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authorFelix Kuehling <Felix.Kuehling@amd.com>2017-07-28 16:54:54 -0400
committerAlex Deucher <alexander.deucher@amd.com>2017-08-15 14:46:02 -0400
commit5c33f214db87b3095062a2c3e6e9f106c5ba2932 (patch)
tree0ff374c8ba68a5fcf46b6010f41805da1cd57743
parentb59eb8984f3080c01b2022772005874446d29646 (diff)
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>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c37
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c1
3 files changed, 18 insertions, 22 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 3d96bd7371e8..c7bcf5207d79 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -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**);
@@ -61,8 +60,21 @@ int amdgpu_amdkfd_init(void)
return ret;
}
-bool amdgpu_amdkfd_load_interface(struct amdgpu_device *adev)
+void amdgpu_amdkfd_fini(void)
+{
+ if (kgd2kfd) {
+ kgd2kfd->exit();
+ symbol_put(kgd2kfd_init);
+ }
+}
+
+void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
{
+ const struct kfd2kgd_calls *kfd2kgd;
+
+ if (!kgd2kfd)
+ return;
+
switch (adev->asic_type) {
#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_KAVERI:
@@ -73,25 +85,12 @@ bool amdgpu_amdkfd_load_interface(struct amdgpu_device *adev)
kfd2kgd = amdgpu_amdkfd_gfx_8_0_get_functions();
break;
default:
- return false;
+ dev_info(adev->dev, "kfd not supported on this ASIC\n");
+ return;
}
- return true;
-}
-
-void amdgpu_amdkfd_fini(void)
-{
- if (kgd2kfd) {
- kgd2kfd->exit();
- symbol_put(kgd2kfd_init);
- }
-}
-
-void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
-{
- if (kgd2kfd)
- adev->kfd = kgd2kfd->probe((struct kgd_dev *)adev,
- adev->pdev, kfd2kgd);
+ adev->kfd = kgd2kfd->probe((struct kgd_dev *)adev,
+ adev->pdev, kfd2kgd);
}
void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 73f83a10ae14..b8802a561cbd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -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,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 09f833255ba1..c908f972283c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -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);