In the next patch, we require the engine vfuncs setup prior to
initialising the pinned kernel contexts, so split the vfunc setup from
the engine initialisation and call it earlier.
v2: s/setup_xcs/setup_common/ for intel_ring_submission_setup()
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
drivers/gpu/drm/i915/gt/intel_engine.h | 8 +-
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 99 ++++----
drivers/gpu/drm/i915/gt/intel_lrc.c | 74 ++----
drivers/gpu/drm/i915/gt/intel_lrc.h | 5 +-
drivers/gpu/drm/i915/gt/intel_ringbuffer.c | 232 +++++++++---------
drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 +-
drivers/gpu/drm/i915/gt/mock_engine.c | 48 ++--
drivers/gpu/drm/i915/gt/mock_engine.h | 2 +
drivers/gpu/drm/i915/i915_gem.c | 6 +
.../gpu/drm/i915/selftests/mock_gem_device.c | 12 +-
10 files changed, 245 insertions(+), 244 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h
b/drivers/gpu/drm/i915/gt/intel_engine.h
index a228dc1774d8..3e53f53bc52b 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -362,14 +362,12 @@ __intel_ring_space(unsigned int head, unsigned int tail,
unsigned int size)
return (head - tail - CACHELINE_BYTES) & (size - 1);
}
-int intel_engine_setup_common(struct intel_engine_cs *engine);
+int intel_engines_setup(struct drm_i915_private *i915);
int intel_engine_init_common(struct intel_engine_cs *engine);
void intel_engine_cleanup_common(struct intel_engine_cs *engine);
-int intel_init_render_ring_buffer(struct intel_engine_cs *engine);
-int intel_init_bsd_ring_buffer(struct intel_engine_cs *engine);
-int intel_init_blt_ring_buffer(struct intel_engine_cs *engine);
-int intel_init_vebox_ring_buffer(struct intel_engine_cs *engine);
+int intel_ring_submission_setup(struct intel_engine_cs *engine);
+int intel_ring_submission_init(struct intel_engine_cs *engine);
int intel_engine_stop_cs(struct intel_engine_cs *engine);
void intel_engine_cancel_stop_cs(struct intel_engine_cs *engine);
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 5d26791f8d9e..23da9eebe247 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -50,35 +50,24 @@
struct engine_class_info {
const char *name;
- int (*init_legacy)(struct intel_engine_cs *engine);
- int (*init_execlists)(struct intel_engine_cs *engine);
-
u8 uabi_class;
};
static const struct engine_class_info intel_engine_classes[] = {
[RENDER_CLASS] = {
.name = "rcs",
- .init_execlists = logical_render_ring_init,
- .init_legacy = intel_init_render_ring_buffer,
.uabi_class = I915_ENGINE_CLASS_RENDER,
},
[COPY_ENGINE_CLASS] = {
.name = "bcs",
- .init_execlists = logical_xcs_ring_init,
- .init_legacy = intel_init_blt_ring_buffer,
.uabi_class = I915_ENGINE_CLASS_COPY,
},
[VIDEO_DECODE_CLASS] = {
.name = "vcs",
- .init_execlists = logical_xcs_ring_init,
- .init_legacy = intel_init_bsd_ring_buffer,
.uabi_class = I915_ENGINE_CLASS_VIDEO,
},
[VIDEO_ENHANCEMENT_CLASS] = {
.name = "vecs",
- .init_execlists = logical_xcs_ring_init,
- .init_legacy = intel_init_vebox_ring_buffer,
.uabi_class = I915_ENGINE_CLASS_VIDEO_ENHANCE,
},
};
@@ -400,48 +389,39 @@ int intel_engines_init_mmio(struct drm_i915_private
*dev_priv)
/**
* intel_engines_init() - init the Engine Command Streamers
- * @dev_priv: i915 device private
+ * @i915: i915 device private
*
* Return: non-zero if the initialization failed.
