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linux/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.c
Rodrigo Siqueira 11895d32ff drm/amd/display: Add PState change high hook for DCN32 
For some reason, we missed the PState check for DCN32 which may cause
issues for clock transition. This commit add that required hook.

Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-10-06 12:03:36 -04:00

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/*
* Copyright 2021 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 "dcn30/dcn30_hubbub.h"
#include "dcn32_hubbub.h"
#include "dm_services.h"
#include "reg_helper.h"
#define CTX \
hubbub2->base.ctx
#define DC_LOGGER \
hubbub2->base.ctx->logger
#define REG(reg)\
hubbub2->regs->reg
#undef FN
#define FN(reg_name, field_name) \
hubbub2->shifts->field_name, hubbub2->masks->field_name
#define DCN32_CRB_SEGMENT_SIZE_KB 64
static void dcn32_init_crb(struct hubbub *hubbub)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
REG_GET(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT,
&hubbub2->det0_size);
REG_GET(DCHUBBUB_DET1_CTRL, DET1_SIZE_CURRENT,
&hubbub2->det1_size);
REG_GET(DCHUBBUB_DET2_CTRL, DET2_SIZE_CURRENT,
&hubbub2->det2_size);
REG_GET(DCHUBBUB_DET3_CTRL, DET3_SIZE_CURRENT,
&hubbub2->det3_size);
REG_GET(DCHUBBUB_COMPBUF_CTRL, COMPBUF_SIZE_CURRENT,
&hubbub2->compbuf_size_segments);
REG_SET_2(COMPBUF_RESERVED_SPACE, 0,
COMPBUF_RESERVED_SPACE_64B, hubbub2->pixel_chunk_size / 32,
COMPBUF_RESERVED_SPACE_ZS, hubbub2->pixel_chunk_size / 128);
REG_UPDATE(DCHUBBUB_DEBUG_CTRL_0, DET_DEPTH, 0x47F);
}
void dcn32_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigned int det_buffer_size_in_kbyte)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
unsigned int det_size_segments = (det_buffer_size_in_kbyte + DCN32_CRB_SEGMENT_SIZE_KB - 1) / DCN32_CRB_SEGMENT_SIZE_KB;
switch (hubp_inst) {
case 0:
REG_UPDATE(DCHUBBUB_DET0_CTRL,
DET0_SIZE, det_size_segments);
hubbub2->det0_size = det_size_segments;
break;
case 1:
REG_UPDATE(DCHUBBUB_DET1_CTRL,
DET1_SIZE, det_size_segments);
hubbub2->det1_size = det_size_segments;
break;
case 2:
REG_UPDATE(DCHUBBUB_DET2_CTRL,
DET2_SIZE, det_size_segments);
hubbub2->det2_size = det_size_segments;
break;
case 3:
REG_UPDATE(DCHUBBUB_DET3_CTRL,
DET3_SIZE, det_size_segments);
hubbub2->det3_size = det_size_segments;
break;
default:
break;
}
if (hubbub2->det0_size + hubbub2->det1_size + hubbub2->det2_size
+ hubbub2->det3_size + hubbub2->compbuf_size_segments > hubbub2->crb_size_segs) {
/* This may happen during seamless transition from ODM 2:1 to ODM4:1 */
DC_LOG_WARNING("CRB Config Warning: DET size (%d,%d,%d,%d) + Compbuf size (%d) > CRB segments (%d)\n",
hubbub2->det0_size, hubbub2->det1_size, hubbub2->det2_size, hubbub2->det3_size,
hubbub2->compbuf_size_segments, hubbub2->crb_size_segs);
}
}
static void dcn32_program_compbuf_size(struct hubbub *hubbub, unsigned int compbuf_size_kb, bool safe_to_increase)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
unsigned int compbuf_size_segments = (compbuf_size_kb + DCN32_CRB_SEGMENT_SIZE_KB - 1) / DCN32_CRB_SEGMENT_SIZE_KB;
if (safe_to_increase || compbuf_size_segments <= hubbub2->compbuf_size_segments) {
if (compbuf_size_segments > hubbub2->compbuf_size_segments) {
REG_WAIT(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT, hubbub2->det0_size, 1, 100);
REG_WAIT(DCHUBBUB_DET1_CTRL, DET1_SIZE_CURRENT, hubbub2->det1_size, 1, 100);
REG_WAIT(DCHUBBUB_DET2_CTRL, DET2_SIZE_CURRENT, hubbub2->det2_size, 1, 100);
REG_WAIT(DCHUBBUB_DET3_CTRL, DET3_SIZE_CURRENT, hubbub2->det3_size, 1, 100);
}
/* Should never be hit, if it is we have an erroneous hw config*/
ASSERT(hubbub2->det0_size + hubbub2->det1_size + hubbub2->det2_size
+ hubbub2->det3_size + compbuf_size_segments <= hubbub2->crb_size_segs);
REG_UPDATE(DCHUBBUB_COMPBUF_CTRL, COMPBUF_SIZE, compbuf_size_segments);
hubbub2->compbuf_size_segments = compbuf_size_segments;
ASSERT(REG_GET(DCHUBBUB_COMPBUF_CTRL, CONFIG_ERROR, &compbuf_size_segments) && !compbuf_size_segments);
}
}
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;
}
bool hubbub32_program_urgent_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
bool safe_to_lower)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
