On Wed, 14 Feb 2018, Anusha Srivatsa <anusha.sriva...@intel.com> wrote:
> Forward Error Correction is supported on DP 1.4.
> This patch adds corresponding DPCD register definitions.
>
> v2: Add dri-devel mailing list to the CC list(Jani)
>
> v3: Change names, add missing masks (Manasi)
>
> v4: Add missing shifts to mask (Manasi)
>
> v5: Arrange the definitions in ascending order
> of the address (Jani)
>
> v6: remove unnecessary definitions. Add missing masks,
> add "/* 1.4 */" to offset definitions. (Jani)
>
> Cc: dri-de...@lists.freedesktop.org
> Cc: Ville Syrjala <ville.syrj...@linux.intel.com>
> Cc: Jani Nikula <jani.nik...@linux.intel.com>
> Cc: Manasi Navare <manasi.d.nav...@intel.com>
> Signed-off-by: Anusha Srivatsa <anusha.sriva...@intel.com>

Pushed to drm-misc-next, thanks for the patch.

BR,
Jani.

> ---
>  include/drm/drm_dp_helper.h | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index c239e6e..4de97e9 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -329,6 +329,13 @@
>  # define DP_DS_12BPC                     2
>  # define DP_DS_16BPC                     3
>  
> +/* DP Forward error Correction Registers */
> +#define DP_FEC_CAPABILITY                0x090    /* 1.4 */
> +# define DP_FEC_CAPABLE                          (1 << 0)
> +# 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)
> +
>  /* link configuration */
>  #define      DP_LINK_BW_SET                      0x100
>  # define DP_LINK_RATE_TABLE              0x00    /* eDP 1.4 */
> @@ -445,6 +452,19 @@
>  #define DP_UPSTREAM_DEVICE_DP_PWR_NEED           0x118   /* 1.2 */
>  # define DP_PWR_NOT_NEEDED               (1 << 0)
>  
> +#define DP_FEC_CONFIGURATION             0x120    /* 1.4 */
> +# define DP_FEC_READY                            (1 << 0)
> +# define DP_FEC_ERR_COUNT_SEL_MASK       (7 << 1)
> +# define DP_FEC_ERR_COUNT_DIS                    (0 << 1)
> +# define DP_FEC_UNCORR_BLK_ERROR_COUNT           (1 << 1)
> +# define DP_FEC_CORR_BLK_ERROR_COUNT     (2 << 1)
> +# define DP_FEC_BIT_ERROR_COUNT                  (3 << 1)
> +# define DP_FEC_LANE_SELECT_MASK         (3 << 4)
> +# define DP_FEC_LANE_0_SELECT                    (0 << 4)
> +# define DP_FEC_LANE_1_SELECT                    (1 << 4)
> +# define DP_FEC_LANE_2_SELECT                    (2 << 4)
> +# define DP_FEC_LANE_3_SELECT                    (3 << 4)
> +
>  #define DP_AUX_FRAME_SYNC_VALUE                  0x15c   /* eDP 1.4 */
>  # define DP_AUX_FRAME_SYNC_VALID         (1 << 0)
>  
> @@ -620,6 +640,16 @@
>  #define DP_TEST_SINK                     0x270
>  # define DP_TEST_SINK_START              (1 << 0)
>  
> +#define DP_FEC_STATUS                            0x280    /* 1.4 */
> +# define DP_FEC_DECODE_EN_DETECTED       (1 << 0)
> +# define DP_FEC_DECODE_DIS_DETECTED      (1 << 1)
> +
> +#define DP_FEC_ERROR_COUNT_LSB                   0x0281    /* 1.4 */
> +
> +#define DP_FEC_ERROR_COUNT_MSB                   0x0282    /* 1.4 */
> +# define DP_FEC_ERROR_COUNT_MASK         0x7F
> +# define DP_FEC_ERR_COUNT_VALID                  (1 << 7)
> +
>  #define DP_PAYLOAD_TABLE_UPDATE_STATUS      0x2c0   /* 1.2 MST */
>  # define DP_PAYLOAD_TABLE_UPDATED           (1 << 0)
>  # define DP_PAYLOAD_ACT_HANDLED             (1 << 1)

-- 
Jani Nikula, Intel Open Source Technology Center
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