Re: [PATCH v2] drm/ast: Fixed CVE for DP501

2020-12-11 Thread kernel test robot
Hi KuoHsiang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-exynos/exynos-drm-next] [also build test WARNING on drm-intel/for-linux-next tegra-drm/drm/tegra/for-next drm-tip/drm-tip linus/master v5.10-rc7 next-20201211] [cannot apply to drm/drm-next] [If

[PATCH v2] drm/ast: Fixed CVE for DP501

2020-12-11 Thread KuoHsiang Chou
[Bug][DP501] If ASPEED P2A (PCI to AHB) bridge is disabled and disallowed for CVE_2019_6260 item3, and then the monitor's EDID is unable read through Parade DP501. The reason is the DP501's FW is mapped to BMC addressing space rather than Host addressing space. The resolution is that using "pci_iom