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SubjectRe: [PATCH] drm: Add FEC registers for LT-tunable repeaters
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On 2019-12-05 8:58 a.m., Rodrigo Siqueira wrote:
> FEC is supported since DP 1.4, and it was expanded for LT-tunable in DP
> 1.4a. This commit adds the address registers for
> FEC_ERROR_COUNT_PHY_REPEATER1 and FEC_CAPABILITY_PHY_REPEATER1.
>
> Cc: Abdoulaye Berthe <Abdoulaye.Berthe@amd.com>
> Cc: Harry Wentland <harry.wentland@amd.com>
> Cc: Leo Li <sunpeng.li@amd.com>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: Manasi Navare <manasi.d.navare@intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Abdoulaye Berthe <Abdoulaye.Berthe@amd.com>
> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>

Reviewed-by: Harry Wentland <harry.wentland@amd.com>

Harry

> ---
> include/drm/drm_dp_helper.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index 51ecb5112ef8..b2057009aabc 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -1042,6 +1042,8 @@
> #define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1 0xf0039 /* 1.3 */
> #define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1 0xf003b /* 1.3 */
> #define DP_FEC_STATUS_PHY_REPEATER1 0xf0290 /* 1.4 */
> +#define DP_FEC_ERROR_COUNT_PHY_REPEATER1 0xf0291 /* 1.4 */
> +#define DP_FEC_CAPABILITY_PHY_REPEATER1 0xf0294 /* 1.4a */
>
> /* Repeater modes */
> #define DP_PHY_REPEATER_MODE_TRANSPARENT 0x55 /* 1.3 */
>

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