gallium/radeon: move radeon_winsys::cs_memory_below_limit to drivers

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

1 files changed, 26 insertions, 3 deletions

diff --git a/src/gallium/drivers/radeon/r600_cs.h b/src/gallium/drivers/radeon/r600_cs.h
index 988774a..e97769b 100644
--- a/src/gallium/drivers/radeon/r600_cs.h
+++ b/src/gallium/drivers/radeon/r600_cs.h
@@ -34,6 +34,29 @@
 #include "r600d_common.h"
 
 /**
+ * Return true if there is enough memory in VRAM and GTT for the buffers
+ * added so far.
+ *
+ * \param vram      VRAM memory size not added to the buffer list yet
+ * \param gtt       GTT memory size not added to the buffer list yet
+ */
+static inline bool
+radeon_cs_memory_below_limit(struct r600_common_screen *screen,
+			     struct radeon_winsys_cs *cs,
+			     uint64_t vram, uint64_t gtt)
+{
+	vram += cs->used_vram;
+	gtt += cs->used_gart;
+
+	/* Anything that goes above the VRAM size should go to GTT. */
+	if (vram > screen->info.vram_size)
+		gtt += vram - screen->info.vram_size;
+
+	/* Now we just need to check if we have enough GTT. */
+	return gtt < screen->info.gart_size * 0.7;
+}
+
+/**
  * Add a buffer to the buffer list for the given command stream (CS).
  *
  * All buffers used by a CS must be added to the list. This tells the kernel
@@ -80,9 +103,9 @@ radeon_add_to_buffer_list_check_mem(struct r600_common_context *rctx,
 				    bool check_mem)
 {
 	if (check_mem &&
-	    !rctx->ws->cs_memory_below_limit(ring->cs,
-					     rctx->vram + rbo->vram_usage,
-					     rctx->gtt + rbo->gart_usage))
+	    !radeon_cs_memory_below_limit(rctx->screen, ring->cs,
+					  rctx->vram + rbo->vram_usage,
+					  rctx->gtt + rbo->gart_usage))
 		ring->flush(rctx, RADEON_FLUSH_ASYNC, NULL);
 
 	return radeon_add_to_buffer_list(rctx, ring, rbo, usage, priority);