drm/radeon/dpm: add debugfs support for CI
This allows you to look at the current DPM state via debugfs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 72ab92b..28b2b36 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -27,6 +27,7 @@
#include "r600_dpm.h"
#include "ci_dpm.h"
#include "atom.h"
+#include <linux/seq_file.h>
#define MC_CG_ARB_FREQ_F0 0x0a
#define MC_CG_ARB_FREQ_F1 0x0b
@@ -4965,6 +4966,16 @@
return 0;
}
+void ci_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m)
+{
+ u32 sclk = ci_get_average_sclk_freq(rdev);
+ u32 mclk = ci_get_average_mclk_freq(rdev);
+
+ seq_printf(m, "power level avg sclk: %u mclk: %u\n",
+ sclk, mclk);
+}
+
void ci_dpm_print_power_state(struct radeon_device *rdev,
struct radeon_ps *rps)
{
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index 861fb3e..9716ffc 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -110,6 +110,14 @@
# define RESET_SCLK_CNT (1 << 5)
# define DYNAMIC_PM_EN (1 << 21)
+#define TARGET_AND_CURRENT_PROFILE_INDEX 0xC0200014
+# define CURRENT_STATE_MASK (0xf << 4)
+# define CURRENT_STATE_SHIFT 4
+# define CURR_MCLK_INDEX_MASK (0xf << 8)
+# define CURR_MCLK_INDEX_SHIFT 8
+# define CURR_SCLK_INDEX_MASK (0x1f << 16)
+# define CURR_SCLK_INDEX_SHIFT 16
+
#define CG_SSP 0xC0200044
# define SST(x) ((x) << 0)
# define SST_MASK (0xffff << 0)
@@ -126,6 +134,10 @@
# define DISP_GAP_MCHG(x) ((x) << 24)
# define DISP_GAP_MCHG_MASK (3 << 24)
+#define TARGET_AND_CURRENT_PROFILE_INDEX_1 0xC02000F0
+# define CURR_PCIE_INDEX_MASK (0xf << 24)
+# define CURR_PCIE_INDEX_SHIFT 24
+
#define CG_ULV_PARAMETER 0xC0200158
#define CG_FTV_0 0xC02001A8
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index c633fa5..e28f08b 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2467,6 +2467,7 @@
.get_sclk = &ci_dpm_get_sclk,
.get_mclk = &ci_dpm_get_mclk,
.print_power_state = &ci_dpm_print_power_state,
+ .debugfs_print_current_performance_level = &ci_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 350da17..371a6f2 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -763,6 +763,8 @@
u32 ci_dpm_get_mclk(struct radeon_device *rdev, bool low);
void ci_dpm_print_power_state(struct radeon_device *rdev,
struct radeon_ps *ps);
+void ci_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m);
int kv_dpm_init(struct radeon_device *rdev);
int kv_dpm_enable(struct radeon_device *rdev);