[Nouveau] a bug of the driver xf86-video-nouveau

[南 沈]

hi,
    I am using NVIDIA's 9200M GS chip, and using the xf86-video-nouveau driver.
 
    When using the DVI display only  the driver is functioning correctly, and the log file name is Xorg.0.log.dvi.
 
    But when the DVI display and vga display when used together the driver is functioning wrong, and the log file name is  Xorg.0.log.dvi&vga , and the BIOS just to initialize a vga display.
 
    And I found that this chip using SOR2. So at the driver, I modified a number of places . 
    First in the file nv50reg.h , 
#define NV50_PCONNECTOR_I2C_PORT_4   0x0000e254
#define NV50_PCONNECTOR_I2C_PORT_5   0x0000e274
     Second in the file nv50_display.c in the function NV50DispPreInit , I add
NVWrite(pNv, 0x006101e0 + SOR2 * 0x4, NVRead(pNv, 0x0061c000 + SOR2 * 0x800));
    
Best wishes!


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