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drm.7971
0160-drm-nouveau-bsp-g92-disable-by-default.patch
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File 0160-drm-nouveau-bsp-g92-disable-by-default.patch of Package drm.7971
From f4f0b6aa58eb74cedc81e7138f8b24b6d282c628 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin <imirkin@alum.mit.edu> Date: Sun, 1 Oct 2017 13:52:43 -0400 Subject: [PATCH] drm/nouveau/bsp/g92: disable by default commit 194d68dd051c2dd5ac2b522ae16100e774e8d869 upstream. G92's seem to require some additional bit of initialization before the BSP engine can work. It feels like clocks are not set up for the underlying VLD engine, which means that all commands submitted to the xtensa chip end up hanging. VP seems to work fine though. This still allows people to force-enable the bsp engine if they want to play around with it, but makes it harder for the card to hang by default. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/nouveau/nvkm/engine/bsp/g84.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/nouveau/nvkm/engine/bsp/g84.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/bsp/g84.c @@ -39,5 +39,5 @@ int g84_bsp_new(struct nvkm_device *device, int index, struct nvkm_engine **pengine) { return nvkm_xtensa_new_(&g84_bsp, device, index, - true, 0x103000, pengine); + device->chipset != 0x92, 0x103000, pengine); }
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