drm/i915/gvt: Constify intel_gvt_sched_policy_ops

These are never modified, so make them const to allow the compiler to
put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20211204105527.15741-5-rikard.falkeborn@gmail.com
Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>

diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c
index 036b74f..c077fb4 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/sched_policy.c
+++ b/drivers/gpu/drm/i915/gvt/sched_policy.c
@@ -368,7 +368,7 @@ static void tbs_sched_stop_schedule(struct intel_vgpu *vgpu)
        vgpu_data->active = false;
 }
 
-static struct intel_gvt_sched_policy_ops tbs_schedule_ops = {
+static const struct intel_gvt_sched_policy_ops tbs_schedule_ops = {
        .init = tbs_sched_init,
        .clean = tbs_sched_clean,
        .init_vgpu = tbs_sched_init_vgpu,

diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index 7c86984..1f391b3 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -56,7 +56,7 @@ struct intel_gvt_workload_scheduler {
        wait_queue_head_t waitq[I915_NUM_ENGINES];
 
        void *sched_data;
-       struct intel_gvt_sched_policy_ops *sched_ops;
+       const struct intel_gvt_sched_policy_ops *sched_ops;
 };
 
 #define INDIRECT_CTX_ADDR_MASK 0xffffffc0