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author | Ben Skeggs <bskeggs@redhat.com> | 2014-11-03 06:43:59 (GMT) |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2014-12-02 05:44:02 (GMT) |
commit | 2b1930c3f367c3f015d2f384020add20a5aec505 (patch) | |
tree | 02044c09f476e6f71d2caec81b29b73c3f73890e /drivers/gpu/drm | |
parent | 6af5289e85f8f01bf319893f47873e7a4604c21f (diff) | |
download | linux-2b1930c3f367c3f015d2f384020add20a5aec505.tar.xz |
drm/nv50-/kms: add some evo tracing ability for debugging
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 49f6128..2016d8e 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -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) |