r600g: remove reloc-related variables from radeon_bo

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/src/gallium/winsys/r600/drm/evergreen_hw_context.c b/src/gallium/winsys/r600/drm/evergreen_hw_context.c
index 3f6f8b5..cd63c8d 100644
--- a/src/gallium/winsys/r600/drm/evergreen_hw_context.c
+++ b/src/gallium/winsys/r600/drm/evergreen_hw_context.c
@@ -1192,8 +1192,7 @@
 		pm4[7] = draw->vgt_num_indices;
 		pm4[8] = draw->vgt_draw_initiator;
 		pm4[9] = PKT3(PKT3_NOP, 0, ctx->predicate_drawing);
-		pm4[10] = 0;
-		r600_context_bo_reloc(ctx, &pm4[10], draw->indices);
+		pm4[10] = r600_context_bo_reloc(ctx, draw->indices);
 	} else {
 		pm4[4] = PKT3(PKT3_DRAW_INDEX_AUTO, 1, ctx->predicate_drawing);
 		pm4[5] = draw->vgt_num_indices;
diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c
index bba55d6..5dd079f 100644
--- a/src/gallium/winsys/r600/drm/r600_hw_context.c
+++ b/src/gallium/winsys/r600/drm/r600_hw_context.c
@@ -86,8 +86,7 @@
 		ctx->pm4[ctx->pm4_cdwords++] = 0;
 
 		ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, 0);
-		ctx->pm4[ctx->pm4_cdwords++] = 0;
-		r600_context_bo_reloc(ctx, &ctx->pm4[ctx->pm4_cdwords - 1], buffer);
+		ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, buffer);
 
 		/* execute */
 		r600_context_flush(ctx);
@@ -997,25 +996,11 @@
 		ctx->pm4[ctx->pm4_cdwords++] = 0x00000000;
 		ctx->pm4[ctx->pm4_cdwords++] = 0x0000000A;
 		ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, ctx->predicate_drawing);
-		ctx->pm4[ctx->pm4_cdwords++] = bo->reloc_id;
+		ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, rbo);
 	}
 	bo->last_flush = (bo->last_flush | flush_flags) & flush_mask;
 }
 
-void r600_context_get_reloc(struct r600_context *ctx, struct r600_bo *rbo)
-{
-	struct radeon_bo *bo = rbo->bo;
-
-	unsigned reloc_index = ctx->radeon->ws->trans_add_reloc(ctx->cs, bo->cs_buf,
-								rbo->domains & (RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM),
-								rbo->domains & (RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM),
-								(void**)&ctx->reloc, &ctx->creloc);
-
-	bo->reloc = (void*)1;
-	bo->reloc_id = reloc_index * 4;
-	radeon_bo_reference(ctx->radeon, &ctx->bo[reloc_index], bo);
-}
-
 void r600_context_reg(struct r600_context *ctx,
 		      unsigned offset, unsigned value,
 		      unsigned mask)
@@ -1321,9 +1306,8 @@
 			if (block->pm4_bo_index[j]) {
 				/* find relocation */
 				id = block->pm4_bo_index[j];
-				r600_context_bo_reloc(ctx,
-						      &block->pm4[block->reloc[id].bo_pm4_index],
-						      block->reloc[id].bo);
+				block->pm4[block->reloc[id].bo_pm4_index] =
+					r600_context_bo_reloc(ctx, block->reloc[id].bo);
 				r600_context_bo_flush(ctx,
 						      block->reloc[id].flush_flags,
 						      block->reloc[id].flush_mask,
@@ -1376,9 +1360,8 @@
 		if (block->pm4_bo_index[j]) {
 			/* find relocation */
 			id = block->pm4_bo_index[j];
-			r600_context_bo_reloc(ctx,
-					      &block->pm4[block->reloc[id].bo_pm4_index],
-					      block->reloc[id].bo);
+			block->pm4[block->reloc[id].bo_pm4_index] =
+				r600_context_bo_reloc(ctx, block->reloc[id].bo);
 			r600_context_bo_flush(ctx,
 					      block->reloc[id].flush_flags,
 					      block->reloc[id].flush_mask,
@@ -1493,8 +1476,7 @@
 		pm4[7] = draw->vgt_num_indices;
 		pm4[8] = draw->vgt_draw_initiator;
 		pm4[9] = PKT3(PKT3_NOP, 0, ctx->predicate_drawing);
-		pm4[10] = 0;
-		r600_context_bo_reloc(ctx, &pm4[10], draw->indices);
+		pm4[10] = r600_context_bo_reloc(ctx, draw->indices);
 	} else {
 		pm4[4] = PKT3(PKT3_DRAW_INDEX_AUTO, 1, ctx->predicate_drawing);
 		pm4[5] = draw->vgt_num_indices;
@@ -1555,7 +1537,6 @@
 