*/
-int intel_engines_init(struct drm_i915_private *dev_priv)
+int intel_engines_init(struct drm_i915_private *i915)
{
+ int (*init)(struct intel_engine_cs *engine);
struct intel_engine_cs *engine;
enum intel_engine_id id, err_id;
int err;
- for_each_engine(engine, dev_priv, id) {
- const struct engine_class_info *class_info =
- &intel_engine_classes[engine->class];
- int (*init)(struct intel_engine_cs *engine);
-
- if (HAS_EXECLISTS(dev_priv))
- init = class_info->init_execlists;
- else
- init = class_info->init_legacy;
+ if (HAS_EXECLISTS(i915))
+ init = intel_execlists_submission_init;
+ else
+ init = intel_ring_submission_init;
- err = -EINVAL;
+ for_each_engine(engine, i915, id) {
err_id = id;
- if (GEM_DEBUG_WARN_ON(!init))
- goto cleanup;
-
err = init(engine);
if (err)
goto cleanup;
-
- GEM_BUG_ON(!engine->submit_request);
}
return 0;
cleanup:
- for_each_engine(engine, dev_priv, id) {
+ for_each_engine(engine, i915, id) {
if (id >= err_id) {
kfree(engine);
- dev_priv->engine[id] = NULL;
+ i915->engine[id] = NULL;
} else {
- dev_priv->gt.cleanup_engine(engine);
+ i915->gt.cleanup_engine(engine);
}
}
return err;
@@ -559,16 +539,7 @@ static int init_status_page(struct intel_engine_cs *engine)
return ret;
}
-/**
- * intel_engines_setup_common - setup engine state not requiring hw access
- * @engine: Engine to setup.
- *
- * Initializes @engine@ structure members shared between legacy and execlists
- * submission modes which do not require hardware access.
- *
- * Typically done early in the submission mode specific engine setup stage.
- */
-int intel_engine_setup_common(struct intel_engine_cs *engine)
+static int intel_engine_setup_common(struct intel_engine_cs *engine)
{
int err;
@@ -602,6 +573,52 @@ int intel_engine_setup_common(struct intel_engine_cs
*engine)
return err;
}
+/**
+ * intel_engines_setup- setup engine state not requiring hw access
+ * @i915: Device to setup.
+ *
+ * Initializes engine structure members shared between legacy and execlists
+ * submission modes which do not require hardware access.
+ *
+ * Typically done early in the submission mode specific engine setup stage.
+ */
+int intel_engines_setup(struct drm_i915_private *i915)
+{
+ int (*setup)(struct intel_engine_cs *engine);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ int err;
+
+ if (HAS_EXECLISTS(i915))
+ setup = intel_execlists_submission_setup;
+ else
+ setup = intel_ring_submission_setup;
+
+ for_each_engine(engine, i915, id) {
+ err = intel_engine_setup_common(engine);
+ if (err)
+ goto cleanup;
+
+ err = setup(engine);
+ if (err)
+ goto cleanup;
+
+ GEM_BUG_ON(!engine->cops);
+ }
+
+ return 0;
+
+cleanup:
+ for_each_engine(engine, i915, id) {
+ if (engine->cops)
+ i915->gt.cleanup_engine(engine);
+ else
+ kfree(engine);
+ i915->engine[id] = NULL;
+ }
+ return err;
+}
+
void intel_engines_set_scheduler_caps(struct drm_i915_private *i915)
{
static const struct {
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c
b/drivers/gpu/drm/i915/gt/intel_lrc.c
index d17c08e26935..01f58a152a9e 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1697,8 +1697,8 @@ static int intel_init_workaround_bb(struct
intel_engine_cs *engine)
unsigned int i;
int ret;
- if (GEM_DEBUG_WARN_ON(engine->id != RCS0))
- return -EINVAL;
+ if (engine->class != RENDER_CLASS)
+ return 0;
switch (INTEL_GEN(engine->i915)) {
case 11:
