summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/gvt/handlers.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/handlers.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index de394e3e9fab..bb7037c6c347 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -209,6 +209,7 @@ static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off,
static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
void *p_data, unsigned int bytes)
{
+ struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
unsigned int fence_num = offset_to_fence_num(off);
int ret;
@@ -217,8 +218,10 @@ static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
return ret;
write_vreg(vgpu, off, p_data, bytes);
+ mmio_hw_access_pre(dev_priv);
intel_vgpu_write_fence(vgpu, fence_num,
vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
+ mmio_hw_access_post(dev_priv);
return 0;
}
@@ -1265,7 +1268,10 @@ static int gen9_trtte_write(struct intel_vgpu *vgpu, unsigned int offset,
}
write_vreg(vgpu, offset, p_data, bytes);
/* TRTTE is not per-context */
+
+ mmio_hw_access_pre(dev_priv);
I915_WRITE(_MMIO(offset), vgpu_vreg(vgpu, offset));
+ mmio_hw_access_post(dev_priv);
return 0;
}
@@ -1278,7 +1284,9 @@ static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset,
if (val & 1) {
/* unblock hw logic */
+ mmio_hw_access_pre(dev_priv);
I915_WRITE(_MMIO(offset), val);
+ mmio_hw_access_post(dev_priv);
}
write_vreg(vgpu, offset, p_data, bytes);
return 0;
@@ -1405,7 +1413,9 @@ static int ring_timestamp_mmio_read(struct intel_vgpu *vgpu,
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+ mmio_hw_access_pre(dev_priv);
vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
+ mmio_hw_access_post(dev_priv);
return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
}
@@ -1414,7 +1424,9 @@ static int instdone_mmio_read(struct intel_vgpu *vgpu,
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+ mmio_hw_access_pre(dev_priv);
vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
+ mmio_hw_access_post(dev_priv);
return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
}