diff options
author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2021-05-19 11:01:50 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-04 16:39:18 -0400 |
commit | 110d3968fe9508142cb76b530d141209efa169a8 (patch) | |
tree | abab4be5adb3cd4d44db3d9102829741d84c5d9c /drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c | |
parent | cbaf919f3313af6a8415076f315d63d0cda1635e (diff) | |
download | linux-110d3968fe9508142cb76b530d141209efa169a8.tar.bz2 |
drm/amd/display: Add DCN3.1 OPTC
Add support for programming the DCN3.1 OPTC (Output Timing Controller)
HW Blocks:
+--------+
| MPC |
+--------+
|
v
+-------+
| OPP |
+-------+
|
v
+--------+
| OPTC |
+--------+
|
v
+--------+ +--------+
| DIO | | DCCG |
+--------+ +--------+
There are no changes to OPP or MPC for DCN3.1, so the diagram will
include them in this patch.
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c new file mode 100644 index 000000000000..a4b1d98f0007 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c @@ -0,0 +1,287 @@ +/* + * Copyright 2012-15 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 + * + */ + +#include "dcn31_optc.h" + +#include "dcn30/dcn30_optc.h" +#include "reg_helper.h" +#include "dc.h" +#include "dcn_calc_math.h" + +#define REG(reg)\ + optc1->tg_regs->reg + +#define CTX \ + optc1->base.ctx + +#undef FN +#define FN(reg_name, field_name) \ + optc1->tg_shift->field_name, optc1->tg_mask->field_name + +static void optc31_set_odm_combine(struct timing_generator *optc, int *opp_id, int opp_cnt, + struct dc_crtc_timing *timing) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + int mpcc_hactive = (timing->h_addressable + timing->h_border_left + timing->h_border_right) + / opp_cnt; + uint32_t memory_mask = 0; + int mem_count_per_opp = (mpcc_hactive + 2559) / 2560; + + /* Assume less than 6 pipes */ + if (opp_cnt == 4) { + if (mem_count_per_opp == 1) + memory_mask = 0xf; + else { + ASSERT(mem_count_per_opp == 2); + memory_mask = 0xff; + } + } else if (mem_count_per_opp == 1) + memory_mask = 0x1 << (opp_id[0] * 2) | 0x1 << (opp_id[1] * 2); + else if (mem_count_per_opp == 2) + memory_mask = 0x3 << (opp_id[0] * 2) | 0x3 << (opp_id[1] * 2); + else if (mem_count_per_opp == 3) + memory_mask = 0x77; + else if (mem_count_per_opp == 4) + memory_mask = 0xff; + + if (REG(OPTC_MEMORY_CONFIG)) + REG_SET(OPTC_MEMORY_CONFIG, 0, + OPTC_MEM_SEL, memory_mask); + + if (opp_cnt == 2) { + REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0, + OPTC_NUM_OF_INPUT_SEGMENT, 1, + OPTC_SEG0_SRC_SEL, opp_id[0], + OPTC_SEG1_SRC_SEL, opp_id[1]); + } else if (opp_cnt == 4) { + REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0, + OPTC_NUM_OF_INPUT_SEGMENT, 3, + OPTC_SEG0_SRC_SEL, opp_id[0], + OPTC_SEG1_SRC_SEL, opp_id[1], + OPTC_SEG2_SRC_SEL, opp_id[2], + OPTC_SEG3_SRC_SEL, opp_id[3]); + } + + REG_UPDATE(OPTC_WIDTH_CONTROL, + OPTC_SEGMENT_WIDTH, mpcc_hactive); + + REG_SET(OTG_H_TIMING_CNTL, 0, OTG_H_TIMING_DIV_MODE, opp_cnt - 1); + optc1->opp_count = opp_cnt; +} + +/** + * Enable CRTC + * Enable CRTC - call ASIC Control Object to enable Timing generator. + */ +static bool optc31_enable_crtc(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + /* opp instance for OTG, 1 to 1 mapping and odm will adjust */ + REG_UPDATE(OPTC_DATA_SOURCE_SELECT, + OPTC_SEG0_SRC_SEL, optc->inst); + + /* VTG enable first is for HW workaround */ + REG_UPDATE(CONTROL, + VTG0_ENABLE, 1); + + REG_SEQ_START(); + + /* Enable CRTC */ + REG_UPDATE_2(OTG_CONTROL, + OTG_DISABLE_POINT_CNTL, 2, + OTG_MASTER_EN, 1); + + REG_SEQ_SUBMIT(); + REG_SEQ_WAIT_DONE(); + + return true; +} + +/* disable_crtc - call ASIC Control Object to disable Timing generator. */ +static bool optc31_disable_crtc(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + /* disable otg request until end of the first line + * in the vertical blank region + */ + REG_UPDATE(OTG_CONTROL, + OTG_MASTER_EN, 0); + + REG_UPDATE(CONTROL, + VTG0_ENABLE, 0); + + /* CRTC disabled, so disable clock. */ + REG_WAIT(OTG_CLOCK_CONTROL, + OTG_BUSY, 0, + 1, 100000); + + return true; +} + +static bool optc31_immediate_disable_crtc(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_UPDATE_2(OTG_CONTROL, + OTG_DISABLE_POINT_CNTL, 0, + OTG_MASTER_EN, 0); + + REG_UPDATE(CONTROL, + VTG0_ENABLE, 0); + + /* CRTC disabled, so disable clock. */ + REG_WAIT(OTG_CLOCK_CONTROL, + OTG_BUSY, 0, + 1, 100000); + + return true; +} + +static void