@@ -2444,15 +2444,8 @@ logical_ring_default_irqs(struct intel_engine_cs *engine)
engine->irq_keep_mask = GT_CONTEXT_SWITCH_INTERRUPT << shift;
}
-static int
-logical_ring_setup(struct intel_engine_cs *engine)
+int intel_execlists_submission_setup(struct intel_engine_cs *engine)
{
- int err;
-
- err = intel_engine_setup_common(engine);
- if (err)
- return err;
-
/* Intentionally left blank. */
engine->buffer = NULL;
@@ -2462,10 +2455,16 @@ logical_ring_setup(struct intel_engine_cs *engine)
logical_ring_default_vfuncs(engine);
logical_ring_default_irqs(engine);
+ if (engine->class == RENDER_CLASS) {
+ engine->init_context = gen8_init_rcs_context;
+ engine->emit_flush = gen8_emit_flush_render;
+ engine->emit_fini_breadcrumb = gen8_emit_fini_breadcrumb_rcs;
+ }
+
return 0;
}
-static int logical_ring_init(struct intel_engine_cs *engine)
+int intel_execlists_submission_init(struct intel_engine_cs *engine)
{
struct drm_i915_private *i915 = engine->i915;
struct intel_engine_execlists * const execlists = &engine->execlists;
@@ -2477,6 +2476,15 @@ static int logical_ring_init(struct intel_engine_cs
*engine)
return ret;
intel_engine_init_workarounds(engine);
+ intel_engine_init_whitelist(engine);
+
+ if (intel_init_workaround_bb(engine))
+ /*
+ * We continue even if we fail to initialize WA batch
+ * because we only expect rare glitches but nothing
+ * critical to prevent us from using GPU
+ */
+ DRM_ERROR("WA batch buffer initialization failed\n");
if (HAS_LOGICAL_RING_ELSQ(i915)) {
execlists->submit_reg = i915->uncore.regs +
@@ -2509,50 +2517,6 @@ static int logical_ring_init(struct intel_engine_cs
*engine)
return 0;
}
-int logical_render_ring_init(struct intel_engine_cs *engine)
-{
- int ret;
-
- ret = logical_ring_setup(engine);
- if (ret)
- return ret;
-
- /* Override some for render ring. */
- engine->init_context = gen8_init_rcs_context;
- engine->emit_flush = gen8_emit_flush_render;
- engine->emit_fini_breadcrumb = gen8_emit_fini_breadcrumb_rcs;
-
- ret = logical_ring_init(engine);
- if (ret)
- return ret;
-
- ret = intel_init_workaround_bb(engine);
- if (ret) {
- /*
- * We continue even if we fail to initialize WA batch
- * because we only expect rare glitches but nothing
- * critical to prevent us from using GPU
- */
- DRM_ERROR("WA batch buffer initialization failed: %d\n",
- ret);
- }
-
- intel_engine_init_whitelist(engine);
-
- return 0;
-}
-
-int logical_xcs_ring_init(struct intel_engine_cs *engine)
-{
- int err;
-
- err = logical_ring_setup(engine);
- if (err)
- return err;
-
- return logical_ring_init(engine);
-}
-
static u32 intel_lr_indirect_ctx_offset(struct intel_engine_cs *engine)
{
u32 indirect_ctx_offset;
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.h
b/drivers/gpu/drm/i915/gt/intel_lrc.h
index 1a33ec74af8c..a0dc907a7249 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.h
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.h
@@ -66,8 +66,9 @@ enum {
/* Logical Rings */
void intel_logical_ring_cleanup(struct intel_engine_cs *engine);
-int logical_render_ring_init(struct intel_engine_cs *engine);
-int logical_xcs_ring_init(struct intel_engine_cs *engine);
+
+int intel_execlists_submission_setup(struct intel_engine_cs *engine);
+int intel_execlists_submission_init(struct intel_engine_cs *engine);
/* Logical Ring Contexts */
diff --git a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
index b791da2711e0..5bcd3034a101 100644
