gallium/radeon: stop using "reloc" in a few places

Reviewed-by: Michel Dänzer <[email protected]>

12 files changed, 81 insertions, 82 deletions

diff --git a/src/gallium/drivers/r300/r300_cs.h b/src/gallium/drivers/r300/r300_cs.h
index fc150542d4b..a2d042ca48e 100644
--- a/src/gallium/drivers/r300/r300_cs.h
+++ b/src/gallium/drivers/r300/r300_cs.h
@@ -103,14 +103,14 @@
 
 
 /**
- * Writing relocations.
+ * Writing buffers.
  */
 
 #define OUT_CS_RELOC(r) do { \
     assert((r)); \
     assert((r)->cs_buf); \
     OUT_CS(0xc0001000); /* PKT3_NOP */ \
-    OUT_CS(cs_winsys->cs_get_reloc(cs_copy, (r)->cs_buf) * 4); \
+    OUT_CS(cs_winsys->cs_lookup_buffer(cs_copy, (r)->cs_buf) * 4); \
 } while (0)
 
 
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index ecc4307a670..7610c3ddf5b 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -1049,7 +1049,7 @@ void r300_emit_vertex_arrays_swtcl(struct r300_context *r300, boolean indexed)
 
     assert(r300->vbo_cs);
     OUT_CS(0xc0001000); /* PKT3_NOP */
-    OUT_CS(r300->rws->cs_get_reloc(r300->cs, r300->vbo_cs) * 4);
+    OUT_CS(r300->rws->cs_lookup_buffer(r300->cs, r300->vbo_cs) * 4);
     END_CS;
 }
 
@@ -1320,7 +1320,7 @@ validate:
                 continue;
             tex = r300_resource(fb->cbufs[i]->texture);
             assert(tex && tex->buf && "cbuf is marked, but NULL!");
-            r300->rws->cs_add_reloc(r300->cs, tex->cs_buf,
+            r300->rws->cs_add_buffer(r300->cs, tex->cs_buf,
                                     RADEON_USAGE_READWRITE,
                                     r300_surface(fb->cbufs[i])->domain,
                                     tex->b.b.nr_samples > 1 ?
@@ -1331,7 +1331,7 @@ validate:
         if (fb->zsbuf) {
             tex = r300_resource(fb->zsbuf->texture);
             assert(tex && tex->buf && "zsbuf is marked, but NULL!");
-            r300->rws->cs_add_reloc(r300->cs, tex->cs_buf,
+            r300->rws->cs_add_buffer(r300->cs, tex->cs_buf,
                                     RADEON_USAGE_READWRITE,
                                     r300_surface(fb->zsbuf)->domain,
                                     tex->b.b.nr_samples > 1 ?
@@ -1342,7 +1342,7 @@ validate:
     /* The AA resolve buffer. */
     if (r300->aa_state.dirty) {
         if (aa->dest) {
-            r300->rws->cs_add_reloc(r300->cs, aa->dest->cs_buf,
+            r300->rws->cs_add_buffer(r300->cs, aa->dest->cs_buf,
                                     RADEON_USAGE_WRITE,
                                     aa->dest->domain,
                                     RADEON_PRIO_COLOR_BUFFER);
@@ -1356,18 +1356,18 @@ validate:
             }
 
             tex = r300_resource(texstate->sampler_views[i]->base.texture);
-            r300->rws->cs_add_reloc(r300->cs, tex->cs_buf, RADEON_USAGE_READ,
+            r300->rws->cs_add_buffer(r300->cs, tex->cs_buf, RADEON_USAGE_READ,
                                     tex->domain, RADEON_PRIO_SAMPLER_TEXTURE);
         }
     }
     /* ...occlusion query buffer... */
     if (r300->query_current)
-        r300->rws->cs_add_reloc(r300->cs, r300->query_current->cs_buf,
+        r300->rws->cs_add_buffer(r300->cs, r300->query_current->cs_buf,
                                 RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT,
                                 RADEON_PRIO_QUERY);
     /* ...vertex buffer for SWTCL path... */
     if (r300->vbo_cs)
-        r300->rws->cs_add_reloc(r300->cs, r300->vbo_cs,
+        r300->rws->cs_add_buffer(r300->cs, r300->vbo_cs,
                                 RADEON_USAGE_READ, RADEON_DOMAIN_GTT,
                                 RADEON_PRIO_VERTEX_BUFFER);
     /* ...vertex buffers for HWTCL path... */
@@ -1382,7 +1382,7 @@ validate:
             if (!buf)
                 continue;
 
