diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 0b3550f050262265d68d971d1279f53889d741aa..37c2c5009d9a928ae5bc0c03353d5540b6553a66 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1961,7 +1961,7 @@ static int i915_context_status(struct seq_file *m, void *unused) seq_puts(m, "HW context "); describe_ctx(m, ctx); for_each_ring(ring, dev_priv, i) { - if (ring->default_context == ctx) + if (dev_priv->kernel_context == ctx) seq_printf(m, "(default context %s) ", ring->name); } @@ -2058,7 +2058,7 @@ static int i915_dump_lrc(struct seq_file *m, void *unused) list_for_each_entry(ctx, &dev_priv->context_list, link) { for_each_ring(ring, dev_priv, i) { - if (ring->default_context != ctx) + if (dev_priv->kernel_context != ctx) i915_dump_lrc_obj(m, ctx, ring); } } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 125659488756c5daba0eb2c2455b6fad0c36335b..840368de3f4ff763b0c74e6fbda5aedf263c9be7 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1948,6 +1948,8 @@ struct drm_i915_private { void (*stop_ring)(struct intel_engine_cs *ring); } gt; + struct intel_context *kernel_context; + bool edp_low_vswing; /* perform PHY state sanity checks? */ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8e716b6b5d59a98cf3f6a9fe1e39f1d8a8cab792..06abe1bf5afc7b0e34d94c3e9ce1f6fc07b4c7ae 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2680,7 +2680,7 @@ void i915_gem_request_free(struct kref *req_ref) if (ctx) { if (i915.enable_execlists) { - if (ctx != req->ring->default_context) + if (ctx != req->i915->kernel_context) intel_lr_context_unpin(req); } @@ -2776,7 +2776,7 @@ i915_gem_request_alloc(struct intel_engine_cs *engine, int err; if (ctx == NULL) - ctx = engine->default_context; + ctx = to_i915(engine->dev)->kernel_context; err = __i915_gem_request_alloc(engine, ctx, &req); return err ? ERR_PTR(err) : req; } @@ -4864,7 +4864,7 @@ i915_gem_init_hw(struct drm_device *dev) */ init_unused_rings(dev); - BUG_ON(!dev_priv->ring[RCS].default_context); + BUG_ON(!dev_priv->kernel_context); ret = i915_ppgtt_init_hw(dev); if (ret) { diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index c25083c78ba7c21c7cdc92ed43f62c7e499851bb..6a4f64b03db65114962b459c5d6dd69e7c1d569b 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -347,22 +347,20 @@ void i915_gem_context_reset(struct drm_device *dev) i915_gem_context_unreference(lctx); ring->last_context = NULL; } - - /* Force the GPU state to be reinitialised on enabling */ - if (ring->default_context) - ring->default_context->legacy_hw_ctx.initialized = false; } + + /* Force the GPU state to be reinitialised on enabling */ + dev_priv->kernel_context->legacy_hw_ctx.initialized = false; } int i915_gem_context_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_context *ctx; - int i; /* Init should only be called once per module load. Eventually the * restriction on the context_disabled check can be loosened. */ - if (WARN_ON(dev_priv->ring[RCS].default_context)) + if (WARN_ON(dev_priv->kernel_context)) return 0; if (intel_vgpu_active(dev) && HAS_LOGICAL_RING_CONTEXTS(dev)) { @@ -392,12 +390,7 @@ int i915_gem_context_init(struct drm_device *dev) return PTR_ERR(ctx); } - for (i = 0; i < I915_NUM_RINGS; i++) { - struct intel_engine_cs *ring = &dev_priv->ring[i]; - - /* NB: RCS will hold a ref for all rings */ - ring->default_context = ctx; - } + dev_priv->kernel_context = ctx; DRM_DEBUG_DRIVER("%s context support initialized\n", i915.enable_execlists ? "LR" : @@ -408,7 +401,7 @@ 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 intel_context *dctx = dev_priv->ring[RCS].default_context; + struct intel_context *dctx = dev_priv->kernel_context; int i; if (dctx->legacy_hw_ctx.rcs_state) { @@ -435,17 +428,17 @@ void i915_gem_context_fini(struct drm_device *dev) i915_gem_object_ggtt_unpin(dctx->legacy_hw_ctx.rcs_state); } - for (i = 0; i < I915_NUM_RINGS; i++) { + for (i = I915_NUM_RINGS; --i >= 0;) { struct intel_engine_cs *ring = &dev_priv->ring[i]; - if (ring->last_context) + if (ring->last_context) { i915_gem_context_unreference(ring->last_context); - - ring->default_context = NULL; - ring->last_context = NULL; + ring->last_context = NULL; + } } i915_gem_context_unreference(dctx); + dev_priv->kernel_context = NULL; } int i915_gem_context_enable(struct drm_i915_gem_request *req) diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 06ca4082735bc84c4ff5073bf60fb303096fce08..7eeb24427785430aa3794808d3961374fe55fc95 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1050,7 +1050,7 @@ static void i915_gem_record_rings(struct drm_device *dev, if (request) rbuf = request->ctx->engine[ring->id].ringbuf; else - rbuf = ring->default_context->engine[ring->id].ringbuf; + rbuf = dev_priv->kernel_context->engine[ring->id].ringbuf; } else rbuf = ring->buffer; diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 9c244247c13e879bb3a5c0918a4319c03f4bdc36..51ae5c1f806ddc46c945614c1d0922de4a3011ed 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -964,7 +964,7 @@ int i915_guc_submission_enable(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_guc *guc = &dev_priv->guc; - struct intel_context *ctx = dev_priv->ring[RCS].default_context; + struct intel_context *ctx = dev_priv->kernel_context; struct i915_guc_client *client; /* client for execbuf submission */ @@ -1021,7 +1021,7 @@ int intel_guc_suspend(struct drm_device *dev) if (!i915.enable_guc_submission) return 0; - ctx = dev_priv->ring[RCS].default_context; + ctx = dev_priv->kernel_context; data[0] = HOST2GUC_ACTION_ENTER_S_STATE; /* any value greater than GUC_POWER_D0 */ @@ -1047,7 +1047,7 @@ int intel_guc_resume(struct drm_device *dev) if (!i915.enable_guc_submission) return 0; - ctx = dev_priv->ring[RCS].default_context; + ctx = dev_priv->kernel_context; data[0] = HOST2GUC_ACTION_EXIT_S_STATE; data[1] = GUC_POWER_D0; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index ec2482daffa6e57447464e0e4bd552e9e2f5e7aa..2c6da4013b1a932d9d8d212e7bcb0124eed2b551 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -598,7 +598,7 @@ static int execlists_context_queue(struct drm_i915_gem_request *request) struct drm_i915_gem_request *cursor; int num_elements = 0; - if (request->ctx != ring->default_context) + if (request->ctx != request->i915->kernel_context) intel_lr_context_pin(request); i915_gem_request_reference(request); @@ -690,7 +690,7 @@ int intel_logical_ring_alloc_request_extras(struct drm_i915_gem_request *request request->ringbuf = request->ctx->engine[request->ring->id].ringbuf; - if (request->ctx != request->ring->default_context) { + if (request->ctx != request->i915->kernel_context) { ret = intel_lr_context_pin(request); if (ret) return ret; @@ -1006,7 +1006,7 @@ void intel_execlists_retire_requests(struct intel_engine_cs *ring) struct drm_i915_gem_object *ctx_obj = ctx->engine[ring->id].state; - if (ctx_obj && (ctx != ring->default_context)) + if (ctx_obj && (ctx != req->i915->kernel_context)) intel_lr_context_unpin(req); list_del(&req->execlist_link); i915_gem_request_unreference(req); @@ -1529,7 +1529,7 @@ static int gen8_init_common_ring(struct intel_engine_cs *ring) u8 next_context_status_buffer_hw; lrc_setup_hardware_status_page(ring, - ring->default_context->engine[ring->id].state); + dev_priv->kernel_context->engine[ring->id].state); I915_WRITE_IMR(ring, ~(ring->irq_enable_mask | ring->irq_keep_mask)); I915_WRITE(RING_HWSTAM(ring->mmio_base), 0xffffffff); @@ -2005,6 +2005,7 @@ logical_ring_default_irqs(struct intel_engine_cs *ring, unsigned shift) static int logical_ring_init(struct drm_device *dev, struct intel_engine_cs *ring) { + struct intel_context *dctx = to_i915(dev)->kernel_context; int ret; /* Intentionally left blank. */ @@ -2027,12 +2028,12 @@ logical_ring_init(struct drm_device *dev, struct intel_engine_cs *ring) if (ret) goto error; - ret = intel_lr_context_deferred_alloc(ring->default_context, ring); + ret = intel_lr_context_deferred_alloc(dctx, ring); if (ret) goto error; /* As this is the default context, always pin it */ - ret = intel_lr_context_do_pin(ring, ring->default_context); + ret = intel_lr_context_do_pin(ring, dctx); if (ret) { DRM_ERROR( "Failed to pin and map ringbuffer %s: %d\n", @@ -2398,7 +2399,7 @@ void intel_lr_context_free(struct intel_context *ctx) ctx->engine[i].ringbuf; struct intel_engine_cs *ring = ringbuf->ring; - if (ctx == ring->default_context) { + if (ctx == ctx->i915->kernel_context) { intel_unpin_ringbuffer_obj(ringbuf); i915_gem_object_ggtt_unpin(ctx_obj); } @@ -2517,7 +2518,7 @@ int intel_lr_context_deferred_alloc(struct intel_context *ctx, ctx->engine[ring->id].ringbuf = ringbuf; ctx->engine[ring->id].state = ctx_obj; - if (ctx != ring->default_context && ring->init_context) { + if (ctx != ctx->i915->kernel_context && ring->init_context) { struct drm_i915_gem_request *req; req = i915_gem_request_alloc(ring, ctx); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 91ac8a9bd9038bee3c13a405397a0b3426df735e..0014fcaa5a0c179458d36d0669c7ebf796a1cff0 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -309,7 +309,6 @@ struct intel_engine_cs { wait_queue_head_t irq_queue; - struct intel_context *default_context; struct intel_context *last_context; struct intel_ring_hangcheck hangcheck;