--- a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
@@ -1520,54 +1520,6 @@ static const struct intel_context_ops ring_context_ops =
{
.destroy = ring_context_destroy,
};
-static int intel_init_ring_buffer(struct intel_engine_cs *engine)
-{
- struct i915_timeline *timeline;
- struct intel_ring *ring;
- int err;
-
- err = intel_engine_setup_common(engine);
- if (err)
- return err;
-
- timeline = i915_timeline_create(engine->i915, engine->status_page.vma);
- if (IS_ERR(timeline)) {
- err = PTR_ERR(timeline);
- goto err;
- }
- GEM_BUG_ON(timeline->has_initial_breadcrumb);
-
- ring = intel_engine_create_ring(engine, timeline, 32 * PAGE_SIZE);
- i915_timeline_put(timeline);
- if (IS_ERR(ring)) {
- err = PTR_ERR(ring);
- goto err;
- }
-
- err = intel_ring_pin(ring);
- if (err)
- goto err_ring;
-
- GEM_BUG_ON(engine->buffer);
- engine->buffer = ring;
-
- err = intel_engine_init_common(engine);
- if (err)
- goto err_unpin;
-
- GEM_BUG_ON(ring->timeline->hwsp_ggtt != engine->status_page.vma);
-
- return 0;
-
-err_unpin:
- intel_ring_unpin(ring);
-err_ring:
- intel_ring_put(ring);
-err:
- intel_engine_cleanup_common(engine);
- return err;
-}
-
void intel_engine_cleanup(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
@@ -2163,24 +2115,6 @@ static int gen6_ring_flush(struct i915_request *rq, u32
mode)
return gen6_flush_dw(rq, mode, MI_INVALIDATE_TLB);
}
-static void intel_ring_init_irq(struct drm_i915_private *dev_priv,
- struct intel_engine_cs *engine)
-{
- if (INTEL_GEN(dev_priv) >= 6) {
- engine->irq_enable = gen6_irq_enable;
- engine->irq_disable = gen6_irq_disable;
- } else if (INTEL_GEN(dev_priv) >= 5) {
- engine->irq_enable = gen5_irq_enable;
- engine->irq_disable = gen5_irq_disable;
- } else if (INTEL_GEN(dev_priv) >= 3) {
- engine->irq_enable = i9xx_irq_enable;
- engine->irq_disable = i9xx_irq_disable;
- } else {
- engine->irq_enable = i8xx_irq_enable;
- engine->irq_disable = i8xx_irq_disable;
- }
-}
-
static void i9xx_set_default_submission(struct intel_engine_cs *engine)
{
engine->submit_request = i9xx_submit_request;
@@ -2196,13 +2130,33 @@ static void gen6_bsd_set_default_submission(struct
intel_engine_cs *engine)
engine->submit_request = gen6_bsd_submit_request;
}
-static void intel_ring_default_vfuncs(struct drm_i915_private *dev_priv,
- struct intel_engine_cs *engine)
+static void setup_irq(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *i915 = engine->i915;
+
+ if (INTEL_GEN(i915) >= 6) {
+ engine->irq_enable = gen6_irq_enable;
+ engine->irq_disable = gen6_irq_disable;
+ } else if (INTEL_GEN(i915) >= 5) {
+ engine->irq_enable = gen5_irq_enable;
+ engine->irq_disable = gen5_irq_disable;
+ } else if (INTEL_GEN(i915) >= 3) {
+ engine->irq_enable = i9xx_irq_enable;
+ engine->irq_disable = i9xx_irq_disable;
+ } else {
+ engine->irq_enable = i8xx_irq_enable;
+ engine->irq_disable = i8xx_irq_disable;
+ }
+}
+
+static void setup_common(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *i915 = engine->i915;
+
/* gen8+ are only supported with execlists */
- GEM_BUG_ON(INTEL_GEN(dev_priv) >= 8);
+ GEM_BUG_ON(INTEL_GEN(i915) >= 8);
- intel_ring_init_irq(dev_priv, engine);
+ setup_irq(engine);
engine->resume = xcs_resume;
engine->reset.prepare = reset_prepare;
@@ -2218,117 +2172,96 @@ static void intel_ring_default_vfuncs(struct
drm_i915_private *dev_priv,
* engine->emit_init_breadcrumb().
