diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 7ba439e9f30f94ce77cda5936caf7769fa82fc32..4ac5f4027620c69c638b316822d5ab481b2f8810 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1480,6 +1480,15 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev, uint8_t frev, crev; int i, num_indices; + if (id == ASIC_INTERNAL_MEMORY_SS) { + if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT)) + return false; + } + if (id == ASIC_INTERNAL_ENGINE_SS) { + if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT)) + return false; + } + memset(ss, 0, sizeof(struct radeon_atom_ss)); if (atom_parse_data_header(mode_info->atom_context, index, &size, &frev, &crev, &data_offset)) {