Hi Joonyoung, 2015-06-12 Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>: > When the fimd is disabled by fimd_disable(), enabled overlay layers also > are disabled. If clocks for fimd are enabled by fimd_enable() on this > case, it can lead IOMMU page fault. The reason is that VIDCON0_ENVID and > VIDCON0_ENVID_F bits of VIDCON0 register are set still even though fimd > is disabled, so it may continue display output of prior when clocks for > fimd are enabled again. > > Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> > --- > drivers/gpu/drm/exynos/exynos_drm_fimd.c | 2 ++ > 1 file changed, 2 insertions(+) Reviewed-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx> Gustavo -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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