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authorAlex Deucher <alexander.deucher@amd.com>2014-05-19 22:04:43 +0400
committerJiri Slaby <jslaby@suse.cz>2014-07-17 17:04:36 +0400
commitb7f5767932e6c8fc33f8b6961511fdafcf827e42 (patch)
tree9334ac72c9093b056f1244a81099211243540b8a /drivers/gpu/vga
parent62874b837dc5de00f3c8de646e80b73c52d75b01 (diff)
downloadlinux-b7f5767932e6c8fc33f8b6961511fdafcf827e42.tar.xz
vgaswitcheroo: switch the mux to the igp on power down when runpm is enabled
commit f2bc561610962693be61425cf913778586d8f9c1 upstream. 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> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/gpu/vga')
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index ec0ae2d1686a..6866448083b2 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -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;
}