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authorAlex Deucher <alexander.deucher@amd.com>2013-06-28 10:06:26 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-07-01 16:08:32 -0400
commitbd210d11cd37bee3da729e56288b5b4a038f88bd (patch)
tree06209ecc536ee057b14f30b76e9414f6ce50ba14
parent242916a5ee55a0ed49a2c74ee4d835fe9d8ca463 (diff)
downloadop-kernel-dev-bd210d11cd37bee3da729e56288b5b4a038f88bd.zip
op-kernel-dev-bd210d11cd37bee3da729e56288b5b4a038f88bd.tar.gz
drm/radeon/dpm: add debugfs support for 7xx/evergreen/btc
This allows you to look at the current DPM state via debugfs. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h2
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c30
-rw-r--r--drivers/gpu/drm/radeon/rv770d.h4
4 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 58d4cc5..a2a34f8 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1392,6 +1392,7 @@ static struct radeon_asic rv770_asic = {
.get_sclk = &rv770_dpm_get_sclk,
.get_mclk = &rv770_dpm_get_mclk,
.print_power_state = &rv770_dpm_print_power_state,
+ .debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
},
.pflip = {
.pre_page_flip = &rs600_pre_page_flip,
@@ -1514,6 +1515,7 @@ static struct radeon_asic evergreen_asic = {
.get_sclk = &rv770_dpm_get_sclk,
.get_mclk = &rv770_dpm_get_mclk,
.print_power_state = &rv770_dpm_print_power_state,
+ .debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
},
.pflip = {
.pre_page_flip = &evergreen_pre_page_flip,
@@ -1758,6 +1760,7 @@ static struct radeon_asic btc_asic = {
.get_sclk = &btc_dpm_get_sclk,
.get_mclk = &btc_dpm_get_mclk,
.print_power_state = &rv770_dpm_print_power_state,
+ .debugfs_print_current_performance_level = &rv770_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 6b1ede1..39f5d96 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -476,6 +476,8 @@ u32 rv770_dpm_get_sclk(struct radeon_device *rdev, bool low);
u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low);
void rv770_dpm_print_power_state(struct radeon_device *rdev,
struct radeon_ps *ps);
+void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m);
/*
* evergreen
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 7f6fa62..2436b5c 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2430,6 +2430,36 @@ void rv770_dpm_print_power_state(struct radeon_device *rdev,
r600_dpm_print_ps_status(rdev, rps);
}
+void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_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);
+ if (rdev->family >= CHIP_CEDAR) {
+ seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u\n",
+ current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
+ } else {
+ seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n",
+ current_index, pl->sclk, pl->mclk, pl->vddc);
+ }
+ }
+}
+
void rv770_dpm_fini(struct radeon_device *rdev)
{
int i;
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index 784eeaf..6bef2b7 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -207,6 +207,10 @@
# define MUX_TCLK_TO_XCLK (1 << 8)
# define XTALIN_DIVIDE (1 << 9)
+#define TARGET_AND_CURRENT_PROFILE_INDEX 0x66c
+# define CURRENT_PROFILE_INDEX_MASK (0xf << 4)
+# define CURRENT_PROFILE_INDEX_SHIFT 4
+
#define S0_VID_LOWER_SMIO_CNTL 0x678
#define S1_VID_LOWER_SMIO_CNTL 0x67c
#define S2_VID_LOWER_SMIO_CNTL 0x680
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