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 6.6-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-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit bb37bbc130e19cdff2d8441ee1a3902c015ad285
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 00e693c47f3cc..895060f6948f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -5709,7 +5709,9 @@ 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,
