diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/radeon_gem.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/linux-core/radeon_gem.c b/linux-core/radeon_gem.c index df4ed4ce..bf8fb2e9 100644 --- a/linux-core/radeon_gem.c +++ b/linux-core/radeon_gem.c @@ -615,6 +615,90 @@ int radeon_alloc_gart_objects(struct drm_device *dev) } +static void radeon_init_memory_map(struct drm_device *dev) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + u32 mem_size, aper_size; + + dev_priv->mc_fb_location = radeon_read_fb_location(dev_priv); + radeon_read_agp_location(dev_priv, &dev_priv->mc_agp_loc_lo, &dev_priv->mc_agp_loc_hi); + + if (dev_priv->chip_family >= CHIP_R600) { + mem_size = RADEON_READ(R600_CONFIG_MEMSIZE); + aper_size = RADEON_READ(R600_CONFIG_APER_SIZE); + } else { + mem_size = RADEON_READ(RADEON_CONFIG_MEMSIZE); + aper_size = RADEON_READ(RADEON_CONFIG_APER_SIZE); + } + + /* M6s report illegal memory size */ + if (mem_size == 0) + mem_size = 8 * 1024 * 1024; + + /* for RN50/M6/M7 - Novell bug 204882 */ + if (aper_size > mem_size) + mem_size = aper_size; + + if ((dev_priv->chip_family != CHIP_RS600) && + (dev_priv->chip_family != CHIP_RS690) && + (dev_priv->chip_family != CHIP_RS740)) { + if (dev_priv->flags & RADEON_IS_IGP) + dev_priv->mc_fb_location = RADEON_READ(RADEON_NB_TOM); + else { + uint32_t aper0_base; + + if (dev_priv->chip_family >= CHIP_R600) + aper0_base = RADEON_READ(R600_CONFIG_F0_BASE); + else + aper0_base = RADEON_READ(RADEON_CONFIG_APER_0_BASE); + + + /* Some 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. + * Affected chips are rv280, all r3xx, and all r4xx, but not IGP + */ + if (dev_priv->chip_family == CHIP_RV280 || + dev_priv->chip_family == CHIP_R300 || + dev_priv->chip_family == CHIP_R350 || + dev_priv->chip_family == CHIP_RV350 || + dev_priv->chip_family == CHIP_RV380 || + dev_priv->chip_family == CHIP_R420 || + dev_priv->chip_family == CHIP_RV410) + aper0_base &= ~(mem_size - 1); + + if (dev_priv->chip_family >= CHIP_R600) { + dev_priv->mc_fb_location = (aper0_base >> 24) | + (((aper0_base + mem_size - 1) & 0xff000000U) >> 8); + } else { + dev_priv->mc_fb_location = (aper0_base >> 16) | + ((aper0_base + mem_size - 1) & 0xffff0000U); + } + } + } + + if (dev_priv->chip_family >= CHIP_R600) + dev_priv->fb_location = (dev_priv->mc_fb_location & 0xffff) << 24; + else + dev_priv->fb_location = (dev_priv->mc_fb_location & 0xffff) << 16; + + if (radeon_is_avivo(dev_priv)) { + if (dev_priv->chip_family >= CHIP_R600) + RADEON_WRITE(R600_HDP_NONSURFACE_BASE, (dev_priv->mc_fb_location << 16) & 0xff0000); + else + RADEON_WRITE(AVIVO_HDP_FB_LOCATION, dev_priv->mc_fb_location); + } + + radeon_write_fb_location(dev_priv, dev_priv->mc_fb_location); + + dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 16; + dev_priv->fb_size = + ((radeon_read_fb_location(dev_priv) & 0xffff0000u) + 0x10000) + - dev_priv->fb_location; + +} + /* init memory manager - start with all of VRAM and a 32MB GART aperture for now */ int radeon_gem_mm_init(struct drm_device *dev) { @@ -624,6 +708,8 @@ int radeon_gem_mm_init(struct drm_device *dev) /* size the mappable VRAM memory for now */ radeon_vram_setup(dev); + radeon_init_memory_map(dev); + drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, /*dev_priv->mm.vram_offset >> PAGE_SHIFT,*/ (dev_priv->mm.vram_visible) >> PAGE_SHIFT, 0); |