drm/i915/gvt: Fix shadow context descriptor

[linux.git] / drivers / gpu / drm / i915 / gvt / scheduler.c

diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index 3fbcd9db65b9a8470c4d5fb9e6896d25e7c9a2be..d6b6d0efdd1aeef15463e9504a4054ff3f2c3f8f 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -169,7 +169,8 @@ static int dispatch_workload(struct intel_vgpu_workload *workload)
        gvt_dbg_sched("ring id %d prepare to dispatch workload %p\n",
                ring_id, workload);
 
-       shadow_ctx->desc_template = workload->ctx_desc.addressing_mode <<
+       shadow_ctx->desc_template &= ~(0x3 << GEN8_CTX_ADDRESSING_MODE_SHIFT);
+       shadow_ctx->desc_template |= workload->ctx_desc.addressing_mode <<
                                    GEN8_CTX_ADDRESSING_MODE_SHIFT;
 
        mutex_lock(&dev_priv->drm.struct_mutex);