6.6-stable review patch. If anyone has any objections, please let me know.
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From: Mario Limonciello mario.limonciello@amd.com
[ Upstream commit ca299b4512d4b4f516732a48ce9aa19d91f4473e ]
If the system hasn't entered GFXOFF when suspend starts it can cause hangs accessing GC and RLC during the suspend stage.
Cc: stable@vger.kernel.org # 6.1.y: 5095d5418193 ("drm/amd: Evict resources during PM ops prepare() callback") Cc: stable@vger.kernel.org # 6.1.y: cb11ca3233aa ("drm/amd: Add concept of running prepare_suspend() sequence for IP blocks") Cc: stable@vger.kernel.org # 6.1.y: 2ceec37b0e3d ("drm/amd: Add missing kernel doc for prepare_suspend()") Cc: stable@vger.kernel.org # 6.1.y: 3a9626c816db ("drm/amd: Stop evicting resources on APUs in suspend") Cc: stable@vger.kernel.org # 6.6.y: 5095d5418193 ("drm/amd: Evict resources during PM ops prepare() callback") Cc: stable@vger.kernel.org # 6.6.y: cb11ca3233aa ("drm/amd: Add concept of running prepare_suspend() sequence for IP blocks") Cc: stable@vger.kernel.org # 6.6.y: 2ceec37b0e3d ("drm/amd: Add missing kernel doc for prepare_suspend()") Cc: stable@vger.kernel.org # 6.6.y: 3a9626c816db ("drm/amd: Stop evicting resources on APUs in suspend") Cc: stable@vger.kernel.org # 6.1+ Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3132 Fixes: ab4750332dbe ("drm/amdgpu/sdma5.2: add begin/end_use ring callbacks") Reviewed-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Mario Limonciello mario.limonciello@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4ebe42395708f..062d78818da16 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4117,6 +4117,8 @@ int amdgpu_device_prepare(struct drm_device *dev) if (r) return r;
+ flush_delayed_work(&adev->gfx.gfx_off_delay_work); + for (i = 0; i < adev->num_ip_blocks; i++) { if (!adev->ip_blocks[i].status.valid) continue;