From patchwork Sun Apr 23 14:10:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Melissa Wen X-Patchwork-Id: 13221357 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 565DCC77B78 for ; Sun, 23 Apr 2023 14:13:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2A23710E40D; Sun, 23 Apr 2023 14:13:54 +0000 (UTC) Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9FFCC10E404; Sun, 23 Apr 2023 14:13:47 +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=/W4Otev8naKI+sTtsOTBF0+9f4KzatyGi8o5pO95DCc=; b=pccns+OHh+ISutnzDBzunpavg5 2jNNXAWTA3OhX/+/uK59iGeX89oRWnewx768uhx1o6BKUrJNxIjW+b1a+DtS5ZSKCUWFtEKnX21f1 SPVY/Hghr7FjxlcNuYexPZuiSIop9McU/7Z1LmdCQGfdY/ZK1ime3A/8vefdoZeTtQckJlJ4TuywT JVEScpNQqXPJDmxkUW9sHzVxVtasQzZTOkKZ0aBtfY7qAZtDXkb6Q0nYEOQ3GCNgJJMgdnpSd1KVU PNWQQ7FD7BxUqH8cbfKv73KTbY9ZIpVecTnoQqQzqcRxLjEqGTWe5rjpdmnnKjP9p7/bwo0+905e+ +cS9yeaw==; Received: from nat-wifi.fi.muni.cz ([147.251.43.9] helo=killbill.fi.muni.cz) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1pqaTI-00ANVs-GJ; Sun, 23 Apr 2023 16:13:44 +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: [RFC PATCH 32/40] drm/amd/display: add support for plane degamma TF and LUT properties Date: Sun, 23 Apr 2023 13:10:44 -0100 Message-Id: <20230423141051.702990-33-mwen@igalia.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230423141051.702990-1-mwen@igalia.com> References: <20230423141051.702990-1-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 , Shashank Sharma , Alex Hung , Xaver Hugl , linux-kernel@vger.kernel.org, Nicholas Kazlauskas , Joshua Ashton , sungjoon.kim@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Joshua Ashton 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. Signed-off-by: Joshua Ashton --- .../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 | 71 +++++++++++++++++-- 3 files changed, 70 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 1dac311cab67..c0321272c129 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5043,7 +5043,9 @@ 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 b9840c1f3cdf..bcf74b7391c9 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -912,6 +912,7 @@ 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, struct dc_state *ctx); 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 518082222fff..693168cc1d9c 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 @@ -868,9 +868,59 @@ static int map_crtc_degamma_to_dc_plane(struct dm_crtc_state *crtc, return 0; } +#ifdef CONFIG_STEAM_DECK +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 drm_transfer_function drm_tf = DRM_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); + + drm_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 && drm_tf == DRM_TRANSFER_FUNCTION_DEFAULT) + return -EINVAL; + + dc_plane_state->in_transfer_func->tf = drm_tf_to_dc_tf(drm_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; +} +#endif + /** * 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 @@ -881,13 +931,28 @@ static int 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){ + +#ifdef CONFIG_STEAM_DECK + ret = __set_dm_plane_degamma(plane_state, dc_plane_state); + if (ret != -EINVAL) + return ret; + + /* As we don't have plane degamma, check if we have CRTC degamma + * waiting for mapping to pre-blending degamma block */ +#endif + 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 @@ -897,10 +962,6 @@ 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;