drm/nouveau: Fix indentation-related checkpatch.pl error messages.

Fix 'ERROR: code indent should use tabs where possible'
Fix 'ERROR: space required before the open parenthesis ('
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>

drivers/gpu/drm/nouveau/nouveau_drv.h

@@ -887,13 +887,13 @@ extern void nouveau_channel_idle(struct nouveau_channel *chan);
 	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
 	if (ret)                                                               \
 		return ret;                                                    \
-} while(0)
+} while (0)
 
 #define NVOBJ_MTHD(d,c,m,e) do {                                               \
 	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
 	if (ret)                                                               \
 		return ret;                                                    \
-} while(0)
+} while (0)
 
 extern int  nouveau_gpuobj_early_init(struct drm_device *);
 extern int  nouveau_gpuobj_init(struct drm_device *);

drivers/gpu/drm/nouveau/nouveau_mem.c

@@ -599,7 +599,7 @@ nouveau_mem_timing_init(struct drm_device *dev)
 
 	/* Get "some number" from the timing reg for NV_40
 	 * Used in calculations later */
-	if(dev_priv->card_type == NV_40) {
+	if (dev_priv->card_type == NV_40) {
 		magic_number = (nv_rd32(dev,0x100228) & 0x0f000000) >> 24;
 	}
 
@@ -645,22 +645,22 @@ nouveau_mem_timing_init(struct drm_device *dev)
 		timing->reg_100224 = (tUNK_0 + tUNK_19 + 1 + magic_number) << 24 |
 				      tUNK_18 << 16 |
 				      (tUNK_1 + tUNK_19 + 1 + magic_number) << 8;
-		if(dev_priv->chipset == 0xa8) {
+		if (dev_priv->chipset == 0xa8) {
 			timing->reg_100224 |= (tUNK_2 - 1);
 		} else {
 			timing->reg_100224 |= (tUNK_2 + 2 - magic_number);
 		}
 
 		timing->reg_100228 = (tUNK_12 << 16 | tUNK_11 << 8 | tUNK_10);
-		if(dev_priv->chipset >= 0xa3 && dev_priv->chipset < 0xaa) {
+		if (dev_priv->chipset >= 0xa3 && dev_priv->chipset < 0xaa) {
 			timing->reg_100228 |= (tUNK_19 - 1) << 24;
 		}
 
-		if(dev_priv->card_type == NV_40) {
+		if (dev_priv->card_type == NV_40) {
 			/* NV40: don't know what the rest of the regs are..
 			 * And don't need to know either */
 			timing->reg_100228 |= 0x20200000 | magic_number << 24;
-		} else if(dev_priv->card_type >= NV_50) {
+		} else if (dev_priv->card_type >= NV_50) {
 			/* XXX: reg_10022c */
 			timing->reg_10022c = tUNK_2 - 1;
 
@@ -670,7 +670,7 @@ nouveau_mem_timing_init(struct drm_device *dev)
 			timing->reg_100234 = (tRAS << 24 | tRC);
 			timing->reg_100234 += max(tUNK_10,tUNK_11) << 16;
 
-			if(dev_priv->chipset < 0xa3) {
+			if (dev_priv->chipset < 0xa3) {
 				timing->reg_100234 |= (tUNK_2 + 2) << 8;
 			} else {
 				/* XXX: +6? */
@@ -681,7 +681,7 @@ nouveau_mem_timing_init(struct drm_device *dev)
 			 * reg_100238: 0x00??????
 			 * reg_10023c: 0x!!??0202 for NV50+ cards (empirical evidence) */
 			timing->reg_10023c = 0x202;
-			if(dev_priv->chipset < 0xa3) {
+			if (dev_priv->chipset < 0xa3) {
 				timing->reg_10023c |= 0x4000000 | (tUNK_2 - 1) << 16;
 			} else {
 				/* currently unknown

drivers/gpu/drm/nouveau/nv50_grctx.c

@@ -747,7 +747,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
 				gr_def(ctx, offset + 0x64, 0x0000001f);
 				gr_def(ctx, offset + 0x68, 0x0000000f);
 				gr_def(ctx, offset + 0x6c, 0x0000000f);
-			} else if(dev_priv->chipset < 0xa0) {
+			} else if (dev_priv->chipset < 0xa0) {
 				cp_ctx(ctx, offset + 0x50, 1);
 				cp_ctx(ctx, offset + 0x70, 1);
 			} else {
@@ -2836,7 +2836,7 @@ nv50_graph_construct_xfer_tprop(struct nouveau_grctx *ctx)
 	xf_emit(ctx, 1, 1);		/* 00000001 DST_LINEAR */
 	if (IS_NVA3F(dev_priv->chipset))
 		xf_emit(ctx, 1, 1);	/* 0000001f tesla UNK169C */
-	if(dev_priv->chipset == 0x50)
+	if (dev_priv->chipset == 0x50)
 		xf_emit(ctx, 1, 0);	/* ff */
 	else
 		xf_emit(ctx, 3, 0);	/* 1, 7, 3ff */