Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 466 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
new file mode 100644
index 000000000..258cffe3c
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -0,0 +1,466 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ *          Alex Deucher
+ *          Jerome Glisse
+ *          Christian König
+ */
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+
+#include <drm/amdgpu_drm.h>
+
+#include "amdgpu.h"
+#include "atom.h"
+#include "amdgpu_trace.h"
+
+#define AMDGPU_IB_TEST_TIMEOUT	msecs_to_jiffies(1000)
+#define AMDGPU_IB_TEST_GFX_XGMI_TIMEOUT	msecs_to_jiffies(2000)
+
+/*
+ * IB
+ * IBs (Indirect Buffers) and areas of GPU accessible memory where
+ * commands are stored.  You can put a pointer to the IB in the
+ * command ring and the hw will fetch the commands from the IB
+ * and execute them.  Generally userspace acceleration drivers
+ * produce command buffers which are send to the kernel and
+ * put in IBs for execution by the requested ring.
+ */
+
+/**
+ * amdgpu_ib_get - request an IB (Indirect Buffer)
+ *
+ * @adev: amdgpu_device pointer
+ * @vm: amdgpu_vm pointer
+ * @size: requested IB size
+ * @pool_type: IB pool type (delayed, immediate, direct)
+ * @ib: IB object returned
+ *
+ * Request an IB (all asics).  IBs are allocated using the
+ * suballocator.
+ * Returns 0 on success, error on failure.
+ */
+int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+		  unsigned size, enum amdgpu_ib_pool_type pool_type,
+		  struct amdgpu_ib *ib)
+{
+	int r;
+
+	if (size) {
+		r = amdgpu_sa_bo_new(&adev->ib_pools[pool_type],
+				      &ib->sa_bo, size, 256);
+		if (r) {
+			dev_err(adev->dev, "failed to get a new IB (%d)\n", r);
+			return r;
+		}
+
+		ib->ptr = amdgpu_sa_bo_cpu_addr(ib->sa_bo);
+		/* flush the cache before commit the IB */
+		ib->flags = AMDGPU_IB_FLAG_EMIT_MEM_SYNC;
+
+		if (!vm)
+			ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
+	}
+
+	return 0;
+}
+
+/**
+ * amdgpu_ib_free - free an IB (Indirect Buffer)
+ *
+ * @adev: amdgpu_device pointer
+ * @ib: IB object to free
+ * @f: the fence SA bo need wait on for the ib alloation
+ *
+ * Free an IB (all asics).
+ */
+void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
+		    struct dma_fence *f)
+{
+	amdgpu_sa_bo_free(adev, &ib->sa_bo, f);
+}
+
+/**
+ * amdgpu_ib_schedule - schedule an IB (Indirect Buffer) on the ring
+ *
+ * @ring: ring index the IB is associated with
+ * @num_ibs: number of IBs to schedule
+ * @ibs: IB objects to schedule
+ * @job: job to schedule
+ * @f: fence created during this submission
+ *
+ * Schedule an IB on the associated ring (all asics).
+ * Returns 0 on success, error on failure.
+ *
+ * On SI, there are two parallel engines fed from the primary ring,
+ * the CE (Constant Engine) and the DE (Drawing Engine).  Since
+ * resource descriptors have moved to memory, the CE allows you to
+ * prime the caches while the DE is updating register state so that
+ * the resource descriptors will be already in cache when the draw is
+ * processed.  To accomplish this, the userspace driver submits two
+ * IBs, one for the CE and one for the DE.  If there is a CE IB (called
+ * a CONST_IB), it will be put on the ring prior to the DE IB.  Prior
+ * to SI there was just a DE IB.
