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path: root/common/recipes-kernel/linux/files/0308-drm-amdgpu-nuke-the-kernel-context.patch
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From f966a597c252ae36b89a07d7b0460449bcb680c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 11 Feb 2016 09:56:44 +0100
Subject: [PATCH 0308/1110] drm/amdgpu: nuke the kernel context
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Not used any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Kalyan Alle <kalyan.alle@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h        |  7 -------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c    | 18 +++++++-----------
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  6 ------
 drivers/gpu/drm/amd/amdgpu/amdgpu_job.c    |  5 -----
 4 files changed, 7 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 84ee4fe..e33c5a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -983,10 +983,6 @@ struct amdgpu_ctx_mgr {
 	struct idr		ctx_handles;
 };
 
-int amdgpu_ctx_init(struct amdgpu_device *adev, enum amd_sched_priority pri,
-		    struct amdgpu_ctx *ctx);
-void amdgpu_ctx_fini(struct amdgpu_ctx *ctx);
-
 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
 
@@ -2050,9 +2046,6 @@ struct amdgpu_device {
 	/* amdkfd interface */
 	struct kfd_dev          *kfd;
 
-	/* kernel conext for IB submission */
-	struct amdgpu_ctx	kernel_ctx;
-
 	struct amdgpu_virtualization virtualization;
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index f1f4b45..3b99282 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -25,8 +25,7 @@
 #include <drm/drmP.h>
 #include "amdgpu.h"
 
-int amdgpu_ctx_init(struct amdgpu_device *adev, enum amd_sched_priority pri,
-		    struct amdgpu_ctx *ctx)
+static int amdgpu_ctx_init(struct amdgpu_device *adev, struct amdgpu_ctx *ctx)
 {
 	unsigned i, j;
 	int r;
@@ -47,14 +46,11 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, enum amd_sched_priority pri,
 	}
 	/* create context entity for each ring */
 	for (i = 0; i < adev->num_rings; i++) {
+		struct amdgpu_ring *ring = adev->rings[i];
 		struct amd_sched_rq *rq;
-		if (pri >= AMD_SCHED_MAX_PRIORITY) {
-			kfree(ctx->fences);
-			return -EINVAL;
-		}
-		rq = &adev->rings[i]->sched.sched_rq[pri];
-		r = amd_sched_entity_init(&adev->rings[i]->sched,
-					  &ctx->rings[i].entity,
+
+		rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL];
+		r = amd_sched_entity_init(&ring->sched, &ctx->rings[i].entity,
 					  rq, amdgpu_sched_jobs);
 		if (r)
 			break;
@@ -70,7 +66,7 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, enum amd_sched_priority pri,
 	return 0;
 }
 
-void amdgpu_ctx_fini(struct amdgpu_ctx *ctx)
+static void amdgpu_ctx_fini(struct amdgpu_ctx *ctx)
 {
 	struct amdgpu_device *adev = ctx->adev;
 	unsigned i, j;
@@ -108,7 +104,7 @@ static int amdgpu_ctx_alloc(struct amdgpu_device *adev,
 		return r;
 	}
 	*id = (uint32_t)r;
-	r = amdgpu_ctx_init(adev, AMD_SCHED_PRIORITY_NORMAL, ctx);
+	r = amdgpu_ctx_init(adev, ctx);
 	if (r) {
 		idr_remove(&mgr->ctx_handles, *id);
 		*id = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index e70c4e9..736d560 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1551,11 +1551,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 		return r;
 	}
 
-	r = amdgpu_ctx_init(adev, AMD_SCHED_PRIORITY_KERNEL, &adev->kernel_ctx);
-	if (r) {
-		dev_err(adev->dev, "failed to create kernel context (%d).\n", r);
-		return r;
-	}
 	r = amdgpu_ib_ring_tests(adev);
 	if (r)
 		DRM_ERROR("ib ring test failed (%d).\n", r);
@@ -1619,7 +1614,6 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
 	adev->shutdown = true;
 	/* evict vram memory */
 	amdgpu_bo_evict_vram(adev);
-	amdgpu_ctx_fini(&adev->kernel_ctx);
 	amdgpu_ib_pool_fini(adev);
 	amdgpu_fence_driver_fini(adev);
 	amdgpu_fbdev_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index a16c43f..10ff227 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -83,11 +83,6 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
                       struct amd_sched_entity *entity, void *owner,
                       struct fence **f)
 {
-       struct amdgpu_device *adev = job->adev;
-       
-	if (!entity)
-               entity = &adev->kernel_ctx.rings[ring->idx].entity;
-
        job->ring = ring;
        job->base.sched = &ring->sched;
        job->base.s_entity = entity;
-- 
2.7.4