From d26696283d494822f2df72a6b94d51e70f91c4d9 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Wed, 2 May 2018 19:48:37 -0400 Subject: ac/gpu_info: add has_sparse_vm_mappings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reviewed-by: Nicolai Hähnle --- src/amd/common/ac_gpu_info.c | 8 ++++++++ src/amd/common/ac_gpu_info.h | 1 + 2 files changed, 9 insertions(+) (limited to 'src/amd') diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c index 0451b8fb987..7e40ffcf3e7 100644 --- a/src/amd/common/ac_gpu_info.c +++ b/src/amd/common/ac_gpu_info.c @@ -330,6 +330,13 @@ bool ac_query_gpu_info(int fd, amdgpu_device_handle dev, info->has_indirect_compute_dispatch = true; /* SI doesn't support unaligned loads. */ info->has_unaligned_shader_loads = info->chip_class != SI; + /* Disable sparse mappings on SI due to VM faults in CP DMA. Enable them once + * these faults are mitigated in software. + * Disable sparse mappings on GFX9 due to hangs. + */ + info->has_sparse_vm_mappings = + info->chip_class >= CIK && info->chip_class <= VI && + info->drm_minor >= 13; info->num_render_backends = amdinfo->rb_pipes; /* The value returned by the kernel driver was wrong. */ @@ -488,6 +495,7 @@ void ac_print_gpu_info(struct radeon_info *info) printf(" kernel_flushes_tc_l2_after_ib = %u\n", info->kernel_flushes_tc_l2_after_ib); printf(" has_indirect_compute_dispatch = %u\n", info->has_indirect_compute_dispatch); printf(" has_unaligned_shader_loads = %u\n", info->has_unaligned_shader_loads); + printf(" has_sparse_vm_mappings = %u\n", info->has_sparse_vm_mappings); printf("Shader core info:\n"); printf(" max_shader_clock = %i\n", info->max_shader_clock); diff --git a/src/amd/common/ac_gpu_info.h b/src/amd/common/ac_gpu_info.h index e95dcbd906c..7caa6543695 100644 --- a/src/amd/common/ac_gpu_info.h +++ b/src/amd/common/ac_gpu_info.h @@ -107,6 +107,7 @@ struct radeon_info { bool kernel_flushes_tc_l2_after_ib; bool has_indirect_compute_dispatch; bool has_unaligned_shader_loads; + bool has_sparse_vm_mappings; /* Shader cores. */ uint32_t r600_max_quad_pipes; /* wave size / 16 */ -- cgit v1.2.3