diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2006-03-01 21:35:14 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2006-03-01 21:35:14 +0000 |
| commit | b2145aea36bb035bff048366c607b967d70fff49 (patch) | |
| tree | e5890d2981c5446c594aa8abdbf8a3c58a746d0f /src/radeon_driver.c | |
| parent | 163581a82fe9395672c31b41cd67aa44158f5201 (diff) | |
Extend the alignement workaround to post-rv280 chips as well (thanks Hui)
and also limit the CPU accessible memory to the size of the PCI BAR
size (yeah, it was passed to the driver, I just got blind for a while
it seems)
Diffstat (limited to 'src/radeon_driver.c')
| -rw-r--r-- | src/radeon_driver.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c index 6007c3f0..68cda919 100644 --- a/src/radeon_driver.c +++ b/src/radeon_driver.c @@ -1,5 +1,5 @@ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c,v 1.117 2004/02/19 22:38:12 tsi Exp $ */ -/* $XdotOrg: driver/xf86-video-ati/src/radeon_driver.c,v 1.88 2006/02/26 10:01:32 benh Exp $ */ +/* $XdotOrg: driver/xf86-video-ati/src/radeon_driver.c,v 1.89 2006/02/28 23:34:03 benh Exp $ */ /* * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and * VA Linux Systems Inc., Fremont, California. @@ -2300,12 +2300,19 @@ static void RADEONInitMemoryMap(ScrnInfoPtr pScrn) { CARD32 aper0_base = INREG(RADEON_CONFIG_APER_0_BASE); - /* The rv280 has an "issue" with it's memory controller, the + /* Recent chips have an "issue" with the memory controller, the * location must be aligned to the size. We just align it down, * too bad if we walk over the top of system memory, we don't - * use DMA without a remapped anyway + * use DMA without a remapped anyway. + * Affected chips are rv280, all r3xx, and all r4xx, but not IGP */ - if (info->ChipFamily == CHIP_FAMILY_RV280) + if (info->ChipFamily == CHIP_FAMILY_RV280 || + info->ChipFamily == CHIP_FAMILY_R300 || + info->ChipFamily == CHIP_FAMILY_R350 || + info->ChipFamily == CHIP_FAMILY_RV350 || + info->ChipFamily == CHIP_FAMILY_RV380 || + info->ChipFamily == CHIP_FAMILY_R420 || + info->ChipFamily == CHIP_FAMILY_RV410) aper0_base &= ~(mem_size - 1); info->mc_fb_location = (aper0_base >> 16) | @@ -2754,6 +2761,7 @@ static Bool RADEONPreInitConfig(ScrnInfoPtr pScrn) OUTREG(RADEON_CONFIG_MEMSIZE, pScrn->videoRam * 1024); } else { CARD32 accessible; + CARD32 bar_size; /* Read VRAM size from card */ pScrn->videoRam = INREG(RADEON_CONFIG_MEMSIZE) / 1024; @@ -2767,12 +2775,12 @@ static Bool RADEONPreInitConfig(ScrnInfoPtr pScrn) /* Get accessible memory */ accessible = RADEONGetAccessibleVRAM(pScrn); - /* XXX There are still some unresolved issues with card splitting - * over two PCI functions, so we have to limit accessible RAM to - * 128Mb for the time being - */ - if (accessible > 0x08000000) - accessible = 0x08000000; + /* Crop it to the size of the PCI BAR */ + bar_size = info->PciInfo->size[0]; + if (bar_size == 0) + bar_size = 0x08000000; + if (accessible > bar_size) + accessible = bar_size; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Detected total video RAM: %dl, max accessible: %dK\n", |