minigbm: Fix switch statements

Our switch statements were inconsistent.  Let's use kernel
style switch statements since we already follow many kernel
coding guidelines in this repo (8-space tabs, mostly 80
line limit).

Change-Id: I2b6ccc2369160bf49bbdf6479aebec7dada2e2fa
Reviewed-on: https://chromium-review.googlesource.com/377883
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
diff --git a/i915.c b/i915.c
index 4942246..e2646ad 100644
--- a/i915.c
+++ b/i915.c
@@ -75,26 +75,26 @@
 	struct i915_device *i915_drv = (struct i915_device *)drv->priv;
 	uint32_t width_alignment = 4, height_alignment = 4;
 
-	switch(tiling_mode) {
-		default:
-		case I915_TILING_NONE:
-			width_alignment = 64 / bpp;
-			break;
+	switch (tiling_mode) {
+	default:
+	case I915_TILING_NONE:
+		width_alignment = 64 / bpp;
+		break;
 
-		case I915_TILING_X:
+	case I915_TILING_X:
+		width_alignment = 512 / bpp;
+		height_alignment = 8;
+		break;
+
+	case I915_TILING_Y:
+		if (i915_drv->gen == 3) {
 			width_alignment = 512 / bpp;
 			height_alignment = 8;
-			break;
-
-		case I915_TILING_Y:
-			if (i915_drv->gen == 3) {
-				width_alignment = 512 / bpp;
-				height_alignment = 8;
-			} else  {
-				width_alignment = 128 / bpp;
-				height_alignment = 32;
-			}
-			break;
+		} else  {
+			width_alignment = 128 / bpp;
+			height_alignment = 32;
+		}
+		break;
 	}
 
 	if (i915_drv->gen > 3) {
@@ -222,13 +222,13 @@
 drv_format_t i915_resolve_format(drv_format_t format)
 {
 	switch (format) {
-		case DRV_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
-			/*HACK: See b/28671744 */
-			return DRV_FORMAT_XBGR8888;
-		case DRV_FORMAT_FLEX_YCbCr_420_888:
-			return DRV_FORMAT_YVU420;
-		default:
-			return format;
+	case DRV_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+		/*HACK: See b/28671744 */
+		return DRV_FORMAT_XBGR8888;
+	case DRV_FORMAT_FLEX_YCbCr_420_888:
+		return DRV_FORMAT_YVU420;
+	default:
+		return format;
 	}
 }