drm/radeon: parse the uvd clock voltage deps table

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index b49b0f0795f0..c103d3fd9428 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -1030,6 +1030,42 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
                                         le16_to_cpu(limits->entries[i].usVoltage);
                         }
                 }
+                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
+                        ext_hdr->usUVDTableOffset) {
+                        UVDClockInfoArray *array = (UVDClockInfoArray *)
+                                (mode_info->atom_context->bios + data_offset +
+                                 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
+                        ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
+                                (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
+                                (mode_info->atom_context->bios + data_offset +
+                                 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
+                                 1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
+                        u32 size = limits->numEntries *
+                                sizeof(struct radeon_uvd_clock_voltage_dependency_entry);
+                        rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
+                                kzalloc(size, GFP_KERNEL);
+                        if (!rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
+                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
+                                kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
+                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
+                                kfree(rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries);
+                                kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
+                                kfree(rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries);
+                                return -ENOMEM;
+                        }
+                        rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
+                                limits->numEntries;
+                        for (i = 0; i < limits->numEntries; i++) {
+                                UVDClockInfo *uvd_clk =
+                                        &array->entries[limits->entries[i].ucUVDClockInfoIndex];
+                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
+                                        le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
+                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
+                                        le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
+                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
+                                        le16_to_cpu(limits->entries[i].usVoltage);
+                        }
+                }
                 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
                     ext_hdr->usPPMTableOffset) {
                         ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
@@ -1044,6 +1080,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
                                 kfree(rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries);
                                 kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
                                 kfree(rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries);
+                                kfree(rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries);
                                 return -ENOMEM;
                         }
                         rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
@@ -1081,6 +1118,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
                                 kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
                                 kfree(rdev->pm.dpm.dyn_state.ppm_table);
                                 kfree(rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries);
+                                kfree(rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries);
                                 return -ENOMEM;
                         }
                         if (rev > 0) {
@@ -1135,6 +1173,8 @@ void r600_free_extended_power_table(struct radeon_device *rdev)
                 kfree(rdev->pm.dpm.dyn_state.cac_tdp_table);
         if (rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries)
                 kfree(rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries);
+        if (rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries)
+                kfree(rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries);
 }
 
 enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,