drm/i915/gvt: Move ring scan buffers into intel_vgpu_submission

Move ring scan buffers into intel_vgpu_submission since they belongs to
a part of vGPU submission stuffs.

Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>

diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index a2b970f..5b033c9 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -2604,6 +2604,7 @@ out:
 static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload)
 {
        struct intel_vgpu *vgpu = workload->vgpu;
+       struct intel_vgpu_submission *s = &vgpu->submission;
        unsigned long gma_head, gma_tail, gma_top, guest_rb_size;
        void *shadow_ring_buffer_va;
        int ring_id = workload->ring_id;
@@ -2619,21 +2620,21 @@ static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload)
        gma_tail = workload->rb_start + workload->rb_tail;
        gma_top = workload->rb_start + guest_rb_size;
 
-       if (workload->rb_len > vgpu->ring_scan_buffer_size[ring_id]) {
+       if (workload->rb_len > s->ring_scan_buffer_size[ring_id]) {
                void *p;
 
                /* realloc the new ring buffer if needed */
-               p = krealloc(vgpu->ring_scan_buffer[ring_id], workload->rb_len,
+               p = krealloc(s->ring_scan_buffer[ring_id], workload->rb_len,
                                GFP_KERNEL);
                if (!p) {
                        gvt_vgpu_err("fail to re-alloc ring scan buffer\n");
                        return -ENOMEM;
                }
-               vgpu->ring_scan_buffer[ring_id] = p;
-               vgpu->ring_scan_buffer_size[ring_id] = workload->rb_len;
+               s->ring_scan_buffer[ring_id] = p;
+               s->ring_scan_buffer_size[ring_id] = workload->rb_len;
        }
 
-       shadow_ring_buffer_va = vgpu->ring_scan_buffer[ring_id];
+       shadow_ring_buffer_va = s->ring_scan_buffer[ring_id];
 
        /* get shadow ring buffer va */
        workload->shadow_ring_buffer_va = shadow_ring_buffer_va;

diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 5e4f35f..7c7ab63 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -864,15 +864,18 @@ void intel_vgpu_clean_execlist(struct intel_vgpu *vgpu)
        clean_workloads(vgpu, ALL_ENGINES);
 
        for_each_engine(engine, vgpu->gvt->dev_priv, i) {
-               kfree(vgpu->ring_scan_buffer[i]);
-               vgpu->ring_scan_buffer[i] = NULL;
-               vgpu->ring_scan_buffer_size[i] = 0;
+               struct intel_vgpu_submission *s = &vgpu->submission;
+
+               kfree(s->ring_scan_buffer[i]);
+               s->ring_scan_buffer[i] = NULL;
+               s->ring_scan_buffer_size[i] = 0;
        }
 }
 
 #define RESERVE_RING_BUFFER_SIZE               ((1 * PAGE_SIZE)/8)
 int intel_vgpu_init_execlist(struct intel_vgpu *vgpu)
 {
+       struct intel_vgpu_submission *s = &vgpu->submission;
        enum intel_engine_id i;
        struct intel_engine_cs *engine;
 
@@ -881,21 +884,21 @@ int intel_vgpu_init_execlist(struct intel_vgpu *vgpu)
 
        /* each ring has a shadow ring buffer until vgpu destroyed */
        for_each_engine(engine, vgpu->gvt->dev_priv, i) {
-               vgpu->ring_scan_buffer[i] =
+               s->ring_scan_buffer[i] =
                        kmalloc(RESERVE_RING_BUFFER_SIZE, GFP_KERNEL);
-               if (!vgpu->ring_scan_buffer[i]) {
+               if (!s->ring_scan_buffer[i]) {
                        gvt_vgpu_err("fail to alloc ring scan buffer\n");
                        goto out;
                }
-               vgpu->ring_scan_buffer_size[i] = RESERVE_RING_BUFFER_SIZE;
+               s->ring_scan_buffer_size[i] = RESERVE_RING_BUFFER_SIZE;
        }
        return 0;
 out:
        for_each_engine(engine, vgpu->gvt->dev_priv, i) {
-               if (vgpu->ring_scan_buffer_size[i]) {
-                       kfree(vgpu->ring_scan_buffer[i]);
-                       vgpu->ring_scan_buffer[i] = NULL;
-                       vgpu->ring_scan_buffer_size[i] = 0;
+               if (s->ring_scan_buffer_size[i]) {
+                       kfree(s->ring_scan_buffer[i]);
+                       s->ring_scan_buffer[i] = NULL;
+                       s->ring_scan_buffer_size[i] = 0;
                }
        }
        return -ENOMEM;

diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 5b723fa..49fe548 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -150,6 +150,9 @@ struct intel_vgpu_submission {
        struct i915_gem_context *shadow_ctx;
        DECLARE_BITMAP(shadow_ctx_desc_updated, I915_NUM_ENGINES);
        DECLARE_BITMAP(tlb_handle_pending, I915_NUM_ENGINES);
+       /* 1/2K for each engine */
+       void *ring_scan_buffer[I915_NUM_ENGINES];
+       int ring_scan_buffer_size[I915_NUM_ENGINES];
 };
 
 struct intel_vgpu {
@@ -172,10 +175,6 @@ struct intel_vgpu {
        struct intel_vgpu_opregion opregion;
        struct intel_vgpu_display display;
        struct intel_vgpu_submission submission;
-       /* 1/2K for each engine */
-       void *ring_scan_buffer[I915_NUM_ENGINES];
-       int ring_scan_buffer_size[I915_NUM_ENGINES];
-
 
 #if IS_ENABLED(CONFIG_DRM_I915_GVT_KVMGT)
        struct {