6.16-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher alexander.deucher@amd.com
commit 5171848bdfb8bf87f38331d3f8c0fd5e2b676d3e upstream.
If the firmware is too old, just warn and return success.
Fixes: 27b791514789 ("drm/amdgpu/mes: keep enforce isolation up to date") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4414 Cc: shaoyun.Liu@amd.com Reviewed-by: Shaoyun.liu Shaoyun.liu@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com (cherry picked from commit 9f28af76fab0948b59673f69c10aeec47de11c60) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -641,8 +641,9 @@ static int mes_v11_0_misc_op(struct amdg break; case MES_MISC_OP_CHANGE_CONFIG: if ((mes->adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) < 0x63) { - dev_err(mes->adev->dev, "MES FW version must be larger than 0x63 to support limit single process feature.\n"); - return -EINVAL; + dev_warn_once(mes->adev->dev, + "MES FW version must be larger than 0x63 to support limit single process feature.\n"); + return 0; } misc_pkt.opcode = MESAPI_MISC__CHANGE_CONFIG; misc_pkt.change_config.opcode =