diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 6aecbf54cd5d..4c0d8d251dd0 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -3468,6 +3468,12 @@ static void si_irq_suspend(struct radeon_device *rdev) si_rlc_stop(rdev); } +static void si_irq_fini(struct radeon_device *rdev) +{ + si_irq_suspend(rdev); + r600_ih_ring_fini(rdev); +} + static inline u32 si_get_ih_wptr(struct radeon_device *rdev) { u32 wptr, tmp; @@ -3793,3 +3799,326 @@ restart_ih: return IRQ_HANDLED; } +/* + * startup/shutdown callbacks + */ +static int si_startup(struct radeon_device *rdev) +{ + struct radeon_ring *ring; + int r; + + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw || + !rdev->rlc_fw || !rdev->mc_fw) { + r = si_init_microcode(rdev); + if (r) { + DRM_ERROR("Failed to load firmware!\n"); + return r; + } + } + + r = si_mc_load_microcode(rdev); + if (r) { + DRM_ERROR("Failed to load MC firmware!\n"); + return r; + } + + r = r600_vram_scratch_init(rdev); + if (r) + return r; + + si_mc_program(rdev); + r = si_pcie_gart_enable(rdev); + if (r) + return r; + si_gpu_init(rdev); + +#if 0 + r = evergreen_blit_init(rdev); + if (r) { + r600_blit_fini(rdev); + rdev->asic->copy = NULL; + dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); + } +#endif + /* allocate rlc buffers */ + r = si_rlc_init(rdev); + if (r) { + DRM_ERROR("Failed to init rlc BOs!\n"); + return r; + } + + /* allocate wb buffer */ + r = radeon_wb_init(rdev); + if (r) + return r; + + r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); + if (r) { + dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); + return r; + } + + r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX); + if (r) { + dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); + return r; + } + + r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX); + if (r) { + dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); + return r; + } + + /* Enable IRQ */ + r = si_irq_init(rdev); + if (r) { + DRM_ERROR("radeon: IH init failed (%d).\n", r); + radeon_irq_kms_fini(rdev); + return r; + } + si_irq_set(rdev); + + ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; + r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, + CP_RB0_RPTR, CP_RB0_WPTR, + 0, 0xfffff, RADEON_CP_PACKET2); + if (r) + return r; + + ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; + r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET, + CP_RB1_RPTR, CP_RB1_WPTR, + 0, 0xfffff, RADEON_CP_PACKET2); + if (r) + return r; + + ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; + r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET, + CP_RB2_RPTR, CP_RB2_WPTR, + 0, 0xfffff, RADEON_CP_PACKET2); + if (r) + return r; + + r = si_cp_load_microcode(rdev); + if (r) + return r; + r = si_cp_resume(rdev); + if (r) + return r; + + r = radeon_ib_pool_start(rdev); + if (r) + return r; + + r = radeon_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); + if (r) { + DRM_ERROR("radeon: failed testing IB (%d) on CP ring 0\n", r); + rdev->accel_working = false; + return r; + } + + r = radeon_ib_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]); + if (r) { + DRM_ERROR("radeon: failed testing IB (%d) on CP ring 1\n", r); + rdev->accel_working = false; + return r; + } + + r = radeon_ib_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]); + if (r) { + DRM_ERROR("radeon: failed testing IB (%d) on CP ring 2\n", r); + rdev->accel_working = false; + return r; + } + + r = radeon_vm_manager_start(rdev); + if (r) + return r; + + return 0; +} + +int si_resume(struct radeon_device *rdev) +{ + int r; + + /* 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); + + rdev->accel_working = true; + r = si_startup(rdev); + if (r) { + DRM_ERROR("si startup failed on resume\n"); + rdev->accel_working = false; + return r; + } + + return r; + +} + +int si_suspend(struct radeon_device *rdev) +{ + /* FIXME: