Hi jiongzhong
please use latest L4.1.15_1.1.0, as it fixed many gpu errata
(one can find description in Release Notes) :
Board Support Packages (35)
L4.1.15_1.0.0_MX6QDLSOLO (REV L4.1.15_1.0.0)
http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/i.mx-applications-process...
Best regards
igor
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