diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c new file mode 100644 index 000000000000..eb8317187f30 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c @@ -0,0 +1,516 @@ +/* + * Copyright 2016 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 "dm_services.h" +#include "dcn10_hubp.h" +#include "dcn10_hubbub.h" +#include "reg_helper.h" + +#define CTX \ + hubbub->ctx +#define REG(reg)\ + hubbub->regs->reg + +#undef FN +#define FN(reg_name, field_name) \ + hubbub->shifts->field_name, hubbub->masks->field_name + +void hubbub1_wm_read_state(struct hubbub *hubbub, + struct dcn_hubbub_wm *wm) +{ + struct dcn_hubbub_wm_set *s; + + memset(wm, 0, sizeof(struct dcn_hubbub_wm)); + + s = &wm->sets[0]; + s->wm_set = 0; + s->data_urgent = REG_READ(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A); + s->pte_meta_urgent = REG_READ(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_A); + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A)) { + s->sr_enter = REG_READ(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A); + s->sr_exit = REG_READ(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A); + } + s->dram_clk_chanage = REG_READ(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_A); + + s = &wm->sets[1]; + s->wm_set = 1; + s->data_urgent = REG_READ(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B); + s->pte_meta_urgent = REG_READ(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_B); + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B)) { + s->sr_enter = REG_READ(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B); + s->sr_exit = REG_READ(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B); + } + s->dram_clk_chanage = REG_READ(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_B); + + s = &wm->sets[2]; + s->wm_set = 2; + s->data_urgent = REG_READ(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C); + s->pte_meta_urgent = REG_READ(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_C); + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C)) { + s->sr_enter = REG_READ(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C); + s->sr_exit = REG_READ(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C); + } + s->dram_clk_chanage = REG_READ(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_C); + + s = &wm->sets[3]; + s->wm_set = 3; + s->data_urgent = REG_READ(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D); + s->pte_meta_urgent = REG_READ(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_D); + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D)) { + s->sr_enter = REG_READ(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D); + s->sr_exit = REG_READ(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D); + } + s->dram_clk_chanage = REG_READ(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_D); +} + +bool hubbub1_verify_allow_pstate_change_high( + struct hubbub *hubbub) +{ + /* pstate latency is ~20us so if we wait over 40us and pstate allow + * still not asserted, we are probably stuck and going to hang + * + * TODO: Figure out why it takes ~100us on linux + * pstate takes around ~100us on linux. Unknown currently as to + * why it takes that long on linux + */ + static unsigned int pstate_wait_timeout_us = 200; + static unsigned int pstate_wait_expected_timeout_us = 40; + static unsigned int max_sampled_pstate_wait_us; /* data collection */ + static bool forced_pstate_allow; /* help with revert wa */ + + unsigned int debug_index = 0x7; + unsigned int debug_data; + unsigned int i; + + if (forced_pstate_allow) { + /* we hacked to force pstate allow to prevent hang last time + * we verify_allow_pstate_change_high. so disable force + * here so we can check status + */ + REG_UPDATE_2(DCHUBBUB_ARB_DRAM_STATE_CNTL, + DCHUBBUB_ARB_ALLOW_PSTATE_CHANGE_FORCE_VALUE, 0, + DCHUBBUB_ARB_ALLOW_PSTATE_CHANGE_FORCE_ENABLE, 0); + forced_pstate_allow = false; + } + + /* description "3-0: Pipe0 cursor0 QOS + * 7-4: Pipe1 cursor0 QOS + * 11-8: Pipe2 cursor0 QOS + * 15-12: Pipe3 cursor0 QOS + * 16: Pipe0 Plane0 Allow Pstate Change + * 17: Pipe1 Plane0 Allow Pstate Change + * 18: Pipe2 Plane0 Allow Pstate Change + * 19: Pipe3 Plane0 Allow Pstate Change + * 20: Pipe0 Plane1 Allow Pstate Change + * 21: Pipe1 Plane1 Allow Pstate Change + * 22: Pipe2 Plane1 Allow Pstate Change + * 23: Pipe3 Plane1 Allow Pstate Change + * 24: Pipe0 cursor0 Allow Pstate Change + * 25: Pipe1 cursor0 Allow Pstate Change + * 26: Pipe2 cursor0 Allow Pstate Change + * 27: Pipe3 cursor0 Allow Pstate Change + * 28: WB0 Allow Pstate Change + * 29: WB1 Allow Pstate Change + * 30: Arbiter's allow_pstate_change + * 31: SOC pstate change request + */ + + REG_WRITE(DCHUBBUB_TEST_DEBUG_INDEX, debug_index); + + for (i = 0; i < pstate_wait_timeout_us; i++) { + debug_data = REG_READ(DCHUBBUB_TEST_DEBUG_DATA); + + if (debug_data & (1 << 30)) { + + if (i > pstate_wait_expected_timeout_us) + dm_logger_write(hubbub->ctx->logger, LOG_WARNING, + "pstate took longer than expected ~%dus\n", + i); + + return true; + } + if (max_sampled_pstate_wait_us < i) + max_sampled_pstate_wait_us = i; + + udelay(1); + } + + /* force pstate allow to prevent system hang + * and break to debugger to investigate + */ + REG_UPDATE_2(DCHUBBUB_ARB_DRAM_STATE_CNTL, + DCHUBBUB_ARB_ALLOW_PSTATE_CHANGE_FORCE_VALUE, 1, + DCHUBBUB_ARB_ALLOW_PSTATE_CHANGE_FORCE_ENABLE, 1); + forced_pstate_allow = true; + + dm_logger_write(hubbub->ctx->logger, LOG_WARNING, + "pstate TEST_DEBUG_DATA: 0x%X\n", + debug_data); + + return false; +} + +static uint32_t convert_and_clamp( + uint32_t wm_ns, + uint32_t refclk_mhz, + uint32_t clamp_value) +{ + uint32_t ret_val = 0; + ret_val = wm_ns * refclk_mhz; + ret_val /= 1000; + + if (ret_val > clamp_value) + ret_val = clamp_value; + + return ret_val; +} + + +void hubbub1_program_watermarks( + struct hubbub *hubbub, + struct dcn_watermark_set *watermarks, + unsigned int refclk_mhz) +{ + uint32_t force_en = hubbub->ctx->dc->debug.disable_stutter ? 1 : 0; + /* + * Need to clamp to max of the register values (i.e. no wrap) + * for dcn1, all wm registers are 21-bit wide + */ + uint32_t prog_wm_value; + + REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, + DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 0); + + /* Repeat for water mark set A, B, C and D. */ + /* clock state A */ + prog_wm_value = convert_and_clamp(watermarks->a.urgent_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, prog_wm_value); + + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "URGENCY_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.urgent_ns, prog_wm_value); + + prog_wm_value = convert_and_clamp(watermarks->a.pte_meta_urgent_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_A, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "PTE_META_URGENCY_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.pte_meta_urgent_ns, prog_wm_value); + + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A)) { + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_ENTER_EXIT_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + + + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_EXIT_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.cstate_pstate.cstate_exit_ns, prog_wm_value); + } + + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_A, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "DRAM_CLK_CHANGE_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n\n", + watermarks->a.cstate_pstate.pstate_change_ns, prog_wm_value); + + + /* clock state B */ + prog_wm_value = convert_and_clamp( + watermarks->b.urgent_ns, refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "URGENCY_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.urgent_ns, prog_wm_value); + + + prog_wm_value = convert_and_clamp( + watermarks->b.pte_meta_urgent_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_B, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "PTE_META_URGENCY_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.pte_meta_urgent_ns, prog_wm_value); + + + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B)) { + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_ENTER_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + + + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_EXIT_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.cstate_pstate.cstate_exit_ns, prog_wm_value); + } + + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_B, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "DRAM_CLK_CHANGE_WATERMARK_B calculated =%d\n\n" + "HW register value = 0x%x\n", + watermarks->b.cstate_pstate.pstate_change_ns, prog_wm_value); + + /* clock state C */ + prog_wm_value = convert_and_clamp( + watermarks->c.urgent_ns, refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "URGENCY_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.urgent_ns, prog_wm_value); + + + prog_wm_value = convert_and_clamp( + watermarks->c.pte_meta_urgent_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_C, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "PTE_META_URGENCY_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.pte_meta_urgent_ns, prog_wm_value); + + + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C)) { + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_ENTER_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + + + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_EXIT_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.cstate_pstate.cstate_exit_ns, prog_wm_value); + } + + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_C, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "DRAM_CLK_CHANGE_WATERMARK_C