1 // SPDX-License-Identifier: MIT
3 * Copyright © 2019 Intel Corporation
6 #include "i915_gem_object_blt.h"
8 #include "i915_gem_clflush.h"
11 int intel_emit_vma_fill_blt(struct i915_request *rq,
17 cs = intel_ring_begin(rq, 8);
21 if (INTEL_GEN(rq->i915) >= 8) {
22 *cs++ = XY_COLOR_BLT_CMD | BLT_WRITE_RGBA | (7 - 2);
23 *cs++ = BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | PAGE_SIZE;
25 *cs++ = vma->size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4;
26 *cs++ = lower_32_bits(vma->node.start);
27 *cs++ = upper_32_bits(vma->node.start);
31 *cs++ = XY_COLOR_BLT_CMD | BLT_WRITE_RGBA | (6 - 2);
32 *cs++ = BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | PAGE_SIZE;
34 *cs++ = vma->size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4;
35 *cs++ = vma->node.start;
41 intel_ring_advance(rq, cs);
46 int i915_gem_object_fill_blt(struct drm_i915_gem_object *obj,
47 struct intel_context *ce,
50 struct drm_i915_private *i915 = to_i915(obj->base.dev);
51 struct i915_gem_context *ctx = ce->gem_context;
52 struct i915_address_space *vm = ctx->vm ?: &i915->ggtt.vm;
53 struct i915_request *rq;
57 /* XXX: ce->vm please */
58 vma = i915_vma_instance(obj, vm, NULL);
62 err = i915_vma_pin(vma, 0, 0, PIN_USER);
66 if (obj->cache_dirty & ~obj->cache_coherent) {
67 i915_gem_object_lock(obj);
68 i915_gem_clflush_object(obj, 0);
69 i915_gem_object_unlock(obj);
72 rq = i915_request_create(ce);
78 err = i915_request_await_object(rq, obj, true);
82 if (ce->engine->emit_init_breadcrumb) {
83 err = ce->engine->emit_init_breadcrumb(rq);
89 err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE);
94 err = intel_emit_vma_fill_blt(rq, vma, value);
97 i915_request_skip(rq, err);
105 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
106 #include "selftests/i915_gem_object_blt.c"