From 62c35fd7d2e6d383301f029e63f6b7d17ea82637 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 19 Feb 2013 18:15:06 -0500 Subject: [PATCH] drm/radeon/cik: implement some more atom helpers for DPM Required for DPM on CIK. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_atombios.c | 115 +++++++++++++++++++++++ 1 file changed, 115 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 4ccd61f60eb6..27de73c162c9 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -3077,6 +3077,121 @@ int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev return radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage); } +int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev, + u16 *leakage_id) +{ + union set_voltage args; + int index = GetIndexIntoMasterTable(COMMAND, SetVoltage); + u8 frev, crev; + + if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev)) + return -EINVAL; + + switch (crev) { + case 3: + case 4: + args.v3.ucVoltageType = 0; + args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID; + args.v3.usVoltageLevel = 0; + + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + + *leakage_id = le16_to_cpu(args.v3.usVoltageLevel); + break; + default: + DRM_ERROR("Unknown table version %d, %d\n", frev, crev); + return -EINVAL; + } + + return 0; +} + +int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev, + u16 *vddc, u16 *vddci, + u16 virtual_voltage_id, + u16 vbios_voltage_id) +{ + int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo); + u8 frev, crev; + u16 data_offset, size; + int i, j; + ATOM_ASIC_PROFILING_INFO_V2_1 *profile; + u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf; + + *vddc = 0; + *vddci = 0; + + if (!atom_parse_data_header(rdev->mode_info.atom_context, index, &size, + &frev, &crev, &data_offset)) + return -EINVAL; + + profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *) + (rdev->mode_info.atom_context->bios + data_offset); + + switch (frev) { + case 1: + return -EINVAL; + case 2: + switch (crev) { + case 1: + if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1)) + return -EINVAL; + leakage_bin = (u16 *) + (rdev->mode_info.atom_context->bios + data_offset + + le16_to_cpu(profile->usLeakageBinArrayOffset)); + vddc_id_buf = (u16 *) + (rdev->mode_info.atom_context->bios + data_offset + + le16_to_cpu(profile->usElbVDDC_IdArrayOffset)); + vddc_buf = (u16 *) + (rdev->mode_info.atom_context->bios + data_offset + + le16_to_cpu(profile->usElbVDDC_LevelArrayOffset)); + vddci_id_buf = (u16 *) + (rdev->mode_info.atom_context->bios + data_offset + + le16_to_cpu(profile->usElbVDDCI_IdArrayOffset)); + vddci_buf = (u16 *) + (rdev->mode_info.atom_context->bios + data_offset + + le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset)); + + if (profile->ucElbVDDC_Num > 0) { + for (i = 0; i < profile->ucElbVDDC_Num; i++) { + if (vddc_id_buf[i] == virtual_voltage_id) { + for (j = 0; j < profile->ucLeakageBinNum; j++) { + if (vbios_voltage_id <= leakage_bin[j]) { + *vddc = vddc_buf[j * profile->ucElbVDDC_Num + i]; + break; + } + } + break; + } + } + } + if (profile->ucElbVDDCI_Num > 0) { + for (i = 0; i < profile->ucElbVDDCI_Num; i++) { + if (vddci_id_buf[i] == virtual_voltage_id) { + for (j = 0; j < profile->ucLeakageBinNum; j++) { + if (vbios_voltage_id <= leakage_bin[j]) { + *vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i]; + break; + } + } + break; + } + } + } + break; + default: + DRM_ERROR("Unknown table version %d, %d\n", frev, crev); + return -EINVAL; + } + break; + default: + DRM_ERROR("Unknown table version %d, %d\n", frev, crev); + return -EINVAL; + } + + return 0; +} + int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type, u32 *gpio_value, u32 *gpio_mask) -- 2.30.2