From patchwork Thu Oct 5 17:15:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Melissa Wen X-Patchwork-Id: 13410475 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 2DDFBE9271C for ; Thu, 5 Oct 2023 17:16:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 42A0D10E435; Thu, 5 Oct 2023 17:15:50 +0000 (UTC) Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2B87A10E438; Thu, 5 Oct 2023 17:15:44 +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=G0TofWVYYLrKSIAzK2JHYSM88tJ88aC7iKBCCtlPCTs=; b=FRQAKDG6CVgWHt30QwDNnw0V/M /CehdnynSHqghvZZHut9dDgSS8iDhDfTfCBNPvdDnPtG4QGjLoOzhVZNrAYfzSZEaiq59v64ItH/4 xAKFvXXsE5kX9QQAvy0kaia3rKpH7qdAFmXM8Kl18cMkcKlCMQ+cEr7HYl/lwhqCu8BR6eRAnjLqH IR19kAEo8KBm6DJrLuTcR6qEJ5Ao+nfdP69CpjI/TFEECpo32G/ybvgW2qYKhJm8MSAe3QvrpI/jX pD2VpWSPvLmnIMf8mtIxo8Ou0EeEu73qm8Ns0WMO+eEqMZERGI2mexZyxRkhCIGFWNNyXNN93oxrZ Q8GbJV7g==; 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 1qoRwr-00CFJN-V5; Thu, 05 Oct 2023 19:15:42 +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 v4 05/32] drm/amd/display: add plane degamma TF driver-specific property Date: Thu, 5 Oct 2023 16:15:00 -0100 Message-Id: <20231005171527.203657-6-mwen@igalia.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231005171527.203657-1-mwen@igalia.com> References: <20231005171527.203657-1-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 Allow userspace to tell the kernel driver the input space and, therefore, uses correct predefined transfer function (TF) to go from encoded values to linear values. v2: - rename TF enum prefix from DRM_ to AMDGPU_ (Harry) - remove HLG TF Reviewed-by: Harry Wentland Signed-off-by: Joshua Ashton Co-developed-by: Melissa Wen Signed-off-by: Melissa Wen --- drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 5 +++++ .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 19 +++++++++++++++++ .../amd/display/amdgpu_dm/amdgpu_dm_color.c | 21 +++++++++++++++++++ .../amd/display/amdgpu_dm/amdgpu_dm_plane.c | 19 +++++++++++++++-- 4 files changed, 62 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h index 2d00802b3265..9b6fab86c6c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h @@ -354,6 +354,11 @@ struct amdgpu_mode_info { * size of degamma LUT as supported by the driver (read-only). */ struct drm_property *plane_degamma_lut_size_property; + /** + * @plane_degamma_tf_property: Plane pre-defined transfer function to + * to go from scanout/encoded values to linear values. + */ + struct drm_property *plane_degamma_tf_property; }; #define AMDGPU_MAX_BL_LEVEL 0xFF 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 0f565469b4b5..4c4cdf7fc6be 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -724,6 +724,18 @@ struct amdgpu_dm_wb_connector { extern const struct amdgpu_ip_block_version dm_ip_block; +enum amdgpu_transfer_function { + AMDGPU_TRANSFER_FUNCTION_DEFAULT, + AMDGPU_TRANSFER_FUNCTION_SRGB, + AMDGPU_TRANSFER_FUNCTION_BT709, + AMDGPU_TRANSFER_FUNCTION_PQ, + AMDGPU_TRANSFER_FUNCTION_LINEAR, + AMDGPU_TRANSFER_FUNCTION_UNITY, + AMDGPU_TRANSFER_FUNCTION_GAMMA22, + AMDGPU_TRANSFER_FUNCTION_GAMMA24, + AMDGPU_TRANSFER_FUNCTION_GAMMA26, +}; + struct dm_plane_state { struct drm_plane_state base; struct dc_plane_state *dc_state; @@ -737,6 +749,13 @@ struct dm_plane_state { * The blob (if not NULL) is an array of &struct drm_color_lut. */ struct drm_property_blob *degamma_lut; + /** + * @degamma_tf: + * + * Predefined