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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
parentbdf0c4f07d5fbda79569a11116053bed44873c8a (diff)
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')
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h2
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c19
-rw-r--r--drivers/gpu/drm/radeon/sid.h4
4 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 5b3a122912f7..a5b244dc50ca 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2282,6 +2282,7 @@ static struct radeon_asic si_asic = {
.get_sclk = &ni_dpm_get_sclk,
.get_mclk = &ni_dpm_get_mclk,
.print_power_state = &ni_dpm_print_power_state,
+ .debugfs_print_current_performance_level = &si_dpm_debugfs_print_current_performance_level,
},
.pflip = {
.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 7524edb26152..6822c7aeacaa 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -677,6 +677,8 @@ int si_dpm_set_power_state(struct radeon_device *rdev);
void si_dpm_post_set_power_state(struct radeon_device *rdev);
void si_dpm_fini(struct radeon_device *rdev);
void si_dpm_display_configuration_changed(struct radeon_device *rdev);
+void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m);
/* DCE8 - CIK */
void dce8_bandwidth_update(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 6918f070eb52..46e9fc56cee7 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);
+ }
+}
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 299d657d0168..12a20eb77d0c 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -220,6 +220,10 @@
# define GFX_CLK_OFF_ACPI_D3 (1 << 13)
# define DYN_LIGHT_SLEEP_EN (1 << 14)
+#define TARGET_AND_CURRENT_PROFILE_INDEX 0x798
+# define CURRENT_STATE_INDEX_MASK (0xf << 4)
+# define CURRENT_STATE_INDEX_SHIFT 4
+
#define CG_FTV 0x7bc
#define CG_FFCT_0 0x7c0