From: Alex Deucher <alexander.deucher@xxxxxxx>
v2: update to latest driver changes
v3: properly tear down vm on suspend
v4: fix up irq init ordering
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/radeon/cik.c | 340 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 340 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index cf1e0b1..cbc64a2 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -73,6 +73,8 @@ extern void r600_ih_ring_fini(struct radeon_device *rdev);
extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
extern void si_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
+extern void si_rlc_fini(struct radeon_device *rdev);
+extern int si_rlc_init(struct radeon_device *rdev);
#define BONAIRE_IO_MC_REGS_SIZE 36
@@ -4681,3 +4683,341 @@ restart_ih:
return IRQ_HANDLED;
}
+
+/*
+ * startup/shutdown callbacks
+ */
+/**
+ * cik_startup - program the asic to a functional state
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Programs the asic to a functional state (CIK).
+ * Called by cik_init() and cik_resume().
+ * Returns 0 for success, error for failure.
+ */
+static int cik_startup(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring;
+ int r;
+
+ if (rdev->flags & RADEON_IS_IGP) {
+ if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
+ !rdev->mec_fw || !rdev->sdma_fw || !rdev->rlc_fw) {
+ r = cik_init_microcode(rdev);
+ if (r) {
+ DRM_ERROR("Failed to load firmware!\n");
+ return r;
+ }
+ }
+ } else {
+ if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
+ !rdev->mec_fw || !rdev->sdma_fw || !rdev->rlc_fw ||
+ !rdev->mc_fw) {
+ r = cik_init_microcode(rdev);
+ if (r) {
+ DRM_ERROR("Failed to load firmware!\n");
+ return r;
+ }
+ }
+
+ r = ci_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;
+
+ cik_mc_program(rdev);
+ r = cik_pcie_gart_enable(rdev);
+ if (r)
+ return r;
+ cik_gpu_init(rdev);
+
+ /* 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, R600_RING_TYPE_DMA_INDEX);
+ if (r) {
+ dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
+ return r;
+ }
+
+ r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
+ if (r) {
+ dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
+ return r;
+ }
+
+ /* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
+ r = cik_irq_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: IH init failed (%d).\n", r);
+ radeon_irq_kms_fini(rdev);
+ return r;
+ }
+ cik_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[R600_RING_TYPE_DMA_INDEX];
+ r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
+ SDMA0_GFX_RB_RPTR + SDMA0_REGISTER_OFFSET,
+ SDMA0_GFX_RB_WPTR + SDMA0_REGISTER_OFFSET,
+ 2, 0xfffffffc, SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0));
+ if (r)
+ return r;
+
+ ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
+ r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
+ SDMA0_GFX_RB_RPTR + SDMA1_REGISTER_OFFSET,
+ SDMA0_GFX_RB_WPTR + SDMA1_REGISTER_OFFSET,
+ 2, 0xfffffffc, SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0));
+ if (r)
+ return r;
+
+ r = cik_cp_resume(rdev);
+ if (r)
+ return r;
+
+ r = cik_sdma_resume(rdev);
+ if (r)
+ return r;
+
+ r = radeon_ib_pool_init(rdev);
+ if (r) {
+ dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
+ return r;
+ }
+
+ r = radeon_vm_manager_init(rdev);
+ if (r) {
+ dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
+ return r;
+ }
+
+ return 0;
+}
+
+/**
+ * cik_resume - resume the asic to a functional state
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Programs the asic to a functional state (CIK).
+ * Called at resume.
+ * Returns 0 for success, error for failure.
+ */
+int cik_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 = cik_startup(rdev);
+ if (r) {
+ DRM_ERROR("cik startup failed on resume\n");
+ rdev->accel_working = false;
+ return r;
+ }
+
+ return r;
+
+}
+
+/**
+ * cik_suspend - suspend the asic
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Bring the chip into a state suitable for suspend (CIK).
+ * Called at suspend.
+ * Returns 0 for success.
+ */
+int cik_suspend(struct radeon_device *rdev)
+{
+ radeon_vm_manager_fini(rdev);
+ cik_cp_enable(rdev, false);
+ cik_sdma_enable(rdev, false);
+ cik_irq_suspend(rdev);
+ radeon_wb_disable(rdev);
+ cik_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.
+ */
+/**
+ * cik_init - asic specific driver and hw init
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Setup asic specific driver variables and program the hw
+ * to a functional state (CIK).
+ * Called at driver startup.
+ * Returns 0 for success, errors for failure.
+ */
+int cik_init(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring;
+ int 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 */
+ cik_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 = cik_mc_init(rdev);
+ if (r)
+ return r;
+ /* Memory manager */
+ r = radeon_bo_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[R600_RING_TYPE_DMA_INDEX];
+ ring->ring_obj = NULL;
+ r600_ring_init(rdev, ring, 256 * 1024);
+
+ ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
+ ring->ring_obj = NULL;
+ r600_ring_init(rdev, ring, 256 * 1024);
+
+ rdev->ih.ring_obj = NULL;
+ r600_ih_ring_init(rdev, 64 * 1024);
+
+ r = r600_pcie_gart_init(rdev);
+ if (r)
+ return r;
+
+ rdev->accel_working = true;
+ r = cik_startup(rdev);
+ if (r) {
+ dev_err(rdev->dev, "disabling GPU acceleration\n");
+ cik_cp_fini(rdev);
+ cik_sdma_fini(rdev);
+ cik_irq_fini(rdev);
+ si_rlc_fini(rdev);
+ radeon_wb_fini(rdev);
+ radeon_ib_pool_fini(rdev);
+ radeon_vm_manager_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ cik_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 && !(rdev->flags & RADEON_IS_IGP)) {
+ DRM_ERROR("radeon: MC ucode required for NI+.\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * cik_fini - asic specific driver and hw fini
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Tear down the asic specific driver variables and program the hw
+ * to an idle state (CIK).
+ * Called at driver unload.
+ */
+void cik_fini(struct radeon_device *rdev)
+{
+ cik_cp_fini(rdev);
+ cik_sdma_fini(rdev);
+ cik_irq_fini(rdev);
+ si_rlc_fini(rdev);
+ radeon_wb_fini(rdev);
+ radeon_vm_manager_fini(rdev);
+ radeon_ib_pool_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ cik_pcie_gart_fini(rdev);
+ r600_vram_scratch_fini(rdev);
+ radeon_gem_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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