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path: root/drivers/gpu/drm/i915/i915_gem_context.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_context.c95
1 files changed, 52 insertions, 43 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index d72db15afa0..3ffe308d589 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -178,7 +178,7 @@ static int get_context_size(struct drm_device *dev)
void i915_gem_context_free(struct kref *ctx_ref)
{
- struct i915_hw_context *ctx = container_of(ctx_ref,
+ struct intel_context *ctx = container_of(ctx_ref,
typeof(*ctx), ref);
struct i915_hw_ppgtt *ppgtt = NULL;
@@ -199,7 +199,7 @@ void i915_gem_context_free(struct kref *ctx_ref)
}
static struct i915_hw_ppgtt *
-create_vm_for_ctx(struct drm_device *dev, struct i915_hw_context *ctx)
+create_vm_for_ctx(struct drm_device *dev, struct intel_context *ctx)
{
struct i915_hw_ppgtt *ppgtt;
int ret;
@@ -218,12 +218,12 @@ create_vm_for_ctx(struct drm_device *dev, struct i915_hw_context *ctx)
return ppgtt;
}
-static struct i915_hw_context *
+static struct intel_context *
__create_hw_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_hw_context *ctx;
+ struct intel_context *ctx;
int ret;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
@@ -240,7 +240,15 @@ __create_hw_context(struct drm_device *dev,
goto err_out;
}
- if (INTEL_INFO(dev)->gen >= 7) {
+ /*
+ * Try to make the context utilize L3 as well as LLC.
+ *
+ * On VLV we don't have L3 controls in the PTEs so we
+ * shouldn't touch the cache level, especially as that
+ * would make the object snooped which might have a
+ * negative performance impact.
+ */
+ if (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev)) {
ret = i915_gem_object_set_cache_level(ctx->obj,
I915_CACHE_L3_LLC);
/* Failure shouldn't ever happen this early */
@@ -277,14 +285,14 @@ err_out:
* context state of the GPU for applications that don't utilize HW contexts, as
* well as an idle case.
*/
-static struct i915_hw_context *
+static struct intel_context *
i915_gem_create_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv,
bool create_vm)
{
const bool is_global_default_ctx = file_priv == NULL;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_hw_context *ctx;
+ struct intel_context *ctx;
int ret = 0;
BUG_ON(!mutex_is_locked(&dev->struct_mutex));
@@ -356,8 +364,8 @@ void i915_gem_context_reset(struct drm_device *dev)
/* Prevent the hardware from restoring the last context (which hung) on
* the next switch */
for (i = 0; i < I915_NUM_RINGS; i++) {
- struct intel_ring_buffer *ring = &dev_priv->ring[i];
- struct i915_hw_context *dctx = ring->default_context;
+ struct intel_engine_cs *ring = &dev_priv->ring[i];
+ struct intel_context *dctx = ring->default_context;
/* Do a fake switch to the default context */
if (ring->last_context == dctx)
@@ -383,7 +391,7 @@ void i915_gem_context_reset(struct drm_device *dev)
int i915_gem_context_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_hw_context *ctx;
+ struct intel_context *ctx;
int i;
/* Init should only be called once per module load. Eventually the
@@ -418,7 +426,7 @@ int i915_gem_context_init(struct drm_device *dev)
void i915_gem_context_fini(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_hw_context *dctx = dev_priv->ring[RCS].default_context;
+ struct intel_context *dctx = dev_priv->ring[RCS].default_context;
int i;
if (dctx->obj) {
@@ -441,10 +449,12 @@ void i915_gem_context_fini(struct drm_device *dev)
i915_gem_context_unreference(dctx);
dev_priv->ring[RCS].last_context = NULL;
}
+
+ i915_gem_object_ggtt_unpin(dctx->obj);
}
for (i = 0; i < I915_NUM_RINGS; i++) {
- struct intel_ring_buffer *ring = &dev_priv->ring[i];
+ struct intel_engine_cs *ring = &dev_priv->ring[i];
if (ring->last_context)
i915_gem_context_unreference(ring->last_context);
@@ -453,13 +463,12 @@ void i915_gem_context_fini(struct drm_device *dev)
ring->last_context = NULL;
}
- i915_gem_object_ggtt_unpin(dctx->obj);
i915_gem_context_unreference(dctx);
}
int i915_gem_context_enable(struct drm_i915_private *dev_priv)
{
- struct intel_ring_buffer *ring;
+ struct intel_engine_cs *ring;
int ret, i;
/* This is the only place the aliasing PPGTT gets enabled, which means
@@ -486,11 +495,7 @@ int i915_gem_context_enable(struct drm_i915_private *dev_priv)
static int context_idr_cleanup(int id, void *p, void *data)
{
- struct i915_hw_context *ctx = p;
-
- /* Ignore the default context because close will handle it */
- if (i915_gem_context_is_default(ctx))
- return 0;
+ struct intel_context *ctx = p;
i915_gem_context_unreference(ctx);
return 0;
