Re: [U-Boot] [PATCH V2 09/14] video: mxsfb: introduce lcdif_power_down

2015-10-25 Thread Peng Fan
Hi Stefano, On Tue, Oct 20, 2015 at 03:59:18PM +0200, Stefano Babic wrote: >Hi Peng, > >On 20/10/2015 13:39, Peng Fan wrote: >> Introudce a new function lcdif_power_down. >> >> 1. Waits for a VSYNC interrupt to guarantee the reset is done at the >>VSYNC edge, which somehow makes the LCDIF con

Re: [U-Boot] [PATCH V2 09/14] video: mxsfb: introduce lcdif_power_down

2015-10-20 Thread Stefano Babic
Hi Peng, On 20/10/2015 13:39, Peng Fan wrote: > Introudce a new function lcdif_power_down. > > 1. Waits for a VSYNC interrupt to guarantee the reset is done at the >VSYNC edge, which somehow makes the LCDIF consume the display FIFO(?) >and helps the LCDIF work normally at the kernel stage