uint32_t prog_wm_value;
bool wm_pending = false;
/* Repeat for water mark set A, B, C and D. */
/* clock state A */
if (safe_to_lower || watermarks->a.urgent_ns > hubbub2->watermarks.a.urgent_ns) {
hubbub2->watermarks.a.urgent_ns = watermarks->a.urgent_ns;
prog_wm_value = convert_and_clamp(watermarks->a.urgent_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, 0,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_A calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->a.urgent_ns, prog_wm_value);
} else if (watermarks->a.urgent_ns < hubbub2->watermarks.a.urgent_ns)
wm_pending = true;
/* determine the transfer time for a quantity of data for a particular requestor.*/
if (safe_to_lower || watermarks->a.frac_urg_bw_flip
> hubbub2->watermarks.a.frac_urg_bw_flip) {
hubbub2->watermarks.a.frac_urg_bw_flip = watermarks->a.frac_urg_bw_flip;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A, 0,
DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A, watermarks->a.frac_urg_bw_flip);
} else if (watermarks->a.frac_urg_bw_flip
< hubbub2->watermarks.a.frac_urg_bw_flip)
wm_pending = true;
if (safe_to_lower || watermarks->a.frac_urg_bw_nom
> hubbub2->watermarks.a.frac_urg_bw_nom) {
hubbub2->watermarks.a.frac_urg_bw_nom = watermarks->a.frac_urg_bw_nom;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, 0,
DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, watermarks->a.frac_urg_bw_nom);
} else if (watermarks->a.frac_urg_bw_nom
< hubbub2->watermarks.a.frac_urg_bw_nom)
wm_pending = true;
if (safe_to_lower || watermarks->a.urgent_latency_ns > hubbub2->watermarks.a.urgent_latency_ns) {
hubbub2->watermarks.a.urgent_latency_ns = watermarks->a.urgent_latency_ns;
prog_wm_value = convert_and_clamp(watermarks->a.urgent_latency_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, 0,
DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, prog_wm_value);
} else if (watermarks->a.urgent_latency_ns < hubbub2->watermarks.a.urgent_latency_ns)
wm_pending = true;
/* clock state B */
if (safe_to_lower || watermarks->b.urgent_ns > hubbub2->watermarks.b.urgent_ns) {
hubbub2->watermarks.b.urgent_ns = watermarks->b.urgent_ns;
prog_wm_value = convert_and_clamp(watermarks->b.urgent_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, 0,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->b.urgent_ns, prog_wm_value);
} else if (watermarks->b.urgent_ns < hubbub2->watermarks.b.urgent_ns)
wm_pending = true;
/* determine the transfer time for a quantity of data for a particular requestor.*/
if (safe_to_lower || watermarks->b.frac_urg_bw_flip
> hubbub2->watermarks.b.frac_urg_bw_flip) {
hubbub2->watermarks.b.frac_urg_bw_flip = watermarks->b.frac_urg_bw_flip;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B, 0,
DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B, watermarks->b.frac_urg_bw_flip);
} else if (watermarks->b.frac_urg_bw_flip
< hubbub2->watermarks.b.frac_urg_bw_flip)
wm_pending = true;
if (safe_to_lower || watermarks->b.frac_urg_bw_nom
> hubbub2->watermarks.b.frac_urg_bw_nom) {
hubbub2->watermarks.b.frac_urg_bw_nom = watermarks->b.frac_urg_bw_nom;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, 0,
DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, watermarks->b.frac_urg_bw_nom);
} else if (watermarks->b.frac_urg_bw_nom
< hubbub2->watermarks.b.frac_urg_bw_nom)
wm_pending = true;
if (safe_to_lower || watermarks->b.urgent_latency_ns > hubbub2->watermarks.b.urgent_latency_ns) {
hubbub2->watermarks.b.urgent_latency_ns = watermarks->b.urgent_latency_ns;
prog_wm_value = convert_and_clamp(watermarks->b.urgent_latency_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, 0,
DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, prog_wm_value);
} else if (watermarks->b.urgent_latency_ns < hubbub2->watermarks.b.urgent_latency_ns)
wm_pending = true;
/* clock state C */
if (safe_to_lower || watermarks->c.urgent_ns > hubbub2->watermarks.c.urgent_ns) {
hubbub2->watermarks.c.urgent_ns = watermarks->c.urgent_ns;
prog_wm_value = convert_and_clamp(watermarks->c.urgent_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, 0,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->c.urgent_ns, prog_wm_value);