transfer function to tell DC driver the input space to + * linearize. + */ + enum amdgpu_transfer_function degamma_tf; }; struct dm_crtc_state { 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 cf175b86ba80..56ce008b9095 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 @@ -85,6 +85,18 @@ void amdgpu_dm_init_color_mod(void) } #ifdef AMD_PRIVATE_COLOR +static const struct drm_prop_enum_list amdgpu_transfer_function_enum_list[] = { + { AMDGPU_TRANSFER_FUNCTION_DEFAULT, "Default" }, + { AMDGPU_TRANSFER_FUNCTION_SRGB, "sRGB" }, + { AMDGPU_TRANSFER_FUNCTION_BT709, "BT.709" }, + { AMDGPU_TRANSFER_FUNCTION_PQ, "PQ (Perceptual Quantizer)" }, + { AMDGPU_TRANSFER_FUNCTION_LINEAR, "Linear" }, + { AMDGPU_TRANSFER_FUNCTION_UNITY, "Unity" }, + { AMDGPU_TRANSFER_FUNCTION_GAMMA22, "Gamma 2.2" }, + { AMDGPU_TRANSFER_FUNCTION_GAMMA24, "Gamma 2.4" }, + { AMDGPU_TRANSFER_FUNCTION_GAMMA26, "Gamma 2.6" }, +}; + int amdgpu_dm_create_color_properties(struct amdgpu_device *adev) { @@ -104,6 +116,15 @@ amdgpu_dm_create_color_properties(struct amdgpu_device *adev) return -ENOMEM; adev->mode_info.plane_degamma_lut_size_property = prop; + prop = drm_property_create_enum(adev_to_drm(adev), + DRM_MODE_PROP_ENUM, + "AMD_PLANE_DEGAMMA_TF", + amdgpu_transfer_function_enum_list, + ARRAY_SIZE(amdgpu_transfer_function_enum_list)); + if (!prop) + return -ENOMEM; + adev->mode_info.plane_degamma_tf_property = prop; + return 0; } #endif diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c index 69357a8ae887..04af6db8cffd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c @@ -1332,8 +1332,11 @@ static void dm_drm_plane_reset(struct drm_plane *plane) amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL); WARN_ON(amdgpu_state == NULL); - if (amdgpu_state) - __drm_atomic_helper_plane_reset(plane, &amdgpu_state->base); + if (!amdgpu_state) + return; + + __drm_atomic_helper_plane_reset(plane, &amdgpu_state->base); + amdgpu_state->degamma_tf = AMDGPU_TRANSFER_FUNCTION_DEFAULT; } static struct drm_plane_state * @@ -1356,6 +1359,8 @@ dm_drm_plane_duplicate_state(struct drm_plane *plane) if (dm_plane_state->degamma_lut) drm_property_blob_get(dm_plane_state->degamma_lut); + dm_plane_state->degamma_tf = old_dm_plane_state->degamma_tf; + return &dm_plane_state->base; } @@ -1447,6 +1452,9 @@ dm_atomic_plane_attach_color_mgmt_properties(struct amdgpu_display_manager *dm, drm_object_attach_property(&plane->base, mode_info.plane_degamma_lut_size_property, MAX_COLOR_LUT_ENTRIES); + drm_object_attach_property(&plane->base, + dm->adev->mode_info.plane_degamma_tf_property, + AMDGPU_TRANSFER_FUNCTION_DEFAULT); } } @@ -1469,6 +1477,11 @@ dm_atomic_plane_set_property(struct drm_plane *plane, &replaced); dm_plane_state->base.color_mgmt_changed |= replaced; return ret; + } else if (property == adev->mode_info.plane_degamma_tf_property) { + if (dm_plane_state->degamma_tf != val) { + dm_plane_state->degamma_tf = val; + dm_plane_state->base.color_mgmt_changed = 1; + } } else { drm_dbg_atomic(plane->dev, "[PLANE:%d:%s] unknown property [PROP:%d:%s]]\n", @@ -1492,6 +1505,8 @@ dm_atomic_plane_get_property(struct drm_plane *plane, if (property == adev->mode_info.plane_degamma_lut_property) { *val = (dm_plane_state->degamma_lut) ? dm_plane_state->degamma_lut->base.id : 0; + } else if (property == adev->mode_info.plane_degamma_tf_property) { + *val = dm_plane_state->degamma_tf; } else { return -EINVAL; }