From: Alex Deucher <alexdeucher@gmail.com>
To: dri-devel@lists.freedesktop.org, airlied@gmail.com
Cc: Alex Deucher <alexander.deucher@amd.com>, stable@vger.kernel.org
Subject: [PATCH] vgaswitcheroo: switch the mux to the igp on power down when runpm is enabled
Date: Tue, 20 May 2014 19:16:18 -0400 [thread overview]
Message-ID: <1400627778-17604-1-git-send-email-alexander.deucher@amd.com> (raw)
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
---
drivers/gpu/vga/vga_switcheroo.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index ec0ae2d..6866448 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;
}
--
1.8.3.1
reply other threads:[~2014-05-20 23:16 UTC|newest]
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