diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 79 |
1 files changed, 63 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 5c597dfa5d4..595ac638039 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -75,7 +75,7 @@ int rv770_pcie_gart_enable(struct radeon_device *rdev) WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); - WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end - 1) >> 12); + WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); @@ -126,9 +126,33 @@ void rv770_pcie_gart_fini(struct radeon_device *rdev) } -/* - * MC - */ +void rv770_agp_enable(struct radeon_device *rdev) +{ + u32 tmp; + int i; + + /* Setup L2 cache */ + WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | + ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | + EFFECTIVE_L2_QUEUE_SIZE(7)); + WREG32(VM_L2_CNTL2, 0); + WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); + /* Setup TLB control */ + tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | + SYSTEM_ACCESS_MODE_NOT_IN_SYS | + SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | + EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); + WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); + WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); + WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); + WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); + WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); + WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); + WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); + for (i = 0; i < 7; i++) + WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); +} + static void rv770_mc_program(struct radeon_device *rdev) { struct rv515_mc_save save; @@ -152,17 +176,35 @@ static void rv770_mc_program(struct radeon_device *rdev) /* Lockout access through VGA aperture*/ WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); /* Update configuration */ - WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); - WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (rdev->mc.vram_end - 1) >> 12); + if (rdev->flags & RADEON_IS_AGP) { + if (rdev->mc.vram_start < rdev->mc.gtt_start) { + /* VRAM before AGP */ + WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, + rdev->mc.vram_start >> 12); + WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, + rdev->mc.gtt_end >> 12); + } else { + /* VRAM after AGP */ + WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, + rdev->mc.gtt_start >> 12); + WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, + rdev->mc.vram_end >> 12); + } + } else { + WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, + rdev->mc.vram_start >> 12); + WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, + rdev->mc.vram_end >> 12); + } WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0); - tmp = (((rdev->mc.vram_end - 1) >> 24) & 0xFFFF) << 16; + tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); WREG32(MC_VM_FB_LOCATION, tmp); WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); WREG32(HDP_NONSURFACE_INFO, (2 << 7)); WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF); if (rdev->flags & RADEON_IS_AGP) { - WREG32(MC_VM_AGP_TOP, (rdev->mc.gtt_end - 1) >> 16); + WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16); WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16); WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); } else { @@ -785,9 +827,9 @@ int rv770_mc_init(struct radeon_device *rdev) rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; } rdev->mc.vram_start = rdev->mc.vram_location; - rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size; + rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1; rdev->mc.gtt_start = rdev->mc.gtt_location; - rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size; + rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; /* FIXME: we should enforce default clock in case GPU is not in * default setup */ @@ -807,9 +849,13 @@ static int rv770_startup(struct radeon_device *rdev) int r; rv770_mc_program(rdev); - r = rv770_pcie_gart_enable(rdev); - if (r) - return r; + if (rdev->flags & RADEON_IS_AGP) { + rv770_agp_enable(rdev); + } else { + r = rv770_pcie_gart_enable(rdev); + if (r) + return r; + } rv770_gpu_init(rdev); r = radeon_object_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM, @@ -837,9 +883,10 @@ int rv770_resume(struct radeon_device *rdev) { int r; - if (rv770_gpu_reset(rdev)) { - /* FIXME: what do we want to do here ? */ - } + /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, + * posting will perform necessary task to bring back GPU into good + * shape. + */ /* post card */ atom_asic_init(rdev->mode_info.atom_context); /* Initialize clocks */ |