-            r300->rws->cs_add_reloc(r300->cs, r300_resource(buf)->cs_buf,
+            r300->rws->cs_add_buffer(r300->cs, r300_resource(buf)->cs_buf,
                                     RADEON_USAGE_READ,
                                     r300_resource(buf)->domain,
                                     RADEON_PRIO_SAMPLER_BUFFER);
@@ -1390,7 +1390,7 @@ validate:
     }
     /* ...and index buffer for HWTCL path. */
     if (index_buffer)
-        r300->rws->cs_add_reloc(r300->cs, r300_resource(index_buffer)->cs_buf,
+        r300->rws->cs_add_buffer(r300->cs, r300_resource(index_buffer)->cs_buf,
                                 RADEON_USAGE_READ,
                                 r300_resource(index_buffer)->domain,
                                 RADEON_PRIO_INDEX_BUFFER);
diff --git a/src/gallium/drivers/radeon/r600_cs.h b/src/gallium/drivers/radeon/r600_cs.h
index fa40dc42a31..b5a1dafb273 100644
--- a/src/gallium/drivers/radeon/r600_cs.h
+++ b/src/gallium/drivers/radeon/r600_cs.h
@@ -65,7 +65,7 @@ static inline unsigned radeon_add_to_buffer_list(struct r600_common_context *rct
 			rctx->rings.gfx.flush(rctx, RADEON_FLUSH_ASYNC, NULL);
 		}
 	}
-	return rctx->ws->cs_add_reloc(ring->cs, rbo->cs_buf, usage,
+	return rctx->ws->cs_add_buffer(ring->cs, rbo->cs_buf, usage,
 				      rbo->domains, priority) * 4;
 }
 
diff --git a/src/gallium/drivers/radeon/radeon_uvd.c b/src/gallium/drivers/radeon/radeon_uvd.c
index 4c59885eecf..c3ac7e7f2ef 100644
--- a/src/gallium/drivers/radeon/radeon_uvd.c
+++ b/src/gallium/drivers/radeon/radeon_uvd.c
@@ -110,7 +110,7 @@ static void send_cmd(struct ruvd_decoder *dec, unsigned cmd,
 {
 	int reloc_idx;
 
-	reloc_idx = dec->ws->cs_add_reloc(dec->cs, cs_buf, usage, domain,
+	reloc_idx = dec->ws->cs_add_buffer(dec->cs, cs_buf, usage, domain,
 					  RADEON_PRIO_UVD);
 	if (!dec->use_legacy) {
 		uint64_t addr;
diff --git a/src/gallium/drivers/radeon/radeon_vce.c b/src/gallium/drivers/radeon/radeon_vce.c
index 0e01e91d02b..0dac6fbbdce 100644
--- a/src/gallium/drivers/radeon/radeon_vce.c
+++ b/src/gallium/drivers/radeon/radeon_vce.c
@@ -516,7 +516,7 @@ void rvce_add_buffer(struct rvce_encoder *enc, struct radeon_winsys_cs_handle *b
 {
 	int reloc_idx;
 
-	reloc_idx = enc->ws->cs_add_reloc(enc->cs, buf, usage, domain, RADEON_PRIO_VCE);
+	reloc_idx = enc->ws->cs_add_buffer(enc->cs, buf, usage, domain, RADEON_PRIO_VCE);
 	if (enc->use_vm) {
 		uint64_t addr;
 		addr = enc->ws->buffer_get_virtual_address(buf);
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h
index 8b17281efe7..3049852c5a5 100644
--- a/src/gallium/drivers/radeon/radeon_winsys.h
+++ b/src/gallium/drivers/radeon/radeon_winsys.h
@@ -595,18 +595,17 @@ struct radeon_winsys {
     void (*cs_destroy)(struct radeon_winsys_cs *cs);
 
