drm/nouveau/ltc/gm107-: decode interrupt status to human-readable strings

[cascardo/linux.git] / drivers / gpu / drm / nouveau / nvkm / subdev / ltc / gm107.c

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c
index 389fb13..d65708c 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm107.c
@@ -74,12 +74,16 @@ gm107_ltc_intr_lts(struct nvkm_ltc *ltc, int c, int s)
        struct nvkm_subdev *subdev = &ltc->subdev;
        struct nvkm_device *device = subdev->device;
        u32 base = 0x140400 + (c * 0x2000) + (s * 0x200);
-       u32 stat = nvkm_rd32(device, base + 0x00c);
+       u32 intr = nvkm_rd32(device, base + 0x00c);
+       u16 stat = intr & 0x0000ffff;
+       char msg[128];
 
        if (stat) {
-               nvkm_error(subdev, "LTC%d_LTS%d: %08x\n", c, s, stat);
-               nvkm_wr32(device, base + 0x00c, stat);
+               nvkm_snprintbf(msg, sizeof(msg), gf100_ltc_lts_intr_name, stat);
+               nvkm_error(subdev, "LTC%d_LTS%d: %08x [%s]\n", c, s, intr, msg);
        }
+
+       nvkm_wr32(device, base + 0x00c, intr);
 }
 
 void