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Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB4A.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7356 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: Harry Wentland , Rodrigo Siqueira , amd-gfx@lists.freedesktop.org, linux-doc@vger.kernel.org Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This commit introduces basic DPP information and the struct scan for code documentation. Cc: Mario Limonciello Cc: Alex Deucher Cc: Harry Wentland Cc: Hamza Mahfooz Cc: Christian König Cc: Aurabindo Pillai Signed-off-by: Rodrigo Siqueira --- .../gpu/amdgpu/display/dcn-blocks.rst | 12 +++++++++ drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h | 26 +++++++++++++++++++ 2 files changed, 38 insertions(+) diff --git a/Documentation/gpu/amdgpu/display/dcn-blocks.rst b/Documentation/gpu/amdgpu/display/dcn-blocks.rst index e4e0a4ddca4e..83fc4a03113e 100644 --- a/Documentation/gpu/amdgpu/display/dcn-blocks.rst +++ b/Documentation/gpu/amdgpu/display/dcn-blocks.rst @@ -28,3 +28,15 @@ HUBP .. kernel-doc:: drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h :internal: + +DPP +--- + +.. kernel-doc:: drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h + :doc: overview + +.. kernel-doc:: drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h + :export: + +.. kernel-doc:: drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h + :internal: diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h index 4e604bf24f51..a962a9f36845 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h @@ -27,6 +27,32 @@ #ifndef __DAL_DPP_H__ #define __DAL_DPP_H__ +/** + * DOC: overview + * + * The DPP (Display Pipe and Plane) block is the unified display data + * processing engine in DCN for processing graphic or video data on per DPP + * rectangle base. This rectangle can be a part of SLS (Single Large Surface), + * or a layer to be blended with other DPP, or a rectangle associated with a + * display tile. + * + * It provides various functions including: + * - graphic color keyer + * - graphic cursor compositing + * - graphic or video image source to destination scaling + * - image sharping + * - video format conversion from 4:2:0 or 4:2:2 to 4:4:4 + * - Color Space Conversion + * - Host LUT gamma adjustment + * - Color Gamut Remap + * - brightness and contrast adjustment. + * + * DPP pipe consists of Converter and Cursor (CNVC), Scaler (DSCL), Color + * Management (CM), Output Buffer (OBUF) and Digital Bypass (DPB) module + * connected in a video/graphics pipeline. + */ + + #include "transform.h" #include "cursor_reg_cache.h" -- 2.43.0