     /**
-     * Add a new buffer relocation. Every relocation must first be added
-     * before it can be written.
+     * Add a buffer. Each buffer used by a CS must be added using this function.
      *
-     * \param cs  A command stream to add buffer for validation against.
-     * \param buf A winsys buffer to validate.
+     * \param cs      Command stream
+     * \param buf     Buffer
      * \param usage   Whether the buffer is used for read and/or write.
      * \param domain  Bitmask of the RADEON_DOMAIN_* flags.
      * \param priority  A higher number means a greater chance of being
      *                  placed in the requested domain. 15 is the maximum.
-     * \return Relocation index.
+     * \return Buffer index.
      */
-    unsigned (*cs_add_reloc)(struct radeon_winsys_cs *cs,
+    unsigned (*cs_add_buffer)(struct radeon_winsys_cs *cs,
                              struct radeon_winsys_cs_handle *buf,
                              enum radeon_bo_usage usage,
                              enum radeon_bo_domain domain,
@@ -619,21 +618,21 @@ struct radeon_winsys {
      * \param buf       Buffer
      * \return          The buffer index, or -1 if the buffer has not been added.
      */
-    int (*cs_get_reloc)(struct radeon_winsys_cs *cs,
-                        struct radeon_winsys_cs_handle *buf);
+    int (*cs_lookup_buffer)(struct radeon_winsys_cs *cs,
+                            struct radeon_winsys_cs_handle *buf);
 
     /**
-     * Return TRUE if there is enough memory in VRAM and GTT for the relocs
-     * added so far. If the validation fails, all the relocations which have
+     * Return TRUE if there is enough memory in VRAM and GTT for the buffers
+     * added so far. If the validation fails, all buffers which have
      * been added since the last call of cs_validate will be removed and
-     * the CS will be flushed (provided there are still any relocations).
+     * the CS will be flushed (provided there are still any buffers).
      *
      * \param cs        A command stream to validate.
      */
     boolean (*cs_validate)(struct radeon_winsys_cs *cs);
 
     /**
-     * Return TRUE if there is enough memory in VRAM and GTT for the relocs
+     * Return TRUE if there is enough memory in VRAM and GTT for the buffers
      * added so far.
      *
      * \param cs        A command stream to validate.
diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index 74ec7cccba8..19dd14f9b6f 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -143,7 +143,7 @@ static void si_sampler_views_begin_new_cs(struct si_context *sctx,
 {
 	uint64_t mask = views->desc.enabled_mask;
 
-	/* Add relocations to the CS. */
+	/* Add buffers to the CS. */
 	while (mask) {
 		int i = u_bit_scan64(&mask);
 		struct si_sampler_view *rview =
@@ -324,7 +324,7 @@ static void si_buffer_resources_begin_new_cs(struct si_context *sctx,
 {
 	uint64_t mask = buffers->desc.enabled_mask;
 
-	/* Add relocations to the CS. */
+	/* Add buffers to the CS. */
 	while (mask) {
 		int i = u_bit_scan64(&mask);
 
diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c
index c789292e742..de95d12f000 100644
--- a/src/gallium/drivers/radeonsi/si_hw_context.c
+++ b/src/gallium/drivers/radeonsi/si_hw_context.c
@@ -32,7 +32,7 @@ void si_need_cs_space(struct si_context *ctx)
 	struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
 
 	/* There are two memory usage counters in the winsys for all buffers
-	 * that have been added (cs_add_reloc) and two counters in the pipe
+	 * that have been added (cs_add_buffer) and two counters in the pipe
 	 * driver for those that haven't been added yet.
 	 */
 	if (unlikely(!ctx->b.ws->cs_memory_below_limit(ctx->b.rings.gfx.cs,
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
index 9a89ba85a29..19a20048470 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
@@ -370,7 +370,7 @@ amdgpu_cs_create(struct radeon_winsys_ctx *rwctx,
 
 #define OUT_CS(cs, value) (cs)->buf[(cs)->cdw++] = (value)
 
-int amdgpu_get_reloc(struct amdgpu_cs *cs, struct amdgpu_winsys_bo *bo)
+int amdgpu_lookup_buffer(struct amdgpu_cs *cs, struct amdgpu_winsys_bo *bo)
 {
    unsigned hash = bo->unique_id & (Elements(cs->buffer_indices_hashlist)-1);
    int i = cs->buffer_indices_hashlist[hash];
@@ -379,15 +379,15 @@ int amdgpu_get_reloc(struct amdgpu_cs *cs, struct amdgpu_winsys_bo *bo)
    if (i == -1 || cs->buffers[i].bo == bo)
       return i;
 
