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[media] vivid-tpg: separate planes and buffers 

Add a new field that contains the number of buffers. This may be
less than the number of planes in case multiple planes are combined
into one buffer.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-03-07 13:01:53 -03:00 committed by Mauro Carvalho Chehab
parent ba24b44203
commit 06d1f0c2ea
2 changed files with 9 additions and 0 deletions
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3
drivers/media/platform/vivid/vivid-tpg.c
View File

@ -170,7 +170,9 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
{
tpg->fourcc = fourcc;
tpg->planes = 1;
tpg->buffers = 1;
tpg->recalc_colors = true;
switch (fourcc) {
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB565X:
@ -190,6 +192,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
break;
case V4L2_PIX_FMT_NV16M:
case V4L2_PIX_FMT_NV61M:
tpg->buffers = 2;
tpg->planes = 2;
/* fall-through */
case V4L2_PIX_FMT_YUYV:

6
drivers/media/platform/vivid/vivid-tpg.h
View File

@ -138,6 +138,7 @@ struct tpg_data {
enum tpg_pixel_aspect pix_aspect;
unsigned rgb_range;
unsigned real_rgb_range;
unsigned buffers;
unsigned planes;
/* Used to store the colors in native format, either RGB or YUV */
u8 colors[TPG_COLOR_MAX][3];
@ -327,6 +328,11 @@ static inline u32 tpg_g_quantization(const struct tpg_data *tpg)
return tpg->quantization;
}
static inline unsigned tpg_g_buffers(const struct tpg_data *tpg)
{
return tpg->buffers;
}
static inline unsigned tpg_g_planes(const struct tpg_data *tpg)
{
return tpg->planes;