diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | 13 |
1 files changed, 12 insertions, 1 deletions
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, |