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drm/amdgpu: Fix KFD initialization for multi-GPU systems 

kfd2kgd is device-specific, so it should not be a global variable.
Merge amdgpu_amdkfd_load_interface and amdgpu_amdkfd_device_probe
so that it's only needed as a local variable in one function.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2017-07-28 16:54:54 -04:00 committed by Alex Deucher
parent b59eb8984f
commit 5c33f214db
3 changed files with 21 additions and 25 deletions
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43
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View File

@ -27,7 +27,6 @@
#include "amdgpu_gfx.h"
#include <linux/module.h>
const struct kfd2kgd_calls *kfd2kgd;
const struct kgd2kfd_calls *kgd2kfd;
bool (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
@ -61,24 +60,6 @@ int amdgpu_amdkfd_init(void)
return ret;
}
bool amdgpu_amdkfd_load_interface(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_KAVERI:
kfd2kgd = amdgpu_amdkfd_gfx_7_get_functions();
break;
#endif
case CHIP_CARRIZO:
kfd2kgd = amdgpu_amdkfd_gfx_8_0_get_functions();
break;
default:
return false;
}
return true;
}
void amdgpu_amdkfd_fini(void)
{
if (kgd2kfd) {
@ -89,9 +70,27 @@ void amdgpu_amdkfd_fini(void)
void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
{
if (kgd2kfd)
adev->kfd = kgd2kfd->probe((struct kgd_dev *)adev,
adev->pdev, kfd2kgd);
const struct kfd2kgd_calls *kfd2kgd;
if (!kgd2kfd)
return;
switch (adev->asic_type) {
#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_KAVERI:
kfd2kgd = amdgpu_amdkfd_gfx_7_get_functions();
break;
#endif
case CHIP_CARRIZO:
kfd2kgd = amdgpu_amdkfd_gfx_8_0_get_functions();
break;
default:
dev_info(adev->dev, "kfd not supported on this ASIC\n");
return;
}
adev->kfd = kgd2kfd->probe((struct kgd_dev *)adev,
adev->pdev, kfd2kgd);
}
void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)

2
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
View File

@ -39,8 +39,6 @@ struct kgd_mem {
int amdgpu_amdkfd_init(void);
void amdgpu_amdkfd_fini(void);
bool amdgpu_amdkfd_load_interface(struct amdgpu_device *adev);
void amdgpu_amdkfd_suspend(struct amdgpu_device *adev);
int amdgpu_amdkfd_resume(struct amdgpu_device *adev);
void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,

1
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
View File

@ -158,7 +158,6 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
"Error during ACPI methods call\n");
}
amdgpu_amdkfd_load_interface(adev);
amdgpu_amdkfd_device_probe(adev);
amdgpu_amdkfd_device_init(adev);