summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c81
1 files changed, 40 insertions, 41 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index 353d5fb9e..9cbab880c 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -50,6 +50,7 @@
#include "dc_dmub_srv.h"
#include "link.h"
#include "logger_types.h"
+
#undef DC_LOGGER
#define DC_LOGGER \
clk_mgr->base.base.ctx->logger
@@ -80,12 +81,12 @@
static int dcn35_get_active_display_cnt_wa(
struct dc *dc,
- struct dc_state *context)
+ struct dc_state *context,
+ int *all_active_disps)
{
- int i, display_count;
+ int i, display_count = 0;
bool tmds_present = false;
- display_count = 0;
for (i = 0; i < context->stream_count; i++) {
const struct dc_stream_state *stream = context->streams[i];
@@ -103,7 +104,8 @@ static int dcn35_get_active_display_cnt_wa(
link->link_enc->funcs->is_dig_enabled(link->link_enc))
display_count++;
}
-
+ if (all_active_disps != NULL)
+ *all_active_disps = display_count;
/* WA for hang on HDMI after display off back on*/
if (display_count == 0 && tmds_present)
display_count = 1;
@@ -216,15 +218,16 @@ void dcn35_update_clocks(struct clk_mgr *clk_mgr_base,
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
struct dc *dc = clk_mgr_base->ctx->dc;
- int display_count;
+ int display_count = 0;
bool update_dppclk = false;
bool update_dispclk = false;
bool dpp_clock_lowered = false;
+ int all_active_disps = 0;
if (dc->work_arounds.skip_clock_update)
return;
- /* DTBCLK is fixed, so set a default if unspecified. */
+ display_count = dcn35_get_active_display_cnt_wa(dc, context, &all_active_disps);
if (new_clocks->dtbclk_en && !new_clocks->ref_dtbclk_khz)
new_clocks->ref_dtbclk_khz = 600000;
@@ -246,7 +249,6 @@ void dcn35_update_clocks(struct clk_mgr *clk_mgr_base,
}
/* check that we're not already in lower */
if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {
- display_count = dcn35_get_active_display_cnt_wa(dc, context);
/* if we can go lower, go lower */
if (display_count == 0)
clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER;
@@ -382,19 +384,6 @@ static void dcn35_enable_pme_wa(struct clk_mgr *clk_mgr_base)
dcn35_smu_enable_pme_wa(clk_mgr);
}
-void dcn35_init_clocks(struct clk_mgr *clk_mgr)
-{
- uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz;
-
- memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
-
- // Assumption is that boot state always supports pstate
- clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk
- clk_mgr->clks.p_state_change_support = true;
- clk_mgr->clks.prev_p_state_change_support = true;
- clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN;
- clk_mgr->clks.zstate_support = DCN_ZSTATE_SUPPORT_UNKNOWN;
-}
bool dcn35_are_clock_states_equal(struct dc_clocks *a,
struct dc_clocks *b)
@@ -416,11 +405,22 @@ bool dcn35_are_clock_states_equal(struct dc_clocks *a,
}
static void dcn35_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass,
- struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info)
+ struct clk_mgr_dcn35 *clk_mgr)
{
-
}
+void dcn35_init_clocks(struct clk_mgr *clk_mgr)
+{
+ uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz;
+
+ memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
+ // Assumption is that boot state always supports pstate
+ clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk
+ clk_mgr->clks.p_state_change_support = true;
+ clk_mgr->clks.prev_p_state_change_support = true;
+ clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN;
+ clk_mgr->clks.zstate_support = DCN_ZSTATE_SUPPORT_UNKNOWN;
+}
static struct clk_bw_params dcn35_bw_params = {
.vram_type = Ddr4MemType,
.num_channels = 1,
@@ -436,32 +436,32 @@ static struct wm_table ddr5_wm_table = {
.wm_inst = WM_A,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
{
.wm_inst = WM_B,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
{
.wm_inst = WM_C,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
{
.wm_inst = WM_D,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
}
@@ -473,32 +473,32 @@ static struct wm_table lpddr5_wm_table = {
.wm_inst = WM_A,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.65333,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
{
.wm_inst = WM_B,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.65333,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
{
.wm_inst = WM_C,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.65333,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
{
.wm_inst = WM_D,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.65333,
- .sr_exit_time_us = 14.0,
- .sr_enter_plus_exit_time_us = 16.0,
+ .sr_exit_time_us = 28.0,
+ .sr_enter_plus_exit_time_us = 30.0,
.valid = true,
},
}
@@ -825,7 +825,7 @@ static void dcn35_set_low_power_state(struct clk_mgr *clk_mgr_base)
struct dc_state *context = dc->current_state;
if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {
- display_count = dcn35_get_active_display_cnt_wa(dc, context);
+ display_count = dcn35_get_active_display_cnt_wa(dc, context, NULL);
/* if we can go lower, go lower */
if (display_count == 0)
clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER;
@@ -992,7 +992,6 @@ void dcn35_clk_mgr_construct(
struct dccg *dccg)
{
struct dcn35_smu_dpm_clks smu_dpm_clks = { 0 };
- struct clk_log_info log_info = {0};
clk_mgr->base.base.ctx = ctx;
clk_mgr->base.base.funcs = &dcn35_funcs;
@@ -1045,7 +1044,7 @@ void dcn35_clk_mgr_construct(
dcn35_bw_params.wm_table = ddr5_wm_table;
}
/* Saved clocks configured at boot for debug purposes */
- dcn35_dump_clk_registers(&clk_mgr->base.base.boot_snapshot, &clk_mgr->base.base, &log_info);
+ dcn35_dump_clk_registers(&clk_mgr->base.base.boot_snapshot, clk_mgr);
clk_mgr->base.base.dprefclk_khz = dcn35_smu_get_dprefclk(&clk_mgr->base);
clk_mgr->base.base.clks.ref_dtbclk_khz = 600000;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-02 05:45:05 +0000