On 2021-09-25 09:38, Fangzhi Zuo wrote:
> Two DP2 headers are available in drm that local ones should be removed.
> Will submit a separate drm patch for all other DP2 required headers.
>
> Signed-off-by: Fangzhi Zuo <jerry....@amd.com>
> ---
> drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 10 +++++-----
> drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c | 4 ++++
> drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 7 -------
> 3 files changed, 9 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> index 120c9955cafb..6be944ac46e2 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> @@ -146,7 +146,7 @@ static uint32_t get_eq_training_aux_rd_interval(
> if (dp_get_link_encoding_format(link_settings) ==
> DP_128b_132b_ENCODING) {
> core_link_read_dpcd(
> link,
> - DP_128b_132b_TRAINING_AUX_RD_INTERVAL,
> + DP_128B132B_TRAINING_AUX_RD_INTERVAL,
> (uint8_t *)&training_rd_interval,
> sizeof(training_rd_interval));
> } else if (dp_get_link_encoding_format(link_settings) ==
> DP_8b_10b_ENCODING &&
> @@ -2107,7 +2107,7 @@ static void dpcd_128b_132b_get_aux_rd_interval(struct
> dc_link *link,
> uint32_t interval_unit = 0;
>
> dpcd_interval.raw = 0;
> - core_link_read_dpcd(link, DP_128b_132b_TRAINING_AUX_RD_INTERVAL,
> + core_link_read_dpcd(link, DP_128B132B_TRAINING_AUX_RD_INTERVAL,
> &dpcd_interval.raw, sizeof(dpcd_interval.raw));
> interval_unit = dpcd_interval.bits.UNIT ? 1 : 2; /* 0b = 2 ms, 1b = 1
> ms */
> /* (128b/132b_TRAINING_AUX_RD_INTERVAL value + 1) *
> @@ -4593,7 +4593,7 @@ bool dp_retrieve_lttpr_cap(struct dc_link *link)
>
> DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV];
>
> link->dpcd_caps.lttpr_caps.supported_128b_132b_rates.raw =
> - lttpr_dpcd_data[DP_PHY_REPEATER_128b_132b_RATES
> -
> + lttpr_dpcd_data[DP_PHY_REPEATER_128B132B_RATES -
>
> DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV];
> #endif
>
> @@ -4875,13 +4875,13 @@ static bool retrieve_link_cap(struct dc_link *link)
> link->dpcd_sink_ext_caps.raw = 0;
>
> #if defined(CONFIG_DRM_AMD_DC_DCN)
> - link->dpcd_caps.channel_coding_cap.raw =
> dpcd_data[DP_MAIN_LINK_CHANNEL_CODING_CAP - DP_DPCD_REV];
> + link->dpcd_caps.channel_coding_cap.raw =
> dpcd_data[DP_MAIN_LINK_CHANNEL_CODING - DP_DPCD_REV];
>
> if (link->dpcd_caps.channel_coding_cap.bits.DP_128b_132b_SUPPORTED) {
> DC_LOG_DP2("128b/132b encoding is supported at link %d",
> link->link_index);
>
> core_link_read_dpcd(link,
> - DP_128b_132b_SUPPORTED_LINK_RATES,
> + DP_128B132B_SUPPORTED_LINK_RATES,
>
> &link->dpcd_caps.dp_128b_132b_supported_link_rates.raw,
>
> sizeof(link->dpcd_caps.dp_128b_132b_supported_link_rates.raw));
> if
> (link->dpcd_caps.dp_128b_132b_supported_link_rates.bits.UHBR20)
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
> b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
> index 7f25c11f4248..ff06d6060e9a 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
> @@ -127,7 +127,11 @@ static uint32_t dpcd_get_next_partition_size(const
> uint32_t address, const uint3
> * XXX: Do not allow any two address ranges in this array to overlap
> */
> static const struct dpcd_address_range mandatory_dpcd_blocks[] = {
> +#if defined(CONFIG_DRM_AMD_DC_DCN)
> + { DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV,
> DP_PHY_REPEATER_128B132B_RATES }};
> +#else
This seems to be somewhat unrelated to the intention of this
patch. Is this something that we missed previously when upstreaming
LPTTR support?
I recommend pulling this into a separate patch, if possible.
Either way, this is
Reviwed-by: Harry Wentland <harry.wentl...@amd.com>
Harry
> { DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV,
> DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT }};
> +#endif
>
> /*
> * extend addresses to read all mandatory blocks together
> diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
> b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
> index a5e798b5da79..04a71e10bb97 100644
> --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
> +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
> @@ -860,14 +860,10 @@ struct psr_caps {
> };
>
> #if defined(CONFIG_DRM_AMD_DC_DCN)
> -#define DP_MAIN_LINK_CHANNEL_CODING_CAP 0x006
> -#define DP_SINK_VIDEO_FALLBACK_FORMATS 0x020
> #define DP_FEC_CAPABILITY_1 0x091
> #define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0A3
> #define DP_DSC_CONFIGURATION 0x161
> #define DP_PHY_SQUARE_PATTERN 0x249
> -#define DP_128b_132b_SUPPORTED_LINK_RATES 0x2215
> -#define DP_128b_132b_TRAINING_AUX_RD_INTERVAL 0x2216
> #define DP_TEST_264BIT_CUSTOM_PATTERN_7_0 0X2230
> #define DP_TEST_264BIT_CUSTOM_PATTERN_263_256 0X2250
> #define DP_DSC_SUPPORT_AND_DECODER_COUNT 0x2260
> @@ -877,9 +873,6 @@ struct psr_caps {
> # define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT 1
> # define DP_DSC_DECODER_COUNT_MASK (0b111 << 5)
> # define DP_DSC_DECODER_COUNT_SHIFT 5
> -#define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108
> -#define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER 0xF0006
> -#define DP_PHY_REPEATER_128b_132b_RATES 0xF0007
> #define DP_128b_132b_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 0xF0022
> #define DP_INTRA_HOP_AUX_REPLY_INDICATION (1 << 3)
> /* TODO - Use DRM header to replace above once available */
>