-   /* Hash collision, look for the BO in the list of relocs linearly. */
+   /* Hash collision, look for the BO in the list of buffers linearly. */
    for (i = cs->num_buffers - 1; i >= 0; i--) {
       if (cs->buffers[i].bo == bo) {
-         /* Put this reloc in the hash list.
+         /* Put this buffer in the hash list.
           * This will prevent additional hash collisions if there are
-          * several consecutive get_reloc calls for the same buffer.
+          * several consecutive lookup_buffer calls for the same buffer.
           *
           * Example: Assuming buffers A,B,C collide in the hash list,
-          * the following sequence of relocs:
+          * the following sequence of buffers:
           *         AAAAAAAAAAABBBBBBBBBBBBBBCCCCCCCC
           * will collide here: ^ and here:   ^,
           * meaning that we should get very few collisions in the end. */
@@ -398,32 +398,32 @@ int amdgpu_get_reloc(struct amdgpu_cs *cs, struct amdgpu_winsys_bo *bo)
    return -1;
 }
 
-static unsigned amdgpu_add_reloc(struct amdgpu_cs *cs,
+static unsigned amdgpu_add_buffer(struct amdgpu_cs *cs,
                                  struct amdgpu_winsys_bo *bo,
                                  enum radeon_bo_usage usage,
                                  enum radeon_bo_domain domains,
                                  unsigned priority,
                                  enum radeon_bo_domain *added_domains)
 {
-   struct amdgpu_cs_buffer *reloc;
+   struct amdgpu_cs_buffer *buffer;
    unsigned hash = bo->unique_id & (Elements(cs->buffer_indices_hashlist)-1);
    int i = -1;
 
    assert(priority < 64);
    *added_domains = 0;
 
-   i = amdgpu_get_reloc(cs, bo);
+   i = amdgpu_lookup_buffer(cs, bo);
 
    if (i >= 0) {
-      reloc = &cs->buffers[i];
-      reloc->usage |= usage;
-      *added_domains = domains & ~reloc->domains;
-      reloc->domains |= domains;
+      buffer = &cs->buffers[i];
+      buffer->usage |= usage;
+      *added_domains = domains & ~buffer->domains;
+      buffer->domains |= domains;
       cs->flags[i] = MAX2(cs->flags[i], priority / 4);
       return i;
    }
 
-   /* New relocation, check if the backing array is large enough. */
+   /* New buffer, check if the backing array is large enough. */
    if (cs->num_buffers >= cs->max_num_buffers) {
       uint32_t size;
       cs->max_num_buffers += 10;
@@ -437,16 +437,16 @@ static unsigned amdgpu_add_reloc(struct amdgpu_cs *cs,
       cs->flags = realloc(cs->flags, cs->max_num_buffers);
    }
 
-   /* Initialize the new relocation. */
+   /* Initialize the new buffer. */
    cs->buffers[cs->num_buffers].bo = NULL;
    amdgpu_winsys_bo_reference(&cs->buffers[cs->num_buffers].bo, bo);
    cs->handles[cs->num_buffers] = bo->bo;
    cs->flags[cs->num_buffers] = priority / 4;
    p_atomic_inc(&bo->num_cs_references);
-   reloc = &cs->buffers[cs->num_buffers];
-   reloc->bo = bo;
-   reloc->usage = usage;
-   reloc->domains = domains;
+   buffer = &cs->buffers[cs->num_buffers];
+   buffer->bo = bo;
+   buffer->usage = usage;
+   buffer->domains = domains;
 
    cs->buffer_indices_hashlist[hash] = cs->num_buffers;
 
@@ -454,7 +454,7 @@ static unsigned amdgpu_add_reloc(struct amdgpu_cs *cs,
    return cs->num_buffers++;
 }
 
-static unsigned amdgpu_cs_add_reloc(struct radeon_winsys_cs *rcs,
+static unsigned amdgpu_cs_add_buffer(struct radeon_winsys_cs *rcs,
                                     struct radeon_winsys_cs_handle *buf,
                                     enum radeon_bo_usage usage,
                                     enum radeon_bo_domain domains,
@@ -466,7 +466,7 @@ static unsigned amdgpu_cs_add_reloc(struct radeon_winsys_cs *rcs,
    struct amdgpu_cs *cs = amdgpu_cs(rcs);
    struct amdgpu_winsys_bo *bo = (struct amdgpu_winsys_bo*)buf;
    enum radeon_bo_domain added_domains;
-   unsigned index = amdgpu_add_reloc(cs, bo, usage, bo->initial_domain,
+   unsigned index = amdgpu_add_buffer(cs, bo, usage, bo->initial_domain,
                                      priority, &added_domains);
 
    if (added_domains & RADEON_DOMAIN_GTT)
@@ -477,12 +477,12 @@ static unsigned amdgpu_cs_add_reloc(struct radeon_winsys_cs *rcs,
    return index;
 }
 
