From patchwork Mon Sep 25 19:49:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Melissa Wen X-Patchwork-Id: 13398365 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C483FCE79A2 for ; Mon, 25 Sep 2023 19:51:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6E02310E30F; Mon, 25 Sep 2023 19:50:55 +0000 (UTC) Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6754110E2E8; Mon, 25 Sep 2023 19:50:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=11uH0YUT8OMtmyURW/stR8qFoK5Rh04+SovDj9rW8iY=; b=X2ckoqbaT9umKtg9rbBo54CJCq oZI/W+V5TJnMw0Zv9RVJp2ov1R3o20J5pm+0GH5cqEaGHaAOgfob/IdXgOyxl2gys8XQkY8uoR1pX 20O+lfuoLHbKB9fgaXLqO/IG06eN8TeStolaPmn9EDZOOcQqe6Gormz71wEgVygXUYQxTbWLd+awS ZE1cb742890GElE5CnIgZyKBpTjdPSw0v9Iz5HZOQgyFVPNSZQkexQNmyvFFqYa4dOpvRZDd8pJNJ y5UuqGBq7yVlPBePAJKW99gYUP+8wt2XtAL5aNBNIasVSvi5pInhYKrF/Nn2Mm0SnaJt4csORH6RT aeJQJZPA==; Received: from [102.213.205.115] (helo=killbill.home) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1qkrb0-008GsG-CF; Mon, 25 Sep 2023 21:50:18 +0200 From: Melissa Wen To: amd-gfx@lists.freedesktop.org, Harry Wentland , Rodrigo Siqueira , sunpeng.li@amd.com, Alex Deucher , dri-devel@lists.freedesktop.org, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch Subject: [PATCH v3 19/32] drm/amd/display: add plane degamma TF and LUT support Date: Mon, 25 Sep 2023 18:49:19 -0100 Message-Id: <20230925194932.1329483-20-mwen@igalia.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230925194932.1329483-1-mwen@igalia.com> References: <20230925194932.1329483-1-mwen@igalia.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sebastian Wick , Pekka Paalanen , Shashank Sharma , Alex Hung , Xaver Hugl , kernel-dev@igalia.com, Nicholas Kazlauskas , Joshua Ashton , sungjoon.kim@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Joshua Ashton Set DC plane with user degamma LUT or predefined TF from driver-specific plane color properties. If plane and CRTC degamma are set in the same time, plane degamma has priority. That means, we only set CRTC degamma if we don't have plane degamma LUT or TF to configure. We return -EINVAL if we don't have plane degamma settings, so we can continue and check CRTC degamma. Reviewed-by: Harry Wentland Signed-off-by: Joshua Ashton Signed-off-by: Melissa Wen --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 +- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 1 + .../amd/display/amdgpu_dm/amdgpu_dm_color.c | 70 +++++++++++++++++-- 3 files changed, 69 insertions(+), 6 deletions(-) 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 f239326d85b9..341cde61bf0b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5130,7 +5130,9 @@ static int fill_dc_plane_attributes(struct amdgpu_device *adev, * Always set input transfer function, since plane state is refreshed * every time. */ - ret = amdgpu_dm_update_plane_color_mgmt(dm_crtc_state, dc_plane_state); + ret = amdgpu_dm_update_plane_color_mgmt(dm_crtc_state, + plane_state, + dc_plane_state); if (ret) return ret; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 0140f4fb903e..b7b1d67f87a0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -907,6 +907,7 @@ int amdgpu_dm_create_color_properties(struct amdgpu_device *adev); int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state); int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc); int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, + struct drm_plane_state *plane_state, struct dc_plane_state *dc_plane_state); void amdgpu_dm_update_connector_after_detect( 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 aa34501e2a32..a02c85511a3a 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 @@ -839,9 +839,58 @@ map_crtc_degamma_to_dc_plane(struct dm_crtc_state *crtc, return 0; } +static int +__set_dm_plane_degamma(struct drm_plane_state *plane_state, + struct dc_plane_state *dc_plane_state) +{ + struct dm_plane_state *dm_plane_state = to_dm_plane_state(plane_state); + const struct drm_color_lut *degamma_lut; + enum amdgpu_transfer_function tf = AMDGPU_TRANSFER_FUNCTION_DEFAULT; + uint32_t degamma_size; + bool has_degamma_lut; + int ret; + + degamma_lut = __extract_blob_lut(dm_plane_state->degamma_lut, + °amma_size); + + has_degamma_lut = degamma_lut && + !__is_lut_linear(degamma_lut, degamma_size); + + tf = dm_plane_state->degamma_tf; + + /* If we don't have plane degamma LUT nor TF to set on DC, we have + * nothing to do here, return. + */ + if (!has_degamma_lut && tf == AMDGPU_TRANSFER_FUNCTION_DEFAULT) + return -EINVAL; + + dc_plane_state->in_transfer_func->tf = amdgpu_tf_to_dc_tf(tf); + + if (has_degamma_lut) { + ASSERT(degamma_size == MAX_COLOR_LUT_ENTRIES); + + dc_plane_state->in_transfer_func->type = + TF_TYPE_DISTRIBUTED_POINTS; + + ret = __set_input_tf(dc_plane_state->in_transfer_func, + degamma_lut, degamma_size); + if (ret) + return ret; + } else { + dc_plane_state->in_transfer_func->type = + TF_TYPE_PREDEFINED; + + if (!mod_color_calculate_degamma_params(NULL, + dc_plane_state->in_transfer_func, NULL, false)) + return -ENOMEM; + } + return 0; +} + /** * amdgpu_dm_update_plane_color_mgmt: Maps DRM color management to DC plane. * @crtc: amdgpu_dm crtc state + * @plane_state: DRM plane state * @dc_plane_state: target DC surface * * Update the underlying dc_stream_state's input transfer function (ITF) in @@ -852,13 +901,28 @@ map_crtc_degamma_to_dc_plane(struct dm_crtc_state *crtc, * 0 on success. -ENOMEM if mem allocation fails. */ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, + struct drm_plane_state *plane_state, struct dc_plane_state *dc_plane_state) { bool has_crtc_cm_degamma; int ret; + /* Initially, we can just bypass the DGM block. */ + dc_plane_state->in_transfer_func->type = TF_TYPE_BYPASS; + dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_LINEAR; + + /* After, we start to update values according to color props */ has_crtc_cm_degamma = (crtc->cm_has_degamma || crtc->cm_is_degamma_srgb); - if (has_crtc_cm_degamma){ + + ret = __set_dm_plane_degamma(plane_state, dc_plane_state); + if (ret != -EINVAL) + return ret; + + /* If we are here, it means we don't have plane degamma settings, check + * if we have CRTC degamma waiting for mapping to pre-blending degamma + * block + */ + if (has_crtc_cm_degamma) { /* AMD HW doesn't have post-blending degamma caps. When DRM * CRTC atomic degamma is set, we maps it to DPP degamma block * (pre-blending) or, on legacy gamma, we use DPP degamma to @@ -868,10 +932,6 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, ret = map_crtc_degamma_to_dc_plane(crtc, dc_plane_state); if (ret) return ret; - } else { - /* ...Otherwise we can just bypass the DGM block. */ - dc_plane_state->in_transfer_func->type = TF_TYPE_BYPASS; - dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_LINEAR; } return 0;