korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-15 00:04:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu/cz/dpm: properly report UVD and VCE clock levels

Browse Source 
VCE, UVD DPM work similarly to SCLK DPM.  Report the current
clock levels for UVD and VCE via debugfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-07-22 12:03:50 -04:00
parent f2d52cd4db
commit acc6a1a69b
1 changed files with 45 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
drivers/gpu/drm/amd/amdgpu/cz_dpm.c
View File

@ -505,27 +505,56 @@ static void
cz_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev,
struct seq_file *m)
{
struct cz_power_info *pi = cz_get_pi(adev);
struct amdgpu_clock_voltage_dependency_table *table =
&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
u32 current_index =
(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
u32 sclk, tmp;
struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
u32 sclk_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX),
TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX);
u32 uvd_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX);
u32 vce_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX);
u32 sclk, vclk, dclk, ecclk, tmp;
u16 vddnb, vddgfx;
if (current_index >= NUM_SCLK_LEVELS) {
seq_printf(m, "invalid dpm profile %d\n", current_index);
if (sclk_index >= NUM_SCLK_LEVELS) {
seq_printf(m, "invalid sclk dpm profile %d\n", sclk_index);
} else {
sclk = table->entries[current_index].clk;
tmp = (RREG32_SMC(ixSMUSVI_NB_CURRENTVID) &
CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT;
vddnb = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
tmp = (RREG32_SMC(ixSMUSVI_GFX_CURRENTVID) &
CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT;
vddgfx = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
seq_printf(m, "power level %d sclk: %u vddnb: %u vddgfx: %u\n",
current_index, sclk, vddnb, vddgfx);
sclk = table->entries[sclk_index].clk;
seq_printf(m, "%u sclk: %u\n", sclk_index, sclk);
}
tmp = (RREG32_SMC(ixSMUSVI_NB_CURRENTVID) &
CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT;
vddnb = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
tmp = (RREG32_SMC(ixSMUSVI_GFX_CURRENTVID) &
CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT;
vddgfx = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
seq_printf(m, "vddnb: %u vddgfx: %u\n", vddnb, vddgfx);
seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en");
if (!pi->uvd_power_gated) {
if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
seq_printf(m, "invalid uvd dpm level %d\n", uvd_index);
} else {
vclk = uvd_table->entries[uvd_index].vclk;
dclk = uvd_table->entries[uvd_index].dclk;
seq_printf(m, "%u uvd vclk: %u dclk: %u\n", uvd_index, vclk, dclk);
}
}
seq_printf(m, "vce %sabled\n", pi->vce_power_gated ? "dis" : "en");
if (!pi->vce_power_gated) {
if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
seq_printf(m, "invalid vce dpm level %d\n", vce_index);
} else {
ecclk = vce_table->entries[vce_index].ecclk;
seq_printf(m, "%u vce ecclk: %u\n", vce_index, ecclk);
}
}
}