-static int amdgpu_cs_get_reloc(struct radeon_winsys_cs *rcs,
+static int amdgpu_cs_lookup_buffer(struct radeon_winsys_cs *rcs,
                                struct radeon_winsys_cs_handle *buf)
 {
    struct amdgpu_cs *cs = amdgpu_cs(rcs);
 
-   return amdgpu_get_reloc(cs, (struct amdgpu_winsys_bo*)buf);
+   return amdgpu_lookup_buffer(cs, (struct amdgpu_winsys_bo*)buf);
 }
 
 static boolean amdgpu_cs_validate(struct radeon_winsys_cs *rcs)
@@ -621,7 +621,7 @@ static void amdgpu_cs_flush(struct radeon_winsys_cs *rcs,
       fprintf(stderr, "amdgpu: command stream overflowed\n");
    }
 
-   amdgpu_cs_add_reloc(rcs, (void*)cs->big_ib_winsys_buffer,
+   amdgpu_cs_add_buffer(rcs, (void*)cs->big_ib_winsys_buffer,
 		       RADEON_USAGE_READ, 0, RADEON_PRIO_IB1);
 
    /* If the CS is not empty or overflowed.... */
@@ -682,8 +682,8 @@ void amdgpu_cs_init_functions(struct amdgpu_winsys *ws)
    ws->base.ctx_query_reset_status = amdgpu_ctx_query_reset_status;
    ws->base.cs_create = amdgpu_cs_create;
    ws->base.cs_destroy = amdgpu_cs_destroy;
-   ws->base.cs_add_reloc = amdgpu_cs_add_reloc;
-   ws->base.cs_get_reloc = amdgpu_cs_get_reloc;
+   ws->base.cs_add_buffer = amdgpu_cs_add_buffer;
+   ws->base.cs_lookup_buffer = amdgpu_cs_lookup_buffer;
    ws->base.cs_validate = amdgpu_cs_validate;
    ws->base.cs_memory_below_limit = amdgpu_cs_memory_below_limit;
    ws->base.cs_flush = amdgpu_cs_flush;
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h
index 12c6b624b03..1955fe2ed44 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h
@@ -68,7 +68,7 @@ struct amdgpu_cs {
    struct amdgpu_cs_request    request;
    struct amdgpu_cs_ib_info    ib;
 
-   /* Relocs. */
+   /* Buffers. */
    unsigned                    max_num_buffers;
    unsigned                    num_buffers;
    amdgpu_bo_handle            *handles;
@@ -115,7 +115,7 @@ static inline void amdgpu_fence_reference(struct pipe_fence_handle **dst,
    *rdst = rsrc;
 }
 
-int amdgpu_get_reloc(struct amdgpu_cs *csc, struct amdgpu_winsys_bo *bo);
+int amdgpu_lookup_buffer(struct amdgpu_cs *csc, struct amdgpu_winsys_bo *bo);
 
 static inline struct amdgpu_cs *
 amdgpu_cs(struct radeon_winsys_cs *base)
@@ -129,7 +129,7 @@ amdgpu_bo_is_referenced_by_cs(struct amdgpu_cs *cs,
 {
    int num_refs = bo->num_cs_references;
    return num_refs == bo->rws->num_cs ||
-         (num_refs && amdgpu_get_reloc(cs, bo) != -1);
+         (num_refs && amdgpu_lookup_buffer(cs, bo) != -1);
 }
 
 static inline boolean
@@ -142,7 +142,7 @@ amdgpu_bo_is_referenced_by_cs_with_usage(struct amdgpu_cs *cs,
    if (!bo->num_cs_references)
       return FALSE;
 
-   index = amdgpu_get_reloc(cs, bo);
+   index = amdgpu_lookup_buffer(cs, bo);
    if (index == -1)
       return FALSE;
 
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
index b277efecf61..6e707b699c4 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
@@ -37,13 +37,13 @@
 /*
     This file replaces libdrm's radeon_cs_gem with our own implemention.
     It's optimized specifically for Radeon DRM.
-    Reloc writes and space checking are faster and simpler than their
+    Adding buffers and space checking are faster and simpler than their
     counterparts in libdrm (the time complexity of all the functions
     is O(1) in nearly all scenarios, thanks to hashing).
 
