[Mesa-stable] [PATCH] winsys/amdgpu: disallow DCC with mipmaps

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

It has never been implemented. master will get a different fix.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96381

Cc: 11.1 11.2 12.0 <mesa-stable at lists.freedesktop.org>
---
 src/gallium/winsys/amdgpu/drm/amdgpu_surface.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c b/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c
index d68c688..c17a37f 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c
@@ -343,7 +343,8 @@ static int amdgpu_surface_init(struct radeon_winsys *rws,
    AddrSurfInfoIn.flags.degrade4Space = 1;
    AddrSurfInfoIn.flags.dccCompatible = !(surf->flags & RADEON_SURF_Z_OR_SBUFFER) &&
                                         !(surf->flags & RADEON_SURF_SCANOUT) &&
-                                        !compressed && AddrDccIn.numSamples <= 1;
+                                        !compressed && AddrDccIn.numSamples <= 1 &&
+                                        surf->last_level == 0;
 
    AddrSurfInfoIn.flags.noStencil = (surf->flags & RADEON_SURF_SBUFFER) == 0;
    AddrSurfInfoIn.flags.compressZ = AddrSurfInfoIn.flags.depth;
-- 
2.7.4