 	/* restart */
 	for (int i = 0; i < ctx->creloc; i++) {
-		ctx->bo[i]->reloc = NULL;
 		ctx->bo[i]->last_flush = 0;
 		radeon_bo_reference(ctx->radeon, &ctx->bo[i], NULL);
 	}
@@ -1609,8 +1590,7 @@
 	ctx->pm4[ctx->pm4_cdwords++] = value;                   /* DATA_LO */
 	ctx->pm4[ctx->pm4_cdwords++] = 0;                       /* DATA_HI */
 	ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, 0);
-	ctx->pm4[ctx->pm4_cdwords++] = 0;
-	r600_context_bo_reloc(ctx, &ctx->pm4[ctx->pm4_cdwords - 1], fence_bo);
+	ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, fence_bo);
 }
 
 static boolean r600_query_result(struct r600_context *ctx, struct r600_query *query, boolean wait)
@@ -1721,8 +1701,7 @@
 		ctx->pm4[ctx->pm4_cdwords++] = 0;
 	}
 	ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, 0);
-	ctx->pm4[ctx->pm4_cdwords++] = 0;
-	r600_context_bo_reloc(ctx, &ctx->pm4[ctx->pm4_cdwords - 1], query->buffer);
+	ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, query->buffer);
 
 	query->state |= R600_QUERY_STATE_STARTED;
 	query->state ^= R600_QUERY_STATE_ENDED;
@@ -1746,8 +1725,7 @@
 		ctx->pm4[ctx->pm4_cdwords++] = 0;
 	}
 	ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, 0);
-	ctx->pm4[ctx->pm4_cdwords++] = 0;
-	r600_context_bo_reloc(ctx, &ctx->pm4[ctx->pm4_cdwords - 1], query->buffer);
+	ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, query->buffer);
 
 	query->results_end += query->result_size;
 	if (query->results_end >= query->buffer_size)
@@ -1792,8 +1770,7 @@
 			ctx->pm4[ctx->pm4_cdwords++] = results_base;
 			ctx->pm4[ctx->pm4_cdwords++] = op;
 			ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_NOP, 0, 0);
-			ctx->pm4[ctx->pm4_cdwords++] = 0;
-			r600_context_bo_reloc(ctx, &ctx->pm4[ctx->pm4_cdwords - 1], query->buffer);
+			ctx->pm4[ctx->pm4_cdwords++] = r600_context_bo_reloc(ctx, query->buffer);
 			results_base += query->result_size;
 			if (results_base >= query->buffer_size)
 				results_base = 0;
diff --git a/src/gallium/winsys/r600/drm/r600_priv.h b/src/gallium/winsys/r600/drm/r600_priv.h
index baf7c98..930cf81 100644
--- a/src/gallium/winsys/r600/drm/r600_priv.h
+++ b/src/gallium/winsys/r600/drm/r600_priv.h
@@ -30,6 +30,7 @@
 #include "../../radeon/drm/radeon_winsys.h"
 #include "util/u_hash_table.h"
 #include "os/os_thread.h"
+#include "radeon_drm.h"
 
 #define PKT_COUNT_C                     0xC000FFFF
 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
@@ -71,8 +72,6 @@
 	int				map_count;
 	void				*data;
 
-	struct r600_reloc		*reloc;
-	unsigned			reloc_id;
 	unsigned			last_flush;
 	unsigned                        binding;
 };
@@ -111,7 +110,6 @@
  * r600_hw_context.c
  */
 int r600_context_init_fence(struct r600_context *ctx);
-void r600_context_get_reloc(struct r600_context *ctx, struct r600_bo *rbo);
 void r600_context_bo_flush(struct r600_context *ctx, unsigned flush_flags,
 				unsigned flush_mask, struct r600_bo *rbo);
 struct r600_bo *r600_context_reg_bo(struct r600_context *ctx, unsigned offset);
@@ -129,17 +127,21 @@
 void r600_init_cs(struct r600_context *ctx);
 int r600_resource_init(struct r600_context *ctx, struct r600_range *range, unsigned offset, unsigned nblocks, unsigned stride, struct r600_reg *reg, int nreg, unsigned offset_base);
 
-static INLINE void r600_context_bo_reloc(struct r600_context *ctx, u32 *pm4, struct r600_bo *rbo)
+static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_bo *rbo)
 {
 	struct radeon_bo *bo = rbo->bo;
+	unsigned reloc_index;
 
 	assert(bo != NULL);
 
-	if (!bo->reloc)
-		r600_context_get_reloc(ctx, rbo);
+	reloc_index = ctx->radeon->ws->trans_add_reloc(
+				ctx->cs, bo->cs_buf,
+				rbo->domains & (RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM),
+				rbo->domains & (RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM),
+				(void**)&ctx->reloc, &ctx->creloc);
 
-	/* set PKT3 to point to proper reloc */
-	*pm4 = bo->reloc_id;
+	radeon_bo_reference(ctx->radeon, &ctx->bo[reloc_index], bo);
+	return reloc_index * 4;
 }
 
 /*