This is a note to let you know that I've just added the patch titled

drm/nouveau/pmu: Add missing callbacks for Tegra devices

to the 5.17-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summ...

The filename of the patch is: drm-nouveau-pmu-add-missing-callbacks-for-tegra-devices.patch and it can be found in the queue-5.17 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From 38d4e5cf5b08798f093374e53c2f4609d5382dd5 Mon Sep 17 00:00:00 2001

From: Karol Herbst kherbst@redhat.com Date: Tue, 22 Mar 2022 13:48:00 +0100 Subject: drm/nouveau/pmu: Add missing callbacks for Tegra devices

From: Karol Herbst kherbst@redhat.com

commit 38d4e5cf5b08798f093374e53c2f4609d5382dd5 upstream.

Fixes a crash booting on those platforms with nouveau.

Fixes: 4cdd2450bf73 ("drm/nouveau/pmu/gm200-: use alternate falcon reset sequence") Cc: Ben Skeggs bskeggs@redhat.com Cc: Karol Herbst kherbst@redhat.com Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: stable@vger.kernel.org # v5.17+ Signed-off-by: Karol Herbst kherbst@redhat.com Reviewed-by: Lyude Paul lyude@redhat.com Link: https://patchwork.freedesktop.org/patch/msgid/20220322124800.2605463-1-kherb... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c | 1 + drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c | 2 +- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c | 1 + drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h | 1 + 4 files changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c @@ -216,6 +216,7 @@ gm20b_pmu = { .intr = gt215_pmu_intr, .recv = gm20b_pmu_recv, .initmsg = gm20b_pmu_initmsg, + .reset = gf100_pmu_reset, };

#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c @@ -23,7 +23,7 @@ */ #include "priv.h"

-static void +void gp102_pmu_reset(struct nvkm_pmu *pmu) { struct nvkm_device *device = pmu->subdev.device; --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c @@ -83,6 +83,7 @@ gp10b_pmu = { .intr = gt215_pmu_intr, .recv = gm20b_pmu_recv, .initmsg = gm20b_pmu_initmsg, + .reset = gp102_pmu_reset, };

#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h @@ -41,6 +41,7 @@ int gt215_pmu_send(struct nvkm_pmu *, u3

bool gf100_pmu_enabled(struct nvkm_pmu *); void gf100_pmu_reset(struct nvkm_pmu *); +void gp102_pmu_reset(struct nvkm_pmu *pmu);

void gk110_pmu_pgob(struct nvkm_pmu *, bool);

Patches currently in stable-queue which might be from kherbst@redhat.com are

queue-5.17/drm-nouveau-pmu-add-missing-callbacks-for-tegra-devices.patch