*/
engine->emit_fini_breadcrumb = i9xx_emit_breadcrumb;
- if (IS_GEN(dev_priv, 5))
+ if (IS_GEN(i915, 5))
engine->emit_fini_breadcrumb = gen5_emit_breadcrumb;
engine->set_default_submission = i9xx_set_default_submission;
- if (INTEL_GEN(dev_priv) >= 6)
+ if (INTEL_GEN(i915) >= 6)
engine->emit_bb_start = gen6_emit_bb_start;
- else if (INTEL_GEN(dev_priv) >= 4)
+ else if (INTEL_GEN(i915) >= 4)
engine->emit_bb_start = i965_emit_bb_start;
- else if (IS_I830(dev_priv) || IS_I845G(dev_priv))
+ else if (IS_I830(i915) || IS_I845G(i915))
engine->emit_bb_start = i830_emit_bb_start;
else
engine->emit_bb_start = i915_emit_bb_start;
}
-int intel_init_render_ring_buffer(struct intel_engine_cs *engine)
+static void setup_rcs(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->i915;
- int ret;
-
- intel_ring_default_vfuncs(dev_priv, engine);
+ struct drm_i915_private *i915 = engine->i915;
- if (HAS_L3_DPF(dev_priv))
+ if (HAS_L3_DPF(i915))
engine->irq_keep_mask = GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
- if (INTEL_GEN(dev_priv) >= 7) {
+ if (INTEL_GEN(i915) >= 7) {
engine->init_context = intel_rcs_ctx_init;
engine->emit_flush = gen7_render_ring_flush;
engine->emit_fini_breadcrumb = gen7_rcs_emit_breadcrumb;
- } else if (IS_GEN(dev_priv, 6)) {
+ } else if (IS_GEN(i915, 6)) {
engine->init_context = intel_rcs_ctx_init;
engine->emit_flush = gen6_render_ring_flush;
engine->emit_fini_breadcrumb = gen6_rcs_emit_breadcrumb;
- } else if (IS_GEN(dev_priv, 5)) {
+ } else if (IS_GEN(i915, 5)) {
engine->emit_flush = gen4_render_ring_flush;
} else {
- if (INTEL_GEN(dev_priv) < 4)
+ if (INTEL_GEN(i915) < 4)
engine->emit_flush = gen2_render_ring_flush;
else
engine->emit_flush = gen4_render_ring_flush;
engine->irq_enable_mask = I915_USER_INTERRUPT;
}
- if (IS_HASWELL(dev_priv))
+ if (IS_HASWELL(i915))
engine->emit_bb_start = hsw_emit_bb_start;
engine->resume = rcs_resume;
-
- ret = intel_init_ring_buffer(engine);
- if (ret)
- return ret;
-
- return 0;
}
-int intel_init_bsd_ring_buffer(struct intel_engine_cs *engine)
+static void setup_vcs(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->i915;
-
- intel_ring_default_vfuncs(dev_priv, engine);
+ struct drm_i915_private *i915 = engine->i915;
- if (INTEL_GEN(dev_priv) >= 6) {
+ if (INTEL_GEN(i915) >= 6) {
/* gen6 bsd needs a special wa for tail updates */
- if (IS_GEN(dev_priv, 6))
+ if (IS_GEN(i915, 6))
engine->set_default_submission =
gen6_bsd_set_default_submission;
engine->emit_flush = gen6_bsd_ring_flush;
engine->irq_enable_mask = GT_BSD_USER_INTERRUPT;
- if (IS_GEN(dev_priv, 6))
+ if (IS_GEN(i915, 6))
engine->emit_fini_breadcrumb = gen6_xcs_emit_breadcrumb;
else
engine->emit_fini_breadcrumb = gen7_xcs_emit_breadcrumb;
} else {
engine->emit_flush = bsd_ring_flush;
- if (IS_GEN(dev_priv, 5))
+ if (IS_GEN(i915, 5))
engine->irq_enable_mask = ILK_BSD_USER_INTERRUPT;
else
engine->irq_enable_mask = I915_BSD_USER_INTERRUPT;
}
-
- return intel_init_ring_buffer(engine);
}
-int intel_init_blt_ring_buffer(struct intel_engine_cs *engine)
+static void setup_bcs(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->i915;
-
- GEM_BUG_ON(INTEL_GEN(dev_priv) < 6);
-
- intel_ring_default_vfuncs(dev_priv, engine);
+ struct drm_i915_private *i915 = engine->i915;
engine->emit_flush = gen6_ring_flush;
engine->irq_enable_mask = GT_BLT_USER_INTERRUPT;
- if (IS_GEN(dev_priv, 6))
+ if (IS_GEN(i915, 6))
