6.12-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher alexander.deucher@amd.com
commit b71a2bb0ce07f40f92f59ed7f283068e41b10075 upstream.
Don't fetch it again if we already have it. It seems the registers don't reliably have the value at resume in some cases.
Fixes: 028c3fb37e70 ("drm/amdgpu/mes11: initiate mes v11 support") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4083 Reviewed-by: Mario Limonciello mario.limonciello@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -859,6 +859,10 @@ static void mes_v11_0_get_fw_version(str { int pipe;
+ /* return early if we have already fetched these */ + if (adev->mes.sched_version && adev->mes.kiq_version) + return; + /* get MES scheduler/KIQ versions */ mutex_lock(&adev->srbm_mutex);