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drm/amd: Update MEC HQD loading code for KFD

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Various bug fixes and improvements that accumulated over the last two
years.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Felix Kuehling
2017-08-15 23:00:17 -04:00
committed by Oded Gabbay
parent c2cade3dd1
commit 70539bd795
11 changed files with 322 additions and 69 deletions
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16
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
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@@ -26,6 +26,7 @@
#define AMDGPU_AMDKFD_H_INCLUDED
#include <linux/types.h>
#include <linux/mmu_context.h>
#include <kgd_kfd_interface.h>
struct amdgpu_device;
@@ -60,4 +61,19 @@ uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
#define read_user_wptr(mmptr, wptr, dst) \
({ \
bool valid = false; \
if ((mmptr) && (wptr)) { \
if ((mmptr) == current->mm) { \
valid = !get_user((dst), (wptr)); \
} else if (current->mm == NULL) { \
use_mm(mmptr); \
valid = !get_user((dst), (wptr)); \
unuse_mm(mmptr); \
} \
} \
valid; \
})
#endif /* AMDGPU_AMDKFD_H_INCLUDED */