} else if (watermarks->c.urgent_ns < hubbub2->watermarks.c.urgent_ns)
wm_pending = true;
/* determine the transfer time for a quantity of data for a particular requestor.*/
if (safe_to_lower || watermarks->c.frac_urg_bw_flip
> hubbub2->watermarks.c.frac_urg_bw_flip) {
hubbub2->watermarks.c.frac_urg_bw_flip = watermarks->c.frac_urg_bw_flip;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C, 0,
DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C, watermarks->c.frac_urg_bw_flip);
} else if (watermarks->c.frac_urg_bw_flip
< hubbub2->watermarks.c.frac_urg_bw_flip)
wm_pending = true;
if (safe_to_lower || watermarks->c.frac_urg_bw_nom
> hubbub2->watermarks.c.frac_urg_bw_nom) {
hubbub2->watermarks.c.frac_urg_bw_nom = watermarks->c.frac_urg_bw_nom;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, 0,
DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, watermarks->c.frac_urg_bw_nom);
} else if (watermarks->c.frac_urg_bw_nom
< hubbub2->watermarks.c.frac_urg_bw_nom)
wm_pending = true;
if (safe_to_lower || watermarks->c.urgent_latency_ns > hubbub2->watermarks.c.urgent_latency_ns) {
hubbub2->watermarks.c.urgent_latency_ns = watermarks->c.urgent_latency_ns;
prog_wm_value = convert_and_clamp(watermarks->c.urgent_latency_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, 0,
DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, prog_wm_value);
} else if (watermarks->c.urgent_latency_ns < hubbub2->watermarks.c.urgent_latency_ns)
wm_pending = true;
/* clock state D */
if (safe_to_lower || watermarks->d.urgent_ns > hubbub2->watermarks.d.urgent_ns) {
hubbub2->watermarks.d.urgent_ns = watermarks->d.urgent_ns;
prog_wm_value = convert_and_clamp(watermarks->d.urgent_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, 0,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->d.urgent_ns, prog_wm_value);
} else if (watermarks->d.urgent_ns < hubbub2->watermarks.d.urgent_ns)
wm_pending = true;
/* determine the transfer time for a quantity of data for a particular requestor.*/
if (safe_to_lower || watermarks->d.frac_urg_bw_flip
> hubbub2->watermarks.d.frac_urg_bw_flip) {
hubbub2->watermarks.d.frac_urg_bw_flip = watermarks->d.frac_urg_bw_flip;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D, 0,
DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D, watermarks->d.frac_urg_bw_flip);
} else if (watermarks->d.frac_urg_bw_flip
< hubbub2->watermarks.d.frac_urg_bw_flip)
wm_pending = true;
if (safe_to_lower || watermarks->d.frac_urg_bw_nom
> hubbub2->watermarks.d.frac_urg_bw_nom) {
hubbub2->watermarks.d.frac_urg_bw_nom = watermarks->d.frac_urg_bw_nom;
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, 0,
DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, watermarks->d.frac_urg_bw_nom);
} else if (watermarks->d.frac_urg_bw_nom
< hubbub2->watermarks.d.frac_urg_bw_nom)
wm_pending = true;
if (safe_to_lower || watermarks->d.urgent_latency_ns > hubbub2->watermarks.d.urgent_latency_ns) {
hubbub2->watermarks.d.urgent_latency_ns = watermarks->d.urgent_latency_ns;
prog_wm_value = convert_and_clamp(watermarks->d.urgent_latency_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, 0,
DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, prog_wm_value);
} else if (watermarks->d.urgent_latency_ns < hubbub2->watermarks.d.urgent_latency_ns)
wm_pending = true;
return wm_pending;
}
bool hubbub32_program_stutter_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
bool safe_to_lower)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
uint32_t prog_wm_value;
bool wm_pending = false;
/* clock state A */
if (safe_to_lower || watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns
> hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns) {
hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns =
watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, 0,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, prog_wm_value);
DC_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);
} else if (watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns
< hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns)
wm_pending = true;
if (safe_to_lower || watermarks->a.cstate_pstate.cstate_exit_ns
> hubbub2->watermarks.a.cstate_pstate.cstate_exit_ns) {