     It works like this:
 
-    cs_add_reloc(cs, buf, read_domain, write_domain) adds a new relocation and
+    cs_add_buffer(cs, buf, read_domain, write_domain) adds a new relocation and
     also adds the size of 'buf' to the used_gart and used_vram winsys variables
     based on the domains, which are simply or'd for the accounting purposes.
     The adding is skipped if the reloc is already present in the list, but it
@@ -58,8 +58,8 @@
     (done in the pipe driver)
 
     cs_write_reloc(cs, buf) just writes a reloc that has been added using
-    cs_add_reloc. The read_domain and write_domain parameters have been removed,
-    because we already specify them in cs_add_reloc.
+    cs_add_buffer. The read_domain and write_domain parameters have been removed,
+    because we already specify them in cs_add_buffer.
 */
 
 #include "radeon_drm_cs.h"
@@ -221,7 +221,7 @@ static inline void update_reloc(struct drm_radeon_cs_reloc *reloc,
     reloc->flags = MAX2(reloc->flags, priority);
 }
 
-int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo)
+int radeon_lookup_buffer(struct radeon_cs_context *csc, struct radeon_bo *bo)
 {
     unsigned hash = bo->handle & (Elements(csc->reloc_indices_hashlist)-1);
     int i = csc->reloc_indices_hashlist[hash];
@@ -235,7 +235,7 @@ int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo)
         if (csc->relocs_bo[i] == bo) {
             /* Put this reloc in the hash list.
              * This will prevent additional hash collisions if there are
-             * several consecutive get_reloc calls for the same buffer.
+             * several consecutive lookup_buffer calls for the same buffer.
              *
              * Example: Assuming buffers A,B,C collide in the hash list,
              * the following sequence of relocs:
@@ -249,7 +249,7 @@ int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo)
     return -1;
 }
 
-static unsigned radeon_add_reloc(struct radeon_drm_cs *cs,
+static unsigned radeon_add_buffer(struct radeon_drm_cs *cs,
                                  struct radeon_bo *bo,
                                  enum radeon_bo_usage usage,
                                  enum radeon_bo_domain domains,
@@ -266,13 +266,13 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs,
     assert(priority < 64);
     *added_domains = 0;
 
-    i = radeon_get_reloc(csc, bo);
+    i = radeon_lookup_buffer(csc, bo);
 
     if (i >= 0) {
         reloc = &csc->relocs[i];
         update_reloc(reloc, rd, wd, priority / 4, added_domains);
 
-        /* For async DMA, every add_reloc call must add a buffer to the list
+        /* For async DMA, every add_buffer call must add a buffer to the list
          * no matter how many duplicates there are. This is due to the fact
          * the DMA CS checker doesn't use NOP packets for offset patching,
          * but always uses the i-th buffer from the list to patch the i-th
@@ -319,7 +319,7 @@ static unsigned radeon_add_reloc(struct radeon_drm_cs *cs,
     return csc->crelocs++;
 }
 
-static unsigned radeon_drm_cs_add_reloc(struct radeon_winsys_cs *rcs,
+static unsigned radeon_drm_cs_add_buffer(struct radeon_winsys_cs *rcs,
                                         struct radeon_winsys_cs_handle *buf,
                                         enum radeon_bo_usage usage,
                                         enum radeon_bo_domain domains,
@@ -328,8 +328,8 @@ static unsigned radeon_drm_cs_add_reloc(struct radeon_winsys_cs *rcs,
     struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
     struct radeon_bo *bo = (struct radeon_bo*)buf;
     enum radeon_bo_domain added_domains;
-    unsigned index = radeon_add_reloc(cs, bo, usage, domains, priority,
-                                      &added_domains);
+    unsigned index = radeon_add_buffer(cs, bo, usage, domains, priority,
+                                       &added_domains);
 
     if (added_domains & RADEON_DOMAIN_GTT)
         cs->csc->used_gart += bo->base.size;
@@ -339,12 +339,12 @@ static unsigned radeon_drm_cs_add_reloc(struct radeon_winsys_cs *rcs,
     return index;
 }
 
-static int radeon_drm_cs_get_reloc(struct radeon_winsys_cs *rcs,
+static int radeon_drm_cs_lookup_buffer(struct radeon_winsys_cs *rcs,
                                    struct radeon_winsys_cs_handle *buf)
 {
     struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
 
