diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 10:06:26 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-01 16:08:32 -0400 |
| commit | bd210d11cd37bee3da729e56288b5b4a038f88bd (patch) | |
| tree | 06209ecc536ee057b14f30b76e9414f6ce50ba14 /drivers/gpu/drm | |
| parent | 242916a5ee55a0ed49a2c74ee4d835fe9d8ca463 (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770_dpm.c | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770d.h | 4 |
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 58d4cc5c7c9..a2a34f86434 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 6b1ede11ed2..39f5d96d7c4 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 7f6fa622123..2436b5c7e66 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 784eeaf315c..6bef2b7d601 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 |