engine->emit_fini_breadcrumb = gen6_xcs_emit_breadcrumb;
else
engine->emit_fini_breadcrumb = gen7_xcs_emit_breadcrumb;
-
- return intel_init_ring_buffer(engine);
}
-int intel_init_vebox_ring_buffer(struct intel_engine_cs *engine)
+static void setup_vecs(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->i915;
-
- GEM_BUG_ON(INTEL_GEN(dev_priv) < 7);
+ struct drm_i915_private *i915 = engine->i915;
- intel_ring_default_vfuncs(dev_priv, engine);
+ GEM_BUG_ON(INTEL_GEN(i915) < 7);
engine->emit_flush = gen6_ring_flush;
engine->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
@@ -2336,6 +2269,73 @@ int intel_init_vebox_ring_buffer(struct intel_engine_cs
*engine)
engine->irq_disable = hsw_vebox_irq_disable;
engine->emit_fini_breadcrumb = gen7_xcs_emit_breadcrumb;
+}
+
+int intel_ring_submission_setup(struct intel_engine_cs *engine)
+{
+ setup_common(engine);
+
+ switch (engine->class) {
+ case RENDER_CLASS:
+ setup_rcs(engine);
+ break;
+ case VIDEO_DECODE_CLASS:
+ setup_vcs(engine);
+ break;
+ case COPY_ENGINE_CLASS:
+ setup_bcs(engine);
+ break;
+ case VIDEO_ENHANCEMENT_CLASS:
+ setup_vecs(engine);
+ break;
+ default:
+ MISSING_CASE(engine->class);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+int intel_ring_submission_init(struct intel_engine_cs *engine)
+{
+ struct i915_timeline *timeline;
+ struct intel_ring *ring;
+ int err;
- return intel_init_ring_buffer(engine);
+ timeline = i915_timeline_create(engine->i915, engine->status_page.vma);
+ if (IS_ERR(timeline)) {
+ err = PTR_ERR(timeline);
+ goto err;
+ }
+ GEM_BUG_ON(timeline->has_initial_breadcrumb);
+
+ ring = intel_engine_create_ring(engine, timeline, 32 * PAGE_SIZE);
+ i915_timeline_put(timeline);
+ if (IS_ERR(ring)) {
+ err = PTR_ERR(ring);
+ goto err;
+ }
+
+ err = intel_ring_pin(ring);
+ if (err)
+ goto err_ring;
+
+ GEM_BUG_ON(engine->buffer);
+ engine->buffer = ring;
+
+ err = intel_engine_init_common(engine);
+ if (err)
+ goto err_unpin;
+
+ GEM_BUG_ON(ring->timeline->hwsp_ggtt != engine->status_page.vma);
+
+ return 0;
+
+err_unpin:
+ intel_ring_unpin(ring);
+err_ring:
+ intel_ring_put(ring);
+err:
+ intel_engine_cleanup_common(engine);
+ return err;
}
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 364696221fd7..5751446a4b0b 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1077,7 +1077,8 @@ void intel_engine_init_whitelist(struct intel_engine_cs
*engine)
struct drm_i915_private *i915 = engine->i915;
struct i915_wa_list *w = &engine->whitelist;
- GEM_BUG_ON(engine->id != RCS0);
+ if (engine->class != RENDER_CLASS)
+ return;
wa_init_start(w, "whitelist");
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c
b/drivers/gpu/drm/i915/gt/mock_engine.c
index 21f413ff5b8e..85cdbfe1d989 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -239,7 +239,6 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private
*i915,
int id)
{
struct mock_engine *engine;
- int err;
GEM_BUG_ON(id >= I915_NUM_ENGINES);
@@ -265,37 +264,44 @@ struct intel_engine_cs *mock_engine(struct
drm_i915_private *i915,
engine->base.reset.finish = mock_reset_finish;
engine->base.cancel_requests = mock_cancel_requests;
- if (i915_timeline_init(i915, &engine->base.timeline, NULL))
- goto err_free;
- i915_timeline_set_subclass(&engine->base.timeline, TIMELINE_ENGINE);
-
- intel_engine_init_breadcrumbs(&engine->base);
- intel_engine_init_execlists(&engine->base);
- intel_engine_init__pm(&engine->base);
-
/* fake hw queue */