-    return radeon_get_reloc(cs->csc, (struct radeon_bo*)buf);
+    return radeon_lookup_buffer(cs->csc, (struct radeon_bo*)buf);
 }
 
 static boolean radeon_drm_cs_validate(struct radeon_winsys_cs *rcs)
@@ -357,9 +357,9 @@ static boolean radeon_drm_cs_validate(struct radeon_winsys_cs *rcs)
     if (status) {
         cs->csc->validated_crelocs = cs->csc->crelocs;
     } else {
-        /* Remove lately-added relocations. The validation failed with them
+        /* Remove lately-added buffers. The validation failed with them
          * and the CS is about to be flushed because of that. Keep only
-         * the already-validated relocations. */
+         * the already-validated buffers. */
         unsigned i;
 
         for (i = cs->csc->validated_crelocs; i < cs->csc->crelocs; i++) {
@@ -608,7 +608,7 @@ static boolean radeon_bo_is_referenced(struct radeon_winsys_cs *rcs,
     if (!bo->num_cs_references)
         return FALSE;
 
-    index = radeon_get_reloc(cs->csc, bo);
+    index = radeon_lookup_buffer(cs->csc, bo);
     if (index == -1)
         return FALSE;
 
@@ -632,7 +632,7 @@ radeon_cs_create_fence(struct radeon_winsys_cs *rcs)
     fence = cs->ws->base.buffer_create(&cs->ws->base, 1, 1, TRUE,
                                        RADEON_DOMAIN_GTT, 0);
     /* Add the fence as a dummy relocation. */
-    cs->ws->base.cs_add_reloc(rcs, cs->ws->base.buffer_get_cs_handle(fence),
+    cs->ws->base.cs_add_buffer(rcs, cs->ws->base.buffer_get_cs_handle(fence),
                               RADEON_USAGE_READWRITE, RADEON_DOMAIN_GTT,
                               RADEON_PRIO_FENCE);
     return (struct pipe_fence_handle*)fence;
@@ -658,8 +658,8 @@ void radeon_drm_cs_init_functions(struct radeon_drm_winsys *ws)
     ws->base.ctx_destroy = radeon_drm_ctx_destroy;
     ws->base.cs_create = radeon_drm_cs_create;
     ws->base.cs_destroy = radeon_drm_cs_destroy;
-    ws->base.cs_add_reloc = radeon_drm_cs_add_reloc;
-    ws->base.cs_get_reloc = radeon_drm_cs_get_reloc;
+    ws->base.cs_add_buffer = radeon_drm_cs_add_buffer;
+    ws->base.cs_lookup_buffer = radeon_drm_cs_lookup_buffer;
     ws->base.cs_validate = radeon_drm_cs_validate;
     ws->base.cs_memory_below_limit = radeon_drm_cs_memory_below_limit;
     ws->base.cs_flush = radeon_drm_cs_flush;
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.h b/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
index 6ceb8e98ee7..f69e1cea09f 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
@@ -40,7 +40,7 @@ struct radeon_cs_context {
 
     uint32_t                    cs_trace_id;
 
-    /* Relocs. */
+    /* Buffers. */
     unsigned                    nrelocs;
     unsigned                    crelocs;
     unsigned                    validated_crelocs;
@@ -77,7 +77,7 @@ struct radeon_drm_cs {
     struct radeon_bo                    *trace_buf;
 };
 
-int radeon_get_reloc(struct radeon_cs_context *csc, struct radeon_bo *bo);
+int radeon_lookup_buffer(struct radeon_cs_context *csc, struct radeon_bo *bo);
 
 static inline struct radeon_drm_cs *
 radeon_drm_cs(struct radeon_winsys_cs *base)
@@ -91,7 +91,7 @@ radeon_bo_is_referenced_by_cs(struct radeon_drm_cs *cs,
 {
     int num_refs = bo->num_cs_references;
     return num_refs == bo->rws->num_cs ||
-           (num_refs && radeon_get_reloc(cs->csc, bo) != -1);
+           (num_refs && radeon_lookup_buffer(cs->csc, bo) != -1);
 }
 
 static inline boolean
@@ -103,7 +103,7 @@ radeon_bo_is_referenced_by_cs_for_write(struct radeon_drm_cs *cs,
     if (!bo->num_cs_references)
         return FALSE;
 
-    index = radeon_get_reloc(cs->csc, bo);
+    index = radeon_lookup_buffer(cs->csc, bo);
     if (index == -1)
         return FALSE;