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path: root/drivers/gpu/drm/i915/i915_gem_render_state.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_render_state.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_render_state.c132
1 files changed, 52 insertions, 80 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c
index f75bbd67a13a..95b7e9afd5f8 100644
--- a/drivers/gpu/drm/i915/i915_gem_render_state.c
+++ b/drivers/gpu/drm/i915/i915_gem_render_state.c
@@ -28,10 +28,17 @@
#include "i915_drv.h"
#include "intel_renderstate.h"
+struct render_state {
+ const struct intel_renderstate_rodata *rodata;
+ struct i915_vma *vma;
+ u32 aux_batch_size;
+ u32 aux_batch_offset;
+};
+
static const struct intel_renderstate_rodata *
-render_state_get_rodata(const int gen)
+render_state_get_rodata(const struct drm_i915_gem_request *req)
{
- switch (gen) {
+ switch (INTEL_GEN(req->i915)) {
case 6:
return &gen6_null_state;
case 7:
@@ -45,35 +52,6 @@ render_state_get_rodata(const int gen)
return NULL;
}
-static int render_state_init(struct render_state *so,
- struct drm_i915_private *dev_priv)
-{
- int ret;
-
- so->gen = INTEL_GEN(dev_priv);
- so->rodata = render_state_get_rodata(so->gen);
- if (so->rodata == NULL)
- return 0;
-
- if (so->rodata->batch_items * 4 > 4096)
- return -EINVAL;
-
- so->obj = i915_gem_object_create(&dev_priv->drm, 4096);
- if (IS_ERR(so->obj))
- return PTR_ERR(so->obj);
-
- ret = i915_gem_obj_ggtt_pin(so->obj, 4096, 0);
- if (ret)
- goto free_gem;
-
- so->ggtt_offset = i915_gem_obj_ggtt_offset(so->obj);
- return 0;
-
-free_gem:
- drm_gem_object_unreference(&so->obj->base);
- return ret;
-}
-
/*
* Macro to add commands to auxiliary batch.
* This macro only checks for page overflow before inserting the commands,
@@ -94,27 +72,28 @@ free_gem:
static int render_state_setup(struct render_state *so)
{
- struct drm_device *dev = so->obj->base.dev;
+ struct drm_device *dev = so->vma->vm->dev;
const struct intel_renderstate_rodata *rodata = so->rodata;
+ const bool has_64bit_reloc = INTEL_GEN(dev) >= 8;
unsigned int i = 0, reloc_index = 0;
struct page *page;
u32 *d;
int ret;
- ret = i915_gem_object_set_to_cpu_domain(so->obj, true);
+ ret = i915_gem_object_set_to_cpu_domain(so->vma->obj, true);
if (ret)
return ret;
- page = i915_gem_object_get_dirty_page(so->obj, 0);
+ page = i915_gem_object_get_dirty_page(so->vma->obj, 0);
d = kmap(page);
while (i < rodata->batch_items) {
u32 s = rodata->batch[i];
if (i * 4 == rodata->reloc[reloc_index]) {
- u64 r = s + so->ggtt_offset;
+ u64 r = s + so->vma->node.start;
s = lower_32_bits(r);
- if (so->gen >= 8) {
+ if (has_64bit_reloc) {
if (i + 1 >= rodata->batch_items ||
rodata->batch[i + 1] != 0) {
ret = -EINVAL;
@@ -174,7 +153,7 @@ static int render_state_setup(struct render_state *so)
kunmap(page);
- ret = i915_gem_object_set_to_gtt_domain(so->obj, false);
+ ret = i915_gem_object_set_to_gtt_domain(so->vma->obj, false);
if (ret)
return ret;
@@ -192,67 +171,60 @@ err_out:
#undef OUT_BATCH
-void i915_gem_render_state_fini(struct render_state *so)
-{
- i915_gem_object_ggtt_unpin(so->obj);
- drm_gem_object_unreference(&so->obj->base);
-}
-
-int i915_gem_render_state_prepare(struct intel_engine_cs *engine,
- struct render_state *so)
+int i915_gem_render_state_init(struct drm_i915_gem_request *req)
{
+ struct render_state so;
+ struct drm_i915_gem_object *obj;
int ret;
- if (WARN_ON(engine->id != RCS))
+ if (WARN_ON(req->engine->id != RCS))
return -ENOENT;
- ret = render_state_init(so, engine->i915);
- if (ret)
- return ret;
-
- if (so->rodata == NULL)
+ so.rodata = render_state_get_rodata(req);
+ if (!so.rodata)
return 0;
- ret = render_state_setup(so);
- if (ret) {
- i915_gem_render_state_fini(so);
- return ret;
- }
+ if (so.rodata->batch_items * 4 > 4096)
+ return -EINVAL;
- return 0;
-}
+ obj = i915_gem_object_create(&req->i915->drm, 4096);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
-int i915_gem_render_state_init(struct drm_i915_gem_request *req)
-{
- struct render_state so;
- int ret;
+ so.vma = i915_vma_create(obj, &req->i915->ggtt.base, NULL);
+ if (IS_ERR(so.vma)) {
+ ret = PTR_ERR(so.vma);
+ goto err_obj;
+ }
- ret = i915_gem_render_state_prepare(req->engine, &so);
+ ret = i915_vma_pin(so.vma, 0, 0, PIN_GLOBAL);
if (ret)
- return ret;
+ goto err_obj;
- if (so.rodata == NULL)
- return 0;
+ ret = render_state_setup(&so);
+ if (ret)
+ goto err_unpin;
- ret = req->engine->dispatch_execbuffer(req, so.ggtt_offset,
- so.rodata->batch_items * 4,
- I915_DISPATCH_SECURE);
+ ret = req->engine->emit_bb_start(req, so.vma->node.start,
+ so.rodata->batch_items * 4,
+ I915_DISPATCH_SECURE);
if (ret)
- goto out;
+ goto err_unpin;
if (so.aux_batch_size > 8) {
- ret = req->engine->dispatch_execbuffer(req,
- (so.ggtt_offset +
- so.aux_batch_offset),
- so.aux_batch_size,
- I915_DISPATCH_SECURE);
+ ret = req->engine->emit_bb_start(req,
+ (so.vma->node.start +
+ so.aux_batch_offset),
+ so.aux_batch_size,
+ I915_DISPATCH_SECURE);
if (ret)
- goto out;
+ goto err_unpin;
}
- i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), req);
-
-out:
- i915_gem_render_state_fini(&so);
+ i915_vma_move_to_active(so.vma, req, 0);
+err_unpin:
+ i915_vma_unpin(so.vma);
+err_obj:
+ i915_gem_object_put(obj);
return ret;
}