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drm/nouveau/pm: allow zeroed signals to enable sources

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Hardware signals index 0x00 are defined for some domains and they have
to be allowed to enable sources like the others.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Samuel Pitoiset 2015-08-04 23:58:12 +02:00 committed by Ben Skeggs
parent 5a23936129
commit 7fe882eb90
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
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@ -134,7 +134,7 @@ nvkm_perfsrc_enable(struct nvkm_pm *ppm, struct nvkm_perfctr *ctr)
u32 mask, value;
int i, j;
for (i = 0; i < 4 && ctr->signal[i]; i++) {
for (i = 0; i < 4; i++) {
for (j = 0; j < 8 && ctr->source[i][j]; j++) {
sig = nvkm_perfsig_find(ppm, ctr->domain,
ctr->signal[i], &dom);
@ -170,7 +170,7 @@ nvkm_perfsrc_disable(struct nvkm_pm *ppm, struct nvkm_perfctr *ctr)
u32 mask;
int i, j;
for (i = 0; i < 4 && ctr->signal[i]; i++) {
for (i = 0; i < 4; i++) {
for (j = 0; j < 8 && ctr->source[i][j]; j++) {
sig = nvkm_perfsig_find(ppm, ctr->domain,
ctr->signal[i], &dom);