Intel-GFX Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: "Lisovskiy, Stanislav" <stanislav.lisovskiy@intel.com>
To: Imre Deak <imre.deak@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v2 23/29] drm/i915/dp_mst: Enable DSC passthrough
Date: Fri, 27 Oct 2023 15:26:15 +0300	[thread overview]
Message-ID: <ZTusZwuUcVcAwKkh@intel.com> (raw)
In-Reply-To: <20231024102219.4035939-4-imre.deak@intel.com>

On Tue, Oct 24, 2023 at 01:22:19PM +0300, Imre Deak wrote:
> Enable passing through DSC streams to the sink in last branch devices.
> 
> v2:
> - Fix the DPCD register address while setting/clearing the passthrough
>   flag.
> 
> Signed-off-by: Imre Deak <imre.deak@intel.com>

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 26 ++++++++++++++++++++++++-
>  1 file changed, 25 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 0101e17515b33..51d6ab170a894 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -2968,6 +2968,24 @@ intel_dp_sink_set_dsc_decompression(struct intel_connector *connector,
>  			    str_enable_disable(enable));
>  }
>  
> +static void
> +intel_dp_sink_set_dsc_passthrough(const struct intel_connector *connector,
> +				  bool enable)
> +{
> +	struct drm_i915_private *i915 = to_i915(connector->base.dev);
> +	struct drm_dp_aux *aux = connector->port ?
> +				 connector->port->passthrough_aux : NULL;
> +
> +	if (!aux)
> +		return;
> +
> +	if (write_dsc_decompression_flag(aux,
> +					 DP_DSC_PASSTHROUGH_EN, enable) < 0)
> +		drm_dbg_kms(&i915->drm,
> +			    "Failed to %s sink compression passthrough state\n",
> +			    str_enable_disable(enable));
> +}
> +
>  void intel_dp_sink_set_decompression_state(struct intel_connector *connector,
>  					   const struct intel_crtc_state *crtc_state,
>  					   bool enable)
> @@ -2980,7 +2998,13 @@ void intel_dp_sink_set_decompression_state(struct intel_connector *connector,
>  	if (drm_WARN_ON(&i915->drm, !connector->dp.dsc_decompression_aux))
>  		return;
>  
> -	intel_dp_sink_set_dsc_decompression(connector, enable);
> +	if (enable) {
> +		intel_dp_sink_set_dsc_passthrough(connector, true);
> +		intel_dp_sink_set_dsc_decompression(connector, true);
> +	} else {
> +		intel_dp_sink_set_dsc_decompression(connector, false);
> +		intel_dp_sink_set_dsc_passthrough(connector, false);
> +	}
>  }
>  
>  static void
> -- 
> 2.39.2
> 

