gpu: ipu-v3: Add helper function checking if pixfmt is planar
Add simple helper function returning true if passed pixel format is one
of supported planar ones.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index a1d42ee..18563c2 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -101,6 +101,18 @@
}
EXPORT_SYMBOL_GPL(ipu_pixelformat_to_colorspace);
+bool ipu_pixelformat_is_planar(u32 pixelformat)
+{
+ switch (pixelformat) {
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ return true;
+ }
+
+ return false;
+}
+EXPORT_SYMBOL_GPL(ipu_pixelformat_is_planar);
+
enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code)
{
switch (mbus_code & 0xf000) {
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 3562698..ecb01f8 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -301,6 +301,7 @@
enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
+bool ipu_pixelformat_is_planar(u32 pixelformat);
int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
bool hflip, bool vflip);
int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,