diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2025-03-27 17:33:49 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-04-07 14:30:10 -0400 |
| commit | b71a2bb0ce07f40f92f59ed7f283068e41b10075 (patch) | |
| tree | c9e4b945683afd5ea29de70a8e5ab7f24eca80aa | |
| parent | dce8bd9137b88735dd0efc4e2693213d98c15913 (diff) | |
drm/amdgpu/mes11: optimize MES pipe FW version fetching
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
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c index e65916ada23b..ef9538fbbf53 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -894,6 +894,10 @@ static void mes_v11_0_get_fw_version(struct amdgpu_device *adev) { 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); |