vgaswitcheroo: switch the mux to the igp on power down when runpm is enabled

Avoids blank screens on muxed systems when runpm is active.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=75917



Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

parent d148f9e0

drivers/gpu/vga/vga_switcheroo.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -623,7 +623,8 @@ static int vga_switcheroo_runtime_suspend(struct device *dev)
		ret = dev->bus->pm->runtime_suspend(dev);
		if (ret)
		return ret;

		if (vgasr_priv.handler->switchto)
		vgasr_priv.handler->switchto(VGA_SWITCHEROO_IGD);
		vga_switcheroo_power_switch(pdev, VGA_SWITCHEROO_OFF);
		return 0;
		}