diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2014-05-19 14:04:43 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-09 11:18:24 -0700 |
| commit | 2ef209f2c98db4975aed7a2aa560040b6e263099 (patch) | |
| tree | 635890de2a07ea801357c97e36ec4dadf8fc68f6 /drivers/gpu/vga | |
| parent | 8b1666574453b5758688c81ae52bb77ec789545f (diff) | |
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/vga')
| -rw-r--r-- | drivers/gpu/vga/vga_switcheroo.c | 3 |
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; } |