spin_lock_init(&engine->hw_lock);
timer_setup(&engine->hw_delay, hw_delay_complete, 0);
INIT_LIST_HEAD(&engine->hw_queue);
- engine->base.kernel_context =
- intel_context_instance(i915->kernel_context, &engine->base);
- if (IS_ERR(engine->base.kernel_context))
+ return &engine->base;
+}
+
+int mock_engine_init(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *i915 = engine->i915;
+ int err;
+
+ intel_engine_init_breadcrumbs(engine);
+ intel_engine_init_execlists(engine);
+ intel_engine_init__pm(engine);
+
+ if (i915_timeline_init(i915, &engine->timeline, NULL))
goto err_breadcrumbs;
+ i915_timeline_set_subclass(&engine->timeline, TIMELINE_ENGINE);
+
+ engine->kernel_context =
+ intel_context_instance(i915->kernel_context, engine);
+ if (IS_ERR(engine->kernel_context))
+ goto err_timeline;
- err = intel_context_pin(engine->base.kernel_context);
- intel_context_put(engine->base.kernel_context);
+ err = intel_context_pin(engine->kernel_context);
+ intel_context_put(engine->kernel_context);
if (err)
- goto err_breadcrumbs;
+ goto err_timeline;
- return &engine->base;
+ return 0;
+err_timeline:
+ i915_timeline_fini(&engine->timeline);
err_breadcrumbs:
- intel_engine_fini_breadcrumbs(&engine->base);
- i915_timeline_fini(&engine->base.timeline);
-err_free:
- kfree(engine);
- return NULL;
+ intel_engine_fini_breadcrumbs(engine);
+ return -ENOMEM;
}
void mock_engine_flush(struct intel_engine_cs *engine)
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.h
b/drivers/gpu/drm/i915/gt/mock_engine.h
index 44b35a85e9d1..3f9b698c49d2 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.h
+++ b/drivers/gpu/drm/i915/gt/mock_engine.h
@@ -42,6 +42,8 @@ struct mock_engine {
struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
const char *name,
int id);
+int mock_engine_init(struct intel_engine_cs *engine);
+
void mock_engine_flush(struct intel_engine_cs *engine);
void mock_engine_reset(struct intel_engine_cs *engine);
void mock_engine_free(struct intel_engine_cs *engine);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 54f27cabae2a..08c66e76d712 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4517,6 +4517,12 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
goto err_ggtt;
}
+ ret = intel_engines_setup(dev_priv);
+ if (ret) {
+ GEM_BUG_ON(ret == -EIO);
+ goto err_unlock;
+ }
+
ret = i915_gem_contexts_init(dev_priv);
if (ret) {
GEM_BUG_ON(ret == -EIO);
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index c072424c6b7c..e4033d0576c4 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -209,12 +209,16 @@ struct drm_i915_private *mock_gem_device(void)
mock_init_ggtt(i915, &i915->ggtt);
mkwrite_device_info(i915)->engine_mask = BIT(0);
- i915->kernel_context = mock_context(i915, NULL);
- if (!i915->kernel_context)
- goto err_unlock;
i915->engine[RCS0] = mock_engine(i915, "mock", RCS0);
if (!i915->engine[RCS0])
+ goto err_unlock;
+
+ i915->kernel_context = mock_context(i915, NULL);
+ if (!i915->kernel_context)
+ goto err_engine;
+
+ if (mock_engine_init(i915->engine[RCS0]))
goto err_context;
mutex_unlock(&i915->drm.struct_mutex);
@@ -225,6 +229,8 @@ struct drm_i915_private *mock_gem_device(void)
err_context:
i915_gem_contexts_fini(i915);
+err_engine:
+ mock_engine_free(i915->engine[RCS0]);
err_unlock:
mutex_unlock(&i915->drm.struct_mutex);
i915_timelines_fini(i915);
--
2.20.1
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