From: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
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 6aecbf5..4c0d8d2 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;
+}
+
--
1.7.7.5
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