The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x b71a2bb0ce07f40f92f59ed7f283068e41b10075 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '2025042213-attendee-apricot-f988@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From b71a2bb0ce07f40f92f59ed7f283068e41b10075 Mon Sep 17 00:00:00 2001 From: Alex Deucher alexander.deucher@amd.com Date: Thu, 27 Mar 2025 17:33:49 -0400 Subject: [PATCH] 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
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);