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drm/amd/pm: populate Arcturus PCIE link state

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Populate current link speed, width and clock domain frequency.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2020-10-10 09:58:41 +08:00 committed by Alex Deucher
parent 7d92c1fd11
commit 585584dbaa
2 changed files with 18 additions and 3 deletions
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3
drivers/gpu/drm/amd/pm/amdgpu_pm.c
View File

@ -2060,9 +2060,6 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
} else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
if (asic_type < CHIP_VEGA20)
*states = ATTR_STATE_UNSUPPORTED;
} else if (DEVICE_ATTR_IS(pp_dpm_pcie)) {
if (asic_type == CHIP_ARCTURUS)
*states = ATTR_STATE_UNSUPPORTED;
} else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) {
*states = ATTR_STATE_UNSUPPORTED;
if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||

18
drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
View File

@ -717,6 +717,7 @@ static int arcturus_print_clk_levels(struct smu_context *smu,
struct smu_11_0_dpm_table *single_dpm_table;
struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
struct smu_11_0_dpm_context *dpm_context = NULL;
uint32_t gen_speed, lane_width;
if (amdgpu_ras_intr_triggered())
return snprintf(buf, PAGE_SIZE, "unavailable\n");
@ -820,6 +821,23 @@ static int arcturus_print_clk_levels(struct smu_context *smu,
now) ? "*" : ""));
break;
case SMU_PCIE:
gen_speed = smu_v11_0_get_current_pcie_link_speed_level(smu);
lane_width = smu_v11_0_get_current_pcie_link_width_level(smu);
size += sprintf(buf + size, "0: %s %s %dMhz *\n",
(gen_speed == 0) ? "2.5GT/s," :
(gen_speed == 1) ? "5.0GT/s," :
(gen_speed == 2) ? "8.0GT/s," :
(gen_speed == 3) ? "16.0GT/s," : "",
(lane_width == 1) ? "x1" :
(lane_width == 2) ? "x2" :
(lane_width == 3) ? "x4" :
(lane_width == 4) ? "x8" :
(lane_width == 5) ? "x12" :
(lane_width == 6) ? "x16" : "",
smu->smu_table.boot_values.lclk / 100);
break;
default:
break;
}