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From: Harry Wentland <harry.wentland@amd.com>
To: Melissa Wen <mwen@igalia.com>,
	amd-gfx@lists.freedesktop.org,
	Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
	sunpeng.li@amd.com, Alex Deucher <alexander.deucher@amd.com>,
	dri-devel@lists.freedesktop.org, christian.koenig@amd.com,
	Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch
Cc: Sebastian Wick <sebastian.wick@redhat.com>,
	Pekka Paalanen <pekka.paalanen@collabora.com>,
	Shashank Sharma <Shashank.Sharma@amd.com>,
	Alex Hung <alex.hung@amd.com>, Simon Ser <contact@emersion.fr>,
	Xaver Hugl <xaver.hugl@gmail.com>,
	kernel-dev@igalia.com,
	Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>,
	Joshua Ashton <joshua@froggi.es>,
	sungjoon.kim@amd.com
Subject: Re: [PATCH v3 31/32] drm/amd/display: add plane CTM support
Date: Wed, 27 Sep 2023 14:52:34 -0400	[thread overview]
Message-ID: <d0048dde-6100-4d28-b3d8-35847a6be933@amd.com> (raw)
In-Reply-To: <20230925194932.1329483-32-mwen@igalia.com>



On 2023-09-25 15:49, Melissa Wen wrote:
> Map the plane CTM driver-specific property to DC plane, instead of DC
> stream. The remaining steps to program DPP block are already implemented
> on DC shared-code.
> 
> v3:
> - fix comment about plane and CRTC CTMs priorities (Harry)
> 
> Signed-off-by: Melissa Wen <mwen@igalia.com>
> ---
>  .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |  1 +
>  .../amd/display/amdgpu_dm/amdgpu_dm_color.c   | 25 +++++++++++++++++++
>  2 files changed, 26 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 581afa7c5f8c..e4edd97982a6 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -9714,6 +9714,7 @@ static bool should_reset_plane(struct drm_atomic_state *state,
>  		if (dm_old_other_state->degamma_tf != dm_new_other_state->degamma_tf ||
>  		    dm_old_other_state->degamma_lut != dm_new_other_state->degamma_lut ||
>  		    dm_old_other_state->hdr_mult != dm_new_other_state->hdr_mult ||
> +		    dm_old_other_state->ctm != dm_new_other_state->ctm ||
>  		    dm_old_other_state->shaper_lut != dm_new_other_state->shaper_lut ||
>  		    dm_old_other_state->shaper_tf != dm_new_other_state->shaper_tf ||
>  		    dm_old_other_state->lut3d != dm_new_other_state->lut3d ||
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
> index 26338f565574..944dccd483de 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
> @@ -1153,6 +1153,8 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
>  				      struct dc_plane_state *dc_plane_state)
>  {
>  	struct amdgpu_device *adev = drm_to_adev(crtc->base.state->dev);
> +	struct dm_plane_state *dm_plane_state = to_dm_plane_state(plane_state);
> +	struct drm_color_ctm *ctm = NULL;
>  	struct dc_color_caps *color_caps = NULL;
>  	bool has_crtc_cm_degamma;
>  	int ret;
> @@ -1204,5 +1206,28 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
>  			return ret;
>  	}
>  
> +	/* Setup CRTC CTM. */
> +	if (dm_plane_state->ctm) {
> +		ctm = (struct drm_color_ctm *)dm_plane_state->ctm->data;
> +		/* DCN2 and older don't support both pre-blending and

nit: formatting this with a newline before the comment and then:

> +		/*
> +		 * DCN2 and older don't support both pre-blending and

would make this more readable.

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

Harry

> +		 * post-blending gamut remap. For this HW family, if we have
> +		 * the plane and CRTC CTMs simultaneously, CRTC CTM takes
> +		 * priority, and we discard plane CTM, as implemented in
> +		 * dcn10_program_gamut_remap(). However, DCN3+ has DPP
> +		 * (pre-blending) and MPC (post-blending) `gamut remap` blocks;
> +		 * therefore, we can program plane and CRTC CTMs together by
> +		 * mapping CRTC CTM to MPC and keeping plane CTM setup at DPP,
> +		 * as it's done by dcn30_program_gamut_remap().
> +		 */
> +		__drm_ctm_to_dc_matrix(ctm, dc_plane_state->gamut_remap_matrix.matrix);
> +
> +		dc_plane_state->gamut_remap_matrix.enable_remap = true;
> +		dc_plane_state->input_csc_color_matrix.enable_adjustment = false;
> +	} else {
> +		/* Bypass CTM. */
> +		dc_plane_state->gamut_remap_matrix.enable_remap = false;
> +		dc_plane_state->input_csc_color_matrix.enable_adjustment = false;
> +	}
> +
>  	return amdgpu_dm_plane_set_color_properties(plane_state, dc_plane_state);
>  }


