On 25/03/2020 23:48, Chris Wilson wrote:
We've migrated all the heavy users over to the intel_gt, and can finally
drop the last few users and with that the mirror in dev_priv->engine[].

Signed-off-by: Chris Wilson <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Cc: Andi Shyti <[email protected]>
---
  drivers/gpu/drm/i915/display/intel_overlay.c       |  2 +-
  .../gpu/drm/i915/gem/selftests/i915_gem_context.c  |  2 +-
  drivers/gpu/drm/i915/gt/intel_engine_cs.c          |  4 ----
  drivers/gpu/drm/i915/i915_drv.h                    |  1 -
  drivers/gpu/drm/i915/i915_irq.c                    |  8 ++++----
  drivers/gpu/drm/i915/selftests/i915_request.c      | 14 ++++++++++----
  drivers/gpu/drm/i915/selftests/mock_gem_device.c   |  6 +++---
  7 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c 
b/drivers/gpu/drm/i915/display/intel_overlay.c
index 481187223101..6e1d66323223 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -1342,7 +1342,7 @@ void intel_overlay_setup(struct drm_i915_private 
*dev_priv)
        if (!HAS_OVERLAY(dev_priv))
                return;
- engine = dev_priv->engine[RCS0];
+       engine = dev_priv->gt.engine[RCS0];
        if (!engine || !engine->kernel_context)
                return;
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 54b86cf7f5d2..f4f933240b39 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -1925,7 +1925,7 @@ static int mock_context_barrier(void *arg)
                goto out;
        }
- rq = igt_request_alloc(ctx, i915->engine[RCS0]);
+       rq = igt_request_alloc(ctx, i915->gt.engine[RCS0]);
        if (IS_ERR(rq)) {
                pr_err("Request allocation failed!\n");
                goto out;
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c 
b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 3aa8a652c16d..dff0bbe9e1a6 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -347,8 +347,6 @@ static int intel_engine_setup(struct intel_gt *gt, enum 
intel_engine_id id)
        gt->engine_class[info->class][info->instance] = engine;
        gt->engine[id] = engine;
- i915->engine[id] = engine;
-
        return 0;
  }
@@ -425,8 +423,6 @@ void intel_engines_release(struct intel_gt *gt)
                engine->release = NULL;
memset(&engine->reset, 0, sizeof(engine->reset));
-
-               gt->i915->engine[id] = NULL;
        }
  }
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9bcea97c39de..b09a1c929c94 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -884,7 +884,6 @@ struct drm_i915_private {
struct pci_dev *bridge_dev; - struct intel_engine_cs *engine[I915_NUM_ENGINES];
        struct rb_root uabi_engines;
struct resource mch_res;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 9f0653cf0510..1502ab44f1a5 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3658,7 +3658,7 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
                intel_uncore_write16(&dev_priv->uncore, GEN2_IIR, iir);
if (iir & I915_USER_INTERRUPT)
-                       intel_engine_signal_breadcrumbs(dev_priv->engine[RCS0]);
+                       
intel_engine_signal_breadcrumbs(dev_priv->gt.engine[RCS0]);
if (iir & I915_MASTER_ERROR_INTERRUPT)
                        i8xx_error_irq_handler(dev_priv, eir, eir_stuck);
@@ -3763,7 +3763,7 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
                I915_WRITE(GEN2_IIR, iir);
if (iir & I915_USER_INTERRUPT)
-                       intel_engine_signal_breadcrumbs(dev_priv->engine[RCS0]);
+                       
intel_engine_signal_breadcrumbs(dev_priv->gt.engine[RCS0]);
if (iir & I915_MASTER_ERROR_INTERRUPT)
                        i9xx_error_irq_handler(dev_priv, eir, eir_stuck);
@@ -3905,10 +3905,10 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
                I915_WRITE(GEN2_IIR, iir);
if (iir & I915_USER_INTERRUPT)
-                       intel_engine_signal_breadcrumbs(dev_priv->engine[RCS0]);
+                       
intel_engine_signal_breadcrumbs(dev_priv->gt.engine[RCS0]);
if (iir & I915_BSD_USER_INTERRUPT)
-                       intel_engine_signal_breadcrumbs(dev_priv->engine[VCS0]);
+                       
intel_engine_signal_breadcrumbs(dev_priv->gt.engine[VCS0]);
if (iir & I915_MASTER_ERROR_INTERRUPT)
                        i9xx_error_irq_handler(dev_priv, eir, eir_stuck);
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c 
b/drivers/gpu/drm/i915/selftests/i915_request.c
index 7ac9616de9d8..1dab0360f76a 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -28,6 +28,7 @@
  #include "gem/selftests/mock_context.h"
#include "gt/intel_engine_pm.h"
+#include "gt/intel_engine_user.h"
  #include "gt/intel_gt.h"
#include "i915_random.h"
@@ -51,6 +52,11 @@ static unsigned int num_uabi_engines(struct drm_i915_private 
*i915)
        return count;
  }
+static struct intel_engine_cs *rcs0(struct drm_i915_private *i915)
+{
+       return intel_engine_lookup_user(i915, I915_ENGINE_CLASS_RENDER, 0);
+}
+
  static int igt_add_request(void *arg)
  {
        struct drm_i915_private *i915 = arg;
@@ -58,7 +64,7 @@ static int igt_add_request(void *arg)
/* Basic preliminary test to create a request and let it loose! */ - request = mock_request(i915->engine[RCS0]->kernel_context, HZ / 10);
+       request = mock_request(rcs0(i915)->kernel_context, HZ / 10);
        if (!request)
                return -ENOMEM;
@@ -76,7 +82,7 @@ static int igt_wait_request(void *arg) /* Submit a request, then wait upon it */ - request = mock_request(i915->engine[RCS0]->kernel_context, T);
+       request = mock_request(rcs0(i915)->kernel_context, T);
        if (!request)
                return -ENOMEM;
@@ -145,7 +151,7 @@ static int igt_fence_wait(void *arg) /* Submit a request, treat it as a fence and wait upon it */ - request = mock_request(i915->engine[RCS0]->kernel_context, T);
+       request = mock_request(rcs0(i915)->kernel_context, T);
        if (!request)
                return -ENOMEM;
@@ -420,7 +426,7 @@ static int mock_breadcrumbs_smoketest(void *arg)
  {
        struct drm_i915_private *i915 = arg;
        struct smoketest t = {
-               .engine = i915->engine[RCS0],
+               .engine = rcs0(i915),
                .ncontexts = 1024,
                .max_batch = 1024,
                .request_alloc = __mock_request_alloc
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c 
b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 754d0eb6beaa..47fde54150f4 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -178,11 +178,11 @@ struct drm_i915_private *mock_gem_device(void)
mkwrite_device_info(i915)->engine_mask = BIT(0); - i915->engine[RCS0] = mock_engine(i915, "mock", RCS0);
-       if (!i915->engine[RCS0])
+       i915->gt.engine[RCS0] = mock_engine(i915, "mock", RCS0);
+       if (!i915->gt.engine[RCS0])
                goto err_unlock;
- if (mock_engine_init(i915->engine[RCS0]))
+       if (mock_engine_init(i915->gt.engine[RCS0]))
                goto err_context;
__clear_bit(I915_WEDGED, &i915->gt.reset.flags);


Reviewed-by: Tvrtko Ursulin <[email protected]>

Regards,

Tvrtko
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