diff options
Diffstat (limited to 'src/gallium/winsys/amdgpu')
| -rw-r--r-- | src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c index 6511c4855d8..da9371deea0 100644 --- a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c +++ b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c @@ -331,8 +331,10 @@ static bool do_winsys_init(struct amdgpu_winsys *ws, int fd) ws->info.gart_size = gtt.heap_size; ws->info.vram_size = vram.heap_size; ws->info.vram_vis_size = vram_vis.heap_size; - /* The kernel can split large buffers, so we can do large allocations. */ - ws->info.max_alloc_size = MAX2(ws->info.vram_size, ws->info.gart_size) * 0.9; + /* The kernel can split large buffers in VRAM but not in GTT, so large + * allocations can fail or cause buffer movement failures in the kernel. + */ + ws->info.max_alloc_size = MIN2(ws->info.vram_size * 0.9, ws->info.gart_size * 0.7); /* convert the shader clock from KHz to MHz */ ws->info.max_shader_clock = ws->amdinfo.max_engine_clk / 1000; ws->info.max_se = ws->amdinfo.num_shader_engines; |