drm/amdgpu: Add H/W agnostic amdgpu <--> amdkfd interface
This patch adds an interface file between amdgpu and amdkfd. This
interface file is H/W agnostic, thus containing functions that
operate the same for any AMD APU/GPU H/W generation.
The functions in this interface mirror (some) of the functions in
radeon_kfd.c (the radeon<-->amdkfd interface file). The main functions
are:
- amdgpu_amdkfd_init - initialize the amdkfd module
- amdgpu_amdkfd_load_interface - load the H/W interface according to the
currently probed device
- amdgpu_amdkfd_device_probe - probe the device in amdkfd
- amdgpu_amdkfd_device_init - initialize the device in amdkfd
- amdgpu_amdkfd_interrupt - call the ISR of amdkfd
- amdgpu_amdkfd_suspend - suspend callback from amdgpu
- amdgpu_amdkfd_resume - resume callback from amdgpu
This patch also modifies the relevant amdgpu files, to use this new
interface.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 5533434..8c40a96 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -34,6 +34,7 @@
#include <linux/vga_switcheroo.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
+#include "amdgpu_amdkfd.h"
#if defined(CONFIG_VGA_SWITCHEROO)
bool amdgpu_has_atpx(void);
@@ -61,6 +62,8 @@
pm_runtime_get_sync(dev->dev);
+ amdgpu_amdkfd_device_fini(adev);
+
amdgpu_acpi_fini(adev);
amdgpu_device_fini(adev);
@@ -118,6 +121,10 @@
"Error during ACPI methods call\n");
}
+ amdgpu_amdkfd_load_interface(adev);
+ amdgpu_amdkfd_device_probe(adev);
+ amdgpu_amdkfd_device_init(adev);
+
if (amdgpu_device_is_px(dev)) {
pm_runtime_use_autosuspend(dev->dev);
pm_runtime_set_autosuspend_delay(dev->dev, 5000);