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authorMario Limonciello <mario.limonciello@amd.com>2024-03-20 13:32:21 -0500
committerAlex Deucher <alexander.deucher@amd.com>2024-03-27 08:55:54 -0400
commitca299b4512d4b4f516732a48ce9aa19d91f4473e (patch)
treebabdb5ad0b3ce8bdf9bb6065ce9329ce9564e61b
parent0cac183b98d8a8c692c98e8dba37df15a9e9210d (diff)
downloadlinux-rt-devel-ca299b4512d4b4f516732a48ce9aa19d91f4473e.tar.gz
drm/amd: Flush GFXOFF requests in prepare stage
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>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 5dc24c971b41f0..aa16d51dd8421b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4539,6 +4539,8 @@ int amdgpu_device_prepare(struct drm_device *dev)
if (r)
goto unprepare;
+ 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;