openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[media] v4l: vsp1: Disable HSV formats on Gen3 hardware 

While all VSP instances can process HSV internally, on Gen3 hardware
reading or writing HSV24 or HSV32 from/to memory causes the device to
hang. Disable those pixel formats on Gen3 hardware.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Laurent Pinchart 2017-02-28 19:44:55 -03:00 committed by Mauro Carvalho Chehab
parent 9dbed95ba6
commit 40ad34d8eb
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/media/platform/vsp1/vsp1_pipe.c
View File

@ -157,9 +157,15 @@ const struct vsp1_format_info *vsp1_get_format_info(struct vsp1_device *vsp1,
{ {
unsigned int i; unsigned int i;
/* Special case, the VYUY format is supported on Gen2 only. */ /* Special case, the VYUY and HSV formats are supported on Gen2 only. */
if (vsp1->info->gen != 2 && fourcc == V4L2_PIX_FMT_VYUY) if (vsp1->info->gen != 2) {
switch (fourcc) {
case V4L2_PIX_FMT_VYUY:
case V4L2_PIX_FMT_HSV24:
case V4L2_PIX_FMT_HSV32:
return NULL; return NULL;
}
}
for (i = 0; i < ARRAY_SIZE(vsp1_video_formats); ++i) { for (i = 0; i < ARRAY_SIZE(vsp1_video_formats); ++i) {
const struct vsp1_format_info *info = &vsp1_video_formats[i]; const struct vsp1_format_info *info = &vsp1_video_formats[i];