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| author | David S. Miller <davem@davemloft.net> | 2013-08-04 04:36:46 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-04 04:36:46 (GMT) |
| commit | 0e76a3a587fc7abda2badf249053b427baad255e (patch) | |
| tree | 646a1da67dc25654552028225ca4b7a0a8043cc9 /drivers/gpu/drm/nouveau/core/engine/falcon.c | |
| parent | fba3679d34511c42bf452e89dda457a1219eb43a (diff) | |
| parent | 72a67a94bcba71a5fddd6b3596a20604d2b5dcd6 (diff) | |
| download | linux-fsl-qoriq-0e76a3a587fc7abda2badf249053b427baad255e.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Merge net into net-next to setup some infrastructure Eric
Dumazet needs for usbnet changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/falcon.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/falcon.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/falcon.c b/drivers/gpu/drm/nouveau/core/engine/falcon.c index 3c7a31f..e03fc8e 100644 --- a/drivers/gpu/drm/nouveau/core/engine/falcon.c +++ b/drivers/gpu/drm/nouveau/core/engine/falcon.c @@ -23,6 +23,25 @@ #include <engine/falcon.h> #include <subdev/timer.h> +void +nouveau_falcon_intr(struct nouveau_subdev *subdev) +{ + struct nouveau_falcon *falcon = (void *)subdev; + u32 dispatch = nv_ro32(falcon, 0x01c); + u32 intr = nv_ro32(falcon, 0x008) & dispatch & ~(dispatch >> 16); + + if (intr & 0x00000010) { + nv_debug(falcon, "ucode halted\n"); + nv_wo32(falcon, 0x004, 0x00000010); + intr &= ~0x00000010; + } + + if (intr) { + nv_error(falcon, "unhandled intr 0x%08x\n", intr); + nv_wo32(falcon, 0x004, intr); + } +} + u32 _nouveau_falcon_rd32(struct nouveau_object *object, u64 addr) { |