+ */
+int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
+		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
+		       struct dma_fence **f)
+{
+	struct amdgpu_device *adev = ring->adev;
+	struct amdgpu_ib *ib = &ibs[0];
+	struct dma_fence *tmp = NULL;
+	bool need_ctx_switch;
+	unsigned patch_offset = ~0;
+	struct amdgpu_vm *vm;
+	uint64_t fence_ctx;
+	uint32_t status = 0, alloc_size;
+	unsigned fence_flags = 0;
+	bool secure;
+
+	unsigned i;
+	int r = 0;
+	bool need_pipe_sync = false;
+
+	if (num_ibs == 0)
+		return -EINVAL;
+
+	/* ring tests don't use a job */
+	if (job) {
+		vm = job->vm;
+		fence_ctx = job->base.s_fence ?
+			job->base.s_fence->scheduled.context : 0;
+	} else {
+		vm = NULL;
+		fence_ctx = 0;
+	}
+
+	if (!ring->sched.ready && !ring->is_mes_queue) {
+		dev_err(adev->dev, "couldn't schedule ib on ring <%s>\n", ring->name);
+		return -EINVAL;
+	}
+
+	if (vm && !job->vmid && !ring->is_mes_queue) {
+		dev_err(adev->dev, "VM IB without ID\n");
+		return -EINVAL;
+	}
+
+	if ((ib->flags & AMDGPU_IB_FLAGS_SECURE) &&
+	    (!ring->funcs->secure_submission_supported)) {
+		dev_err(adev->dev, "secure submissions not supported on ring <%s>\n", ring->name);
+		return -EINVAL;
+	}
+
+	alloc_size = ring->funcs->emit_frame_size + num_ibs *
+		ring->funcs->emit_ib_size;
+
+	r = amdgpu_ring_alloc(ring, alloc_size);
+	if (r) {
+		dev_err(adev->dev, "scheduling IB failed (%d).\n", r);
+		return r;
+	}
+
+	need_ctx_switch = ring->current_ctx != fence_ctx;
+	if (ring->funcs->emit_pipeline_sync && job &&
+	    ((tmp = amdgpu_sync_get_fence(&job->sched_sync)) ||
+	     (amdgpu_sriov_vf(adev) && need_ctx_switch) ||
+	     amdgpu_vm_need_pipeline_sync(ring, job))) {
+		need_pipe_sync = true;
+
+		if (tmp)
+			trace_amdgpu_ib_pipe_sync(job, tmp);
+
+		dma_fence_put(tmp);
+	}
+
+	if ((ib->flags & AMDGPU_IB_FLAG_EMIT_MEM_SYNC) && ring->funcs->emit_mem_sync)
+		ring->funcs->emit_mem_sync(ring);
+
+	if (ring->funcs->emit_wave_limit &&
+	    ring->hw_prio == AMDGPU_GFX_PIPE_PRIO_HIGH)
+		ring->funcs->emit_wave_limit(ring, true);
+
+	if (ring->funcs->insert_start)
+		ring->funcs->insert_start(ring);
+
+	if (job) {
+		r = amdgpu_vm_flush(ring, job, need_pipe_sync);
+		if (r) {
+			amdgpu_ring_undo(ring);
+			return r;
+		}
+	}
+
+	if (job && ring->funcs->init_cond_exec)
+		patch_offset = amdgpu_ring_init_cond_exec(ring);
+
+	amdgpu_device_flush_hdp(adev, ring);
+
+	if (need_ctx_switch)
+		status |= AMDGPU_HAVE_CTX_SWITCH;
+
+	if (job && ring->funcs->emit_cntxcntl) {
+		status |= job->preamble_status;
+		status |= job->preemption_status;
+		amdgpu_ring_emit_cntxcntl(ring, status);
+	}
+
+	/* Setup initial TMZiness and send it off.
