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Documentation/gpu: Add basic page for HUBP

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Create the HUBP documentation page and add the doc references to extract
the HUBP code documentation.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Hamza Mahfooz <hamza.mahfooz@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira 2024-01-22 14:24:54 -07:00 committed by Alex Deucher
parent a91cf53a10
commit ee0a54a6ef
3 changed files with 31 additions and 1 deletions
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18
Documentation/gpu/amdgpu/display/dcn-blocks.rst Normal file
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@ -0,0 +1,18 @@
==========
DCN Blocks
==========
In this section, you will find some extra details about some of the DCN blocks
and the code documentation when it is automatically generated.
HUBP
----
.. 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:

1
Documentation/gpu/amdgpu/display/index.rst
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@ -28,5 +28,6 @@ table of content:
display-manager.rst
dc-debug.rst
dcn-overview.rst
dcn-blocks.rst
mpo-overview.rst
dc-glossary.rst

13
drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h
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@ -26,13 +26,24 @@
#ifndef __DAL_HUBP_H__
#define __DAL_HUBP_H__
/**
* DOC: overview
*
* Display Controller Hub (DCHUB) is the gateway between the Scalable Data Port
* (SDP) and DCN. This component has multiple features, such as memory
* arbitration, rotation, and cursor manipulation.
*
* There is one HUBP allocated per pipe, which fetches data and converts
* different pixel formats (i.e. ARGB8888, NV12, etc) into linear, interleaved
* and fixed-depth streams of pixel data.
*/
#include "mem_input.h"
#include "cursor_reg_cache.h"
#define OPP_ID_INVALID 0xf
#define MAX_TTU 0xffffff
enum cursor_pitch {
CURSOR_PITCH_64_PIXELS = 0,
CURSOR_PITCH_128_PIXELS,