mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
93b69c0482
The last use of live_context_for_engine() was removed in 2021 by
commit 99919be74a ("drm/i915/gem: Zap the i915_gem_object_blt code")
Remove it.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250125003846.228514-1-linux@treblig.org
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
142 lines
2.7 KiB
C
142 lines
2.7 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2016 Intel Corporation
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*/
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#include "i915_file_private.h"
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#include "mock_context.h"
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#include "selftests/mock_drm.h"
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#include "selftests/mock_gtt.h"
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struct i915_gem_context *
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mock_context(struct drm_i915_private *i915,
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const char *name)
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{
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struct i915_gem_context *ctx;
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struct i915_gem_engines *e;
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struct intel_sseu null_sseu = {};
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ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
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if (!ctx)
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return NULL;
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kref_init(&ctx->ref);
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INIT_LIST_HEAD(&ctx->link);
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ctx->i915 = i915;
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INIT_WORK(&ctx->release_work, i915_gem_context_release_work);
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mutex_init(&ctx->mutex);
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spin_lock_init(&ctx->stale.lock);
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INIT_LIST_HEAD(&ctx->stale.engines);
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i915_gem_context_set_persistence(ctx);
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if (name) {
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struct i915_ppgtt *ppgtt;
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strscpy(ctx->name, name, sizeof(ctx->name));
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ppgtt = mock_ppgtt(i915, name);
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if (!ppgtt)
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goto err_free;
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ctx->vm = &ppgtt->vm;
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}
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mutex_init(&ctx->engines_mutex);
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e = default_engines(ctx, null_sseu);
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if (IS_ERR(e))
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goto err_vm;
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RCU_INIT_POINTER(ctx->engines, e);
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INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
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mutex_init(&ctx->lut_mutex);
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return ctx;
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err_vm:
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if (ctx->vm)
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i915_vm_put(ctx->vm);
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err_free:
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kfree(ctx);
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return NULL;
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}
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void mock_context_close(struct i915_gem_context *ctx)
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{
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context_close(ctx);
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}
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void mock_init_contexts(struct drm_i915_private *i915)
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{
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init_contexts(&i915->gem.contexts);
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}
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struct i915_gem_context *
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live_context(struct drm_i915_private *i915, struct file *file)
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{
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struct drm_i915_file_private *fpriv = to_drm_file(file)->driver_priv;
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struct i915_gem_proto_context *pc;
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struct i915_gem_context *ctx;
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int err;
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u32 id;
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pc = proto_context_create(fpriv, i915, 0);
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if (IS_ERR(pc))
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return ERR_CAST(pc);
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ctx = i915_gem_create_context(i915, pc);
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proto_context_close(i915, pc);
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if (IS_ERR(ctx))
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return ctx;
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i915_gem_context_set_no_error_capture(ctx);
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err = xa_alloc(&fpriv->context_xa, &id, NULL, xa_limit_32b, GFP_KERNEL);
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if (err < 0)
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goto err_ctx;
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gem_context_register(ctx, fpriv, id);
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return ctx;
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err_ctx:
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context_close(ctx);
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return ERR_PTR(err);
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}
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struct i915_gem_context *
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kernel_context(struct drm_i915_private *i915,
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struct i915_address_space *vm)
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{
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struct i915_gem_context *ctx;
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struct i915_gem_proto_context *pc;
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pc = proto_context_create(NULL, i915, 0);
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if (IS_ERR(pc))
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return ERR_CAST(pc);
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if (vm) {
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if (pc->vm)
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i915_vm_put(pc->vm);
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pc->vm = i915_vm_get(vm);
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}
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ctx = i915_gem_create_context(i915, pc);
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proto_context_close(i915, pc);
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if (IS_ERR(ctx))
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return ctx;
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i915_gem_context_clear_bannable(ctx);
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i915_gem_context_set_persistence(ctx);
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i915_gem_context_set_no_error_capture(ctx);
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return ctx;
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}
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void kernel_context_close(struct i915_gem_context *ctx)
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{
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context_close(ctx);
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}
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