search for: pcireg

...++++++------------ 1 file changed, 23 insertions(+), 12 deletions(-) diff --git a/nvkm/subdev/bios/base.c b/nvkm/subdev/bios/base.c index 5608530..baa5687 100644 --- a/nvkm/subdev/bios/base.c +++ b/nvkm/subdev/bios/base.c @@ -157,6 +157,10 @@ nouveau_bios_shadow_prom(struct nouveau_bios *bios) pcireg = 0x001850; access = nv_mask(bios, pcireg, 0x00000001, 0x00000000); + /* WARNING: PROM accesses should always be 32-bits aligned. Other + * accesses work on most chipset but do not on Kepler chipsets + */ + /* bail if no rom signature, with a workaround for a PROM reading * issue on some...

...ns(+), 12 deletions(-) > > diff --git a/nvkm/subdev/bios/base.c b/nvkm/subdev/bios/base.c > index 5608530..baa5687 100644 > --- a/nvkm/subdev/bios/base.c > +++ b/nvkm/subdev/bios/base.c > @@ -157,6 +157,10 @@ nouveau_bios_shadow_prom(struct nouveau_bios *bios) > pcireg = 0x001850; > access = nv_mask(bios, pcireg, 0x00000001, 0x00000000); > > + /* WARNING: PROM accesses should always be 32-bits aligned. Other > + * accesses work on most chipset but do not on Kepler chipsets > + */ > + > /* bail if no rom sig...

From: Martin Peres <martin.peres at labri.fr> This should fix a deadlock that has been reported to us where fan_update() would hold the fan lock and try to grab the alarm_program_lock to reschedule an update. On an other CPU, the alarm_program_lock would have been taken before calling fan_update(), leading to a deadlock. We should Cc: <stable at vger.kernel.org> # 3.9+ Reported-by:

See https://bugs.freedesktop.org/show_bug.cgi?id=74492 Reported-by: Ronald <ronald645 at gmail.com> Suggested-by: Marcin Ko?cielnicki <koriakin at 0x04.net> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu> --- drivers/gpu/drm/nouveau/Makefile | 1 + drivers/gpu/drm/nouveau/core/engine/device/nv40.c | 10 ++---