drm/radeon: Fix style issues in radeon _encoders.c & _gart.c

Conform to Linux kernel coding style.

Fixes the following & other checks in radeon_encoders.c & radeon_gart.c:

WARNING: Missing a blank line after declarations
WARNING: Block comments use * on subsequent lines
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
WARNING: braces {} are not necessary for single statement blocks

Cc: Christian König <[e-mail]>
Cc: Alex Deucher <[e-mail]>
Signed-off-by: Srinivasan Shanmugam <[e-mail]>
Reviewed-by: Guchun Chen <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/radeon/radeon_encoders.c

···
 	count = -1;
 	list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
 		struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
+
 		count++;
 
 		if (clone_encoder == encoder)
···
 			if (ASIC_IS_AVIVO(rdev))
 				ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
 			else {
-				/*if (rdev->family == CHIP_R200)
-				  ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
-				  else*/
+				/* if (rdev->family == CHIP_R200)
+				 * ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
+				 * else
+				 */
 				ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
 			}
 			break;
···
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->encoder == encoder) {
 			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
 			radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices;
 			DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
 				  radeon_encoder->active_device, radeon_encoder->devices,
···
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
-	unsigned hblank = native_mode->htotal - native_mode->hdisplay;
-	unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
-	unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
-	unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
-	unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
-	unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
+	unsigned int hblank = native_mode->htotal - native_mode->hdisplay;
+	unsigned int vblank = native_mode->vtotal - native_mode->vdisplay;
+	unsigned int hover = native_mode->hsync_start - native_mode->hdisplay;
+	unsigned int vover = native_mode->vsync_start - native_mode->vdisplay;
+	unsigned int hsync_width = native_mode->hsync_end - native_mode->hsync_start;
+	unsigned int vsync_width = native_mode->vsync_end - native_mode->vsync_start;
 
 	adjusted_mode->clock = native_mode->clock;
 	adjusted_mode->flags = native_mode->flags;
···
 bool radeon_encoder_is_digital(struct drm_encoder *encoder)
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+
 	switch (radeon_encoder->encoder_id) {
 	case ENCODER_OBJECT_ID_INTERNAL_LVDS:
 	case ENCODER_OBJECT_ID_INTERNAL_TMDS1:

drivers/gpu/drm/radeon/radeon_gart.c

···
 
 	ptr = dma_alloc_coherent(&rdev->pdev->dev, rdev->gart.table_size,
 				 &rdev->gart.table_addr, GFP_KERNEL);
-	if (ptr == NULL) {
+	if (!ptr)
 		return -ENOMEM;
-	}
+
 #ifdef CONFIG_X86
 	if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480 ||
 	    rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
···
  */
 void radeon_gart_table_ram_free(struct radeon_device *rdev)
 {
-	if (rdev->gart.ptr == NULL) {
+	if (!rdev->gart.ptr)
 		return;
-	}
+
 #ifdef CONFIG_X86
 	if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480 ||
 	    rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
···
 		r = radeon_bo_create(rdev, rdev->gart.table_size,
 				     PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
 				     0, NULL, NULL, &rdev->gart.robj);
-		if (r) {
+		if (r)
 			return r;
-		}
 	}
 	return 0;
 }
···
 {
 	int r;
 
-	if (rdev->gart.robj == NULL) {
+	if (!rdev->gart.robj)
 		return;
-	}
+
 	r = radeon_bo_reserve(rdev->gart.robj, false);
 	if (likely(r == 0)) {
 		radeon_bo_kunmap(rdev->gart.robj);
···
  */
 void radeon_gart_table_vram_free(struct radeon_device *rdev)
 {
-	if (rdev->gart.robj == NULL) {
+	if (!rdev->gart.robj)
 		return;
-	}
+
 	radeon_bo_unref(&rdev->gart.robj);
 }
 
···
  * Unbinds the requested pages from the gart page table and
  * replaces them with the dummy page (all asics).
  */
-void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
+void radeon_gart_unbind(struct radeon_device *rdev, unsigned int offset,
 			int pages)
 {
-	unsigned t;
-	unsigned p;
+	unsigned int t, p;
 	int i, j;
 
 	if (!rdev->gart.ready) {
···
  * (all asics).
  * Returns 0 for success, -EINVAL for failure.
  */
-int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
+int radeon_gart_bind(struct radeon_device *rdev, unsigned int offset,
 		     int pages, struct page **pagelist, dma_addr_t *dma_addr,
 		     uint32_t flags)
 {
-	unsigned t;
-	unsigned p;
+	unsigned int t, p;
 	uint64_t page_base, page_entry;
 	int i, j;
 
···
 		for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
 			page_entry = radeon_gart_get_page_entry(page_base, flags);
 			rdev->gart.pages_entry[t] = page_entry;
-			if (rdev->gart.ptr) {
+			if (rdev->gart.ptr)
 				radeon_gart_set_page(rdev, t, page_entry);
-			}
+
 			page_base += RADEON_GPU_PAGE_SIZE;
 		}
 	}
···
 {
 	int r, i;
 
-	if (rdev->gart.pages) {
+	if (rdev->gart.pages)
 		return 0;
-	}
+
 	/* We need PAGE_SIZE >= RADEON_GPU_PAGE_SIZE */
 	if (PAGE_SIZE < RADEON_GPU_PAGE_SIZE) {
 		DRM_ERROR("Page size is smaller than GPU page size!\n");