FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-30 21:46:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/radeon/dpm: add debugfs support for TN

Browse Source 
This allows you to look at the current DPM state via
debugfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-28 12:01:38 -04:00
parent fb70160c5f
commit 490ab9314b
3 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/radeon/radeon_asic.c
View File

@ -2108,6 +2108,7 @@ static struct radeon_asic trinity_asic = {
.get_sclk = &trinity_dpm_get_sclk,
.get_mclk = &trinity_dpm_get_mclk,
.print_power_state = &trinity_dpm_print_power_state,
.debugfs_print_current_performance_level = &trinity_dpm_debugfs_print_current_performance_level,
},
.pflip = {
.pre_page_flip = &evergreen_pre_page_flip,

2
drivers/gpu/drm/radeon/radeon_asic.h
View File

@ -626,6 +626,8 @@ u32 trinity_dpm_get_sclk(struct radeon_device *rdev, bool low);
u32 trinity_dpm_get_mclk(struct radeon_device *rdev, bool low);
void trinity_dpm_print_power_state(struct radeon_device *rdev,
struct radeon_ps *ps);
void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
struct seq_file *m);
/* DCE6 - SI */
void dce6_bandwidth_update(struct radeon_device *rdev);

21
drivers/gpu/drm/radeon/trinity_dpm.c
View File

@ -1855,6 +1855,27 @@ void trinity_dpm_print_power_state(struct radeon_device *rdev,
r600_dpm_print_ps_status(rdev, rps);
}
void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
struct seq_file *m)
{
struct radeon_ps *rps = rdev->pm.dpm.current_ps;
struct trinity_ps *ps = trinity_get_ps(rps);
struct trinity_pl *pl;
u32 current_index =
(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >>
CURRENT_STATE_SHIFT;
if (current_index >= ps->num_levels) {
seq_printf(m, "invalid dpm profile %d\n", current_index);
} else {
pl = &ps->levels[current_index];
seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
seq_printf(m, "power level %d sclk: %u vddc: %u\n",
current_index, pl->sclk,
trinity_convert_voltage_index_to_value(rdev, pl->vddc_index));
}
}
void trinity_dpm_fini(struct radeon_device *rdev)
{
int i;