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68 lines
2.9 KiB
68 lines
2.9 KiB
# --- ROCK-COPYRIGHT-NOTE-BEGIN ---
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#
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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# Please add additional copyright information _after_ the line containing
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# the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
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# the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
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#
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# ROCK Linux: rock-src/package/x11/xfree86/radeon-iBook.patch
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# ROCK Linux is Copyright (C) 1998 - 2004 Clifford Wolf
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# --- ROCK-COPYRIGHT-NOTE-END ---
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On iBook the PLL values for the LCD port are not caluculated correctly - since
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I do not have the databook I applied the same hack as present in the BenH
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kernel radeon fb and added a new default value case ...
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- Rene Rebe <rene@rocklinux.org>
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diff -ur xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c xc-working/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c
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--- xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c 2004-02-21 18:25:41.000000000 +0100
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+++ xc-working/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c 2004-02-21 18:27:10.000000000 +0100
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@@ -1808,6 +1808,11 @@
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pll->reference_div = 12;
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pll->xclk = 23000;
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break;
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+ case PCI_CHIP_RADEON_LW: /* Guessed based on iBook Open Firmware data -ReneR */
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+ pll->reference_freq = 2700;
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+ pll->reference_div = 12;
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+ pll->xclk = 36000;
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+ break;
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default:
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pll->reference_freq = 2700;
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pll->reference_div = 67;
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@@ -6064,7 +6069,7 @@
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save->disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
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#if X_BYTE_ORDER == X_BIG_ENDIAN
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- /* Alhought we current onlu use aperture 0, also setting aperture 1 should not harm -ReneR */
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+ /* Alhought we currently only use aperture 0, setting aperture 1 should not harm. -ReneR */
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switch (pScrn->bitsPerPixel) {
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case 16:
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save->surface_cntl |= RADEON_NONSURF_AP0_SWP_16BPP;
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@@ -6507,8 +6512,17 @@
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save->feedback_div,
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save->post_div));
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+ ErrorF ("ref_div: %d, bitvalue: %d, feedback_div: %d\n",
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+ pll->reference_div, post_div->bitvalue, save->feedback_div);
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+
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save->ppll_ref_div = pll->reference_div;
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save->ppll_div_3 = (save->feedback_div | (post_div->bitvalue << 16));
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+#if defined(__powerpc__) /* on iBooks the LCD pannel needs tweaked PLL timings -ReneR */
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+ ErrorF ("pll_div_3: %d, ", save->ppll_div_3);
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+ /* save->ppll_div_3 *= 6; */ /* just a test hack */
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+ save->ppll_div_3 = 0x000600ad; /* -ReneR */
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+ ErrorF ("is now: %d, should be: %d\n", save->ppll_div_3, 0x000600ad);
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+#endif
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save->htotal_cntl = 0;
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}
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