Messages in this thread Patch in this message | | | Date | Fri, 26 Aug 2005 00:23:40 +0800 | From | "Antonino A. Daplas" <> | Subject | Re: Linux-2.6.13-rc7 |
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Sebastian Kaergel wrote: > On Tue, 23 Aug 2005 22:08:13 -0700 (PDT) > Linus Torvalds <torvalds@osdl.org> wrote: > >> Antonino A. Daplas: >> intelfb/fbdev: Save info->flags in a local variable >> Sylvain Meyer: >> intelfb: Do not ioremap entire graphics aperture
Probably this one. If vram is less than stolen size, intelfb will only ioremap the framebuffer memory, excluding the ringbuffer and the cursor memory.
Try booting with video=intelfb:accel:0,nohwcursor:0. If you get a display, try this patch.
CC'ed Sylvain.
Signed-off-by: Antonino Daplas <adaplas@pol.net> ---
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -502,7 +502,7 @@ intelfb_pci_register(struct pci_dev *pde struct agp_bridge_data *bridge; int aperture_bar = 0; int mmio_bar = 1; - int offset; + int offset, remap; DBG_MSG("intelfb_pci_register\n"); @@ -662,11 +662,15 @@ intelfb_pci_register(struct pci_dev *pde + (dinfo->cursor.size >> 12); } + if (dinfo->fbmem_gart) + remap = (dinfo->fb.offset << 12) + dinfo->fb.size; + else + remap = (dinfo->cursor.offset << 12) + dinfo->cursor.size; + /* Map the fb and MMIO regions */ /* ioremap only up to the end of used aperture */ dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache - (dinfo->aperture.physical, (dinfo->fb.offset << 12) - + dinfo->fb.size); + (dinfo->aperture.physical, remap); if (!dinfo->aperture.virtual) { ERR_MSG("Cannot remap FB region.\n"); cleanup(dinfo);
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