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client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DS1PEPF0000E631.mail.protection.outlook.com (10.167.17.135) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6178.13 via Frontend Transport; Tue, 7 Mar 2023 15:11:15 +0000 Received: from SATLEXMB08.amd.com (10.181.40.132) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Tue, 7 Mar 2023 09:11:14 -0600 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB08.amd.com (10.181.40.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Tue, 7 Mar 2023 07:11:14 -0800 Received: from localhost.localdomain (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Tue, 7 Mar 2023 09:11:13 -0600 From: Harry Wentland To: , Subject: [PATCH v3 00/17] Enable Colorspace connector property in amdgpu Date: Tue, 7 Mar 2023 10:10:50 -0500 Message-ID: <20230307151107.49649-1-harry.wentland@amd.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Type: text/plain; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230025)(4636009)(376002)(39860400002)(136003)(346002)(396003)(451199018)(36840700001)(40470700004)(46966006)(44832011)(83380400001)(70586007)(8676002)(4326008)(70206006)(86362001)(82310400005)(426003)(81166007)(40480700001)(2616005)(336012)(356005)(186003)(36860700001)(82740400003)(26005)(36756003)(110136005)(6666004)(966005)(1076003)(478600001)(66574015)(47076005)(40460700003)(316002)(54906003)(5660300002)(2906002)(8936002)(41300700001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Mar 2023 15:11:15.1092 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fc9d73cb-ead4-483f-a3fb-08db1f1e3209 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0000E631.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4471 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sebastian Wick , =?UTF-8?q?Michel=20D=C3=A4nzer?= , Jani Nikula , Pekka Paalanen , Uma Shankar , Vitaly.Prosyak@amd.com, Joshua Ashton , Harry Wentland , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This patchset is based on Joshua's previous patchset [1], as well as my previous patchset [2]. It is - enabling support for the colorspace property in amdgpu, as well as - allowing drivers to specify the supported set of colorspaces, and - deprecating the BT2020_YCC and BT2020_RGB properties in favor of a common BT2020 property. We leave the BT2020_CYCC property untouched for now, same as the other _YVV properties. If they'll see use later we might need to do something similar there, or allow userspace to decide on the output encoding (RGB vs YUV). Colorspace, Infoframes, and YCbCr matrix --------------------------------------- Even though the initial intent of the colorspace property was to set the colorspace field in the respective HDMI AVI and DP SDP infoframes that is not sufficient in all scenarios. For DP the colorspace information also affects the MSA (main stream attribute) packet. For YUV output the colorspace affects the RGB-to-YCbCr conversion matrix. The colorspace field of the infopackets also depends on the encoding used, which is something that is decided by the driver and not known to userspace. For these reasons a driver will need to be able to select the supported colorspaces at property creation. Note: There seems to be an understanding that the colorspace property should ONLY modify the infoframe. While this is current behavior and sufficient in some cases it is nowhere specified that this should be the only use of this property. As outlined above this limitation is not going to work in all cases. This patchset does not affect current behavior for the drivers that implement this property: i915 and vc4. In the future we might want to give userspace control over the encoding format on the wire, in particular to avoid use of YUV420 when image fidelity is important. This work would likely go hand in hand with a min_bpc property and wouldn't conflict with the work done in this patchset. Colorspace on crtc or connector? -------------------------------- There have been suggestions of programming 'colorspace' on the drm_crtc but I don't think the crtc is the right place for this property. The drm_plane and drm_crtc will be used to offload color processing that would normally be done via the GFX or other pipelines. The drm_connector controls the signalling with the display and ensures the wire format is appropriate for the encoding by programming the RGB-to-YCbCr matrix. [1] https://patchwork.freedesktop.org/series/113632/ [2] https://patchwork.freedesktop.org/series/111865/ v2: - Tested with DP and HDMI analyzers - Confirmed driver will fallback to lower bpc when needed - Dropped hunk to set HDMI AVI infoframe as it was a no-op - Fixed BT.2020 YCbCr colorimetry (JoshuaAshton) - Simplify initialization of supported colorspaces (Jani) - Fix kerneldoc (kernel test robot) v3: - Added documentation for colorspaces (Pekka, Joshua) - Split 'Allow drivers to pass list of supported colorspaces' patch to pull out code to create common colorspace array and keep it separate from change to create only supported colorspaces Cc: Pekka Paalanen Cc: Sebastian Wick Cc: Vitaly.Prosyak@amd.com Cc: Uma Shankar Cc: Ville Syrjälä Cc: Joshua Ashton Cc: Jani Nikula Cc: Michel Dänzer Cc: dri-devel@lists.freedesktop.org Cc: amd-gfx@lists.freedesktop.org Harry Wentland (12): drm/connector: Convert DRM_MODE_COLORIMETRY to enum drm/connector: Pull out common create_colorspace_property code drm/connector: Use common colorspace_names array drm/connector: Print connector colorspace in state debugfs drm/connector: Allow drivers to pass list of supported colorspaces drm/amd/display: Always pass connector_state to stream validation drm/amd/display: Register Colorspace property for DP and HDMI drm/amd/display: Signal mode_changed if colorspace changed drm/amd/display: Send correct DP colorspace infopacket drm/amd/display: Add support for explicit BT601_YCC drm/amd/display: Add debugfs for testing output colorspace drm/amd/display: Add default case for output_color_space switch Joshua Ashton (5): drm/connector: Add enum documentation to drm_colorspace drm/connector: Deprecate split for BT.2020 in drm_colorspace enum drm/amd/display: Always set crtcinfo from create_stream_for_sink drm/amd/display: Fallback to 2020_YCBCR if the pixel encoding is not RGB drm/amd/display: Refactor avi_info_frame colorimetry determination .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 84 +++++--- .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 57 ++++++ .../gpu/drm/amd/display/dc/core/dc_resource.c | 28 +-- drivers/gpu/drm/display/drm_hdmi_helper.c | 7 +- drivers/gpu/drm/drm_atomic.c | 1 + drivers/gpu/drm/drm_connector.c | 182 +++++++++++------- .../gpu/drm/i915/display/intel_connector.c | 4 +- drivers/gpu/drm/i915/display/intel_dp.c | 14 +- drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +- include/drm/display/drm_dp.h | 2 +- include/drm/drm_connector.h | 128 +++++++++--- 11 files changed, 363 insertions(+), 146 deletions(-) -- 2.39.2