This is a note to let you know that I've just added the patch titled drm/amdgpu/gfx9: use rlc safe mode for soft recovery to the 6.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amdgpu-gfx9-use-rlc-safe-mode-for-soft-recovery.patch and it can be found in the queue-6.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit fffa2733abd32366156b9ff4340aef7cbf65f556 Author: Alex Deucher <alexander.deucher@xxxxxxx> Date: Wed Jul 24 18:20:57 2024 -0400 drm/amdgpu/gfx9: use rlc safe mode for soft recovery [ Upstream commit 3ec2ad7c34c412bd9264cd1ff235d0812be90e82 ] Protect the MMIO access with safe mode. Acked-by: Vitaly Prosyak <vitaly.prosyak@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 6f178bfb8f104..02eb5bd9d7d82 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -5862,7 +5862,9 @@ static void gfx_v9_0_ring_soft_recovery(struct amdgpu_ring *ring, unsigned vmid) value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01); value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1); value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid); + amdgpu_gfx_rlc_enter_safe_mode(adev, 0); WREG32_SOC15(GC, 0, mmSQ_CMD, value); + amdgpu_gfx_rlc_exit_safe_mode(adev, 0); } static void gfx_v9_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev,