diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 93 |
1 files changed, 32 insertions, 61 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index bc7d9e9211c..1fdd793343b 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -202,9 +202,8 @@ int r100_pci_gart_enable(struct radeon_device *rdev) tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; WREG32(RADEON_AIC_CNTL, tmp); /* set address range for PCI address translate */ - WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location); - tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; - WREG32(RADEON_AIC_HI_ADDR, tmp); + WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start); + WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end); /* set PCI GART page-table base address */ WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr); tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN; @@ -1957,17 +1956,17 @@ static u32 r100_get_accessible_vram(struct radeon_device *rdev) void r100_vram_init_sizes(struct radeon_device *rdev) { u64 config_aper_size; - u32 accessible; + /* work out accessible VRAM */ + rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev); + rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); + rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE); - if (rdev->flags & RADEON_IS_IGP) { uint32_t tom; /* read NB_TOM to get the amount of ram stolen for the GPU */ tom = RREG32(RADEON_NB_TOM); rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16); - /* for IGPs we need to keep VRAM where it was put by the BIOS */ - rdev->mc.vram_location = (tom & 0xffff) << 16; WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); rdev->mc.mc_vram_size = rdev->mc.real_vram_size; } else { @@ -1979,30 +1978,19 @@ void r100_vram_init_sizes(struct radeon_device *rdev) rdev->mc.real_vram_size = 8192 * 1024; WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); } - /* let driver place VRAM */ - rdev->mc.vram_location = 0xFFFFFFFFUL; - /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - - * Novell bug 204882 + along with lots of ubuntu ones */ + /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - + * Novell bug 204882 + along with lots of ubuntu ones + */ if (config_aper_size > rdev->mc.real_vram_size) rdev->mc.mc_vram_size = config_aper_size; else rdev->mc.mc_vram_size = rdev->mc.real_vram_size; } - - /* work out accessible VRAM */ - accessible = r100_get_accessible_vram(rdev); - - rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); - rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); - - if (accessible > rdev->mc.aper_size) - accessible = rdev->mc.aper_size; - - if (rdev->mc.mc_vram_size > rdev->mc.aper_size) + /* FIXME remove this once we support unmappable VRAM */ + if (rdev->mc.mc_vram_size > rdev->mc.aper_size) { rdev->mc.mc_vram_size = rdev->mc.aper_size; - - if (rdev->mc.real_vram_size > rdev->mc.aper_size) rdev->mc.real_vram_size = rdev->mc.aper_size; + } } void r100_vga_set_state(struct radeon_device *rdev, bool state) @@ -2019,11 +2007,18 @@ void r100_vga_set_state(struct radeon_device *rdev, bool state) WREG32(RADEON_CONFIG_CNTL, temp); } -void r100_vram_info(struct radeon_device *rdev) +void r100_mc_init(struct radeon_device *rdev) { - r100_vram_get_type(rdev); + u64 base; + r100_vram_get_type(rdev); r100_vram_init_sizes(rdev); + base = rdev->mc.aper_base; + if (rdev->flags & RADEON_IS_IGP) + base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; + radeon_vram_location(rdev, &rdev->mc, base); + if (!(rdev->flags & RADEON_IS_AGP)) + radeon_gtt_location(rdev, &rdev->mc); } @@ -3294,10 +3289,9 @@ void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save) void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save) { /* Update base address for crtc */ - WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_location); + WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start); if (!(rdev->flags & RADEON_SINGLE_CRTC)) { - WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, - rdev->mc.vram_location); + WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start); } /* Restore CRTC registers */ WREG8(R_0003C2_GENMO_WT, save->GENMO_WT); @@ -3458,32 +3452,6 @@ void r100_fini(struct radeon_device *rdev) rdev->bios = NULL; } -int r100_mc_init(struct radeon_device *rdev) -{ - int r; - u32 tmp; - - /* Setup GPU memory space */ - rdev->mc.vram_location = 0xFFFFFFFFUL; - rdev->mc.gtt_location = 0xFFFFFFFFUL; - if (rdev->flags & RADEON_IS_IGP) { - tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM)); - rdev->mc.vram_location = tmp << 16; - } - if (rdev->flags & RADEON_IS_AGP) { - r = radeon_agp_init(rdev); - if (r) { - radeon_agp_disable(rdev); - } else { - rdev->mc.gtt_location = rdev->mc.agp_base; - } - } - r = radeon_mc_setup(rdev); - if (r) - return r; - return 0; -} - int r100_init(struct radeon_device *rdev) { int r; @@ -3526,12 +3494,15 @@ int r100_init(struct radeon_device *rdev) radeon_get_clock_info(rdev->ddev); /* Initialize power management */ radeon_pm_init(rdev); - /* Get vram informations */ - r100_vram_info(rdev); - /* Initialize memory controller (also test AGP) */ - r = r100_mc_init(rdev); - if (r) - return r; + /* initialize AGP */ + if (rdev->flags & RADEON_IS_AGP) { + r = radeon_agp_init(rdev); + if (r) { + radeon_agp_disable(rdev); + } + } + /* initialize VRAM */ + r100_mc_init(rdev); /* Fence driver */ r = radeon_fence_driver_init(rdev); if (r) |