM_DRIVER);
+                                              DRM_MEM_DRIVER);
                 dev_priv = dev->dev_private;
                 if (dev_priv == NULL)
                         return ENOMEM;
@@ -256,16 +253,17 @@ static int sis_ioctl_agp_init( DRM_IOCTL_ARGS )
         if (dev_priv->AGPHeap != NULL)
                 return DRM_ERR(EINVAL);
 
-        DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *)data, sizeof(agp));
+        DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *) data,
+                                 sizeof(agp));
 
         dev_priv->AGPHeap = mmInit(agp.offset, agp.size);
 
         DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size);
-  
+
         return 0;
 }
 
-static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
+static int sis_ioctl_agp_alloc(DRM_IOCTL_ARGS)
 {
         DRM_DEVICE;
         drm_sis_private_t *dev_priv = dev->dev_private;
@@ -273,12 +271,12 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
         drm_sis_mem_t agp;
         PMemBlock block;
         int retval = 0;
-   
+
         if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
                 return DRM_ERR(EINVAL);
-  
+
         DRM_COPY_FROM_USER_IOCTL(agp, argp, sizeof(agp));
-  
+
         block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0);
         if (block) {
                 /* TODO */
@@ -286,10 +284,10 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
                 agp.free = (unsigned long)block;
                 if (!add_alloc_set(agp.context, AGP_TYPE, agp.free)) {
                         DRM_DEBUG("adding to allocation set fails\n");
-                        mmFreeMem((PMemBlock)agp.free);
+                        mmFreeMem((PMemBlock) agp.free);
                         retval = -1;
                 }
-        } else {  
+        } else {
                 agp.offset = 0;
                 agp.size = 0;
                 agp.free = 0;
@@ -302,7 +300,7 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
         return retval;
 }
 
-static int sis_ioctl_agp_free( DRM_IOCTL_ARGS )
+static int sis_ioctl_agp_free(DRM_IOCTL_ARGS)
 {
         DRM_DEVICE;
         drm_sis_private_t *dev_priv = dev->dev_private;
@@ -311,12 +309,13 @@ static int sis_ioctl_agp_free( DRM_IOCTL_ARGS )
         if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
                 return DRM_ERR(EINVAL);
 
-        DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *)data, sizeof(agp));
+        DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *) data,
+                                 sizeof(agp));
 
-        if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock)agp.free))
+        if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock) agp.free))
                 return DRM_ERR(EINVAL);
 
-        mmFreeMem((PMemBlock)agp.free);
+        mmFreeMem((PMemBlock) agp.free);
         if (!del_alloc_set(agp.context, AGP_TYPE, agp.free))
                 return DRM_ERR(EINVAL);
 
@@ -329,31 +328,30 @@ int sis_init_context(struct drm_device *dev, int context)
 {
         int i;
 
-        for (i = 0; i < MAX_CONTEXT ; i++) {
+        for (i = 0; i < MAX_CONTEXT; i++) {
                 if (global_ppriv[i].used &&
                     (global_ppriv[i].context == context))
                         break;
         }
 
         if (i >= MAX_CONTEXT) {
-                for (i = 0; i < MAX_CONTEXT ; i++) {
+                for (i = 0; i < MAX_CONTEXT; i++) {
                         if (!global_ppriv[i].used) {
                                 global_ppriv[i].context = context;
                                 global_ppriv[i].used = 1;
                                 global_ppriv[i].sets[0] = setInit();
                                 global_ppriv[i].sets[1] = setInit();
                                 DRM_DEBUG("init allocation set, socket=%d, "
-                                    "context = %d\n", i, context);
+                                          "context = %d\n", i, context);
                                 break;
                         }
                 }
                 if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
-                    (global_ppriv[i].sets[1] == NULL))
-                {
+                    (global_ppriv[i].sets[1] == NULL)) {
                         return 0;
                 }
         }
-        
+
         return 1;
 }
 
@@ -361,7 +359,7 @@ int sis_final_context(struct drm_device *dev, int context)
 {
         int i;
 
-        for (i=0; i<MAX_CONTEXT; i++) {
+        for (i = 0; i < MAX_CONTEXT; i++) {
                 if (global_ppriv[i].used &&
                     (global_ppriv[i].context == context))
                         break;
@@ -382,7 +380,7 @@ int sis_final_context(struct drm_device *dev, int context)
 #if defined(__linux__) && defined(CONFIG_FB_SIS)
                         sis_free(item);
 #else
-                        mmFreeMem((PMemBlock)item);
+                        mmFreeMem((PMemBlock) item);
 #endif
                         retval = setNext(set, &item);
                 }
@@ -393,25 +391,29 @@ int sis_final_context(struct drm_device *dev, int context)
                 retval = setFirst(set, &item);
                 while (retval) {
                         DRM_DEBUG("free agp memory 0x%x\n", item);
-                        mmFreeMem((PMemBlock)item);
+                        mmFreeMem((PMemBlock) item);
                         retval = setNext(set, &item);
                 }
                 setDestroy(set);
 
-                global_ppriv[i].used = 0;         
-        }
-        
+                global_ppriv[i].used = 0;
+        }
+
         return 1;
 }
 
 drm_ioctl_desc_t sis_ioctls[] = {
-        [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)]  = { sis_fb_alloc,        1, 0 },
-        [DRM_IOCTL_NR(DRM_SIS_FB_FREE)]   = { sis_fb_free,         1, 0 },
-        [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)]  = { sis_ioctl_agp_init,  1, 1 },
-        [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = { sis_ioctl_agp_alloc, 1, 0 },
-        [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)]  = { sis_ioctl_agp_free,  1, 0 },
-        [DRM_IOCTL_NR(DRM_SIS_FB_INIT)]   = { sis_fb_init,         1, 1 }
+        [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = {sis_fb_alloc, 1, 0}
+        ,
+        [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_fb_free, 1, 0}
+        ,
+        [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = {sis_ioctl_agp_init, 1, 1}
+        ,
+        [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = {sis_ioctl_agp_alloc, 1, 0}
+        ,
+        [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_ioctl_agp_free, 1, 0}
+        ,
+        [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = {sis_fb_init, 1, 1}
 };
 
 int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls);
-