hubbub2->watermarks.a.cstate_pstate.cstate_exit_ns =
watermarks->a.cstate_pstate.cstate_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, 0,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, prog_wm_value);
DC_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);
} else if (watermarks->a.cstate_pstate.cstate_exit_ns
< hubbub2->watermarks.a.cstate_pstate.cstate_exit_ns)
wm_pending = true;
/* clock state B */
if (safe_to_lower || watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns
> hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns) {
hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns =
watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, 0,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
} else if (watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns
< hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns)
wm_pending = true;
if (safe_to_lower || watermarks->b.cstate_pstate.cstate_exit_ns
> hubbub2->watermarks.b.cstate_pstate.cstate_exit_ns) {
hubbub2->watermarks.b.cstate_pstate.cstate_exit_ns =
watermarks->b.cstate_pstate.cstate_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, 0,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, prog_wm_value);
DC_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);
} else if (watermarks->b.cstate_pstate.cstate_exit_ns
< hubbub2->watermarks.b.cstate_pstate.cstate_exit_ns)
wm_pending = true;
/* clock state C */
if (safe_to_lower || watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns
> hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns) {
hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns =
watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, 0,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
} else if (watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns
< hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns)
wm_pending = true;
if (safe_to_lower || watermarks->c.cstate_pstate.cstate_exit_ns
> hubbub2->watermarks.c.cstate_pstate.cstate_exit_ns) {
hubbub2->watermarks.c.cstate_pstate.cstate_exit_ns =
watermarks->c.cstate_pstate.cstate_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, 0,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, prog_wm_value);
DC_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);
} else if (watermarks->c.cstate_pstate.cstate_exit_ns
< hubbub2->watermarks.c.cstate_pstate.cstate_exit_ns)
wm_pending = true;
/* clock state D */
if (safe_to_lower || watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns
> hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns) {
hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns =
watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, 0,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n",
watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value);
} else if (watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns
< hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns)
wm_pending = true;
if (safe_to_lower || watermarks->d.cstate_pstate.cstate_exit_ns
> hubbub2->watermarks.d.cstate_pstate.cstate_exit_ns) {
hubbub2->watermarks.d.cstate_pstate.cstate_exit_ns =
watermarks->d.cstate_pstate.cstate_exit_ns;
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.cstate_exit_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, 0,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, prog_wm_value);
DC_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);
} else if (watermarks->d.cstate_pstate.cstate_exit_ns
< hubbub2->watermarks.d.cstate_pstate.cstate_exit_ns)
wm_pending = true;
return wm_pending;
}
bool hubbub32_program_pstate_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
bool safe_to_lower)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
uint32_t prog_wm_value;
bool wm_pending = false;
/* Section for UCLK_PSTATE_CHANGE_WATERMARKS */
/* clock state A */
if (safe_to_lower || watermarks->a.cstate_pstate.pstate_change_ns
> hubbub2->watermarks.a.cstate_pstate.pstate_change_ns) {
hubbub2->watermarks.a.cstate_pstate.pstate_change_ns =
watermarks->a.cstate_pstate.pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A, 0,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A, prog_wm_value);
DC_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);
