All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jani Nikula <jani.nikula@linux.intel.com>
To: Anusha Srivatsa <anusha.srivatsa@intel.com>,
	intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm: Add DPCD definitions for DP 1.4 FEC feature
Date: Thu, 23 Nov 2017 09:15:24 +0200	[thread overview]
Message-ID: <87ine1tqib.fsf@intel.com> (raw)
In-Reply-To: <1511387341-10857-1-git-send-email-anusha.srivatsa@intel.com>

On Wed, 22 Nov 2017, Anusha Srivatsa <anusha.srivatsa@intel.com> wrote:
> Forward Error Correction is supported on DP 1.4.
> This patch adds corresponding DPCD register definitions.

Needs to be posted on dri-devel.

BR,
Jani.


>
> Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: Manasi Navare <manasi.d.navare@intel.com>
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
> ---
>  include/drm/drm_dp_helper.h | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index 9049ef1..b0eee16 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -284,6 +284,35 @@
>  # define DP_DSC_BITS_PER_PIXEL_1_2          0x3
>  # define DP_DSC_BITS_PER_PIXEL_1            0x4
>  
> +/* DP Forward error Correction Registers */
> +#define DP_FEC_CAPABILITY		    0x090
> +# 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)
> +
> +#define DP_FEC_CONFIGURATION		    0x120
> +# define DP_FEC_READY			    (1 << 0)
> +# 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_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_FEC_STATUS			    0x280
> +# define DP_FEC_EN_DETECTED		    (1 << 0)
> +# define DP_FEC_DEC_DETECTED		    (1 << 1)
> +
> +#define DP_FEC_ERROR_COUNT_1		    0x0281
> +# define DP_FEC_ERR_COUNT_7_0(err_count)    (err_count << 0)
> +
> +#define DP_FEC_ERROR_COUNT_2		    0x0282
> +# define DP_FEC_ERR_COUNT_14_8(err_count)   (err_count << 0)
> +# define DP_FEC_ERR_COUNT_VALID		    (1 << 7)
> +
>  #define DP_PSR_SUPPORT                      0x070   /* XXX 1.2? */
>  # define DP_PSR_IS_SUPPORTED                1
>  # define DP_PSR2_IS_SUPPORTED		    2	    /* eDP 1.4 */

-- 
Jani Nikula, Intel Open Source Technology Center
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  parent reply	other threads:[~2017-11-23  7:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-22 21:49 [PATCH] drm: Add DPCD definitions for DP 1.4 FEC feature Anusha Srivatsa
2017-11-22 22:29 ` ✓ Fi.CI.BAT: success for " Patchwork
2017-11-22 23:32 ` ✓ Fi.CI.IGT: " Patchwork
2017-11-23  7:15 ` Jani Nikula [this message]
2017-11-28  0:59   ` [PATCH] " Srivatsa, Anusha
  -- strict thread matches above, loose matches on Subject: below --
2017-11-28  0:55 Anusha Srivatsa
2017-12-21 20:36 ` Manasi Navare
2017-12-21 20:51   ` Srivatsa, Anusha
2017-12-22 22:02 Anusha Srivatsa
2017-12-22 23:39 ` Manasi Navare
2018-02-14  7:59 Anusha Srivatsa
2018-02-14 11:59 ` Jani Nikula
2018-02-14 19:28 ` Anusha Srivatsa
2018-02-15 13:53   ` Jani Nikula

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87ine1tqib.fsf@intel.com \
    --to=jani.nikula@linux.intel.com \
    --cc=anusha.srivatsa@intel.com \
    --cc=intel-gfx@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.