From 98bf250edd64344124fe5f619d6320d02e17af5e Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Thu, 15 Aug 2019 15:46:10 +0800 Subject: [PATCH] drm/amdgpu: check SMU NULL ptr on gfx hw init Check SMU NULL ptr before load smu fw. Signed-off-by: Likun Gao Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 9fe20b7..04c5c8d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -6540,14 +6540,16 @@ static int gfx_v10_0_hw_init(void *handle) * loaded firstly, so in direct type, it has to load smc ucode * here before rlc. */ - r = smu_load_microcode(&adev->smu); - if (r) - return r; + if (adev->smu.ppt_funcs != NULL) { + r = smu_load_microcode(&adev->smu); + if (r) + return r; - r = smu_check_fw_status(&adev->smu); - if (r) { - pr_err("SMC firmware status is not correct\n"); - return r; + r = smu_check_fw_status(&adev->smu); + if (r) { + pr_err("SMC firmware status is not correct\n"); + return r; + } } } -- 2.7.4