+	 */
+	secure = false;
+	if (job && ring->funcs->emit_frame_cntl) {
+		secure = ib->flags & AMDGPU_IB_FLAGS_SECURE;
+		amdgpu_ring_emit_frame_cntl(ring, true, secure);
+	}
+
+	for (i = 0; i < num_ibs; ++i) {
+		ib = &ibs[i];
+
+		if (job && ring->funcs->emit_frame_cntl) {
+			if (secure != !!(ib->flags & AMDGPU_IB_FLAGS_SECURE)) {
+				amdgpu_ring_emit_frame_cntl(ring, false, secure);
+				secure = !secure;
+				amdgpu_ring_emit_frame_cntl(ring, true, secure);
+			}
+		}
+
+		amdgpu_ring_emit_ib(ring, job, ib, status);
+		status &= ~AMDGPU_HAVE_CTX_SWITCH;
+	}
+
+	if (job && ring->funcs->emit_frame_cntl)
+		amdgpu_ring_emit_frame_cntl(ring, false, secure);
+
+	amdgpu_device_invalidate_hdp(adev, ring);
+
+	if (ib->flags & AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE)
+		fence_flags |= AMDGPU_FENCE_FLAG_TC_WB_ONLY;
+
+	/* wrap the last IB with fence */
+	if (job && job->uf_addr) {
+		amdgpu_ring_emit_fence(ring, job->uf_addr, job->uf_sequence,
+				       fence_flags | AMDGPU_FENCE_FLAG_64BIT);
+	}
+
+	r = amdgpu_fence_emit(ring, f, job, fence_flags);
+	if (r) {
+		dev_err(adev->dev, "failed to emit fence (%d)\n", r);
+		if (job && job->vmid)
+			amdgpu_vmid_reset(adev, ring->funcs->vmhub, job->vmid);
+		amdgpu_ring_undo(ring);
+		return r;
+	}
+
+	if (ring->funcs->insert_end)
+		ring->funcs->insert_end(ring);
+
+	if (patch_offset != ~0 && ring->funcs->patch_cond_exec)
+		amdgpu_ring_patch_cond_exec(ring, patch_offset);
+
+	ring->current_ctx = fence_ctx;
+	if (vm && ring->funcs->emit_switch_buffer)
+		amdgpu_ring_emit_switch_buffer(ring);
+
+	if (ring->funcs->emit_wave_limit &&
+	    ring->hw_prio == AMDGPU_GFX_PIPE_PRIO_HIGH)
+		ring->funcs->emit_wave_limit(ring, false);
+
+	amdgpu_ring_commit(ring);
+	return 0;
+}
+
+/**
+ * amdgpu_ib_pool_init - Init the IB (Indirect Buffer) pool
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Initialize the suballocator to manage a pool of memory
+ * for use as IBs (all asics).
+ * Returns 0 on success, error on failure.
+ */
+int amdgpu_ib_pool_init(struct amdgpu_device *adev)
+{
+	int r, i;
+
+	if (adev->ib_pool_ready)
+		return 0;
+
+	for (i = 0; i < AMDGPU_IB_POOL_MAX; i++) {
+		r = amdgpu_sa_bo_manager_init(adev, &adev->ib_pools[i],
+					      AMDGPU_IB_POOL_SIZE,
+					      AMDGPU_GPU_PAGE_SIZE,
+					      AMDGPU_GEM_DOMAIN_GTT);
+		if (r)
+			goto error;
+	}
+	adev->ib_pool_ready = true;
+
+	return 0;
+
+error:
+	while (i--)
+		amdgpu_sa_bo_manager_fini(adev, &adev->ib_pools[i]);
+	return r;
+}
+
+/**
+ * amdgpu_ib_pool_fini - Free the IB (Indirect Buffer) pool
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Tear down the suballocator managing the pool of memory
+ * for use as IBs (all asics).
+ */
+void amdgpu_ib_pool_fini(struct amdgpu_device *adev)
+{
+	int i;
+
+	if (!adev->ib_pool_ready)
+		return;
+
+	for (i = 0; i < AMDGPU_IB_POOL_MAX; i++)
+		amdgpu_sa_bo_manager_fini(adev, &adev->ib_pools[i]);
+	adev->ib_pool_ready = false;
+}
+
+/**
+ * amdgpu_ib_ring_tests - test IBs on the rings
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Test an IB (Indirect Buffer) on each ring.
+ * If the test fails, disable the ring.
+ * Returns 0 on success, error if the primary GFX ring
+ * IB test fails.
