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video: fbdev: Set pixclock = 0 in goldfishfb

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[ Upstream commit ace6033ec5c356615eaa3582fb1946e9eaff6662 ]

User space Android code identifies pixclock == 0 as a sign for emulation
and will set the frame rate to 60 fps when reading this value, which is
the desired outcome.

Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christoffer Dall 2018-07-03 17:43:09 +02:00 committed by Greg Kroah-Hartman
parent 2b59d36f22
commit 6f90688633
1 changed files with 1 additions and 1 deletions
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drivers/video/fbdev/goldfishfb.c
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@ -234,7 +234,7 @@ static int goldfish_fb_probe(struct platform_device *pdev)
fb->fb.var.activate = FB_ACTIVATE_NOW;
fb->fb.var.height = readl(fb->reg_base + FB_GET_PHYS_HEIGHT);
fb->fb.var.width = readl(fb->reg_base + FB_GET_PHYS_WIDTH);
fb->fb.var.pixclock = 10000;
fb->fb.var.pixclock = 0;
fb->fb.var.red.offset = 11;
fb->fb.var.red.length = 5;