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drm/imx: ipu-v3 plane offset and IPU id fixes

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- Fix U/V plane offsets for odd vertical offsets. Due to wrong operator
   order, the y offset was not rounded down properly for vertically
   chroma subsampled planar formats.
 - Fix IPU id number for boards that don't have an OF alias for their
   single IPU in the device tree. This is necessary to support imx-media
   on i.MX51 and i.MX53 SoCs.
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Merge tag 'imx-drm-fixes-2018-08-03' of git://git.pengutronix.de/git/pza/linux into drm-next

drm/imx: ipu-v3 plane offset and IPU id fixes

- Fix U/V plane offsets for odd vertical offsets. Due to wrong operator
  order, the y offset was not rounded down properly for vertically
  chroma subsampled planar formats.
- Fix IPU id number for boards that don't have an OF alias for their
  single IPU in the device tree. This is necessary to support imx-media
  on i.MX51 and i.MX53 SoCs.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1533552680.4204.14.camel@pengutronix.de
This commit is contained in:
Dave Airlie 2018-08-10 11:37:30 +10:00
commit 8511b7da18
2 changed files with 5 additions and 3 deletions
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2
drivers/gpu/ipu-v3/ipu-common.c
View File

@ -1405,6 +1405,8 @@ static int ipu_probe(struct platform_device *pdev)
return -ENODEV;
ipu->id = of_alias_get_id(np, "ipu");
if (ipu->id < 0)
ipu->id = 0;
if (of_device_is_compatible(np, "fsl,imx6qp-ipu") &&
IS_ENABLED(CONFIG_DRM)) {

6
drivers/gpu/ipu-v3/ipu-cpmem.c
View File

@ -547,17 +547,17 @@ static const struct ipu_rgb def_bgra_16 = {
#define Y_OFFSET(pix, x, y) ((x) + pix->width * (y))
#define U_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 4) + (x) / 2)
(pix->width * ((y) / 2) / 2) + (x) / 2)
#define V_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * pix->height / 4) + \
(pix->width * (y) / 4) + (x) / 2)
(pix->width * ((y) / 2) / 2) + (x) / 2)
#define U2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 2) + (x) / 2)
#define V2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * pix->height / 2) + \
(pix->width * (y) / 2) + (x) / 2)
#define UV_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 2) + (x))
(pix->width * ((y) / 2)) + (x))
#define UV2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * y) + (x))