RE: [PATCH v2] efifb: ignore frame buffer with invalid configuration

2022-11-21 Thread Henry Wang
Hi Roger and Jan, > -Original Message- > Subject: Re: [PATCH v2] efifb: ignore frame buffer with invalid configuration > > On 18.11.2022 15:11, Roger Pau Monne wrote: > > On one of my boxes when the HDMI cable is not plugged in the > >

Re: [PATCH v2] efifb: ignore frame buffer with invalid configuration

2022-11-21 Thread Jan Beulich
On 18.11.2022 15:11, Roger Pau Monne wrote: > On one of my boxes when the HDMI cable is not plugged in the > FrameBufferBase of the EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE structure is > set to 0 by the firmware (while some of the other fields looking > plausible). > > Such (bogus address) ends up mappe

[PATCH v2] efifb: ignore frame buffer with invalid configuration

2022-11-18 Thread Roger Pau Monne
On one of my boxes when the HDMI cable is not plugged in the FrameBufferBase of the EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE structure is set to 0 by the firmware (while some of the other fields looking plausible). Such (bogus address) ends up mapped in vesa_init(), and since it overlaps with a RAM regio