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

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Op 14-09-2022 om 12:28 schreef Jani Nikula:
> On Tue, 13 Sep 2022, Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx> 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@xxxxxxxxx>
>>
>> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> Maarten, Maxime, Thomas -
>
> Retry, can we get an ack for merging this one via drm-intel-next?
>
> Thanks,
> Jani.
Acked-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>
>> ---
>>  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





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