Commit Graph

103 Commits

Author SHA1 Message Date
Fabien Dessenne 1a8b18afa1 [media] bdisp: remove needless check
As reported by smatch:
	drivers/media/platform/sti/bdisp/bdisp-v4l2.c:947 bdisp_s_selection() warn: unsigned 'out.width' is never less than zero.
	drivers/media/platform/sti/bdisp/bdisp-v4l2.c:947 bdisp_s_selection() warn: unsigned 'out.height' is never less than zero.
Indeed, width and height are unsigned.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-06-10 12:29:55 -03:00
Fabien Dessenne 34b6beb65b [media] bdisp: add debug file system
Creates 5 debugfs entries to dump the last HW request, the last HW node
(=command), the HW registers and the recent HW performance (time & fps)

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-06-09 18:12:28 -03:00
Fabien Dessenne 28ffeebbb7 [media] bdisp: 2D blitter driver using v4l2 mem2mem framework
This v4l2 mem2mem driver is a 2D blitter for STMicroelectronics SoC.
It uses the v4l2 mem2mem framework.

The following features are supported and tested:
- Color format conversion (RGB32, RGB24, RGB16, NV12, YUV420P)
- Copy
- Scale
- Flip
- Deinterlace
- Wide (4K) picture support
- Crop

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: added missing slab.h include to bdisp-v4l2.c]

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-06-09 18:10:41 -03:00