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-rw-r--r--src/gallium/drivers/iris/iris_batch.c183
1 files changed, 5 insertions, 178 deletions
diff --git a/src/gallium/drivers/iris/iris_batch.c b/src/gallium/drivers/iris/iris_batch.c
index 7602da27f37..52e44d9bb04 100644
--- a/src/gallium/drivers/iris/iris_batch.c
+++ b/src/gallium/drivers/iris/iris_batch.c
@@ -83,15 +83,6 @@ uint_key_hash(const void *key)
}
static void
-init_reloc_list(struct iris_reloc_list *rlist, int count)
-{
- rlist->reloc_count = 0;
- rlist->reloc_array_size = count;
- rlist->relocs = malloc(rlist->reloc_array_size *
- sizeof(struct drm_i915_gem_relocation_entry));
-}
-
-static void
create_batch_buffer(struct iris_bufmgr *bufmgr,
struct iris_batch_buffer *buf,
const char *name, unsigned size)
@@ -116,9 +107,6 @@ iris_init_batch(struct iris_batch *batch,
assert(util_bitcount(ring) == 1);
batch->ring = ring;
- init_reloc_list(&batch->cmdbuf.relocs, 256);
- init_reloc_list(&batch->statebuf.relocs, 256);
-
batch->exec_count = 0;
batch->exec_array_size = 100;
batch->exec_bos =
@@ -189,12 +177,6 @@ iris_batch_reset(struct iris_batch *batch)
batch->last_cmd_bo = batch->cmdbuf.bo;
create_batch_buffer(bufmgr, &batch->cmdbuf, "command buffer", BATCH_SZ);
- create_batch_buffer(bufmgr, &batch->statebuf, "state buffer", STATE_SZ);
-
- /* Avoid making 0 a valid state offset - otherwise the decoder will try
- * and decode data when we use offset 0 as a null pointer.
- */
- batch->statebuf.map_next += 1;
add_exec_bo(batch, batch->cmdbuf.bo);
assert(batch->cmdbuf.bo->index == 0);
@@ -220,10 +202,6 @@ free_batch_buffer(struct iris_batch_buffer *buf)
buf->bo = NULL;
buf->map = NULL;
buf->map_next = NULL;
-
- free(buf->relocs.relocs);
- buf->relocs.relocs = NULL;
- buf->relocs.reloc_array_size = 0;
}
void
@@ -235,7 +213,6 @@ iris_batch_free(struct iris_batch *batch)
free(batch->exec_bos);
free(batch->validation_list);
free_batch_buffer(&batch->cmdbuf);
- free_batch_buffer(&batch->statebuf);
iris_bo_unreference(batch->last_cmd_bo);
@@ -406,19 +383,6 @@ iris_require_command_space(struct iris_batch *batch, unsigned size)
require_buffer_space(batch, &batch->cmdbuf, size, BATCH_SZ, MAX_BATCH_SIZE);
}
-/**
- * Reserve some space in the statebuffer, or flush.
- *
- * This is used to estimate when we're near the end of the batch,
- * so we can flush early.
- */
-void
-iris_require_state_space(struct iris_batch *batch, unsigned size)
-{
- require_buffer_space(batch, &batch->statebuf, size, STATE_SZ,
- MAX_STATE_SIZE);
-}
-
void
iris_batch_emit(struct iris_batch *batch, const void *data, unsigned size)
{
@@ -456,7 +420,6 @@ static int
submit_batch(struct iris_batch *batch, int in_fence_fd, int *out_fence_fd)
{
iris_bo_unmap(batch->cmdbuf.bo);
- iris_bo_unmap(batch->statebuf.bo);
/* The requirement for using I915_EXEC_NO_RELOC are:
*
@@ -470,23 +433,6 @@ submit_batch(struct iris_batch *batch, int in_fence_fd, int *out_fence_fd)
* To avoid stalling, execobject.offset should match the current
* address of that object within the active context.
*/
- /* Set statebuffer relocations */
- const unsigned state_index = batch->statebuf.bo->index;
- if (state_index < batch->exec_count &&
- batch->exec_bos[state_index] == batch->statebuf.bo) {
- struct drm_i915_gem_exec_object2 *entry =
- &batch->validation_list[state_index];
- assert(entry->handle == batch->statebuf.bo->gem_handle);
- entry->relocation_count = batch->statebuf.relocs.reloc_count;
- entry->relocs_ptr = (uintptr_t) batch->statebuf.relocs.relocs;
- }
-
- /* Set batchbuffer relocations */
- struct drm_i915_gem_exec_object2 *entry = &batch->validation_list[0];
- assert(entry->handle == batch->cmdbuf.bo->gem_handle);
- entry->relocation_count = batch->cmdbuf.relocs.reloc_count;
- entry->relocs_ptr = (uintptr_t) batch->cmdbuf.relocs.relocs;
-
struct drm_i915_gem_execbuffer2 execbuf = {
.buffers_ptr = (uintptr_t) batch->validation_list,
.buffer_count = batch->exec_count,
@@ -568,16 +514,12 @@ _iris_batch_flush_fence(struct iris_batch *batch,
if (unlikely(INTEL_DEBUG & (DEBUG_BATCH | DEBUG_SUBMIT))) {
int bytes_for_commands = buffer_bytes_used(&batch->cmdbuf);
- int bytes_for_state = buffer_bytes_used(&batch->statebuf);
- fprintf(stderr, "%19s:%-3d: Batchbuffer flush with %5db (%0.1f%%) (pkt),"
- " %5db (%0.1f%%) (state), %4d BOs (%0.1fMb aperture),"
- " %4d batch relocs, %4d state relocs\n", file, line,
+ fprintf(stderr, "%19s:%-3d: Batchbuffer flush with %5db (%0.1f%%), "
+ "%4d BOs (%0.1fMb aperture)\n",
+ file, line,
bytes_for_commands, 100.0f * bytes_for_commands / BATCH_SZ,
- bytes_for_state, 100.0f * bytes_for_state / STATE_SZ,
batch->exec_count,
- (float) batch->aperture_space / (1024 * 1024),
- batch->cmdbuf.relocs.reloc_count,
- batch->statebuf.relocs.reloc_count);
+ (float) batch->aperture_space / (1024 * 1024));
}
int ret = submit_batch(batch, in_fence_fd, out_fence_fd);
@@ -603,13 +545,9 @@ _iris_batch_flush_fence(struct iris_batch *batch,
iris_bo_unreference(batch->exec_bos[i]);
batch->exec_bos[i] = NULL;
}
- batch->cmdbuf.relocs.reloc_count = 0;
- batch->statebuf.relocs.reloc_count = 0;
batch->exec_count = 0;
batch->aperture_space = 0;
- iris_bo_unreference(batch->statebuf.bo);
-
/* Start a new batch buffer. */
iris_batch_reset_and_clear_render_cache(batch);
@@ -630,46 +568,8 @@ iris_batch_references(struct iris_batch *batch, struct iris_bo *bo)
return false;
}
-/* This is the only way buffers get added to the validate list.
