For dcn1 && < 64 bpp displayable surfaces, addrlib only accepts
S swizzles.
At the same time addrlib prefers D swizzles is allowed, so we can
just allow S swizzles as fallback.
Fixes: b64b712558 "ac/surface/gfx9: request desired micro tile mode explicitly"
---
src/amd/common/ac_surface.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/amd/common/ac_surface.c b/src/amd/common/ac_surface.c
index 1b4d72e31b..7558dd91e3 100644
--- a/src/amd/common/ac_surface.c
+++ b/src/amd/common/ac_surface.c
@@ -865,9 +865,12 @@ gfx9_get_preferred_swizzle_mode(ADDR_HANDLE addrlib,
sin.numSamples = in->numSamples;
sin.numFrags = in->numFrags;
- if (flags & RADEON_SURF_SCANOUT)
+ if (flags & RADEON_SURF_SCANOUT) {
sin.preferredSwSet.sw_D = 1;
- else if (in->flags.depth || in->flags.stencil || is_fmask)
+ /* Raven only allows S for displayable surfaces with < 64 bpp,
so
+ * allow it as fallback */
+ sin.preferredSwSet.sw_S = 1;
+ } else if (in->flags.depth || in->flags.stencil || is_fmask)
sin.preferredSwSet.sw_Z = 1;
else
sin.preferredSwSet.sw_S = 1;
--
2.17.0
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