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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>
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@ -1392,6 +1392,7 @@ static struct radeon_asic rv770_asic = {
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.get_sclk = &rv770_dpm_get_sclk,
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.get_mclk = &rv770_dpm_get_mclk,
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.print_power_state = &rv770_dpm_print_power_state,
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.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
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},
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.pflip = {
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.pre_page_flip = &rs600_pre_page_flip,
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@ -1514,6 +1515,7 @@ static struct radeon_asic evergreen_asic = {
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.get_sclk = &rv770_dpm_get_sclk,
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.get_mclk = &rv770_dpm_get_mclk,
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.print_power_state = &rv770_dpm_print_power_state,
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.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
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},
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.pflip = {
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.pre_page_flip = &evergreen_pre_page_flip,
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@ -1758,6 +1760,7 @@ static struct radeon_asic btc_asic = {
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.get_sclk = &btc_dpm_get_sclk,
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.get_mclk = &btc_dpm_get_mclk,
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.print_power_state = &rv770_dpm_print_power_state,
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.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
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},
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.pflip = {
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.pre_page_flip = &evergreen_pre_page_flip,
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@ -476,6 +476,8 @@ u32 rv770_dpm_get_sclk(struct radeon_device *rdev, bool low);
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u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low);
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void rv770_dpm_print_power_state(struct radeon_device *rdev,
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struct radeon_ps *ps);
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void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
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struct seq_file *m);
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/*
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* evergreen
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@ -2430,6 +2430,36 @@ void rv770_dpm_print_power_state(struct radeon_device *rdev,
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r600_dpm_print_ps_status(rdev, rps);
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}
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void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
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struct seq_file *m)
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{
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struct radeon_ps *rps = rdev->pm.dpm.current_ps;
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struct rv7xx_ps *ps = rv770_get_ps(rps);
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struct rv7xx_pl *pl;
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u32 current_index =
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(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
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CURRENT_PROFILE_INDEX_SHIFT;
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if (current_index > 2) {
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seq_printf(m, "invalid dpm profile %d\n", current_index);
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} else {
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if (current_index == 0)
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pl = &ps->low;
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else if (current_index == 1)
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pl = &ps->medium;
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else /* current_index == 2 */
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pl = &ps->high;
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seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
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if (rdev->family >= CHIP_CEDAR) {
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seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u\n",
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current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
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} else {
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seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n",
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current_index, pl->sclk, pl->mclk, pl->vddc);
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}
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}
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}
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void rv770_dpm_fini(struct radeon_device *rdev)
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{
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int i;
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@ -207,6 +207,10 @@
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# define MUX_TCLK_TO_XCLK (1 << 8)
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# define XTALIN_DIVIDE (1 << 9)
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#define TARGET_AND_CURRENT_PROFILE_INDEX 0x66c
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# define CURRENT_PROFILE_INDEX_MASK (0xf << 4)
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# define CURRENT_PROFILE_INDEX_SHIFT 4
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#define S0_VID_LOWER_SMIO_CNTL 0x678
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#define S1_VID_LOWER_SMIO_CNTL 0x67c
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#define S2_VID_LOWER_SMIO_CNTL 0x680
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