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authorBen Skeggs <bskeggs@redhat.com>2014-08-12 00:22:31 (GMT)
committerBen Skeggs <bskeggs@redhat.com>2014-09-15 12:22:12 (GMT)
commita1fc50b4a5dde430c394f97b59c0e723628f637c (patch)
tree6c8ebf4d9a86199dbc07ba90e555f8a4a42d0c9d
parent9ea97ff8270ab44770109935028fc239e5c02841 (diff)
downloadlinux-a1fc50b4a5dde430c394f97b59c0e723628f637c.tar.xz
drm/gf100/ltc: translate interrupt status into more meaningful names
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c32
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/ltc/priv.h2
2 files changed, 29 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c
index 7978850..7f9dd2b 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c
@@ -62,16 +62,38 @@ gf100_ltc_zbc_clear_depth(struct nvkm_ltc_priv *priv, int i, const u32 depth)
nv_wr32(priv, 0x17ea58, depth);
}
+static const struct nouveau_bitfield
+gf100_ltc_lts_intr_name[] = {
+ { 0x00000001, "IDLE_ERROR_IQ" },
+ { 0x00000002, "IDLE_ERROR_CBC" },
+ { 0x00000004, "IDLE_ERROR_TSTG" },
+ { 0x00000008, "IDLE_ERROR_DSTG" },
+ { 0x00000010, "EVICTED_CB" },
+ { 0x00000020, "ILLEGAL_COMPSTAT" },
+ { 0x00000040, "BLOCKLINEAR_CB" },
+ { 0x00000100, "ECC_SEC_ERROR" },
+ { 0x00000200, "ECC_DED_ERROR" },
+ { 0x00000400, "DEBUG" },
+ { 0x00000800, "ATOMIC_TO_Z" },
+ { 0x00001000, "ILLEGAL_ATOMIC" },
+ { 0x00002000, "BLKACTIVITY_ERR" },
+ {}
+};
+
static void
-gf100_ltc_lts_isr(struct nvkm_ltc_priv *priv, int ltc, int lts)
+gf100_ltc_lts_intr(struct nvkm_ltc_priv *priv, int ltc, int lts)
{
u32 base = 0x141000 + (ltc * 0x2000) + (lts * 0x400);
- u32 stat = nv_rd32(priv, base + 0x020);
+ u32 intr = nv_rd32(priv, base + 0x020);
+ u32 stat = intr & 0x0000ffff;
if (stat) {
- nv_info(priv, "LTC%d_LTS%d: 0x%08x\n", ltc, lts, stat);
- nv_wr32(priv, base + 0x020, stat);
+ nv_info(priv, "LTC%d_LTS%d:", ltc, lts);
+ nouveau_bitfield_print(gf100_ltc_lts_intr_name, stat);
+ pr_cont("\n");
}
+
+ nv_wr32(priv, base + 0x020, intr);
}
void
@@ -84,7 +106,7 @@ gf100_ltc_intr(struct nouveau_subdev *subdev)
while (mask) {
u32 lts, ltc = __ffs(mask);
for (lts = 0; lts < priv->lts_nr; lts++)
- gf100_ltc_lts_isr(priv, ltc, lts);
+ gf100_ltc_lts_intr(priv, ltc, lts);
mask &= ~(1 << ltc);
}
}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltc/priv.h b/drivers/gpu/drm/nouveau/core/subdev/ltc/priv.h
index 594924f..41f179d 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/ltc/priv.h
+++ b/drivers/gpu/drm/nouveau/core/subdev/ltc/priv.h
@@ -4,6 +4,8 @@
#include <subdev/ltc.h>
#include <subdev/fb.h>
+#include <core/enum.h>
+
struct nvkm_ltc_priv {
struct nouveau_ltc base;
u32 ltc_nr;