} else if (watermarks->a.cstate_pstate.pstate_change_ns
< hubbub2->watermarks.a.cstate_pstate.pstate_change_ns)
wm_pending = true;
/* clock state B */
if (safe_to_lower || watermarks->b.cstate_pstate.pstate_change_ns
> hubbub2->watermarks.b.cstate_pstate.pstate_change_ns) {
hubbub2->watermarks.b.cstate_pstate.pstate_change_ns =
watermarks->b.cstate_pstate.pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B, 0,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->b.cstate_pstate.pstate_change_ns, prog_wm_value);
} else if (watermarks->b.cstate_pstate.pstate_change_ns
< hubbub2->watermarks.b.cstate_pstate.pstate_change_ns)
wm_pending = true;
/* clock state C */
if (safe_to_lower || watermarks->c.cstate_pstate.pstate_change_ns
> hubbub2->watermarks.c.cstate_pstate.pstate_change_ns) {
hubbub2->watermarks.c.cstate_pstate.pstate_change_ns =
watermarks->c.cstate_pstate.pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C, 0,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->c.cstate_pstate.pstate_change_ns, prog_wm_value);
} else if (watermarks->c.cstate_pstate.pstate_change_ns
< hubbub2->watermarks.c.cstate_pstate.pstate_change_ns)
wm_pending = true;
/* clock state D */
if (safe_to_lower || watermarks->d.cstate_pstate.pstate_change_ns
> hubbub2->watermarks.d.cstate_pstate.pstate_change_ns) {
hubbub2->watermarks.d.cstate_pstate.pstate_change_ns =
watermarks->d.cstate_pstate.pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D, 0,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D, prog_wm_value);
DC_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);
} else if (watermarks->d.cstate_pstate.pstate_change_ns
< hubbub2->watermarks.d.cstate_pstate.pstate_change_ns)
wm_pending = true;
/* Section for FCLK_PSTATE_CHANGE_WATERMARKS */
/* clock state A */
if (safe_to_lower || watermarks->a.cstate_pstate.fclk_pstate_change_ns
> hubbub2->watermarks.a.cstate_pstate.fclk_pstate_change_ns) {
hubbub2->watermarks.a.cstate_pstate.fclk_pstate_change_ns =
watermarks->a.cstate_pstate.fclk_pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->a.cstate_pstate.fclk_pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A, 0,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("FCLK_CHANGE_WATERMARK_A calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->a.cstate_pstate.fclk_pstate_change_ns, prog_wm_value);
} else if (watermarks->a.cstate_pstate.fclk_pstate_change_ns
< hubbub2->watermarks.a.cstate_pstate.fclk_pstate_change_ns)
wm_pending = true;
/* clock state B */
if (safe_to_lower || watermarks->b.cstate_pstate.fclk_pstate_change_ns
> hubbub2->watermarks.b.cstate_pstate.fclk_pstate_change_ns) {
hubbub2->watermarks.b.cstate_pstate.fclk_pstate_change_ns =
watermarks->b.cstate_pstate.fclk_pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->b.cstate_pstate.fclk_pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B, 0,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("FCLK_CHANGE_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->b.cstate_pstate.fclk_pstate_change_ns, prog_wm_value);
} else if (watermarks->b.cstate_pstate.fclk_pstate_change_ns
< hubbub2->watermarks.b.cstate_pstate.fclk_pstate_change_ns)
wm_pending = true;
/* clock state C */
if (safe_to_lower || watermarks->c.cstate_pstate.fclk_pstate_change_ns
> hubbub2->watermarks.c.cstate_pstate.fclk_pstate_change_ns) {
hubbub2->watermarks.c.cstate_pstate.fclk_pstate_change_ns =
watermarks->c.cstate_pstate.fclk_pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->c.cstate_pstate.fclk_pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C, 0,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("FCLK_CHANGE_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->c.cstate_pstate.fclk_pstate_change_ns, prog_wm_value);
} else if (watermarks->c.cstate_pstate.fclk_pstate_change_ns
< hubbub2->watermarks.c.cstate_pstate.fclk_pstate_change_ns)
wm_pending = true;
/* clock state D */
if (safe_to_lower || watermarks->d.cstate_pstate.fclk_pstate_change_ns
> hubbub2->watermarks.d.cstate_pstate.fclk_pstate_change_ns) {
hubbub2->watermarks.d.cstate_pstate.fclk_pstate_change_ns =
watermarks->d.cstate_pstate.fclk_pstate_change_ns;
prog_wm_value = convert_and_clamp(
