[Xorg] V_BIOS Radeon problem

[Jon Smirl]

Does X have this ATI radeon fix in it? This should be done before
trying to access a ROM on a radeon card. Several of the radeons I own
need this fix.

/* Fix from ATI for problem with Radeon hardware not leaving ROM
enabled */
#define DRIVER_ROMBUG(mmio)                             \
{                                                       \
        unsigned int temp;                              \
        temp = DRM_READ32(mmio, RADEON_MPP_TB_CONFIG);  \
        temp &= 0x00ffffffu;                            \
        temp |= 0x04 << 24;                             \
        DRM_WRITE32(mmio, RADEON_MPP_TB_CONFIG, temp);  \
        temp = DRM_READ32(mmio, RADEON_MPP_TB_CONFIG);  \
}
                                                                       
                           


=====
Jon Smirl
jonsmirl at yahoo.com


		
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