On Thu, 2020-04-30 at 18:42 +0200, Paul Kocialkowski wrote:
> This introduces two macros: RGA_COLOR_FMT_IS_YUV and RGA_COLOR_FMT_IS_RGB
> which allow quick checking of the colorspace familily of a RGA color format.
>
> These macros are then used to refactor the logic for CSC mode selection.
> The two nested tests for input colorspace are simplified into a single one,
> with a logical and, making the whole more readable.
>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>
Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
Thanks a lot for the nice cleanup.
> ---
> drivers/media/platform/rockchip/rga/rga-hw.c | 23 +++++++++-----------
> drivers/media/platform/rockchip/rga/rga-hw.h | 5 +++++
> 2 files changed, 15 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/media/platform/rockchip/rga/rga-hw.c b/drivers/media/platform/rockchip/rga/rga-hw.c
> index 4be6dcf292ff..5607ee8d1917 100644
> --- a/drivers/media/platform/rockchip/rga/rga-hw.c
> +++ b/drivers/media/platform/rockchip/rga/rga-hw.c
> @@ -200,22 +200,19 @@ static void rga_cmd_set_trans_info(struct rga_ctx *ctx)
> dst_info.data.format = ctx->out.fmt->hw_format;
> dst_info.data.swap = ctx->out.fmt->color_swap;
>
> - if (ctx->in.fmt->hw_format >= RGA_COLOR_FMT_YUV422SP) {
> - if (ctx->out.fmt->hw_format < RGA_COLOR_FMT_YUV422SP) {
> - switch (ctx->in.colorspace) {
> - case V4L2_COLORSPACE_REC709:
> - src_info.data.csc_mode =
> - RGA_SRC_CSC_MODE_BT709_R0;
> - break;
> - default:
> - src_info.data.csc_mode =
> - RGA_SRC_CSC_MODE_BT601_R0;
> - break;
> - }
> + if (RGA_COLOR_FMT_IS_YUV(ctx->in.fmt->hw_format) &&
> + RGA_COLOR_FMT_IS_RGB(ctx->out.fmt->hw_format)) {
> + switch (ctx->in.colorspace) {
> + case V4L2_COLORSPACE_REC709:
> + src_info.data.csc_mode = RGA_SRC_CSC_MODE_BT709_R0;
> + break;
> + default:
> + src_info.data.csc_mode = RGA_SRC_CSC_MODE_BT601_R0;
> + break;
> }
> }
>
> - if (ctx->out.fmt->hw_format >= RGA_COLOR_FMT_YUV422SP) {
> + if (RGA_COLOR_FMT_IS_YUV(ctx->out.fmt->hw_format)) {
> switch (ctx->out.colorspace) {
> case V4L2_COLORSPACE_REC709:
> dst_info.data.csc_mode = RGA_SRC_CSC_MODE_BT709_R0;
> diff --git a/drivers/media/platform/rockchip/rga/rga-hw.h b/drivers/media/platform/rockchip/rga/rga-hw.h
> index 96cb0314dfa7..e8917e5630a4 100644
> --- a/drivers/media/platform/rockchip/rga/rga-hw.h
> +++ b/drivers/media/platform/rockchip/rga/rga-hw.h
> @@ -95,6 +95,11 @@
> #define RGA_COLOR_FMT_CP_8BPP 15
> #define RGA_COLOR_FMT_MASK 15
>
> +#define RGA_COLOR_FMT_IS_YUV(fmt) \
> + (((fmt) >= RGA_COLOR_FMT_YUV422SP) && ((fmt) < RGA_COLOR_FMT_CP_1BPP))
> +#define RGA_COLOR_FMT_IS_RGB(fmt) \
> + ((fmt) < RGA_COLOR_FMT_YUV422SP)
> +
> #define RGA_COLOR_NONE_SWAP 0
> #define RGA_COLOR_RB_SWAP 1
> #define RGA_COLOR_ALPHA_SWAP 2
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