+ */
+int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
+{
+	long tmo_gfx, tmo_mm;
+	int r, ret = 0;
+	unsigned i;
+
+	tmo_mm = tmo_gfx = AMDGPU_IB_TEST_TIMEOUT;
+	if (amdgpu_sriov_vf(adev)) {
+		/* for MM engines in hypervisor side they are not scheduled together
+		 * with CP and SDMA engines, so even in exclusive mode MM engine could
+		 * still running on other VF thus the IB TEST TIMEOUT for MM engines
+		 * under SR-IOV should be set to a long time. 8 sec should be enough
+		 * for the MM comes back to this VF.
+		 */
+		tmo_mm = 8 * AMDGPU_IB_TEST_TIMEOUT;
+	}
+
+	if (amdgpu_sriov_runtime(adev)) {
+		/* for CP & SDMA engines since they are scheduled together so
+		 * need to make the timeout width enough to cover the time
+		 * cost waiting for it coming back under RUNTIME only
+		*/
+		tmo_gfx = 8 * AMDGPU_IB_TEST_TIMEOUT;
+	} else if (adev->gmc.xgmi.hive_id) {
+		tmo_gfx = AMDGPU_IB_TEST_GFX_XGMI_TIMEOUT;
+	}
+
+	for (i = 0; i < adev->num_rings; ++i) {
+		struct amdgpu_ring *ring = adev->rings[i];
+		long tmo;
+
+		/* KIQ rings don't have an IB test because we never submit IBs
+		 * to them and they have no interrupt support.
+		 */
+		if (!ring->sched.ready || !ring->funcs->test_ib)
+			continue;
+
+		if (adev->enable_mes &&
+		    ring->funcs->type == AMDGPU_RING_TYPE_KIQ)
+			continue;
+
+		/* MM engine need more time */
+		if (ring->funcs->type == AMDGPU_RING_TYPE_UVD ||
+			ring->funcs->type == AMDGPU_RING_TYPE_VCE ||
+			ring->funcs->type == AMDGPU_RING_TYPE_UVD_ENC ||
+			ring->funcs->type == AMDGPU_RING_TYPE_VCN_DEC ||
+			ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC ||
+			ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
+			tmo = tmo_mm;
+		else
+			tmo = tmo_gfx;
+
+		r = amdgpu_ring_test_ib(ring, tmo);
+		if (!r) {
+			DRM_DEV_DEBUG(adev->dev, "ib test on %s succeeded\n",
+				      ring->name);
+			continue;
+		}
+
+		ring->sched.ready = false;
+		DRM_DEV_ERROR(adev->dev, "IB test failed on %s (%d).\n",
+			  ring->name, r);
+
+		if (ring == &adev->gfx.gfx_ring[0]) {
+			/* oh, oh, that's really bad */
+			adev->accel_working = false;
+			return r;
+
+		} else {
+			ret = r;
+		}
+	}
+	return ret;
+}
+
+/*
+ * Debugfs info
+ */
+#if defined(CONFIG_DEBUG_FS)
+
+static int amdgpu_debugfs_sa_info_show(struct seq_file *m, void *unused)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+
+	seq_printf(m, "--------------------- DELAYED --------------------- \n");
+	amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_DELAYED],
+				     m);
+	seq_printf(m, "-------------------- IMMEDIATE -------------------- \n");
+	amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_IMMEDIATE],
+				     m);
+	seq_printf(m, "--------------------- DIRECT ---------------------- \n");
+	amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_DIRECT], m);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_sa_info);
+
+#endif
+
+void amdgpu_debugfs_sa_init(struct amdgpu_device *adev)
+{
+#if defined(CONFIG_DEBUG_FS)
+	struct drm_minor *minor = adev_to_drm(adev)->primary;
+	struct dentry *root = minor->debugfs_root;
+
+	debugfs_create_file("amdgpu_sa_info", 0444, root, adev,
+			    &amdgpu_debugfs_sa_info_fops);
+
+#endif
+}