  reply	other threads:[~2023-09-27 18:52 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-25 19:49 [PATCH v3 00/32] drm/amd/display: add AMD driver-specific properties for color mgmt Melissa Wen
2023-09-25 19:49 ` [PATCH v3 01/32] drm/drm_mode_object: increase max objects to accommodate new color props Melissa Wen
2023-09-25 19:49 ` [PATCH v3 02/32] drm/drm_property: make replace_property_blob_from_id a DRM helper Melissa Wen
2023-09-25 19:49 ` [PATCH v3 03/32] drm/drm_plane: track color mgmt changes per plane Melissa Wen
2023-09-25 19:49 ` [PATCH v3 04/32] drm/amd/display: add driver-specific property for plane degamma LUT Melissa Wen
2023-09-25 19:49 ` [PATCH v3 05/32] drm/amd/display: add plane degamma TF driver-specific property Melissa Wen
2023-09-25 19:49 ` [PATCH v3 06/32] drm/amd/display: explicitly define EOTF and inverse EOTF Melissa Wen
2023-09-25 19:49 ` [PATCH v3 07/32] drm/amd/display: document AMDGPU pre-defined transfer functions Melissa Wen
2023-09-28 20:16   ` Harry Wentland
2023-09-29  7:35     ` Pekka Paalanen
2023-09-29 13:08       ` Harry Wentland
2023-09-25 19:49 ` [PATCH v3 08/32] drm/amd/display: add plane HDR multiplier driver-specific property Melissa Wen
2023-09-25 19:49 ` [PATCH v3 09/32] drm/amd/display: add plane 3D LUT driver-specific properties Melissa Wen
2023-09-27 18:47   ` Harry Wentland
2023-10-03 16:17     ` Melissa Wen
2023-09-25 19:49 ` [PATCH v3 10/32] drm/amd/display: add plane shaper LUT and TF " Melissa Wen
2023-09-25 19:49 ` [PATCH v3 11/32] drm/amd/display: add plane blend " Melissa Wen
2023-09-25 19:49 ` [PATCH v3 12/32] drm/amd/display: add CRTC gamma TF driver-specific property Melissa Wen
2023-09-25 19:49 ` [PATCH v3 13/32] drm/amd/display: add comments to describe DM crtc color mgmt behavior Melissa Wen
2023-09-25 19:49 ` [PATCH v3 14/32] drm/amd/display: encapsulate atomic regamma operation Melissa Wen
2023-09-25 19:49 ` [PATCH v3 15/32] drm/amd/display: add CRTC gamma TF support Melissa Wen
2023-09-25 19:49 ` [PATCH v3 16/32] drm/amd/display: set sdr_ref_white_level to 80 for out_transfer_func Melissa Wen
2023-09-25 19:49 ` [PATCH v3 17/32] drm/amd/display: mark plane as needing reset if color props change Melissa Wen
2023-09-25 19:49 ` [PATCH v3 18/32] drm/amd/display: decouple steps for mapping CRTC degamma to DC plane Melissa Wen
2023-09-25 19:49 ` [PATCH v3 19/32] drm/amd/display: add plane degamma TF and LUT support Melissa Wen
2023-09-25 19:49 ` [PATCH v3 20/32] drm/amd/display: reject atomic commit if setting both plane and CRTC degamma Melissa Wen
2023-09-25 19:49 ` [PATCH v3 21/32] drm/amd/display: add dc_fixpt_from_s3132 helper Melissa Wen
2023-09-25 19:49 ` [PATCH v3 22/32] drm/amd/display: add HDR multiplier support Melissa Wen
2023-09-25 19:49 ` [PATCH v3 23/32] drm/amd/display: add plane shaper LUT support Melissa Wen
2023-09-27 18:47   ` Harry Wentland
2023-09-25 19:49 ` [PATCH v3 24/32] drm/amd/display: add plane shaper TF support Melissa Wen
2023-09-25 19:49 ` [PATCH v3 25/32] drm/amd/display: add plane 3D LUT support Melissa Wen
2023-09-25 19:49 ` [PATCH v3 26/32] drm/amd/display: handle empty LUTs in __set_input_tf Melissa Wen
2023-09-25 19:49 ` [PATCH v3 27/32] drm/amd/display: add plane blend LUT and TF support Melissa Wen
2023-09-25 19:49 ` [PATCH v3 28/32] drm/amd/display: allow newer DC hardware to use degamma ROM for PQ/HLG Melissa Wen
2023-09-27 18:49   ` Harry Wentland
2023-09-25 19:49 ` [PATCH v3 29/32] drm/amd/display: copy 3D LUT settings from crtc state to stream_update Melissa Wen
2023-09-25 19:49 ` [PATCH v3 30/32] drm/amd/display: add plane CTM driver-specific property Melissa Wen
2023-09-25 19:49 ` [PATCH v3 31/32] drm/amd/display: add plane CTM support Melissa Wen
2023-09-27 18:52   ` Harry Wentland [this message]
2023-09-25 19:49 ` [PATCH v3 32/32] drm/amd/display: Add 3x4 CTM support for plane CTM Melissa Wen
2023-09-27 18:53   ` Harry Wentland

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