we should wait for ring to be empty */ + radeon_ib_pool_suspend(rdev); + radeon_vm_manager_suspend(rdev); +#if 0 + r600_blit_suspend(rdev); +#endif + si_cp_enable(rdev, false); + rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; + rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; + rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; + si_irq_suspend(rdev); + radeon_wb_disable(rdev); + si_pcie_gart_disable(rdev); + return 0; +} + +/* Plan is to move initialization in that function and use + * helper function so that radeon_device_init pretty much + * do nothing more than calling asic specific function. This + * should also allow to remove a bunch of callback function + * like vram_info. + */ +int si_init(struct radeon_device *rdev) +{ + struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; + int r; + + /* This don't do much */ + r = radeon_gem_init(rdev); + if (r) + return r; + /* Read BIOS */ + if (!radeon_get_bios(rdev)) { + if (ASIC_IS_AVIVO(rdev)) + return -EINVAL; + } + /* Must be an ATOMBIOS */ + if (!rdev->is_atom_bios) { + dev_err(rdev->dev, "Expecting atombios for cayman GPU\n"); + return -EINVAL; + } + r = radeon_atombios_init(rdev); + if (r) + return r; + + /* Post card if necessary */ + if (!radeon_card_posted(rdev)) { + if (!rdev->bios) { + dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); + return -EINVAL; + } + DRM_INFO("GPU not posted. posting now...\n"); + atom_asic_init(rdev->mode_info.atom_context); + } + /* Initialize scratch registers */ + si_scratch_init(rdev); + /* Initialize surface registers */ + radeon_surface_init(rdev); + /* Initialize clocks */ + radeon_get_clock_info(rdev->ddev); + + /* Fence driver */ + r = radeon_fence_driver_init(rdev); + if (r) + return r; + + /* initialize memory controller */ + r = si_mc_init(rdev); + if (r) + return r; + /* Memory manager */ + r = radeon_bo_init(rdev); + if (r) + return r; + + r = radeon_irq_kms_init(rdev); + if (r) + return r; + + ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; + ring->ring_obj = NULL; + r600_ring_init(rdev, ring, 1024 * 1024); + + ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; + ring->ring_obj = NULL; + r600_ring_init(rdev, ring, 1024 * 1024); + + ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; + ring->ring_obj = NULL; + r600_ring_init(rdev, ring, 1024 * 1024); + + rdev->ih.ring_obj = NULL; + r600_ih_ring_init(rdev, 64 * 1024); + + r = r600_pcie_gart_init(rdev); + if (r) + return r; + + r = radeon_ib_pool_init(rdev); + rdev->accel_working = true; + if (r) { + dev_err(rdev->dev, "IB initialization failed (%d).\n", r); + rdev->accel_working = false; + } + r = radeon_vm_manager_init(rdev); + if (r) { + dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); + } + + r = si_startup(rdev); + if (r) { + dev_err(rdev->dev, "disabling GPU acceleration\n"); + si_cp_fini(rdev); + si_irq_fini(rdev); + si_rlc_fini(rdev); + radeon_wb_fini(rdev); + r100_ib_fini(rdev); + radeon_vm_manager_fini(rdev); + radeon_irq_kms_fini(rdev); + si_pcie_gart_fini(rdev); + rdev->accel_working = false; + } + + /* Don't start up if the MC ucode is missing. + * The default clocks and voltages before the MC ucode + * is loaded are not suffient for advanced operations. + */ + if (!rdev->mc_fw) { + DRM_ERROR("radeon: MC ucode required for NI+.\n"); + return -EINVAL; + } + + return 0; +} + +void si_fini(struct radeon_device *rdev) +{ +#if 0 + r600_blit_fini(rdev); +#endif + si_cp_fini(rdev); + si_irq_fini(rdev); + si_rlc_fini(rdev); + radeon_wb_fini(rdev); + radeon_vm_manager_fini(rdev); + r100_ib_fini(rdev); + radeon_irq_kms_fini(rdev); + si_pcie_gart_fini(rdev); + r600_vram_scratch_fini(rdev); + radeon_gem_fini(rdev); + radeon_semaphore_driver_fini(rdev); + radeon_fence_driver_fini(rdev); + radeon_bo_fini(rdev); + radeon_atombios_fini(rdev); + kfree(rdev->bios); + rdev->bios = NULL; +} + |