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ac/gpu_info: add detection of TMZ support 

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6049>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2020-07-27 19:27:53 +02:00 committed by Marge Bot
parent 846e393142
commit f5ec617677
2 changed files with 38 additions and 0 deletions
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37
src/amd/common/ac_gpu_info.c
View File

@ -140,6 +140,41 @@ static uint32_t get_l2_cache_size(enum radeon_family family)
}
}
static bool
has_tmz_support(amdgpu_device_handle dev,
struct radeon_info *info,
struct amdgpu_gpu_info *amdinfo)
{
struct amdgpu_bo_alloc_request request = {0};
int r;
amdgpu_bo_handle bo;
if (amdinfo->ids_flags & AMDGPU_IDS_FLAGS_TMZ)
return true;
/* AMDGPU_IDS_FLAGS_TMZ is supported starting from drm_minor 40 */
if (info->drm_minor >= 40)
return false;
/* Find out ourselves if TMZ is enabled */
if (info->chip_class < GFX9)
return false;
if (info->drm_minor < 36)
return false;
request.alloc_size = 256;
request.phys_alignment = 1024;
request.preferred_heap = AMDGPU_GEM_DOMAIN_VRAM;
request.flags = AMDGPU_GEM_CREATE_ENCRYPTED;
r = amdgpu_bo_alloc(dev, &request, &bo);
if (r)
return false;
amdgpu_bo_free(bo);
return true;
}
bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
struct amdgpu_gpu_info *amdinfo)
{
@ -499,6 +534,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
info->has_read_registers_query = true;
info->has_scheduled_fence_dependency = info->drm_minor >= 28;
info->mid_command_buffer_preemption_enabled = amdinfo->ids_flags & AMDGPU_IDS_FLAGS_PREEMPTION;
info->has_tmz_support = has_tmz_support(dev, info, amdinfo);
info->pa_sc_tile_steering_override = device_info.pa_sc_tile_steering_override;
info->num_render_backends = amdinfo->rb_pipes;
@ -920,6 +956,7 @@ void ac_print_gpu_info(struct radeon_info *info)
printf(" has_scheduled_fence_dependency = %u\n", info->has_scheduled_fence_dependency);
printf(" mid_command_buffer_preemption_enabled = %u\n",
info->mid_command_buffer_preemption_enabled);
printf(" has_tmz_support = %u\n", info->has_tmz_support);
printf("Shader core info:\n");
printf(" max_shader_clock = %i\n", info->max_shader_clock);

1
src/amd/common/ac_gpu_info.h
View File

@ -156,6 +156,7 @@ struct radeon_info {
bool has_scheduled_fence_dependency;
/* Whether SR-IOV is enabled or amdgpu.mcbp=1 was set on the kernel command line. */
bool mid_command_buffer_preemption_enabled;
bool has_tmz_support;
/* Shader cores. */
uint32_t cu_mask[4][2];