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AM335x-Processor Platform supporting Display Resolution (getting problem)

Hi All,

                      We are using AM335x Customized board. we are using 3.5" display( resolution of 320x240 (landscape)) in our design. it is working fine. We are also using different types of Landscape display's like in 7"-TFT with resolution of 800x480 , 5"-TFT with resolution of 800x480 all are working fine. Even we have interfaced portrait display of 240x320 resolution, this is also working fine. But  now we are using 5" portrait display with resolution of 480x854. Now using this display we are getting issue, that is when we interfaced this display, the processor is not booting(no logs on DEBUG port). We are not understanding the problem. why it is behaving like this!!!!!!!! Can some help me...... . We have checked all hardware connections all are fine. we have added display parameters in kernel path i.e,drivers/video/da8xx-fb.c file. we are calling this from board file.