Mesa (main): intel/isl: add levels and minimum array element to null fill

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Module: Mesa
Branch: main
Commit: c25a5a832aa7ff8f2cadf846b0233da1aa881038
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c25a5a832aa7ff8f2cadf846b0233da1aa881038

Author: Dave Airlie <airlied at redhat.com>
Date:   Mon Jun  7 05:28:07 2021 +1000

intel/isl: add levels and minimum array element to null fill

gen4/5 needs these to avoid gpu hangs around matching depth/null
surfaces

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10655>

---

 src/intel/isl/isl.h               | 2 ++
 src/intel/isl/isl_surface_state.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index def32ece1f7..353ac7be266 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1522,6 +1522,8 @@ struct isl_depth_stencil_hiz_emit_info {
 
 struct isl_null_fill_state_info {
    struct isl_extent3d size;
+   uint32_t levels;
+   uint32_t minimum_array_element;
 };
 
 extern const struct isl_format_layout isl_format_layouts[];
diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
index 10c6d54a645..aafb12f8210 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -961,11 +961,13 @@ isl_genX(null_fill_state)(void *state,
        */
       .SurfaceVerticalAlignment = VALIGN_4,
 #endif
+      .MIPCountLOD = info->levels,
       .Width = info->size.width - 1,
       .Height = info->size.height - 1,
       .Depth = info->size.depth - 1,
       .RenderTargetViewExtent = info->size.depth - 1,
 #if GFX_VER <= 5
+      .MinimumArrayElement = info->minimum_array_element,
       .ColorBufferComponentWriteDisables = 0xf,
 #endif
    };