[Intel-gfx] [PATCH 1/4] drm: Add missing DP DSC extended capability definitions.

[Jani Nikula]

On Tue, 13 Sep 2022, Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> wrote:
> Adding DP DSC register definitions, we might need for further
> DSC implementation, supporting MST and DP branch pass-through mode.
>
> v2: - Fixed checkpatch comment warning
> v3: - Removed function which is not yet used(Jani Nikula)
>
> Reviewed-by: Vinod Govindapillai <vinod.govindapillai at intel.com>
>
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>

Maarten, Maxime, Thomas -

Retry, can we get an ack for merging this one via drm-intel-next?

Thanks,
Jani.


> ---
>  include/drm/display/drm_dp.h | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
> index e934aab357be..9bc22a02874d 100644
> --- a/include/drm/display/drm_dp.h
> +++ b/include/drm/display/drm_dp.h
> @@ -240,6 +240,8 @@
>  #define DP_DSC_SUPPORT                      0x060   /* DP 1.4 */
>  # define DP_DSC_DECOMPRESSION_IS_SUPPORTED  (1 << 0)
>  # define DP_DSC_PASSTHROUGH_IS_SUPPORTED    (1 << 1)
> +# define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_COMP_TO_COMP    (1 << 2)
> +# define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_UNCOMP_TO_COMP  (1 << 3)
>  
>  #define DP_DSC_REV                          0x061
>  # define DP_DSC_MAJOR_MASK                  (0xf << 0)
> @@ -278,12 +280,15 @@
>  
>  #define DP_DSC_BLK_PREDICTION_SUPPORT       0x066
>  # define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0)
> +# define DP_DSC_RGB_COLOR_CONV_BYPASS_SUPPORT (1 << 1)
>  
>  #define DP_DSC_MAX_BITS_PER_PIXEL_LOW       0x067   /* eDP 1.4 */
>  
>  #define DP_DSC_MAX_BITS_PER_PIXEL_HI        0x068   /* eDP 1.4 */
>  # define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK  (0x3 << 0)
>  # define DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT 8
> +# define DP_DSC_MAX_BPP_DELTA_VERSION_MASK  0x06
> +# define DP_DSC_MAX_BPP_DELTA_AVAILABILITY  0x08
>  
>  #define DP_DSC_DEC_COLOR_FORMAT_CAP         0x069
>  # define DP_DSC_RGB                         (1 << 0)
> @@ -345,11 +350,13 @@
>  # define DP_DSC_24_PER_DP_DSC_SINK          (1 << 2)
>  
>  #define DP_DSC_BITS_PER_PIXEL_INC           0x06F
> +# define DP_DSC_RGB_YCbCr444_MAX_BPP_DELTA_MASK 0x1f
> +# define DP_DSC_RGB_YCbCr420_MAX_BPP_DELTA_MASK 0xe0
>  # define DP_DSC_BITS_PER_PIXEL_1_16         0x0
>  # define DP_DSC_BITS_PER_PIXEL_1_8          0x1
>  # define DP_DSC_BITS_PER_PIXEL_1_4          0x2
>  # define DP_DSC_BITS_PER_PIXEL_1_2          0x3
> -# define DP_DSC_BITS_PER_PIXEL_1            0x4
> +# define DP_DSC_BITS_PER_PIXEL_1_1          0x4
>  
>  #define DP_PSR_SUPPORT                      0x070   /* XXX 1.2? */
>  # define DP_PSR_IS_SUPPORTED                1

-- 
Jani Nikula, Intel Open Source Graphics Center