xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon/dpm: add debugfs support for rv6xx

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 14:20:53 -04:00
parent 1316b79256
commit 242916a5ee
3 changed files with 28 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/gpu/drm/radeon/rv6xx_dpm.c
View File

@@ -2027,6 +2027,31 @@ void rv6xx_dpm_print_power_state(struct radeon_device *rdev,
r600_dpm_print_ps_status(rdev, rps);
}
void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
struct seq_file *m)
{
struct radeon_ps *rps = rdev->pm.dpm.current_ps;
struct rv6xx_ps *ps = rv6xx_get_ps(rps);
struct rv6xx_pl *pl;
u32 current_index =
(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
CURRENT_PROFILE_INDEX_SHIFT;
if (current_index > 2) {
seq_printf(m, "invalid dpm profile %d\n", current_index);
} else {
if (current_index == 0)
pl = &ps->low;
else if (current_index == 1)
pl = &ps->medium;
else /* current_index == 2 */
pl = &ps->high;
seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n",
current_index, pl->sclk, pl->mclk, pl->vddc);
}
}
void rv6xx_dpm_fini(struct radeon_device *rdev)
{
int i;