optc31_set_drr( + struct timing_generator *optc, + const struct drr_params *params) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + if (params != NULL && + params->vertical_total_max > 0 && + params->vertical_total_min > 0) { + + if (params->vertical_total_mid != 0) { + + REG_SET(OTG_V_TOTAL_MID, 0, + OTG_V_TOTAL_MID, params->vertical_total_mid - 1); + + REG_UPDATE_2(OTG_V_TOTAL_CONTROL, + OTG_VTOTAL_MID_REPLACING_MAX_EN, 1, + OTG_VTOTAL_MID_FRAME_NUM, + (uint8_t)params->vertical_total_mid_frame_num); + + } + + optc->funcs->set_vtotal_min_max(optc, params->vertical_total_min - 1, params->vertical_total_max - 1); + + /* + * MIN_MASK_EN is gone and MASK is now always enabled. + * + * To get it to it work with manual trigger we need to make sure + * we program the correct bit. + */ + REG_UPDATE_4(OTG_V_TOTAL_CONTROL, + OTG_V_TOTAL_MIN_SEL, 1, + OTG_V_TOTAL_MAX_SEL, 1, + OTG_FORCE_LOCK_ON_EVENT, 0, + OTG_SET_V_TOTAL_MIN_MASK, (1 << 1)); /* TRIGA */ + + // Setup manual flow control for EOF via TRIG_A + optc->funcs->setup_manual_trigger(optc); + + } else { + REG_UPDATE_4(OTG_V_TOTAL_CONTROL, + OTG_SET_V_TOTAL_MIN_MASK, 0, + OTG_V_TOTAL_MIN_SEL, 0, + OTG_V_TOTAL_MAX_SEL, 0, + OTG_FORCE_LOCK_ON_EVENT, 0); + + optc->funcs->set_vtotal_min_max(optc, 0, 0); + } +} + +static struct timing_generator_funcs dcn31_tg_funcs = { + .validate_timing = optc1_validate_timing, + .program_timing = optc1_program_timing, + .setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0, + .setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1, + .setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2, + .program_global_sync = optc1_program_global_sync, + .enable_crtc = optc31_enable_crtc, + .disable_crtc = optc31_disable_crtc, + .immediate_disable_crtc = optc31_immediate_disable_crtc, + /* used by enable_timing_synchronization. Not need for FPGA */ + .is_counter_moving = optc1_is_counter_moving, + .get_position = optc1_get_position, + .get_frame_count = optc1_get_vblank_counter, + .get_scanoutpos = optc1_get_crtc_scanoutpos, + .get_otg_active_size = optc1_get_otg_active_size, + .set_early_control = optc1_set_early_control, + /* used by enable_timing_synchronization. Not need for FPGA */ + .wait_for_state = optc1_wait_for_state, + .set_blank_color = optc3_program_blank_color, + .did_triggered_reset_occur = optc1_did_triggered_reset_occur, + .triplebuffer_lock = optc3_triplebuffer_lock, + .triplebuffer_unlock = optc2_triplebuffer_unlock, + .enable_reset_trigger = optc1_enable_reset_trigger, + .enable_crtc_reset = optc1_enable_crtc_reset, + .disable_reset_trigger = optc1_disable_reset_trigger, + .lock = optc3_lock, + .is_locked = optc1_is_locked, + .unlock = optc1_unlock, + .lock_doublebuffer_enable = optc3_lock_doublebuffer_enable, + .lock_doublebuffer_disable = optc3_lock_doublebuffer_disable, + .enable_optc_clock = optc1_enable_optc_clock, + .set_drr = optc31_set_drr, + .set_vtotal_min_max = optc1_set_vtotal_min_max, + .set_static_screen_control = optc1_set_static_screen_control, + .program_stereo = optc1_program_stereo, + .is_stereo_left_eye = optc1_is_stereo_left_eye, + .tg_init = optc3_tg_init, + .is_tg_enabled = optc1_is_tg_enabled, + .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred, + .clear_optc_underflow = optc1_clear_optc_underflow, + .setup_global_swap_lock = NULL, + .get_crc = optc1_get_crc, + .configure_crc = optc2_configure_crc, + .set_dsc_config = optc3_set_dsc_config, + .set_dwb_source = NULL, + .set_odm_bypass = optc3_set_odm_bypass, + .set_odm_combine = optc31_set_odm_combine, + .get_optc_source = optc2_get_optc_source, + .set_out_mux = optc3_set_out_mux, + .set_drr_trigger_window = optc3_set_drr_trigger_window, + .set_vtotal_change_limit = optc3_set_vtotal_change_limit, + .set_gsl = optc2_set_gsl, + .set_gsl_source_select = optc2_set_gsl_source_select, + .set_vtg_params = optc1_set_vtg_params, + .program_manual_trigger = optc2_program_manual_trigger, + .setup_manual_trigger = optc2_setup_manual_trigger, + .get_hw_timing = optc1_get_hw_timing, +}; + +void dcn31_timing_generator_init(struct optc *optc1) +{ + optc1->base.funcs = &dcn31_tg_funcs; + + optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1; + optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1; + + optc1->min_h_blank = 32; + optc1->min_v_blank = 3; + optc1->min_v_blank_interlace = 5; + optc1->min_h_sync_width = 4; + optc1->min_v_sync_width = 1; +} + |