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authorAlex Deucher <alexander.deucher@amd.com>2013-06-28 18:02:19 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-07-01 16:09:06 -0400
commit7982128c3d447df27db963af67bc6b8dc7efb1de (patch)
tree8f671df217823306b7e469e4df7aff09d3f7a943 /drivers/gpu/drm/radeon/si_dpm.c
parentbdf0c4f07d5fbda79569a11116053bed44873c8a (diff)
downloadop-kernel-dev-7982128c3d447df27db963af67bc6b8dc7efb1de.zip
op-kernel-dev-7982128c3d447df27db963af67bc6b8dc7efb1de.tar.gz
drm/radeon/dpm: add debugfs support for SI
This allows you to look at the current DPM state via debugfs. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/si_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 6918f07..46e9fc5 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -6385,3 +6385,22 @@ void si_dpm_fini(struct radeon_device *rdev)
r600_free_extended_power_table(rdev);
}
+void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct ni_ps *ps = ni_get_ps(rps);
+ struct rv7xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
+ CURRENT_STATE_INDEX_SHIFT;
+
+ if (current_index >= ps->performance_level_count) {
+ seq_printf(m, "invalid dpm profile %d\n", current_index);
+ } else {
+ pl = &ps->performance_levels[current_index];
+ 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 vddci: %u pcie gen: %u\n",
+ current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1);
+ }
+}
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