+/* This is the only way buffers get added to the validate list.
*/
-static uint64_t
-emit_reloc(struct iris_batch *batch,
- struct iris_reloc_list *rlist, uint32_t offset,
- struct iris_bo *target, uint32_t target_offset,
- unsigned int reloc_flags)
-{
- assert(target != NULL);
-
- unsigned int index = add_exec_bo(batch, target);
- struct drm_i915_gem_exec_object2 *entry = &batch->validation_list[index];
-
- if (target->kflags & EXEC_OBJECT_PINNED) {
- assert(entry->offset == target->gtt_offset);
- return entry->offset + target_offset;
- }
-
- if (rlist->reloc_count == rlist->reloc_array_size) {
- rlist->reloc_array_size *= 2;
- rlist->relocs = realloc(rlist->relocs,
- rlist->reloc_array_size *
- sizeof(struct drm_i915_gem_relocation_entry));
- }
-
- rlist->relocs[rlist->reloc_count++] =
- (struct drm_i915_gem_relocation_entry) {
- .offset = offset,
- .delta = target_offset,
- .target_handle = index,
- .presumed_offset = entry->offset,
- };
-
- /* Using the old buffer offset, write in what the right data would be, in
- * case the buffer doesn't move and we can short-circuit the relocation
- * processing in the kernel
- */
- return entry->offset + target_offset;
-}
-
void
iris_use_pinned_bo(struct iris_batch *batch, struct iris_bo *bo)
{
@@ -677,79 +577,6 @@ iris_use_pinned_bo(struct iris_batch *batch, struct iris_bo *bo)
add_exec_bo(batch, bo);
}
-uint64_t
-iris_batch_reloc(struct iris_batch *batch, uint32_t batch_offset,
- struct iris_bo *target, uint32_t target_offset,
- unsigned int reloc_flags)
-{
- assert(batch_offset <= batch->cmdbuf.bo->size - sizeof(uint32_t));
-
- return emit_reloc(batch, &batch->cmdbuf.relocs, batch_offset,
- target, target_offset, reloc_flags);
-}
-
-uint64_t
-iris_state_reloc(struct iris_batch *batch, uint32_t state_offset,
- struct iris_bo *target, uint32_t target_offset,
- unsigned int reloc_flags)
-{
- assert(state_offset <= batch->statebuf.bo->size - sizeof(uint32_t));
-
- return emit_reloc(batch, &batch->statebuf.relocs, state_offset,
- target, target_offset, reloc_flags);
-}
-
-
-static uint32_t
-iris_state_entry_size(struct iris_batch *batch, uint32_t offset)
-{
- struct hash_entry *entry =
- _mesa_hash_table_search(batch->state_sizes, (void *)(uintptr_t) offset);
- return entry ? (uintptr_t) entry->data : 0;
-}
-
-/**
- * Allocates a block of space in the batchbuffer for indirect state.
- */
-void *
-iris_alloc_state(struct iris_batch *batch,
- int size, int alignment,
- uint32_t *out_offset)
-{
- assert(size < batch->statebuf.bo->size);
-
- const unsigned existing_bytes = buffer_bytes_used(&batch->statebuf);
- unsigned aligned_size =
- ALIGN(existing_bytes, alignment) - existing_bytes + size;
-
- require_buffer_space(batch, &batch->statebuf, aligned_size,
- STATE_SZ, MAX_STATE_SIZE);
-
- unsigned offset = ALIGN(buffer_bytes_used(&batch->statebuf), alignment);
-
- if (unlikely(batch->state_sizes)) {
- _mesa_hash_table_insert(batch->state_sizes,
- (void *) (uintptr_t) offset,
- (void *) (uintptr_t) size);
- }
-
- batch->statebuf.map_next += aligned_size;
-
- *out_offset = offset;
- return batch->statebuf.map + offset;
-}
-
-uint32_t
-iris_emit_state(struct iris_batch *batch,
- const void *data,
- int size, int alignment)
-{
- uint32_t out_offset;
- void *dest = iris_alloc_state(batch, size, alignment, &out_offset);
- memcpy(dest, data, size);
- return out_offset;
-}
-
static void
decode_batch(struct iris_batch *batch)
{