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 21/29] drm/i915/dp_mst: Enable decompression in the sink from the MST encoder hooks
Date: Fri, 27 Oct 2023 15:24:21 +0300 [thread overview]
Message-ID: <ZTur9VImiOo+45V8@intel.com> (raw)
In-Reply-To: <20231024010925.3949910-22-imre.deak@intel.com>
On Tue, Oct 24, 2023 at 04:09:17AM +0300, Imre Deak wrote:
> Enable/disable the DSC decompression in the sink/branch from the MST
> encoder hooks. This prepares for an upcoming patch toggling DSC for each
> stream as needed, but for now keeps the current behavior, as DSC is only
> enabled for the first MST stream.
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
>
> Signed-off-by: Imre Deak <imre.deak@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_ddi.c | 12 ++++++++----
> drivers/gpu/drm/i915/display/intel_dp_mst.c | 15 ++++++++++++++-
> 2 files changed, 22 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index 99d96762fa29c..bc438272d6d1a 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -2538,7 +2538,9 @@ static void mtl_ddi_pre_enable_dp(struct intel_atomic_state *state,
> intel_dp_set_power(intel_dp, DP_SET_POWER_D0);
>
> intel_dp_configure_protocol_converter(intel_dp, crtc_state);
> - intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true);
> + if (!is_mst)
> + intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true);
> +
> /*
> * DDI FEC: "anticipates enabling FEC encoding sets the FEC_READY bit
> * in the FEC_CONFIGURATION register to 1 before initiating link
> @@ -2689,7 +2691,8 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
> intel_dp_set_power(intel_dp, DP_SET_POWER_D0);
>
> intel_dp_configure_protocol_converter(intel_dp, crtc_state);
> - intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true);
> + if (!is_mst)
> + intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true);
> /*
> * DDI FEC: "anticipates enabling FEC encoding sets the FEC_READY bit
> * in the FEC_CONFIGURATION register to 1 before initiating link
> @@ -2769,8 +2772,9 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
> if (!is_mst)
> intel_dp_set_power(intel_dp, DP_SET_POWER_D0);
> intel_dp_configure_protocol_converter(intel_dp, crtc_state);
> - intel_dp_sink_set_decompression_state(intel_dp, crtc_state,
> - true);
> + if (!is_mst)
> + intel_dp_sink_set_decompression_state(intel_dp, crtc_state,
> + true);
> intel_dp_sink_set_fec_ready(intel_dp, crtc_state, true);
> intel_dp_start_link_train(intel_dp, crtc_state);
> if ((port != PORT_A || DISPLAY_VER(dev_priv) >= 9) &&
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index 9124e9cdf4c79..b0310f464c1cd 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -729,6 +729,13 @@ static void intel_mst_disable_dp(struct intel_atomic_state *state,
> drm_dp_remove_payload_part1(&intel_dp->mst_mgr, new_mst_state, new_payload);
>
> intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state);
> +
> + if (intel_dp->active_mst_links == 1) /* last stream ? */
> + /*
> + * TODO: disable decompression for all streams/in any MST ports, not
> + * only in the first downstream branch device.
> + */
> + intel_dp_sink_set_decompression_state(intel_dp, old_crtc_state, false);
> }
>
> static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
> @@ -883,9 +890,15 @@ static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
>
> drm_dp_send_power_updown_phy(&intel_dp->mst_mgr, connector->port, true);
>
> - if (first_mst_stream)
> + if (first_mst_stream) {
> + /*
> + * TODO: enable decompression for all streams/in any MST ports, not
> + * only in the first downstream branch device.
> + */
> + intel_dp_sink_set_decompression_state(intel_dp, pipe_config, true);
> dig_port->base.pre_enable(state, &dig_port->base,
> pipe_config, NULL);
> + }
>
> intel_dp->active_mst_links++;
>
> --
> 2.39.2
>
next prev parent reply other threads:[~2023-10-27 12:24 UTC|newest]
Thread overview: 77+ 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 ` 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 1:08 ` 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 ` 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
2023-10-24 10:22 ` 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
2023-10-24 10:22 ` Imre Deak
2023-10-27 12:21 ` [Intel-gfx] " Lisovskiy, Stanislav
[not found] ` <ZTvb3F7vo3HRK5sA@intel.com>
2023-10-27 16:40 ` Imre Deak
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 [this message]
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
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
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