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drm/nv50-/kms: add some evo tracing ability for debugging

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-11-03 16:43:59 +10:00
parent 6af5289e85
commit 2b1930c3f3
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/nouveau/nv50_display.c
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@ -440,8 +440,21 @@ evo_kick(u32 *push, void *evoc)
mutex_unlock(&dmac->lock);
}
#if 1
#define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
#define evo_data(p,d) *((p)++) = (d)
#else
#define evo_mthd(p,m,s) do { \
const u32 _m = (m), _s = (s); \
printk(KERN_ERR "%04x %d %s\n", _m, _s, __func__); \
*((p)++) = ((_s << 18) | _m); \
} while(0)
#define evo_data(p,d) do { \
const u32 _d = (d); \
printk(KERN_ERR "\t%08x\n", _d); \
*((p)++) = _d; \
} while(0)
#endif
static bool
evo_sync_wait(void *data)