[Mesa-dev] [PATCH] ac/surface: handle error when choosing preferred swizzle mode

[Nicolai Hähnle]

From: Nicolai Hähnle <nicolai.haeh...@amd.com>

CID: 1418140
Fixes: c4ac522511d2 ("ac/surface: handle S8 on gfx9")
---
 src/amd/common/ac_surface.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/amd/common/ac_surface.c b/src/amd/common/ac_surface.c
index 850d70715e5..22c653f0c4f 100644
--- a/src/amd/common/ac_surface.c
+++ b/src/amd/common/ac_surface.c
@@ -1134,24 +1134,26 @@ static int gfx9_compute_surface(ADDR_HANDLE addrlib,
        /* Calculate texture layout information. */
        r = gfx9_compute_miptree(addrlib, surf, compressed, &AddrSurfInfoIn);
        if (r)
                return r;
 
        /* Calculate texture layout information for stencil. */
        if (surf->flags & RADEON_SURF_SBUFFER) {
                AddrSurfInfoIn.flags.stencil = 1;
                AddrSurfInfoIn.bpp = 8;
 
-               if (!AddrSurfInfoIn.flags.depth)
+               if (!AddrSurfInfoIn.flags.depth) {
                        r = gfx9_get_preferred_swizzle_mode(addrlib, 
&AddrSurfInfoIn, false,
                                                            
&AddrSurfInfoIn.swizzleMode);
-               else
+                       if (r)
+                               return r;
+               } else
                        AddrSurfInfoIn.flags.depth = 0;
 
                r = gfx9_compute_miptree(addrlib, surf, compressed, 
&AddrSurfInfoIn);
                if (r)
                        return r;
        }
 
        surf->is_linear = surf->u.gfx9.surf.swizzle_mode == ADDR_SW_LINEAR;
 
        switch (surf->u.gfx9.surf.swizzle_mode) {
-- 
2.11.0

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