ping. On 2020-01-10 1:33 p.m., shaoyunl wrote:
In SRIOV, rlc_g firmware is loaded by host, guest driver won't load it which will cause the rlc_fw pointer is null Change-Id: Id16f65171dd427d623af4c5bc75f674019e63dec Signed-off-by: shaoyunl <shaoyun.liu@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 379e46c..07e22f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -808,10 +808,11 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev) info = &adev->firmware.ucode[AMDGPU_UCODE_ID_RLC_G]; info->ucode_id = AMDGPU_UCODE_ID_RLC_G; info->fw = adev->gfx.rlc_fw; - header = (const struct common_firmware_header *)info->fw->data; - adev->firmware.fw_size += - ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); - + if (info->fw) { + header = (const struct common_firmware_header *)info->fw->data; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); + } if (adev->gfx.rlc.is_rlc_v2_1 && adev->gfx.rlc.save_restore_list_cntl_size_bytes && adev->gfx.rlc.save_restore_list_gpm_size_bytes &&
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