ac: add radeon_info::all_vram_visible for Smart Access Memory

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7951>

diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index 8eab2c7..1ea04ab 100644 (file)
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -503,6 +503,9 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
       info->vram_vis_size = vram_vis.heap_size;
    }
 
+   /* Add some margin of error, though this shouldn't be needed in theory. */
+   info->all_vram_visible = info->vram_size * 0.9 < info->vram_vis_size;
+
    /* Set chip identification. */
    info->pci_id = amdinfo->asic_id; /* TODO: is this correct? */
    info->pci_rev_id = amdinfo->pci_rev_id;
@@ -1044,6 +1047,7 @@ void ac_print_gpu_info(struct radeon_info *info, FILE *f)
    fprintf(f, "    min_alloc_size = %u\n", info->min_alloc_size);
    fprintf(f, "    address32_hi = %u\n", info->address32_hi);
    fprintf(f, "    has_dedicated_vram = %u\n", info->has_dedicated_vram);
+   fprintf(f, "    all_vram_visible = %u\n", info->all_vram_visible);
    fprintf(f, "    num_sdp_interfaces = %u\n", info->num_sdp_interfaces);
    fprintf(f, "    num_tcc_blocks = %i\n", info->num_tcc_blocks);
    fprintf(f, "    tcc_cache_line_size = %u\n", info->tcc_cache_line_size);

diff --git a/src/amd/common/ac_gpu_info.h b/src/amd/common/ac_gpu_info.h
index 86119d6..0904f12 100644 (file)
--- a/src/amd/common/ac_gpu_info.h
+++ b/src/amd/common/ac_gpu_info.h
@@ -98,6 +98,7 @@ struct radeon_info {
    uint32_t min_alloc_size;
    uint32_t address32_hi;
    bool has_dedicated_vram;
+   bool all_vram_visible;
    bool has_l2_uncached;
    bool r600_has_virtual_memory;
    uint32_t num_sdp_interfaces;