watermarks->d.cstate_pstate.fclk_pstate_change_ns,
refclk_mhz, 0xffff);
REG_SET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D, 0,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("FCLK_CHANGE_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->d.cstate_pstate.fclk_pstate_change_ns, prog_wm_value);
} else if (watermarks->d.cstate_pstate.fclk_pstate_change_ns
< hubbub2->watermarks.d.cstate_pstate.fclk_pstate_change_ns)
wm_pending = true;
return wm_pending;
}
bool hubbub32_program_usr_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
bool safe_to_lower)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
uint32_t prog_wm_value;
bool wm_pending = false;
/* clock state A */
if (safe_to_lower || watermarks->a.usr_retraining_ns
> hubbub2->watermarks.a.usr_retraining_ns) {
hubbub2->watermarks.a.usr_retraining_ns = watermarks->a.usr_retraining_ns;
prog_wm_value = convert_and_clamp(
watermarks->a.usr_retraining_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A, 0,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("USR_RETRAINING_WATERMARK_A calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->a.usr_retraining_ns, prog_wm_value);
} else if (watermarks->a.usr_retraining_ns
< hubbub2->watermarks.a.usr_retraining_ns)
wm_pending = true;
/* clock state B */
if (safe_to_lower || watermarks->b.usr_retraining_ns
> hubbub2->watermarks.b.usr_retraining_ns) {
hubbub2->watermarks.b.usr_retraining_ns = watermarks->b.usr_retraining_ns;
prog_wm_value = convert_and_clamp(
watermarks->b.usr_retraining_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B, 0,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("USR_RETRAINING_WATERMARK_B calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->b.usr_retraining_ns, prog_wm_value);
} else if (watermarks->b.usr_retraining_ns
< hubbub2->watermarks.b.usr_retraining_ns)
wm_pending = true;
/* clock state C */
if (safe_to_lower || watermarks->c.usr_retraining_ns
> hubbub2->watermarks.c.usr_retraining_ns) {
hubbub2->watermarks.c.usr_retraining_ns =
watermarks->c.usr_retraining_ns;
prog_wm_value = convert_and_clamp(
watermarks->c.usr_retraining_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C, 0,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("USR_RETRAINING_WATERMARK_C calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->c.usr_retraining_ns, prog_wm_value);
} else if (watermarks->c.usr_retraining_ns
< hubbub2->watermarks.c.usr_retraining_ns)
wm_pending = true;
/* clock state D */
if (safe_to_lower || watermarks->d.usr_retraining_ns
> hubbub2->watermarks.d.usr_retraining_ns) {
hubbub2->watermarks.d.usr_retraining_ns =
watermarks->d.usr_retraining_ns;
prog_wm_value = convert_and_clamp(
watermarks->d.usr_retraining_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D, 0,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D, prog_wm_value);
DC_LOG_BANDWIDTH_CALCS("USR_RETRAINING_WATERMARK_D calculated =%d\n"
"HW register value = 0x%x\n\n",
watermarks->d.usr_retraining_ns, prog_wm_value);
} else if (watermarks->d.usr_retraining_ns
< hubbub2->watermarks.d.usr_retraining_ns)
wm_pending = true;
return wm_pending;
}
void hubbub32_force_usr_retraining_allow(struct hubbub *hubbub, bool allow)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
/*
* DCHUBBUB_ARB_ALLOW_USR_RETRAINING_FORCE_ENABLE = 1 means enabling forcing value
* DCHUBBUB_ARB_ALLOW_USR_RETRAINING_FORCE_VALUE = 1 or 0, means value to be forced when force enable
*/
REG_UPDATE_2(DCHUBBUB_ARB_USR_RETRAINING_CNTL,
DCHUBBUB_ARB_ALLOW_USR_RETRAINING_FORCE_VALUE, allow,
DCHUBBUB_ARB_ALLOW_USR_RETRAINING_FORCE_ENABLE, allow);
}
static bool hubbub32_program_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
bool safe_to_lower)
{
bool wm_pending = false;
if (hubbub32_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
wm_pending = true;
if (hubbub32_program_stutter_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
wm_pending = true;
if (hubbub32_program_pstate_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
wm_pending = true;
if (hubbub32_program_usr_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
wm_pending = true;
/*
* The DCHub arbiter has a mechanism to dynamically rate limit the DCHub request stream to the fabric.
