From: Marek Olšák Date: Tue, 12 Feb 2019 20:23:01 +0000 (-0500) Subject: radeonsi: add helper si_get_minimum_num_gfx_cs_dwords X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=09bb8c85577e761062ff8c85847bf49bad4ea86f;p=mesa.git radeonsi: add helper si_get_minimum_num_gfx_cs_dwords Tested-by: Dieter Nützel Acked-by: Nicolai Hähnle --- diff --git a/src/gallium/drivers/radeonsi/si_gfx_cs.c b/src/gallium/drivers/radeonsi/si_gfx_cs.c index 922fc560d74..39184e0e9da 100644 --- a/src/gallium/drivers/radeonsi/si_gfx_cs.c +++ b/src/gallium/drivers/radeonsi/si_gfx_cs.c @@ -54,13 +54,7 @@ void si_need_gfx_cs_space(struct si_context *ctx) ctx->gtt = 0; ctx->vram = 0; - /* If the IB is sufficiently large, don't count the space needed - * and just flush if there is not enough space left. - * - * Also reserve space for stopping queries at the end of IB, because - * the number of active queries is mostly unlimited. - */ - unsigned need_dwords = 2048 + ctx->num_cs_dw_queries_suspend; + unsigned need_dwords = si_get_minimum_num_gfx_cs_dwords(ctx); if (!ctx->ws->cs_check_space(cs, need_dwords)) si_flush_gfx_cs(ctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL); } diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h index e45ef62ecfe..26b12a8a674 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.h +++ b/src/gallium/drivers/radeonsi/si_pipe.h @@ -1434,6 +1434,17 @@ si_tile_mode_index(struct si_texture *tex, unsigned level, bool stencil) return tex->surface.u.legacy.tiling_index[level]; } +static inline unsigned +si_get_minimum_num_gfx_cs_dwords(struct si_context *sctx) +{ + /* Don't count the needed CS space exactly and just use an upper bound. + * + * Also reserve space for stopping queries at the end of IB, because + * the number of active queries is unlimited in theory. + */ + return 2048 + sctx->num_cs_dw_queries_suspend; +} + static inline void si_context_add_resource_size(struct si_context *sctx, struct pipe_resource *r) {