[PATCH v2 1/2] drm: rockchip/hdmi: add Innosilicon HDMI support

[郑阳]

在 2016年01月07日 18:03, Yakir Yang 写道:
> diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c 
> b/drivers/gpu/drm/rockchip/inno_hdmi.c
> new file mode 100644
> index 0000000..9327617
> --- /dev/null
> +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
>
> +static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi)
> +{
> +
> +     if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_RGB) + 
> avi_color_mode = AVI_COLOR_MODE_RGB;
> +     else if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV444)
> +             avi_color_mode = AVI_COLOR_MODE_YCBCR444;
> +     else if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV422)
> +             avi_color_mode = AVI_COLOR_MODE_YCBCR422;
> +     else
> +             avi_color_mode = AVI_COLOR_MODE_RGB;
> +
Fist if is no need, its result is same to "else".
> +static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
> +{
>
> +     if (data->enc_out_format == data->enc_out_format)  {
> +             if ((data->enc_in_format == HDMI_COLORSPACE_RGB) ||
> +                 (data->enc_in_format >= HDMI_COLORSPACE_YUV444)) {
> +                     value = v_SOF_DISABLE | v_COLOR_DEPTH_NOT_INDICATED(1);
> +                     hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value);
> +
> +                     hdmi_modb(hdmi, HDMI_VIDEO_CONTRL,
> +                               m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_SWAP,
> +                               v_VIDEO_AUTO_CSC(AUTO_CSC_DISABLE) |
> +                               v_VIDEO_C0_C2_SWAP(C0_C2_CHANGE_DISABLE));
> +                     return 0;
> +             }
> +     }
>
It seems should be if (data->enc_in_format == data->enc_out_format).

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