* If the memory controller is fully utilized and the DCHub requestors are
* well ahead of their amortized schedule, then it is safe to prevent the next winner
* from being committed and sent to the fabric.
* The utilization of the memory controller is approximated by ensuring that
* the number of outstanding requests is greater than a threshold specified
* by the ARB_MIN_REQ_OUTSTANDING. To determine that the DCHub requestors are well ahead of the amortized schedule,
* the slack of the next winner is compared with the ARB_SAT_LEVEL in DLG RefClk cycles.
*
* TODO: Revisit request limit after figure out right number. request limit for RM isn't decided yet, set maximum value (0x1FF)
* to turn off it for now.
*/
/*REG_SET(DCHUBBUB_ARB_SAT_LEVEL, 0,
DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz);
REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND,
DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 0x1FF);*/
hubbub1_allow_self_refresh_control(hubbub, !hubbub->ctx->dc->debug.disable_stutter);
hubbub32_force_usr_retraining_allow(hubbub, hubbub->ctx->dc->debug.force_usr_allow);
return wm_pending;
}
/* Copy values from WM set A to all other sets */
static void hubbub32_init_watermarks(struct hubbub *hubbub)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
uint32_t reg;
reg = REG_READ(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A);
REG_WRITE(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, reg);
REG_WRITE(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, reg);
REG_WRITE(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, reg);
reg = REG_READ(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A);
REG_WRITE(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B, reg);
REG_WRITE(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C, reg);
REG_WRITE(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D, reg);
reg = REG_READ(DCHUBBUB_ARB_FRAC_URG_BW_NOM_A);
REG_WRITE(DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, reg);
REG_WRITE(DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, reg);
REG_WRITE(DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, reg);
reg = REG_READ(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A);
REG_WRITE(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, reg);
REG_WRITE(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, reg);
REG_WRITE(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, reg);
reg = REG_READ(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, reg);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, reg);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, reg);
reg = REG_READ(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, reg);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, reg);
REG_WRITE(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, reg);
reg = REG_READ(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A);
REG_WRITE(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B, reg);
REG_WRITE(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C, reg);
REG_WRITE(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D, reg);
reg = REG_READ(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A);
REG_WRITE(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B, reg);
REG_WRITE(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C, reg);
REG_WRITE(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D, reg);
reg = REG_READ(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A);
REG_WRITE(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B, reg);
REG_WRITE(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C, reg);
REG_WRITE(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D, reg);
}
static void hubbub32_wm_read_state(struct hubbub *hubbub,
struct dcn_hubbub_wm *wm)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
struct dcn_hubbub_wm_set *s;
memset(wm, 0, sizeof(struct dcn_hubbub_wm));
s = &wm->sets[0];
s->wm_set = 0;
REG_GET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, &s->data_urgent);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, &s->sr_enter);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, &s->sr_exit);
REG_GET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A, &s->dram_clk_chanage);
