Reviewed-by: Marek Olšák
Marek
On Tue, Apr 10, 2018 at 8:10 PM, Bas Nieuwenhuizen
wrote:
> 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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