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/*
* 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;
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);
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);
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);
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);
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;
}
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