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authorAlex Deucher <alexander.deucher@amd.com>2013-09-04 16:13:56 -0400
committerChristian König <christian.koenig@amd.com>2014-02-18 16:11:33 +0100
commit58bd2a88facbdf3c39db0f834111cd4294400814 (patch)
tree7aecd3346f5f5b75d8ccd58c088eabfc3574ae5a /drivers/gpu/drm/radeon/r600_dpm.c
parentb62d628bd63f61e9aea3b8fab2ec638680bf4aa4 (diff)
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drm/radeon/dpm: fetch vce states from the vbios
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.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index e8b6e4ab312b..cbf7e3269f84 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -1063,7 +1063,15 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1 + array->ucNumEntries * sizeof(VCEClockInfo));
+ ATOM_PPLIB_VCE_State_Table *states =
+ (ATOM_PPLIB_VCE_State_Table *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
+ 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) +
+ 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)));
ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
+ ATOM_PPLIB_VCE_State_Record *state_entry;
+ VCEClockInfo *vce_clk;
u32 size = limits->numEntries *
sizeof(struct radeon_vce_clock_voltage_dependency_entry);
rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
@@ -1075,8 +1083,9 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
limits->numEntries;
entry = &limits->entries[0];
+ state_entry = &states->entries[0];
for (i = 0; i < limits->numEntries; i++) {
- VCEClockInfo *vce_clk = (VCEClockInfo *)
+ vce_clk = (VCEClockInfo *)
((u8 *)&array->entries[0] +
(entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
@@ -1088,6 +1097,23 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
}
+ for (i = 0; i < states->numEntries; i++) {
+ if (i >= RADEON_MAX_VCE_LEVELS)
+ break;
+ vce_clk = (VCEClockInfo *)
+ ((u8 *)&array->entries[0] +
+ (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
+ rdev->pm.dpm.vce_states[i].evclk =
+ le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
+ rdev->pm.dpm.vce_states[i].ecclk =
+ le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
+ rdev->pm.dpm.vce_states[i].clk_idx =
+ state_entry->ucClockInfoIndex & 0x3f;
+ rdev->pm.dpm.vce_states[i].pstate =
+ (state_entry->ucClockInfoIndex & 0xc0) >> 6;
+ state_entry = (ATOM_PPLIB_VCE_State_Record *)
+ ((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record));
+ }
}
if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
ext_hdr->usUVDTableOffset) {