From: Charlene Liu <charlene.liu@xxxxxxx>
Rollback to new context for active display: this was previous tested
sequence. Avoid to do OTG master toggle is no active display at all,
this w/a was for fifo err.
Reviewed-by: Chris Park <chris.park@xxxxxxx>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@xxxxxxx>
Signed-off-by: Charlene Liu <charlene.liu@xxxxxxx>
---
.../display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 27 ++++++------
.../amd/display/dc/clk_mgr/dcn35/dcn35_smu.c | 43 ++++++++++++++-----
2 files changed, 47 insertions(+), 23 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 d5fde7d23fbf..9e0fa01ecb79 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
@@ -80,12 +80,12 @@
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 +103,8 @@ 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;
@@ -224,15 +225,16 @@ 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;
@@ -254,7 +256,6 @@ 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;
@@ -311,11 +312,13 @@ void dcn35_update_clocks(struct clk_mgr *clk_mgr_base,
}
if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) {
- dcn35_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true);
-
clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
- dcn35_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
- dcn35_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false);
+ if (all_active_disps != 0) {
+ dcn35_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true);
+ dcn35_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
+ dcn35_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false);
+ } else
+ dcn35_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
update_dispclk = true;
}
@@ -826,7 +829,7 @@ 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;
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c
index af0a0f292595..786b62ab8d0f 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c
@@ -279,7 +279,7 @@ void dcn35_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, u
clk_mgr,
VBIOSSMC_MSG_SetDisplayIdleOptimizations,
idle_info);
- smu_print("VBIOSSMC_MSG_SetDisplayIdleOptimizations idle_info = %d\n", idle_info);
+ smu_print("%s: VBIOSSMC_MSG_SetDisplayIdleOptimizations idle_info = %x\n", __func__, idle_info);
}
void dcn35_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable)
@@ -298,7 +298,7 @@ void dcn35_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool e
clk_mgr,
VBIOSSMC_MSG_SetDisplayIdleOptimizations,
idle_info.data);
- smu_print("dcn35_smu_enable_phy_refclk_pwrdwn = %d\n", enable ? 1 : 0);
+ smu_print("%s smu_enable_phy_refclk_pwrdwn = %d\n", __func__, enable ? 1 : 0);
}
void dcn35_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr)
@@ -310,6 +310,7 @@ void dcn35_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr)
clk_mgr,
VBIOSSMC_MSG_UpdatePmeRestore,
0);
+ smu_print("%s: SMC_MSG_UpdatePmeRestore\n", __func__);
}
void dcn35_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high)
@@ -350,7 +351,7 @@ void dcn35_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr)
void dcn35_smu_set_zstate_support(struct clk_mgr_internal *clk_mgr, enum dcn_zstate_support_state support)
{
- unsigned int msg_id, param;
+ unsigned int msg_id, param, retv;
if (!clk_mgr->smu_present)
return;
@@ -360,27 +361,32 @@ void dcn35_smu_set_zstate_support(struct clk_mgr_internal *clk_mgr, enum dcn_zst
case DCN_ZSTATE_SUPPORT_ALLOW:
msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
param = (1 << 10) | (1 << 9) | (1 << 8);
+ smu_print("%s: SMC_MSG_AllowZstatesEntr msg = ALLOW, param = %d\n", __func__, param);
break;
case DCN_ZSTATE_SUPPORT_DISALLOW:
msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
param = 0;
+ smu_print("%s: SMC_MSG_AllowZstatesEntr msg_id = DISALLOW, param = %d\n", __func__, param);
break;
case DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY:
msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
param = (1 << 10);
+ smu_print("%s: SMC_MSG_AllowZstatesEntr msg = ALLOW_Z10_ONLY, param = %d\n", __func__, param);
break;
case DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY:
msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
param = (1 << 10) | (1 << 8);
+ smu_print("%s: SMC_MSG_AllowZstatesEntr msg = ALLOW_Z8_Z10_ONLY, param = %d\n", __func__, param);
break;
case DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY:
msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
param = (1 << 8);
+ smu_print("%s: SMC_MSG_AllowZstatesEntry msg = ALLOW_Z8_ONLY, param = %d\n", __func__, param);
break;
default: //DCN_ZSTATE_SUPPORT_UNKNOWN
@@ -390,11 +396,11 @@ void dcn35_smu_set_zstate_support(struct clk_mgr_internal *clk_mgr, enum dcn_zst
}
- dcn35_smu_send_msg_with_param(
+ retv = dcn35_smu_send_msg_with_param(
clk_mgr,
msg_id,
param);
- smu_print("dcn35_smu_set_zstate_support msg_id = %d, param = %d\n", msg_id, param);
+ smu_print("%s: msg_id = %d, param = 0x%x, return = %d\n", __func__, msg_id, param, retv);
}
int dcn35_smu_get_dprefclk(struct clk_mgr_internal *clk_mgr)
@@ -408,7 +414,7 @@ int dcn35_smu_get_dprefclk(struct clk_mgr_internal *clk_mgr)
VBIOSSMC_MSG_GetDprefclkFreq,
0);
- smu_print("dcn35_smu_get_DPREF clk = %d mhz\n", dprefclk);
+ smu_print("%s: SMU DPREF clk = %d mhz\n", __func__, dprefclk);
return dprefclk * 1000;
}
@@ -423,7 +429,7 @@ int dcn35_smu_get_dtbclk(struct clk_mgr_internal *clk_mgr)
VBIOSSMC_MSG_GetDtbclkFreq,
0);
- smu_print("dcn35_smu_get_dtbclk = %d mhz\n", dtbclk);
+ smu_print("%s: get_dtbclk = %dmhz\n", __func__, dtbclk);
return dtbclk * 1000;
}
/* Arg = 1: Turn DTB on; 0: Turn DTB CLK OFF. when it is on, it is 600MHZ */
@@ -436,7 +442,7 @@ void dcn35_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable)
clk_mgr,
VBIOSSMC_MSG_SetDtbClk,
enable);
- smu_print("dcn35_smu_set_dtbclk = %d \n", enable ? 1 : 0);
+ smu_print("%s: smu_set_dtbclk = %d\n", __func__, enable ? 1 : 0);
}
void dcn35_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable)
@@ -445,30 +451,45 @@ void dcn35_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *cl
clk_mgr,
VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown,
enable);
+ smu_print("%s: smu_enable_48mhz_tmdp_refclk_pwrdwn = %d\n", __func__, enable ? 1 : 0);
}
int dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr)
{
- return dcn35_smu_send_msg_with_param(
+ int retv;
+
+ retv = dcn35_smu_send_msg_with_param(
clk_mgr,
VBIOSSMC_MSG_DispPsrExit,
0);
+ smu_print("%s: smu_exit_low_power_state return = %d\n", __func__, retv);
+ return retv;
}
int dcn35_smu_get_ips_supported(struct clk_mgr_internal *clk_mgr)
{
- return dcn35_smu_send_msg_with_param(
+ int retv;
+
+ retv = dcn35_smu_send_msg_with_param(
clk_mgr,
VBIOSSMC_MSG_QueryIPS2Support,
0);
+
+ smu_print("%s: VBIOSSMC_MSG_QueryIPS2Support return = %x\n", __func__, retv);
+ return retv;
}
void dcn35_smu_write_ips_scratch(struct clk_mgr_internal *clk_mgr, uint32_t param)
{
REG_WRITE(MP1_SMN_C2PMSG_71, param);
+ smu_print("%s: write_ips_scratch = %x\n", __func__, param);
}
uint32_t dcn35_smu_read_ips_scratch(struct clk_mgr_internal *clk_mgr)
{
- return REG_READ(MP1_SMN_C2PMSG_71);
+ uint32_t retv;
+
+ retv = REG_READ(MP1_SMN_C2PMSG_71);
+ smu_print("%s: dcn35_smu_read_ips_scratch = %x\n", __func__, retv);
+ return retv;
}
--
2.42.0
