From: Gavin Wan Date: Wed, 13 Apr 2022 15:09:22 +0000 (-0400) Subject: drm/amd/amdgpu: Remove static from variable in RLCG Reg RW X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d68cf992ded575928cf4ddf7c64faff0d8dcce14;p=linux.git drm/amd/amdgpu: Remove static from variable in RLCG Reg RW [why] These static variables save the RLC Scratch registers address. When we install multiple GPUs (for example: XGMI setting) and multiple GPUs call the function at same time. The RLC Scratch registers address are changed each other. Then it caused reading/writing from/to wrong GPU. [how] Removed the static from the variables. The variables are on the stack. Fixes: 5d447e29670148 ("drm/amdgpu: add helper for rlcg indirect reg access") Reviewed-by: Alex Deucher Signed-off-by: Gavin Wan Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index ab95beac63070..ea92edcc04320 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -870,11 +870,11 @@ static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v uint32_t timeout = 50000; uint32_t i, tmp; uint32_t ret = 0; - static void *scratch_reg0; - static void *scratch_reg1; - static void *scratch_reg2; - static void *scratch_reg3; - static void *spare_int; + void *scratch_reg0; + void *scratch_reg1; + void *scratch_reg2; + void *scratch_reg3; + void *spare_int; if (!adev->gfx.rlc.rlcg_reg_access_supported) { dev_err(adev->dev,