calculated =%d\n\n" + "HW register value = 0x%x\n", + watermarks->c.cstate_pstate.pstate_change_ns, prog_wm_value); + + /* clock state D */ + prog_wm_value = convert_and_clamp( + watermarks->d.urgent_ns, refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "URGENCY_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.urgent_ns, prog_wm_value); + + prog_wm_value = convert_and_clamp( + watermarks->d.pte_meta_urgent_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_PTE_META_URGENCY_WATERMARK_D, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "PTE_META_URGENCY_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.pte_meta_urgent_ns, prog_wm_value); + + + if (REG(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D)) { + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_ENTER_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + + + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "SR_EXIT_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.cstate_pstate.cstate_exit_ns, prog_wm_value); + } + + + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_WRITE(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_D, prog_wm_value); + dm_logger_write(hubbub->ctx->logger, LOG_BANDWIDTH_CALCS, + "DRAM_CLK_CHANGE_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n\n", + watermarks->d.cstate_pstate.pstate_change_ns, prog_wm_value); + + REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, + DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 1); + + REG_UPDATE(DCHUBBUB_ARB_SAT_LEVEL, + DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz); + REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND, + DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 68); + + REG_UPDATE_2(DCHUBBUB_ARB_DRAM_STATE_CNTL, + DCHUBBUB_ARB_ALLOW_SELF_REFRESH_FORCE_VALUE, 0, + DCHUBBUB_ARB_ALLOW_SELF_REFRESH_FORCE_ENABLE, force_en); + +#if 0 + REG_UPDATE_2(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, + DCHUBBUB_ARB_WATERMARK_CHANGE_DONE_INTERRUPT_DISABLE, 1, + DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 1); +#endif +} + +void hubbub1_update_dchub( + struct hubbub *hubbub, + struct dchub_init_data *dh_data) +{ + /* TODO: port code from dal2 */ + switch (dh_data->fb_mode) { + case FRAME_BUFFER_MODE_ZFB_ONLY: + /*For ZFB case need to put DCHUB FB BASE and TOP upside down to indicate ZFB mode*/ + REG_UPDATE(DCHUBBUB_SDPIF_FB_TOP, + SDPIF_FB_TOP, 0); + + REG_UPDATE(DCHUBBUB_SDPIF_FB_BASE, + SDPIF_FB_BASE, 0x0FFFF); + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_BASE, + SDPIF_AGP_BASE, dh_data->zfb_phys_addr_base >> 22); + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_BOT, + SDPIF_AGP_BOT, dh_data->zfb_mc_base_addr >> 22); + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_TOP, + SDPIF_AGP_TOP, (dh_data->zfb_mc_base_addr + + dh_data->zfb_size_in_byte - 1) >> 22); + break; + case FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL: + /*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/ + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_BASE, + SDPIF_AGP_BASE, dh_data->zfb_phys_addr_base >> 22); + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_BOT, + SDPIF_AGP_BOT, dh_data->zfb_mc_base_addr >> 22); + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_TOP, + SDPIF_AGP_TOP, (dh_data->zfb_mc_base_addr + + dh_data->zfb_size_in_byte - 1) >> 22); + break; + case FRAME_BUFFER_MODE_LOCAL_ONLY: + /*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/ + REG_UPDATE(DCHUBBUB_SDPIF_AGP_BASE, + SDPIF_AGP_BASE, 0); + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_BOT, + SDPIF_AGP_BOT, 0X03FFFF); + + REG_UPDATE(DCHUBBUB_SDPIF_AGP_TOP, + SDPIF_AGP_TOP, 0); + break; + default: + break; + } + + dh_data->dchub_initialzied = true; + dh_data->dchub_info_valid = false; +} + +void hubbub1_toggle_watermark_change_req(struct hubbub *hubbub) +{ + uint32_t watermark_change_req; + + REG_GET(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, + DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, &watermark_change_req); + + if (watermark_change_req) + watermark_change_req = 0; + else + watermark_change_req = 1; + + REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, + DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, watermark_change_req); +} + +static const struct hubbub_funcs hubbub1_funcs = { + .update_dchub = hubbub1_update_dchub +}; + +void hubbub1_construct(struct hubbub *hubbub, + struct dc_context *ctx, + const struct dcn_hubbub_registers *hubbub_regs, + const struct dcn_hubbub_shift *hubbub_shift, + const struct dcn_hubbub_mask *hubbub_mask) +{ + hubbub->ctx = ctx; + + hubbub->funcs = &hubbub1_funcs; + + hubbub->regs = hubbub_regs; + hubbub->shifts = hubbub_shift; + hubbub->masks = hubbub_mask; + +} + |