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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>
This commit is contained in:
Steve Longerbeam 2014-06-25 18:05:38 -07:00 committed by Philipp Zabel
parent f835f386a1
commit 4cea940d34
2 changed files with 13 additions and 0 deletions
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12
drivers/gpu/ipu-v3/ipu-common.c
View File

@ -101,6 +101,18 @@ enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat)
}
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) {

1
include/video/imx-ipu-v3.h
View File

@ -301,6 +301,7 @@ int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
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,