  reply	other threads:[~2023-10-27 12:26 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-24  1:08 [Intel-gfx] [PATCH 00/29] drm/i915: Improve BW management on MST links Imre Deak
2023-10-24  1:08 ` [Intel-gfx] [PATCH 01/29] drm/dp_mst: Fix fractional DSC bpp handling Imre Deak
2023-10-24  1:08 ` [Intel-gfx] [PATCH 02/29] drm/dp_mst: Add helper to determine if an MST port is downstream of another port Imre Deak
2023-10-24  1:08 ` [Intel-gfx] [PATCH 03/29] drm/dp_mst: Factor out a helper to check the atomic state of a topology manager Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 04/29] drm/dp_mst: Swap the order of checking root vs. non-root port BW limitations Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 05/29] drm/dp_mst: Allow DSC in any Synaptics last branch device Imre Deak
2023-10-27  9:21   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 06/29] drm/dp: Add DP_HBLANK_EXPANSION_CAPABLE and DSC_PASSTHROUGH_EN DPCD flags Imre Deak
2023-10-27  9:22   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 07/29] drm/dp_mst: Add HBLANK expansion quirk for Synaptics MST hubs Imre Deak
2023-10-24 10:22   ` [Intel-gfx] [PATCH v2 " Imre Deak
2023-10-27  9:23   ` [Intel-gfx] [PATCH " Lisovskiy, Stanislav
2023-10-27 12:22   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 08/29] drm/dp: Add helpers to calculate the link BW overhead Imre Deak
2023-10-24  2:47   ` kernel test robot
2023-10-24 10:22   ` [Intel-gfx] [PATCH v2 " Imre Deak
2023-10-27 12:21     ` Lisovskiy, Stanislav
2023-10-24 12:34   ` [Intel-gfx] [PATCH " kernel test robot
2023-10-25 15:47   ` kernel test robot
2023-10-24  1:09 ` [Intel-gfx] [PATCH 09/29] drm/i915/dp_mst: Enable FEC early once it's known DSC is needed Imre Deak
2023-10-24 17:27   ` Lisovskiy, Stanislav
2023-10-30  8:38   ` Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 10/29] drm/i915/dp: Specify the FEC overhead as an increment vs. a remainder Imre Deak
2023-10-25 15:27   ` Ville Syrjälä
2023-10-25 15:37     ` Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 11/29] drm/i915/dp: Pass actual BW overhead to m_n calculation Imre Deak
2023-10-24 17:28   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 12/29] drm/i915/dp_mst: Account for FEC and DSC overhead during BW allocation Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 13/29] drm/i915/dp_mst: Add atomic state for all streams on pre-tgl platforms Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 14/29] drm/i915/dp_mst: Program the DSC PPS SDP for each stream Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 15/29] drm/i915/dp: Make sure the DSC PPS SDP is disabled whenever DSC is disabled Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 16/29] drm/i915/dp_mst: Add missing DSC compression disabling Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 17/29] drm/i915/dp: Rename intel_ddi_disable_fec_state() to intel_ddi_disable_fec() Imre Deak
2023-10-25  7:58   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 18/29] drm/i915/dp: Wait for FEC detected status in the sink Imre Deak
2023-10-24 17:25   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 19/29] drm/i915/dp: Disable FEC ready flag " Imre Deak
2023-10-25  8:01   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 20/29] drm/i915/dp_mst: Handle the Synaptics HBlank expansion quirk Imre Deak
2023-10-27  7:59   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 21/29] drm/i915/dp_mst: Enable decompression in the sink from the MST encoder hooks Imre Deak
2023-10-27 12:24   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 22/29] drm/i915/dp: Enable DSC via the connector decompression AUX Imre Deak
2023-10-24 10:22   ` [Intel-gfx] [PATCH v2 " Imre Deak
2023-10-27 12:27     ` Lisovskiy, Stanislav
2023-10-25  8:30   ` [Intel-gfx] [PATCH " Lisovskiy, Stanislav
2023-10-27 12:25   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 23/29] drm/i915/dp_mst: Enable DSC passthrough Imre Deak
2023-10-24 10:22   ` [Intel-gfx] [PATCH v2 " Imre Deak
2023-10-27 12:26     ` Lisovskiy, Stanislav [this message]
2023-10-24  1:09 ` [Intel-gfx] [PATCH 24/29] drm/i915/dp_mst: Enable MST DSC decompression for all streams Imre Deak
     [not found]   ` <ZTvNCgO9NF/rl1t+@intel.com>
     [not found]     ` <ZTvO3VK+sMksD69l@ideak-desk.fi.intel.com>
2023-10-30  7:29       ` Lisovskiy, Stanislav
2023-10-30  8:09         ` Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 25/29] drm/i915: Factor out function to clear pipe update flags Imre Deak
     [not found]   ` <ZTvaXNT3C3VZGOel@intel.com>
2023-10-27 16:39     ` Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 26/29] drm/i915/dp_mst: Force modeset CRTC if DSC toggling requires it Imre Deak
2023-10-27  9:08   ` Lisovskiy, Stanislav
2023-10-24  1:09 ` [Intel-gfx] [PATCH 27/29] drm/i915/dp_mst: Improve BW sharing between MST streams Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 28/29] drm/i915/dp_mst: Check BW limitations only after all streams are computed Imre Deak
2023-10-24  1:09 ` [Intel-gfx] [PATCH 29/29] drm/i915: Query compressed bpp properly using correct DPCD and DP Spec info Imre Deak
2023-10-30  4:17   ` Nautiyal, Ankit K
2023-10-30  5:29   ` Murthy, Arun R
2023-10-24 22:09 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Improve BW management on MST links (rev5) Patchwork
2023-10-24 22:09 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2023-10-24 22:32 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2023-10-25  7:00 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-10-26 12:18 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2023-10-27 22:53 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Improve BW management on MST links (rev7) Patchwork
2023-10-27 22:53 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2023-10-27 23:04 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-10-30 21:19 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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=ZTusZwuUcVcAwKkh@intel.com \
    --to=stanislav.lisovskiy@intel.com \
    --cc=imre.deak@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox