diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/inc/dmub_subvp_state.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_subvp_state.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_subvp_state.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_subvp_state.h new file mode 100644 index 000000000000..21b02bad696f --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_subvp_state.h @@ -0,0 +1,183 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef DMUB_SUBVP_STATE_H +#define DMUB_SUBVP_STATE_H + +#include "dmub_cmd.h" + +#define DMUB_SUBVP_INST0 0 +#define DMUB_SUBVP_INST1 1 +#define SUBVP_MAX_WATERMARK 0xFFFF + +struct dmub_subvp_hubp_state { + uint32_t CURSOR0_0_CURSOR_POSITION; + uint32_t CURSOR0_0_CURSOR_HOT_SPOT; + uint32_t CURSOR0_0_CURSOR_DST_OFFSET; + uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS_HIGH; + uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS; + uint32_t CURSOR0_0_CURSOR_SIZE; + uint32_t CURSOR0_0_CURSOR_CONTROL; + uint32_t HUBPREQ0_CURSOR_SETTINGS; + uint32_t HUBPREQ0_DCSURF_SURFACE_EARLIEST_INUSE_HIGH; + uint32_t HUBPREQ0_DCSURF_SURFACE_EARLIEST_INUSE; + uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH; + uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS; + uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS; + uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH; + uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C; + uint32_t HUBPREQ0_DCSURF_PRIMARY_SURFACE_ADDRESS_C; + uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH_C; + uint32_t HUBPREQ0_DCSURF_PRIMARY_META_SURFACE_ADDRESS_C; +}; + +enum subvp_error_code { + DMUB_SUBVP_INVALID_STATE, + DMUB_SUBVP_INVALID_TRANSITION, +}; + +enum subvp_state { + DMUB_SUBVP_DISABLED, + DMUB_SUBVP_IDLE, + DMUB_SUBVP_TRY_ACQUIRE_LOCKS, + DMUB_SUBVP_WAIT_FOR_LOCKS, + DMUB_SUBVP_PRECONFIGURE, + DMUB_SUBVP_PREPARE, + DMUB_SUBVP_ENABLE, + DMUB_SUBVP_SWITCHING, + DMUB_SUBVP_END, + DMUB_SUBVP_RESTORE, +}; + +/* Defines information for SUBVP to handle vertical interrupts. */ +struct dmub_subvp_vertical_interrupt_event { + /** + * @inst: Hardware instance of vertical interrupt. + */ + uint8_t otg_inst; + + /** + * @pad: Align structure to 4 byte boundary. + */ + uint8_t pad[3]; + + enum subvp_state curr_state; +}; + +struct dmub_subvp_vertical_interrupt_state { + /** + * @events: Event list. + */ + struct dmub_subvp_vertical_interrupt_event events[DMUB_MAX_STREAMS]; +}; + +struct dmub_subvp_vline_interrupt_event { + + uint8_t hubp_inst; + uint8_t pad[3]; +}; + +struct dmub_subvp_vline_interrupt_state { + struct dmub_subvp_vline_interrupt_event events[DMUB_MAX_PLANES]; +}; + +struct dmub_subvp_interrupt_ctx { + struct dmub_subvp_vertical_interrupt_state vertical_int; + struct dmub_subvp_vline_interrupt_state vline_int; +}; + +struct dmub_subvp_pipe_state { + uint32_t pix_clk_100hz; + uint16_t main_vblank_start; + uint16_t main_vblank_end; + uint16_t mall_region_lines; + uint16_t prefetch_lines; + uint16_t prefetch_to_mall_start_lines; + uint16_t processing_delay_lines; + uint8_t main_pipe_index; + uint8_t phantom_pipe_index; + uint16_t htotal; // htotal for main / phantom pipe + uint16_t vtotal; + uint16_t optc_underflow_count; + uint16_t hubp_underflow_count; + uint8_t pad[2]; +}; + +/** + * struct dmub_subvp_vblank_drr_info - Store DRR state when handling + * SubVP + VBLANK with DRR multi-display case. + * + * The info stored in this struct is only valid if drr_in_use = 1. + */ +struct dmub_subvp_vblank_drr_info { + uint8_t drr_in_use; + uint8_t drr_window_size_ms; // DRR window size -- indicates largest VMIN/VMAX adjustment per frame + uint16_t min_vtotal_supported; // Min VTOTAL that supports switching in VBLANK + uint16_t max_vtotal_supported; // Max VTOTAL that can still support SubVP static scheduling requirements + uint16_t prev_vmin; // Store VMIN value before MCLK switch (used to restore after MCLK end) + uint16_t prev_vmax; // Store VMAX value before MCLK switch (used to restore after MCLK end) + uint8_t use_ramping; // Use ramping or not + uint8_t pad[1]; +}; + +struct dmub_subvp_vblank_pipe_info { + uint32_t pix_clk_100hz; + uint16_t vblank_start; + uint16_t vblank_end; + uint16_t vstartup_start; + uint16_t vtotal; + uint16_t htotal; + uint8_t pipe_index; + uint8_t pad[1]; + struct dmub_subvp_vblank_drr_info drr_info; // DRR considered as part of SubVP + VBLANK case +}; + +enum subvp_switch_type { + DMUB_SUBVP_ONLY, // Used for SubVP only, and SubVP + VACTIVE + DMUB_SUBVP_AND_SUBVP, // 2 SubVP displays + DMUB_SUBVP_AND_VBLANK, + DMUB_SUBVP_AND_FPO, +}; + +/* SubVP state. */ +struct dmub_subvp_state { + struct dmub_subvp_pipe_state pipe_state[DMUB_MAX_SUBVP_STREAMS]; + struct dmub_subvp_interrupt_ctx int_ctx; + struct dmub_subvp_vblank_pipe_info vblank_info; + enum subvp_state state; // current state + enum subvp_switch_type switch_type; // enum take up 4 bytes (?) + uint8_t mclk_pending; + uint8_t num_subvp_streams; + uint8_t vertical_int_margin_us; + uint8_t pstate_allow_width_us; + uint32_t subvp_mclk_switch_count; + uint32_t subvp_wait_lock_count; + uint32_t driver_wait_lock_count; + uint32_t subvp_vblank_frame_count; + uint16_t watermark_a_cache; + uint8_t pad[2]; +}; + +#endif /* _DMUB_SUBVP_STATE_H_ */ |