drm/omap: Substitute format_is_yuv() with format->is_yuv

drm_format_info table has a field 'is_yuv' to denote if the format
is yuv or not. The driver is expected to use this instead of
having a function for the same purpose.
Signed-off-by: NAyan Kumar halder <ayan.halder@arm.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/dispc.c

@@ -1140,18 +1140,6 @@ static void dispc_ovl_set_color_mode(struct dispc_device *dispc,
 	REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), m, 4, 1);
 }
 
-static bool format_is_yuv(u32 fourcc)
-{
-	switch (fourcc) {
-	case DRM_FORMAT_YUYV:
-	case DRM_FORMAT_UYVY:
-	case DRM_FORMAT_NV12:
-		return true;
-	default:
-		return false;
-	}
-}
-
 static void dispc_ovl_configure_burst_type(struct dispc_device *dispc,
 					   enum omap_plane_id plane,
 					   enum omap_dss_rotation_type rotation)
@@ -1910,11 +1898,14 @@ static void dispc_ovl_set_scaling_uv(struct dispc_device *dispc,
 	int scale_x = out_width != orig_width;
 	int scale_y = out_height != orig_height;
 	bool chroma_upscale = plane != OMAP_DSS_WB;
+	const struct drm_format_info *info;
+
+	info = drm_format_info(fourcc);
 
 	if (!dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE))
 		return;
 
-	if (!format_is_yuv(fourcc)) {
+	if (!info->is_yuv) {
 		/* reset chroma resampling for RGB formats  */
 		if (plane != OMAP_DSS_WB)
 			REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane),
@@ -2632,6 +2623,9 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc,
 	bool ilace = !!(vm->flags & DISPLAY_FLAGS_INTERLACED);
 	unsigned long pclk = dispc_plane_pclk_rate(dispc, plane);
 	unsigned long lclk = dispc_plane_lclk_rate(dispc, plane);
+	const struct drm_format_info *info;
+
+	info = drm_format_info(fourcc);
 
 	/* when setting up WB, dispc_plane_pclk_rate() returns 0 */
 	if (plane == OMAP_DSS_WB)
@@ -2640,7 +2634,7 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc,
 	if (paddr == 0 && rotation_type != OMAP_DSS_ROT_TILER)
 		return -EINVAL;
 
-	if (format_is_yuv(fourcc) && (in_width & 1)) {
+	if (info->is_yuv && (in_width & 1)) {
 		DSSERR("input width %d is not even for YUV format\n", in_width);
 		return -EINVAL;
 	}
@@ -2680,7 +2674,7 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc,
 		DSSDBG("predecimation %d x %x, new input size %d x %d\n",
 			x_predecim, y_predecim, in_width, in_height);
 
-	if (format_is_yuv(fourcc) && (in_width & 1)) {
+	if (info->is_yuv && (in_width & 1)) {
 		DSSDBG("predecimated input width is not even for YUV format\n");
 		DSSDBG("adjusting input width %d -> %d\n",
 			in_width, in_width & ~1);
@@ -2688,7 +2682,7 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc,
 		in_width &= ~1;
 	}
 
-	if (format_is_yuv(fourcc))
+	if (info->is_yuv)
 		cconv = 1;
 
 	if (ilace && !fieldmode) {