1 files changed, 42 insertions, 6 deletions

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 2e6fc185e54d..7936e8d498dd 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -58,7 +58,7 @@ static const struct drm_mode_config_helper_funcs mode_config_helper_funcs = {
 };
 
 #ifdef CONFIG_DRM_MSM_REGISTER_LOGGING
-static bool reglog = false;
+static bool reglog;
 MODULE_PARM_DESC(reglog, "Enable register read/write logging");
 module_param(reglog, bool, 0600);
 #else
@@ -75,7 +75,7 @@ static char *vram = "16m";
 MODULE_PARM_DESC(vram, "Configure VRAM size (for devices without IOMMU/GPUMMU)");
 module_param(vram, charp, 0);
 
-bool dumpstate = false;
+bool dumpstate;
 MODULE_PARM_DESC(dumpstate, "Dump KMS state on errors");
 module_param(dumpstate, bool, 0600);
 
@@ -200,6 +200,35 @@ void msm_rmw(void __iomem *addr, u32 mask, u32 or)
 	msm_writel(val | or, addr);
 }
 
+static enum hrtimer_restart msm_hrtimer_worktimer(struct hrtimer *t)
+{
+	struct msm_hrtimer_work *work = container_of(t,
+			struct msm_hrtimer_work, timer);
+
+	kthread_queue_work(work->worker, &work->work);
+
+	return HRTIMER_NORESTART;
+}
+
+void msm_hrtimer_queue_work(struct msm_hrtimer_work *work,
+			    ktime_t wakeup_time,
+			    enum hrtimer_mode mode)
+{
+	hrtimer_start(&work->timer, wakeup_time, mode);
+}
+
+void msm_hrtimer_work_init(struct msm_hrtimer_work *work,
+			   struct kthread_worker *worker,
+			   kthread_work_func_t fn,
+			   clockid_t clock_id,
+			   enum hrtimer_mode mode)
+{
+	hrtimer_init(&work->timer, clock_id, mode);
+	work->timer.function = msm_hrtimer_worktimer;
+	work->worker = worker;
+	kthread_init_work(&work->work, fn);
+}
+
 static irqreturn_t msm_irq(int irq, void *arg)
 {
 	struct drm_device *dev = arg;
@@ -630,10 +659,11 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)
 	if (ret)
 		goto err_msm_uninit;
 
-	ret = msm_disp_snapshot_init(ddev);
-	if (ret)
-		DRM_DEV_ERROR(dev, "msm_disp_snapshot_init failed ret = %d\n", ret);
-
+	if (kms) {
+		ret = msm_disp_snapshot_init(ddev);
+		if (ret)
+			DRM_DEV_ERROR(dev, "msm_disp_snapshot_init failed ret = %d\n", ret);
+	}
 	drm_mode_config_reset(ddev);
 
 #ifdef CONFIG_DRM_FBDEV_EMULATION
@@ -682,6 +712,7 @@ static void load_gpu(struct drm_device *dev)
 
 static int context_init(struct drm_device *dev, struct drm_file *file)
 {
+	static atomic_t ident = ATOMIC_INIT(0);
 	struct msm_drm_private *priv = dev->dev_private;
 	struct msm_file_private *ctx;
 
@@ -689,12 +720,17 @@ static int context_init(struct drm_device *dev, struct drm_file *file)
 	if (!ctx)
 		return -ENOMEM;
 
+	INIT_LIST_HEAD(&ctx->submitqueues);
+	rwlock_init(&ctx->queuelock);
+
 	kref_init(&ctx->ref);
 	msm_submitqueue_init(dev, ctx);
 
 	ctx->aspace = msm_gpu_create_private_address_space(priv->gpu, current);
 	file->driver_priv = ctx;
 
+	ctx->seqno = atomic_inc_return(&ident);
+
 	return 0;
 }