Hi Kieran,
Thank you for the patch.
On Friday, 14 September 2018 16:21:49 EEST Kieran Bingham wrote:
> The Gen3 VSP used by the DU for display does not support packed the VYUY
> pixel format. Gen2 VSP hardware is able to process this format, but it
> is not officially supported there either and thus it's output can not be
> guaranteed.
I think we could guarantee proper operation on Gen2, but as DU + VSP operation
isn't enabled in the drivers by default, and as the VYUY format isn't a
strategic target, I think we can ignore that.
How about updating the commit message as follows ?
"The Gen3 VSP used by the DU for display does not support packed the VYUY
pixel format. Gen2 VSP hardware is able to process this format, but DU + VSP
operation isn't enabled on Gen2, and VYUY isn't a strategic format, so it can
be ignored."
> Remove the format from the capabilities of the DU driver.
>
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 4480243813ec..4576119e7777
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -126,7 +126,6 @@ static const u32 formats_kms[] = {
> DRM_FORMAT_ARGB8888,
> DRM_FORMAT_XRGB8888,
> DRM_FORMAT_UYVY,
> - DRM_FORMAT_VYUY,
> DRM_FORMAT_YUYV,
> DRM_FORMAT_YVYU,
> DRM_FORMAT_NV12,
> @@ -155,7 +154,6 @@ static const u32 formats_v4l2[] = {
> V4L2_PIX_FMT_ABGR32,
> V4L2_PIX_FMT_XBGR32,
> V4L2_PIX_FMT_UYVY,
> - V4L2_PIX_FMT_VYUY,
> V4L2_PIX_FMT_YUYV,
> V4L2_PIX_FMT_YVYU,
> V4L2_PIX_FMT_NV12M,
--
Regards,
Laurent Pinchart
