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authorChris Wilson <chris@chris-wilson.co.uk>2016-10-19 11:11:45 +0100
committerZhenyu Wang <zhenyuw@linux.intel.com>2016-10-20 17:31:34 +0800
commitbcd0aeded478f1ed6dfbbeafc3e2581c4021a99c (patch)
tree2afdf2594931fc087f4af36a16663e516cdd11f2 /drivers/gpu/drm/i915
parent66bbc3b2b16b4d15de0bd737147538bcf4d355b6 (diff)
drm/i915/gvt: Use common mapping routines for indirect_ctx object
We have the ability to map an object, so use it rather than opencode it badly. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/gvt/cmd_parser.c28
-rw-r--r--drivers/gpu/drm/i915/gvt/execlist.c2
2 files changed, 10 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index d942da9a0c8a..153943a9411e 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -2717,7 +2717,7 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx)
unsigned long guest_gma = wa_ctx->indirect_ctx.guest_gma;
struct drm_i915_gem_object *obj;
int ret = 0;
- void *dest = NULL;
+ void *map;
obj = i915_gem_object_create(dev,
roundup(ctx_size + CACHELINE_BYTES,
@@ -2725,18 +2725,12 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx)
if (IS_ERR(obj))
return PTR_ERR(obj);
- ret = i915_gem_object_get_pages(obj);
- if (ret)
- goto put_obj;
-
- i915_gem_object_pin_pages(obj);
-
/* get the va of the shadow batch buffer */
- dest = (void *)vmap_batch(obj, 0, ctx_size + CACHELINE_BYTES);
- if (!dest) {
+ map = i915_gem_object_pin_map(obj, I915_MAP_WB);
+ if (IS_ERR(map)) {
gvt_err("failed to vmap shadow indirect ctx\n");
- ret = -ENOMEM;
- goto unpin_src;
+ ret = PTR_ERR(map);
+ goto put_obj;
}
ret = i915_gem_object_set_to_cpu_domain(obj, false);
@@ -2745,25 +2739,21 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx)
goto unmap_src;
}
- wa_ctx->indirect_ctx.shadow_va = dest;
-
- memset(dest, 0, round_up(ctx_size + CACHELINE_BYTES, PAGE_SIZE));
-
ret = copy_gma_to_hva(wa_ctx->workload->vgpu,
wa_ctx->workload->vgpu->gtt.ggtt_mm,
- guest_gma, guest_gma + ctx_size, dest);
+ guest_gma, guest_gma + ctx_size,
+ map);
if (ret) {
gvt_err("fail to copy guest indirect ctx\n");
goto unmap_src;
}
wa_ctx->indirect_ctx.obj = obj;
+ wa_ctx->indirect_ctx.shadow_va = map;
return 0;
unmap_src:
- vunmap(dest);
-unpin_src:
- i915_gem_object_unpin_pages(wa_ctx->indirect_ctx.obj);
+ i915_gem_object_unpin_map(obj);
put_obj:
i915_gem_object_put(wa_ctx->indirect_ctx.obj);
return ret;
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 5534336814f0..88430ca23504 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -518,8 +518,8 @@ static void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
if (wa_ctx->indirect_ctx.size == 0)
return;
+ i915_gem_object_unpin_map(wa_ctx->indirect_ctx.obj);
i915_gem_object_put(wa_ctx->indirect_ctx.obj);
- kvfree(wa_ctx->indirect_ctx.shadow_va);
}
static int complete_execlist_workload(struct intel_vgpu_workload *workload)