Re: [Intel-gfx] [PATCH v3] drm/dp: Add Additional DP2 Headers

[Harry Wentland <harry.wentland@amd.com>]

On 2021-10-08 04:36, Tvrtko Ursulin wrote:
> 
> Hi,
> 
> Is it my checkout only or this causes a lot of build warnings for everyone?
> 
> ./include/drm/drm_dp_helper.h:1120: warning: "DP_TEST_264BIT_CUSTOM_PATTERN_7_0" redefined
>  1120 | #define DP_TEST_264BIT_CUSTOM_PATTERN_7_0  0x2230
>       |
> In file included from ./drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:35,
>                  from ./drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
>                  from ./drivers/gpu/drm/amd/amdgpu/../include/dm_pp_interface.h:26,
>                  from drivers/gpu/drm/amd/amdgpu/amdgpu.h:66,
>                  from drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:40:
> ./drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dp_types.h:871: note: this is the location of the previous definition
> 
> Etc..
> 

Fixed by https://patchwork.freedesktop.org/patch/456190/?series=95166&rev=2 but looks like it's not in drm-misc-next.

Siqueira, do you have bandwidth to pull that patch into drm-misc-next?

Harry

> Regards,
> 
> Tvrtko
> 
> 
> On 30/09/2021 22:21, Rodrigo Siqueira wrote:
>> Applied to drm-misc-next.
>>
>> Thanks
>>
>> On 09/28, Harry Wentland wrote:
>>> On 2021-09-27 15:23, Fangzhi Zuo wrote:
>>>> Include FEC, DSC, Link Training related headers.
>>>>
>>>> Change since v2
>>>> - Align with the spec for DP_DSC_SUPPORT_AND_DSC_DECODER_COUNT
>>>>
>>>> Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
>>>
>>> Reviewed-by: Harry Wentland <harry.wentland@amd.com>
>>>
>>> Harry
>>>
>>>> ---
>>>> This patch is based on top of the other DP2.0 work in
>>>> "drm/dp: add LTTPR DP 2.0 DPCD addresses"
>>>> ---
>>>>   include/drm/drm_dp_helper.h | 20 ++++++++++++++++++++
>>>>   1 file changed, 20 insertions(+)
>>>>
>>>> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
>>>> index 1d5b3dbb6e56..a1df35aa6e68 100644
>>>> --- a/include/drm/drm_dp_helper.h
>>>> +++ b/include/drm/drm_dp_helper.h
>>>> @@ -453,6 +453,7 @@ struct drm_panel;
>>>>   # define DP_FEC_UNCORR_BLK_ERROR_COUNT_CAP  (1 << 1)
>>>>   # define DP_FEC_CORR_BLK_ERROR_COUNT_CAP    (1 << 2)
>>>>   # define DP_FEC_BIT_ERROR_COUNT_CAP        (1 << 3)
>>>> +#define DP_FEC_CAPABILITY_1            0x091   /* 2.0 */
>>>>     /* DP-HDMI2.1 PCON DSC ENCODER SUPPORT */
>>>>   #define DP_PCON_DSC_ENCODER_CAP_SIZE        0xC    /* 0x9E - 0x92 */
>>>> @@ -537,6 +538,9 @@ struct drm_panel;
>>>>   #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1  0x0a1
>>>>   #define DP_DSC_BRANCH_MAX_LINE_WIDTH        0x0a2
>>>>   +/* DFP Capability Extension */
>>>> +#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT    0x0a3    /* 2.0 */
>>>> +
>>>>   /* Link Configuration */
>>>>   #define    DP_LINK_BW_SET                    0x100
>>>>   # define DP_LINK_RATE_TABLE            0x00    /* eDP 1.4 */
>>>> @@ -688,6 +692,7 @@ struct drm_panel;
>>>>     #define DP_DSC_ENABLE                       0x160   /* DP 1.4 */
>>>>   # define DP_DECOMPRESSION_EN                (1 << 0)
>>>> +#define DP_DSC_CONFIGURATION                0x161    /* DP 2.0 */
>>>>     #define DP_PSR_EN_CFG                0x170   /* XXX 1.2? */
>>>>   # define DP_PSR_ENABLE                BIT(0)
>>>> @@ -743,6 +748,7 @@ struct drm_panel;
>>>>   # define DP_RECEIVE_PORT_0_STATUS        (1 << 0)
>>>>   # define DP_RECEIVE_PORT_1_STATUS        (1 << 1)
>>>>   # define DP_STREAM_REGENERATION_STATUS      (1 << 2) /* 2.0 */
>>>> +# define DP_INTRA_HOP_AUX_REPLY_INDICATION    (1 << 3) /* 2.0 */
>>>>     #define DP_ADJUST_REQUEST_LANE0_1        0x206
>>>>   #define DP_ADJUST_REQUEST_LANE2_3        0x207
>>>> @@ -865,6 +871,8 @@ struct drm_panel;
>>>>   # define DP_PHY_TEST_PATTERN_80BIT_CUSTOM   0x4
>>>>   # define DP_PHY_TEST_PATTERN_CP2520         0x5
>>>>   +#define DP_PHY_SQUARE_PATTERN                0x249
>>>> +
>>>>   #define DP_TEST_HBR2_SCRAMBLER_RESET        0x24A
>>>>   #define DP_TEST_80BIT_CUSTOM_PATTERN_7_0    0x250
>>>>   #define    DP_TEST_80BIT_CUSTOM_PATTERN_15_8   0x251
>>>> @@ -1109,6 +1117,18 @@ struct drm_panel;
>>>>   #define DP_128B132B_TRAINING_AUX_RD_INTERVAL   0x2216 /* 2.0 */
>>>>   # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK 0x7f
>>>>   +#define DP_TEST_264BIT_CUSTOM_PATTERN_7_0        0x2230
>>>> +#define DP_TEST_264BIT_CUSTOM_PATTERN_263_256    0x2250
>>>> +
>>>> +/* DSC Extended Capability Branch Total DSC Resources */
>>>> +#define DP_DSC_SUPPORT_AND_DSC_DECODER_COUNT        0x2260    /* 2.0 */
>>>> +# define DP_DSC_DECODER_COUNT_MASK            (0b111 << 5)
>>>> +# define DP_DSC_DECODER_COUNT_SHIFT            5
>>>> +#define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0    0x2270    /* 2.0 */
>>>> +# define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK    (1 << 0)
>>>> +# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK    (0b111 << 1)
>>>> +# define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT    1
>>>> +
>>>>   /* Protocol Converter Extension */
>>>>   /* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */
>>>>   #define DP_CEC_TUNNELING_CAPABILITY            0x3000
>>>>
>>>
>>