REG_GET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A, &s->usr_retrain);
REG_GET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A, &s->fclk_pstate_change);
s = &wm->sets[1];
s->wm_set = 1;
REG_GET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, &s->data_urgent);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, &s->sr_enter);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, &s->sr_exit);
REG_GET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B, &s->dram_clk_chanage);
REG_GET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B, &s->usr_retrain);
REG_GET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B, &s->fclk_pstate_change);
s = &wm->sets[2];
s->wm_set = 2;
REG_GET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, &s->data_urgent);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, &s->sr_enter);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, &s->sr_exit);
REG_GET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C, &s->dram_clk_chanage);
REG_GET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C, &s->usr_retrain);
REG_GET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C, &s->fclk_pstate_change);
s = &wm->sets[3];
s->wm_set = 3;
REG_GET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, &s->data_urgent);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D,
DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, &s->sr_enter);
REG_GET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D,
DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, &s->sr_exit);
REG_GET(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D,
DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D, &s->dram_clk_chanage);
REG_GET(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D,
DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D, &s->usr_retrain);
REG_GET(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D,
DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D, &s->fclk_pstate_change);
}
void hubbub32_force_wm_propagate_to_pipes(struct hubbub *hubbub)
{
struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
uint32_t refclk_mhz = hubbub->ctx->dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000;
uint32_t prog_wm_value = convert_and_clamp(hubbub2->watermarks.a.urgent_ns,
refclk_mhz, 0x3fff);
REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, 0,
DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, prog_wm_value);
}
static const struct hubbub_funcs hubbub32_funcs = {
.update_dchub = hubbub2_update_dchub,
.init_dchub_sys_ctx = hubbub3_init_dchub_sys_ctx,
.init_vm_ctx = hubbub2_init_vm_ctx,
.dcc_support_swizzle = hubbub3_dcc_support_swizzle,
.dcc_support_pixel_format = hubbub2_dcc_support_pixel_format,
.get_dcc_compression_cap = hubbub3_get_dcc_compression_cap,
.wm_read_state = hubbub32_wm_read_state,
.get_dchub_ref_freq = hubbub2_get_dchub_ref_freq,
.program_watermarks = hubbub32_program_watermarks,
.allow_self_refresh_control = hubbub1_allow_self_refresh_control,
.is_allow_self_refresh_enabled = hubbub1_is_allow_self_refresh_enabled,
.verify_allow_pstate_change_high = hubbub1_verify_allow_pstate_change_high,
.force_wm_propagate_to_pipes = hubbub32_force_wm_propagate_to_pipes,
.force_pstate_change_control = hubbub3_force_pstate_change_control,
.init_watermarks = hubbub32_init_watermarks,
.program_det_size = dcn32_program_det_size,
.program_compbuf_size = dcn32_program_compbuf_size,
.init_crb = dcn32_init_crb,
.hubbub_read_state = hubbub2_read_state,
.force_usr_retraining_allow = hubbub32_force_usr_retraining_allow,
};
void hubbub32_construct(struct dcn20_hubbub *hubbub2,
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,
int det_size_kb,
int pixel_chunk_size_kb,
int config_return_buffer_size_kb)
{
hubbub2->base.ctx = ctx;
hubbub2->base.funcs = &hubbub32_funcs;
hubbub2->regs = hubbub_regs;
hubbub2->shifts = hubbub_shift;
hubbub2->masks = hubbub_mask;
hubbub2->debug_test_index_pstate = 0xB;
hubbub2->detile_buf_size = det_size_kb * 1024;
hubbub2->pixel_chunk_size = pixel_chunk_size_kb * 1024;
hubbub2->crb_size_segs = config_return_buffer_size_kb / DCN32_CRB_SEGMENT_SIZE_KB;
}
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