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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-03-20 12:30:25 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:16:34 -0400 |
| commit | 929ee7a8b35962041192504046aaf75d8c1bd5e5 (patch) | |
| tree | 0faae7415933cb2441106a9e781253fa5a59d34b /drivers/gpu/drm/radeon/r600_dpm.c | |
| parent | 32ce4652dc9074385e00f3a5e6fa995e612aa113 (diff) | |
| download | linux-stable-929ee7a8b35962041192504046aaf75d8c1bd5e5.tar.gz linux-stable-929ee7a8b35962041192504046aaf75d8c1bd5e5.tar.bz2 linux-stable-929ee7a8b35962041192504046aaf75d8c1bd5e5.zip | |
drm/radeon/dpm: pull in phase shedding limits from atom
Required for dpm on SI.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_dpm.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index bcb1967cd3fb..a213d5a01ace 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -806,7 +806,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) } } - /* clock dependancy tables */ + /* clock dependancy tables, shedding tables */ if (power_info->pplib.usTableSize >= sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) { if (power_info->pplib4.usVddcDependencyOnSCLKOffset) { dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) @@ -858,6 +858,32 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) le16_to_cpu(clk_v->entries[0].usVddci); } } + if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) { + ATOM_PPLIB_PhaseSheddingLimits_Table *psl = + (ATOM_PPLIB_PhaseSheddingLimits_Table *) + (mode_info->atom_context->bios + data_offset + + le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset)); + + rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries = + kzalloc(psl->ucNumEntries * + sizeof(struct radeon_phase_shedding_limits_entry), + GFP_KERNEL); + if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) + return -ENOMEM; + + for (i = 0; i < psl->ucNumEntries; i++) { + rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk = + le16_to_cpu(psl->entries[i].usSclkLow) | + (psl->entries[i].ucSclkHigh << 16); + rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk = + le16_to_cpu(psl->entries[i].usMclkLow) | + (psl->entries[i].ucMclkHigh << 16); + rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage = + le16_to_cpu(psl->entries[i].usVoltage); + } + rdev->pm.dpm.dyn_state.phase_shedding_limits_table.count = + psl->ucNumEntries; + } } /* cac data */ @@ -909,4 +935,6 @@ void r600_free_extended_power_table(struct radeon_device *rdev) kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries); if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries) kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries); + if (rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) + kfree(rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries); } |