diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c index 7377513050e6..a06b0100af96 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c @@ -282,14 +282,14 @@ (((uint64_t)(base) & \ 0xFFFFFF0000000000UL) | 0xFFFFFFFFFFL) -#define MAKE_SCRATCH_APP_BASE(gpu_num) \ - (((uint64_t)(gpu_num) << 61) + 0x100000000L) +#define MAKE_SCRATCH_APP_BASE() \ + (((uint64_t)(0x1UL) << 61) + 0x100000000L) #define MAKE_SCRATCH_APP_LIMIT(base) \ (((uint64_t)base & 0xFFFFFFFF00000000UL) | 0xFFFFFFFF) -#define MAKE_LDS_APP_BASE(gpu_num) \ - (((uint64_t)(gpu_num) << 61) + 0x0) +#define MAKE_LDS_APP_BASE() \ + (((uint64_t)(0x1UL) << 61) + 0x0) #define MAKE_LDS_APP_LIMIT(base) \ (((uint64_t)(base) & 0xFFFFFFFF00000000UL) | 0xFFFFFFFF) @@ -314,7 +314,7 @@ int kfd_init_apertures(struct kfd_process *process) return -1; } /* - * For 64 bit process aperture will be statically reserved in + * For 64 bit process apertures will be statically reserved in * the x86_64 non canonical process address space * amdkfd doesn't currently support apertures for 32 bit process */ @@ -323,12 +323,11 @@ int kfd_init_apertures(struct kfd_process *process) pdd->gpuvm_base = pdd->gpuvm_limit = 0; pdd->scratch_base = pdd->scratch_limit = 0; } else { - /* - * node id couldn't be 0 - the three MSB bits of - * aperture shoudn't be 0 + /* Same LDS and scratch apertures can be used + * on all GPUs. This allows using more dGPUs + * than placement options for apertures. */ - pdd->lds_base = MAKE_LDS_APP_BASE(id + 1); - + pdd->lds_base = MAKE_LDS_APP_BASE(); pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); pdd->gpuvm_base = MAKE_GPUVM_APP_BASE(id + 1); @@ -336,8 +335,7 @@ int kfd_init_apertures(struct kfd_process *process) pdd->gpuvm_limit = MAKE_GPUVM_APP_LIMIT(pdd->gpuvm_base); - pdd->scratch_base = MAKE_SCRATCH_APP_BASE(id + 1); - + pdd->scratch_base = MAKE_SCRATCH_APP_BASE(); pdd->scratch_limit = MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); } |