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SubjectRe: [RFC PATCH 03/13] drm/msm/dsi: add support for dsc data
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On 21/05/2021 15:49, Vinod Koul wrote:
> DSC needs some configuration from device tree, add support to read and
> store these params and add DSC structures in msm_drv
>
> Signed-off-by: Vinod Koul <vkoul@kernel.org>
> ---
> drivers/gpu/drm/msm/dsi/dsi_host.c | 170 +++++++++++++++++++++++++++++
> drivers/gpu/drm/msm/msm_drv.h | 32 ++++++
> 2 files changed, 202 insertions(+)
>


[skipped]


> DRM_DEV_ERROR(dev, "%s: invalid lane configuration %d\n",
> diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
> index 2668941df529..26661dd43936 100644
> --- a/drivers/gpu/drm/msm/msm_drv.h
> +++ b/drivers/gpu/drm/msm/msm_drv.h
> @@ -30,6 +30,7 @@
> #include <drm/drm_plane_helper.h>
> #include <drm/drm_probe_helper.h>
> #include <drm/drm_fb_helper.h>
> +#include <drm/drm_dsc.h>
> #include <drm/msm_drm.h>
> #include <drm/drm_gem.h>
>
> @@ -70,6 +71,16 @@ enum msm_mdp_plane_property {
> #define MSM_GPU_MAX_RINGS 4
> #define MAX_H_TILES_PER_DISPLAY 2
>
> +/**
> + * enum msm_display_compression_type - compression method used for pixel stream
> + * @MSM_DISPLAY_COMPRESSION_NONE: Pixel data is not compressed
> + * @MSM_DISPLAY_COMPRESSION_DSC: DSC compresison is used
> + */
> +enum msm_display_compression_type {
> + MSM_DISPLAY_COMPRESSION_NONE,
> + MSM_DISPLAY_COMPRESSION_DSC,
> +};
> +

Seems to be unused

> /**
> * enum msm_display_caps - features/capabilities supported by displays
> * @MSM_DISPLAY_CAP_VID_MODE: Video or "active" mode supported



--
With best wishes
Dmitry

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