From 2b1930c3f367c3f015d2f384020add20a5aec505 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 3 Nov 2014 16:43:59 +1000 Subject: [PATCH] drm/nv50-/kms: add some evo tracing ability for debugging Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nv50_display.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) 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) -- 2.7.4