drm/nvc0-/fb: hook up skeleton interrupt handler

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

2 files changed, 18 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c
index e5fc37c4caac..45470e1f0385 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c
@@ -33,6 +33,21 @@ nvc0_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags)
         return likely((nvc0_pte_storage_type_map[memtype] != 0xff));
 }
 
+static void
+nvc0_fb_intr(struct nouveau_subdev *subdev)
+{
+        struct nvc0_fb_priv *priv = (void *)subdev;
+        u32 intr = nv_rd32(priv, 0x000100);
+        if (intr & 0x08000000) {
+                nv_debug(priv, "PFFB intr\n");
+                intr &= ~0x08000000;
+        }
+        if (intr & 0x00002000) {
+                nv_debug(priv, "PBFB intr\n");
+                intr &= ~0x00002000;
+        }
+}
+
 int
 nvc0_fb_init(struct nouveau_object *object)
 {
@@ -86,6 +101,7 @@ nvc0_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
                         return -EFAULT;
         }
 
+        nv_subdev(priv)->intr = nvc0_fb_intr;
         return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c
index c02b4763a2d5..34472d317097 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c
@@ -32,6 +32,7 @@ nvc0_mc_intr[] = {
         { 0x00000080, NVDEV_ENGINE_COPY2 },
         { 0x00000100, NVDEV_ENGINE_FIFO },
         { 0x00001000, NVDEV_ENGINE_GR },
+        { 0x00002000, NVDEV_SUBDEV_FB },
         { 0x00008000, NVDEV_ENGINE_BSP },
         { 0x00040000, NVDEV_SUBDEV_THERM },
         { 0x00020000, NVDEV_ENGINE_VP },
@@ -40,6 +41,7 @@ nvc0_mc_intr[] = {
         { 0x01000000, NVDEV_SUBDEV_PWR },
         { 0x02000000, NVDEV_SUBDEV_LTCG },
         { 0x04000000, NVDEV_ENGINE_DISP },
+        { 0x08000000, NVDEV_SUBDEV_FB },
         { 0x10000000, NVDEV_SUBDEV_BUS },
         { 0x40000000, NVDEV_SUBDEV_IBUS },
         { 0x80000000, NVDEV_ENGINE_SW },