drm/amdgpu: cancel gfx idle work in device suspend for s0ix

This is normally handled in the gfx IP suspend callbacks, but
for S0ix, those are skipped because we don't want to touch
gfx.  So handle it in device suspend.

Fixes: b946798 ("drm/amdgpu: add dynamic workload profile switching for gfx10")
Fixes: 963537c ("drm/amdgpu: add dynamic workload profile switching for gfx11")
Fixes: 5f95a15 ("drm/amdgpu: add dynamic workload profile switching for gfx12")
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 906ad45)
Cc: stable@vger.kernel.org

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -3643,6 +3643,13 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
 			    adev, adev->ip_blocks[i].version->type))
 			continue;
 
+		/* Since we skip suspend for S0i3, we need to cancel the delayed
+		 * idle work here as the suspend callback never gets called.
+		 */
+		if (adev->in_s0ix &&
+		    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX &&
+		    amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(10, 0, 0))
+			cancel_delayed_work_sync(&adev->gfx.idle_work);
 		/* skip suspend of gfx/mes and psp for S0ix
 		 * gfx is in gfxoff state, so on resume it will exit gfxoff just
 		 * like at runtime. PSP is also part of the always on hardware