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elventear
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Joined: 03 Feb 2003
Posts: 16

PostPosted: Wed Apr 07, 2004 8:24 pm    Post subject: Unable to get Frame Buffer with higher refresh rates Reply with quote

Hello every1,

Currently I use the love-sources kernel and I know it comes with the patch for support frame buffer at higher frame rates. I've followed this howto and got the following vesafb_modes.h file.

I wanto work at 1024x768@85Hz, so I use vga mode 0x517 as shown in the howto. I get the resolution all right, but the refresh rate is only 60 Hz. Any ideas what else do I need to make it work?

I have an Ati Radeon 9600 Pro.

Code:
# The contents of this file were generated automatically.
# Please do not modify them, unless you are sure what you're doing.

# Format:     HorizontalSyncTotal, HorizontalSyncStart, HorizontalSyncEnd
#             VerticalSyncTotal, VerticalSyncStart, VerticalSyndEnd
#             Flags (0 = hsync+, vsync+; 12 = hsync-, vsync-; 8 = hsync-, vsync+, 4 = hsync+, vsync-)
#             Pixel Clock Rate (Hz)
#             Vertical Refresh Rate (in units of 0.01 Hz)

#define VIDEO_VESAFB_CRTC_DATA

# 320x200 @ 100Hz
        .word   456, 344, 424
        .word   240, 214, 214
        .byte   0
        .long   10944000
        .word   10000
        .space  40

# 640x400 @ 100Hz
        .word   904, 680, 840
        .word   440, 414, 414
        .byte   4
        .long   39776000
        .word   10000
        .space  40

# 640x480 @ 100Hz
        .word   904, 680, 840
        .word   520, 494, 494
        .byte   12
        .long   47008000
        .word   10000
        .space  40

# 800x600 @ 100Hz
        .word   1128, 848, 1048
        .word   640, 614, 614
        .byte   0
        .long   72192000
        .word   10000
        .space  40

# 1024x768 @ 86.63Hz
        .word   1416, 1080, 1320
        .word   808, 782, 782
        .byte   0
        .long   99120000
        .word   8663
        .space  40

# 1280x1024 @ 54.13Hz
        .word   1736, 1344, 1624
        .word   1064, 1038, 1038
        .byte   0
        .long   100000000
        .word   5413
        .space  40

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Screwdriver
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Joined: 21 Mar 2004
Posts: 7
Location: Alberta Canada

PostPosted: Thu Apr 08, 2004 1:50 am    Post subject: Reply with quote

I have a Radeon 9600XT and would be interested in a solution for this as well.... the cool factor isn't as cool at 60hrz :D
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