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

From: Jani Nikula <jani.nikula@intel.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>
Cc: manasi.d.navare@intel.com, vinod.govindapillai@intel.com,
	intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	Stanislav.Lisovskiy@intel.com, jani.saarinen@intel.com
Subject: Re: [PATCH 1/4] drm: Add missing DP DSC extended capability definitions.
Date: Tue, 06 Sep 2022 17:37:00 +0300	[thread overview]
Message-ID: <87y1uw8t83.fsf@intel.com> (raw)
In-Reply-To: <8735d4a7vm.fsf@intel.com>

On Tue, 06 Sep 2022, Jani Nikula <jani.nikula@intel.com> wrote:
> On Mon, 05 Sep 2022, Stanislav Lisovskiy <stanislav.lisovskiy@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@intel.com>
>>
>> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
>
> Maarten, Maxime, Thomas -
>
> So this got pushed to drm-intel-next without your acks. Apologies. Can
> we live with it, or want a revert?

I think dim should've warned about missing acks, did it not? :(

BR,
Jani.

>
>
> BR,
> Jani.
>
>
>> ---
>>  include/drm/display/drm_dp.h | 10 +++++++++-
>>  1 file changed, 9 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
>> index 6c0871164771..02c4b6f20478 100644
>> --- a/include/drm/display/drm_dp.h
>> +++ b/include/drm/display/drm_dp.h
>> @@ -239,6 +239,9 @@
>>  
>>  #define DP_DSC_SUPPORT                      0x060   /* DP 1.4 */
>>  # define DP_DSC_DECOMPRESSION_IS_SUPPORTED  (1 << 0)
>> +# define DP_DSC_PASS_THROUGH_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)
>> @@ -277,12 +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)
>> @@ -344,11 +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