aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
index dfafefd9facf..a9c57a20186a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
@@ -91,6 +91,18 @@ nvkm_perfsig_find(struct nvkm_pm *ppm, uint8_t di, uint8_t si,
return &dom->signal[si];
}
+static u8
+nvkm_perfsig_count_perfsrc(struct nvkm_perfsig *sig)
+{
+ u8 source_nr = 0, i;
+
+ for (i = 0; i < ARRAY_SIZE(sig->source); i++) {
+ if (sig->source[i])
+ source_nr++;
+ }
+ return source_nr;
+}
+
/*******************************************************************************
* Perfmon object classes
******************************************************************************/
@@ -148,9 +160,9 @@ nvkm_perfmon_mthd_query_signal(struct nvkm_object *object, void *data, u32 size)
struct nvkm_device *device = nv_device(object);
struct nvkm_pm *ppm = (void *)object->engine;
struct nvkm_perfdom *dom;
+ struct nvkm_perfsig *sig;
const bool all = nvkm_boolopt(device->cfgopt, "NvPmShowAll", false);
const bool raw = nvkm_boolopt(device->cfgopt, "NvPmUnnamed", all);
- const char *name;
int ret, si;
nv_ioctl(object, "perfmon query signal size %d\n", size);
@@ -167,13 +179,17 @@ nvkm_perfmon_mthd_query_signal(struct nvkm_object *object, void *data, u32 size)
return -EINVAL;
if (si >= 0) {
- if (raw || !(name = dom->signal[si].name)) {
+ sig = &dom->signal[si];
+ if (raw || !sig->name) {
snprintf(args->v0.name, sizeof(args->v0.name),
"/%s/%02x", dom->name, si);
} else {
- strncpy(args->v0.name, name, sizeof(args->v0.name));
+ strncpy(args->v0.name, sig->name,
+ sizeof(args->v0.name));
}
+
args->v0.signal = si;
+ args->v0.source_nr = nvkm_perfsig_count_perfsrc(sig);
}
while (++si < dom->signal_nr) {