diff options
| -rw-r--r-- | Documentation/gpu/amdgpu/display/dcn-blocks.rst | 18 | ||||
| -rw-r--r-- | Documentation/gpu/amdgpu/display/index.rst | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | 13 |
3 files changed, 31 insertions, 1 deletions
diff --git a/Documentation/gpu/amdgpu/display/dcn-blocks.rst b/Documentation/gpu/amdgpu/display/dcn-blocks.rst new file mode 100644 index 000000000000..5da34d5b73d8 --- /dev/null +++ b/Documentation/gpu/amdgpu/display/dcn-blocks.rst @@ -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: diff --git a/Documentation/gpu/amdgpu/display/index.rst b/Documentation/gpu/amdgpu/display/index.rst index f8a4f53d70d8..b09d1434754d 100644 --- a/Documentation/gpu/amdgpu/display/index.rst +++ b/Documentation/gpu/amdgpu/display/index.rst @@ -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 diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h index 7f3f9b69e903..dedc5370023e 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h @@ -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, |