From: Alexandre Courbot <acourbot@nvidia.com>
Date: Fri, 10 Feb 2017 07:29:01 +0000 (+0900)
Subject: drm/nouveau/pmu/gm20b: add msgqueue support
X-Git-Tag: v4.12-rc1~116^2~33^2~34
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=937deb06d0604b87f44f1e45b9f6e15bb6fb316f;p=karo-tx-linux.git

drm/nouveau/pmu/gm20b: add msgqueue support

gm20b PMU firmware is driven by a msgqueue, so connect relevant PMU
hooks to their msgqueue counterparts.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c
index 0b8a1cc4a0ee..48ae02d45656 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c
@@ -20,15 +20,30 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include <engine/falcon.h>
+#include <core/msgqueue.h>
 #include "priv.h"
 
+static void
+gm20b_pmu_recv(struct nvkm_pmu *pmu)
+{
+	nvkm_msgqueue_recv(pmu->queue);
+}
+
 static const struct nvkm_pmu_func
 gm20b_pmu = {
-	.reset = gt215_pmu_reset,
+	.intr = gt215_pmu_intr,
+	.recv = gm20b_pmu_recv,
 };
 
 int
 gm20b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu);
+	int ret;
+
+	ret = nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu);
+	if (ret)
+		return ret;
+
+	return 0;
 }