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drm/nouveau: ratelimit IRQ messages 

There are two messages in the ISR of nouveau which might be printed out
hundred times in a second. Ratelimit them. (We need to move
nouveau_ratelimit to the top of the file.)

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Reviewed-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Jiri Slaby 2010-10-05 15:07:33 +02:00 committed by Ben Skeggs
parent 0143832cc9
commit da3bd82030
1 changed files with 14 additions and 12 deletions
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26
drivers/gpu/drm/nouveau/nouveau_irq.c
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@ -42,6 +42,13 @@
#include "nouveau_connector.h"
#include "nv50_display.h"
static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20);
static int nouveau_ratelimit(void)
{
return __ratelimit(&nouveau_ratelimit_state);
}
void
nouveau_irq_preinstall(struct drm_device *dev)
{
@ -213,11 +220,12 @@ nouveau_fifo_irq_handler(struct drm_device *dev)
u32 ib_get = nv_rd32(dev, 0x003334);
u32 ib_put = nv_rd32(dev, 0x003330);
NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%02x%08x "
if (nouveau_ratelimit())
NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%02x%08x "
"Put 0x%02x%08x IbGet 0x%08x IbPut 0x%08x "
"State 0x%08x Push 0x%08x\n",
chid, ho_get, get, ho_put, put, ib_get, ib_put,
state, push);
chid, ho_get, get, ho_put, put,
ib_get, ib_put, state, push);
/* METHOD_COUNT, in DMA_STATE on earlier chipsets */
nv_wr32(dev, 0x003364, 0x00000000);
@ -266,8 +274,9 @@ nouveau_fifo_irq_handler(struct drm_device *dev)
}
if (status) {
NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n",
status, chid);
if (nouveau_ratelimit())
NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n",
status, chid);
nv_wr32(dev, NV03_PFIFO_INTR_0, status);
status = 0;
}
@ -544,13 +553,6 @@ nouveau_pgraph_intr_notify(struct drm_device *dev, uint32_t nsource)
nouveau_graph_dump_trap_info(dev, "PGRAPH_NOTIFY", &trap);
}
static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20);
static int nouveau_ratelimit(void)
{
return __ratelimit(&nouveau_ratelimit_state);
}
static inline void
nouveau_pgraph_intr_error(struct drm_device *dev, uint32_t nsource)