@@ -499,17 +504,17 @@ static int context_idr_cleanup(int id, void *p, void *data)
int i915_gem_context_open(struct drm_device *dev, struct drm_file *file)
{
struct drm_i915_file_private *file_priv = file->driver_priv;
+ struct intel_context *ctx;
idr_init(&file_priv->context_idr);
mutex_lock(&dev->struct_mutex);
- file_priv->private_default_ctx =
- i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
+ ctx = i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
mutex_unlock(&dev->struct_mutex);
- if (IS_ERR(file_priv->private_default_ctx)) {
+ if (IS_ERR(ctx)) {
idr_destroy(&file_priv->context_idr);
- return PTR_ERR(file_priv->private_default_ctx);
+ return PTR_ERR(ctx);
}
return 0;
@@ -521,16 +526,14 @@ void i915_gem_context_close(struct drm_device *dev, struct drm_file *file)
idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL);
idr_destroy(&file_priv->context_idr);
-
- i915_gem_context_unreference(file_priv->private_default_ctx);
}
-struct i915_hw_context *
+struct intel_context *
i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id)
{
- struct i915_hw_context *ctx;
+ struct intel_context *ctx;
- ctx = (struct i915_hw_context *)idr_find(&file_priv->context_idr, id);
+ ctx = (struct intel_context *)idr_find(&file_priv->context_idr, id);
if (!ctx)
return ERR_PTR(-ENOENT);
@@ -538,8 +541,8 @@ i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id)
}
static inline int
-mi_set_context(struct intel_ring_buffer *ring,
- struct i915_hw_context *new_context,
+mi_set_context(struct intel_engine_cs *ring,
+ struct intel_context *new_context,
u32 hw_flags)
{
int ret;
@@ -549,7 +552,7 @@ mi_set_context(struct intel_ring_buffer *ring,
* explicitly, so we rely on the value at ring init, stored in
* itlb_before_ctx_switch.
*/
- if (IS_GEN6(ring->dev) && ring->itlb_before_ctx_switch) {
+ if (IS_GEN6(ring->dev)) {
ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, 0);
if (ret)
return ret;
@@ -559,8 +562,8 @@ mi_set_context(struct intel_ring_buffer *ring,
if (ret)
return ret;
- /* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw */
- if (IS_GEN7(ring->dev))
+ /* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw,bdw,chv */
+ if (INTEL_INFO(ring->dev)->gen >= 7)
intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_DISABLE);
else
intel_ring_emit(ring, MI_NOOP);
@@ -578,7 +581,7 @@ mi_set_context(struct intel_ring_buffer *ring,
*/
intel_ring_emit(ring, MI_NOOP);
- if (IS_GEN7(ring->dev))
+ if (INTEL_INFO(ring->dev)->gen >= 7)
intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_ENABLE);
else
intel_ring_emit(ring, MI_NOOP);
@@ -588,11 +591,11 @@ mi_set_context(struct intel_ring_buffer *ring,
return ret;
}
-static int do_switch(struct intel_ring_buffer *ring,
- struct i915_hw_context *to)
+static int do_switch(struct intel_engine_cs *ring,
+ struct intel_context *to)
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
- struct i915_hw_context *from = ring->last_context;
+ struct intel_context *from = ring->last_context;
struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(to);
u32 hw_flags = 0;
int ret, i;
@@ -693,13 +696,19 @@ static int do_switch(struct intel_ring_buffer *ring,
i915_gem_context_unreference(from);
}
- to->is_initialized = true;
-
done:
i915_gem_context_reference(to);
ring->last_context = to;
to->last_ring = ring;
+ if (ring->id == RCS && !to->is_initialized && from == NULL) {
+ ret = i915_gem_render_state_init(ring);
+ if (ret)
+ DRM_ERROR("init render state: %d\n", ret);
+ }
+
+ to->is_initialized = true;
+
return 0;
unpin_out:
@@ -718,8 +727,8 @@ unpin_out:
* it will have a refoucnt > 1. This allows us to destroy the context abstract
* object while letting the normal object tracking destroy the backing BO.
*/
-int i915_switch_context(struct intel_ring_buffer *ring,
- struct i915_hw_context *to)
+int i915_switch_context(struct intel_engine_cs *ring,
+ struct intel_context *to)
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
@@ -748,7 +757,7 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
{
struct drm_i915_gem_context_create *args = data;
struct drm_i915_file_private *file_priv = file->driver_priv;
- struct i915_hw_context *ctx;
+ struct intel_context *ctx;
int ret;
if (!hw_context_enabled(dev))
@@ -774,7 +783,7 @@ int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
{
struct drm_i915_gem_context_destroy *args = data;
struct drm_i915_file_private *file_priv = file->driver_priv;
- struct i915_hw_context *ctx;
+ struct intel_context *ctx;
int ret;
if (args->ctx_id == DEFAULT_CONTEXT_ID)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 15:26:02 +0000