From: Samuel Pitoiset Date: Mon, 1 Jul 2019 14:30:55 +0000 (+0200) Subject: ac: compute the size of one DCC slice on GFX8 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6517d226acc8f07db7d730c727758e3a0f1e7cf8;p=mesa.git ac: compute the size of one DCC slice on GFX8 Addrlib doesn't provide this info. Because DCC is linear, at least on GFX8, it's easy to compute the size of one slice. Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- diff --git a/src/amd/common/ac_surface.c b/src/amd/common/ac_surface.c index f8b9d2b70f8..9e45bd44b72 100644 --- a/src/amd/common/ac_surface.c +++ b/src/amd/common/ac_surface.c @@ -302,6 +302,12 @@ static int gfx6_compute_level(ADDR_HANDLE addrlib, surf_level->dcc_fast_clear_size = AddrDccOut->dccFastClearSize; else surf_level->dcc_fast_clear_size = 0; + + /* Compute the DCC slice size because addrlib doesn't + * provide this info. As DCC memory is linear (each + * slice is the same size) it's easy to compute. + */ + surf->dcc_slice_size = AddrDccOut->dccRamSize / config->info.array_size; } } diff --git a/src/amd/common/ac_surface.h b/src/amd/common/ac_surface.h index 31623634936..8143c9f9a0e 100644 --- a/src/amd/common/ac_surface.h +++ b/src/amd/common/ac_surface.h @@ -212,6 +212,7 @@ struct radeon_surf { /* DCC and HTILE are very small. */ uint32_t dcc_size; + uint32_t dcc_slice_size; uint32_t dcc_alignment; uint32_t htile_size;