drm/radeon: add si tile mode array query v3
Allow userspace to query for the tile mode array so userspace can properly
compute surface pitch and alignment requirement depending on tiling.
v2: Make strict aliasing safer by casting to char when copying
v3: merge fix from Christian
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 394b20f..18904fb 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1483,6 +1483,7 @@
unsigned multi_gpu_tile_size;
unsigned tile_config;
+ uint32_t tile_mode_array[32];
};
union radeon_asic_config {