Peter Griffin a2f0424307 drm/hisilicon: Ensure LDI regs are properly configured. ... This patch fixes the following soft lockup: BUG: soft lockup - CPU#0 stuck for 23s! [weston:307] On weston idle-timeout the IP is powered down and reset asserted. On weston resume we get a massive vblank IRQ storm due to the LDI registers having lost some state. This state loss is caused by ade_crtc_atomic_begin() not calling ade_ldi_set_mode(). With this patch applied resuming from Weston idle-timeout works well. Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Tested-by: John Stultz <john.stultz@linaro.org> Cc: stable@vger.kernel.org Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>		2017-11-01 10:36:50 +08:00
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hibmc
kirin	drm/hisilicon: Ensure LDI regs are properly configured.	2017-11-01 10:36:50 +08:00
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