From 67aef6dafa29fed008ea6065c425a6a92a651be9 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sun, 9 Feb 2014 12:37:32 +0100 Subject: winsys/radeon: if there's VRAM-only usage, keep it --- src/gallium/winsys/radeon/drm/radeon_drm_cs.c | 40 +++++++++++++++++++-------- 1 file changed, 28 insertions(+), 12 deletions(-) (limited to 'src/gallium/winsys') diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c index ccba0c0b791..f6b9d6283f2 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c @@ -211,14 +211,30 @@ static struct radeon_winsys_cs *radeon_drm_cs_create(struct radeon_winsys *rws, #define OUT_CS(cs, value) (cs)->buf[(cs)->cdw++] = (value) static INLINE void update_reloc_domains(struct drm_radeon_cs_reloc *reloc, - enum radeon_bo_domain rd, - enum radeon_bo_domain wd, + enum radeon_bo_usage usage, + enum radeon_bo_domain new_domain, enum radeon_bo_domain *added_domains) { - *added_domains = (rd | wd) & ~(reloc->read_domains | reloc->write_domain); - - reloc->read_domains |= rd; - reloc->write_domain |= wd; + enum radeon_bo_domain current = reloc->read_domains | reloc->write_domain; + enum radeon_bo_domain final; + + /* If there is at least one command which wants the buffer to be in VRAM + * only, keep it in VRAM. */ + if ((current & new_domain) == RADEON_DOMAIN_VRAM) + final = RADEON_DOMAIN_VRAM; + else + final = current | new_domain; + + *added_domains = final & ~current; + + /* If we have at least one write usage... */ + if (usage & RADEON_USAGE_WRITE || reloc->write_domain) { + reloc->write_domain = final; + reloc->read_domains = 0; + } else { + /* write_domain is zero */ + reloc->read_domains = final; + } } int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo) @@ -267,8 +283,6 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs, struct radeon_cs_context *csc = cs->csc; struct drm_radeon_cs_reloc *reloc; unsigned hash = bo->handle & (sizeof(csc->is_handle_added)-1); - enum radeon_bo_domain rd = usage & RADEON_USAGE_READ ? domains : 0; - enum radeon_bo_domain wd = usage & RADEON_USAGE_WRITE ? domains : 0; bool update_hash = TRUE; int i; @@ -298,7 +312,7 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs, * update the cmd stream with proper buffer offset). */ update_hash = FALSE; - update_reloc_domains(reloc, rd, wd, added_domains); + update_reloc_domains(reloc, usage, domains, added_domains); if (cs->base.ring_type != RING_DMA) { csc->reloc_indices_hashlist[hash] = i; return i; @@ -326,8 +340,10 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs, p_atomic_inc(&bo->num_cs_references); reloc = &csc->relocs[csc->crelocs]; reloc->handle = bo->handle; - reloc->read_domains = rd; - reloc->write_domain = wd; + if (usage & RADEON_USAGE_WRITE) + reloc->write_domain = domains; + else + reloc->read_domains = domains; reloc->flags = 0; csc->is_handle_added[hash] = TRUE; @@ -337,7 +353,7 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs, csc->chunks[1].length_dw += RELOC_DWORDS; - *added_domains = rd | wd; + *added_domains = domains; return csc->crelocs++; } -- cgit v1.2.3