diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index dce9e7d5e4ec..093141ad6ed0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1018,7 +1018,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, if (clock_type == COMPUTE_ENGINE_PLL_PARAM) { args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock); - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL; dividers->post_div = args.v3.ucPostDiv; dividers->enable_post_div = (args.v3.ucCntlFlag & @@ -1038,7 +1040,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, if (strobe_mode) args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN; - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL; dividers->post_div = args.v5.ucPostDiv; dividers->enable_post_div = (args.v5.ucCntlFlag & @@ -1056,7 +1060,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, /* fusion */ args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */ - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL; dividers->post_divider = dividers->post_div = args.v4.ucPostDiv; dividers->real_clock = le32_to_cpu(args.v4.ulClock); @@ -1067,7 +1073,9 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev, args.v6_in.ulClock.ulComputeClockFlag = clock_type; args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */ - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL; dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv); dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac); @@ -1109,7 +1117,9 @@ int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, if (strobe_mode) args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN; - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL; mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac); mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv); @@ -1135,8 +1145,8 @@ int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, return 0; } -void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, - u32 eng_clock, u32 mem_clock) +int amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, + u32 eng_clock, u32 mem_clock) { SET_ENGINE_CLOCK_PS_ALLOCATION args; int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings); @@ -1151,7 +1161,8 @@ void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, if (mem_clock) args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK); - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + return amdgpu_atom_execute_table(adev->mode_info.atom_context, index, + (uint32_t *)&args, sizeof(args)); } void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev, @@ -1205,7 +1216,9 @@ int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, args.v2.ucVoltageMode = 0; args.v2.usVoltageLevel = 0; - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL; *voltage = le16_to_cpu(args.v2.usVoltageLevel); break; @@ -1214,7 +1227,9 @@ int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL; args.v3.usVoltageLevel = cpu_to_le16(voltage_id); - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); + if (amdgpu_atom_execute_table(adev->mode_info.atom_context, + index, (uint32_t *)&args, sizeof(args))) + return -EINVAL; *voltage = le16_to_cpu(args.v3.usVoltageLevel); break; @@ -1476,6 +1491,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, (u32)le32_to_cpu(*((u32 *)reg_data + j)); j++; } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + if (i == 0) + continue; reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; } |