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Date: Fri, 18 Jul 2014 14:11:23 +0200 From: Jiri Slaby <jslaby@...e.cz> To: stable@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Alex Deucher <alexander.deucher@....com>, Jiri Slaby <jslaby@...e.cz> Subject: [PATCH 3.12 078/170] vgaswitcheroo: switch the mux to the igp on power down when runpm is enabled From: Alex Deucher <alexander.deucher@....com> 3.12-stable review patch. If anyone has any objections, please let me know. =============== 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@....com> Signed-off-by: Jiri Slaby <jslaby@...e.cz> --- 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 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; } -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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