aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_device.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c813
1 files changed, 813 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
new file mode 100644
index 00000000000..5fd2b639bf6
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -0,0 +1,813 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ * Alex Deucher
+ * Jerome Glisse
+ */
+#include <linux/console.h>
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/radeon_drm.h>
+#include "radeon_reg.h"
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "atom.h"
+
+/*
+ * GPU scratch registers helpers function.
+ */
+static void radeon_scratch_init(struct radeon_device *rdev)
+{
+ int i;
+
+ /* FIXME: check this out */
+ if (rdev->family < CHIP_R300) {
+ rdev->scratch.num_reg = 5;
+ } else {
+ rdev->scratch.num_reg = 7;
+ }
+ for (i = 0; i < rdev->scratch.num_reg; i++) {
+ rdev->scratch.free[i] = true;
+ rdev->scratch.reg[i] = RADEON_SCRATCH_REG0 + (i * 4);
+ }
+}
+
+int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg)
+{
+ int i;
+
+ for (i = 0; i < rdev->scratch.num_reg; i++) {
+ if (rdev->scratch.free[i]) {
+ rdev->scratch.free[i] = false;
+ *reg = rdev->scratch.reg[i];
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg)
+{
+ int i;
+
+ for (i = 0; i < rdev->scratch.num_reg; i++) {
+ if (rdev->scratch.reg[i] == reg) {
+ rdev->scratch.free[i] = true;
+ return;
+ }
+ }
+}
+
+/*
+ * MC common functions
+ */
+int radeon_mc_setup(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+
+ /* Some chips have an "issue" with the memory controller, the
+ * location must be aligned to the size. We just align it down,
+ * too bad if we walk over the top of system memory, we don't
+ * use DMA without a remapped anyway.
+ * Affected chips are rv280, all r3xx, and all r4xx, but not IGP
+ */
+ /* FGLRX seems to setup like this, VRAM a 0, then GART.
+ */
+ /*
+ * Note: from R6xx the address space is 40bits but here we only
+ * use 32bits (still have to see a card which would exhaust 4G
+ * address space).
+ */
+ if (rdev->mc.vram_location != 0xFFFFFFFFUL) {
+ /* vram location was already setup try to put gtt after
+ * if it fits */
+ tmp = rdev->mc.vram_location + rdev->mc.vram_size;
+ tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1);
+ if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) {
+ rdev->mc.gtt_location = tmp;
+ } else {
+ if (rdev->mc.gtt_size >= rdev->mc.vram_location) {
+ printk(KERN_ERR "[drm] GTT too big to fit "
+ "before or after vram location.\n");
+ return -EINVAL;
+ }
+ rdev->mc.gtt_location = 0;
+ }
+ } else if (rdev->mc.gtt_location != 0xFFFFFFFFUL) {
+ /* gtt location was already setup try to put vram before
+ * if it fits */
+ if (rdev->mc.vram_size < rdev->mc.gtt_location) {
+ rdev->mc.vram_location = 0;
+ } else {
+ tmp = rdev->mc.gtt_location + rdev->mc.gtt_size;
+ tmp += (rdev->mc.vram_size - 1);
+ tmp &= ~(rdev->mc.vram_size - 1);
+ if ((0xFFFFFFFFUL - tmp) >= rdev->mc.vram_size) {
+ rdev->mc.vram_location = tmp;
+ } else {
+ printk(KERN_ERR "[drm] vram too big to fit "
+ "before or after GTT location.\n");
+ return -EINVAL;
+ }
+ }
+ } else {
+ rdev->mc.vram_location = 0;
+ rdev->mc.gtt_location = rdev->mc.vram_size;
+ }
+ DRM_INFO("radeon: VRAM %uM\n", rdev->mc.vram_size >> 20);
+ DRM_INFO("radeon: VRAM from 0x%08X to 0x%08X\n",
+ rdev->mc.vram_location,
+ rdev->mc.vram_location + rdev->mc.vram_size - 1);
+ DRM_INFO("radeon: GTT %uM\n", rdev->mc.gtt_size >> 20);
+ DRM_INFO("radeon: GTT from 0x%08X to 0x%08X\n",
+ rdev->mc.gtt_location,
+ rdev->mc.gtt_location + rdev->mc.gtt_size - 1);
+ return 0;
+}
+
+
+/*
+ * GPU helpers function.
+ */
+static bool radeon_card_posted(struct radeon_device *rdev)
+{
+ uint32_t reg;
+
+ /* first check CRTCs */
+ if (ASIC_IS_AVIVO(rdev)) {
+ reg = RREG32(AVIVO_D1CRTC_CONTROL) |
+ RREG32(AVIVO_D2CRTC_CONTROL);
+ if (reg & AVIVO_CRTC_EN) {
+ return true;
+ }
+ } else {
+ reg = RREG32(RADEON_CRTC_GEN_CNTL) |
+ RREG32(RADEON_CRTC2_GEN_CNTL);
+ if (reg & RADEON_CRTC_EN) {
+ return true;
+ }
+ }
+
+ /* then check MEM_SIZE, in case the crtcs are off */
+ if (rdev->family >= CHIP_R600)
+ reg = RREG32(R600_CONFIG_MEMSIZE);
+ else
+ reg = RREG32(RADEON_CONFIG_MEMSIZE);
+
+ if (reg)
+ return true;
+
+ return false;
+
+}
+
+
+/*
+ * Registers accessors functions.
+ */
+uint32_t radeon_invalid_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+ DRM_ERROR("Invalid callback to read register 0x%04X\n", reg);
+ BUG_ON(1);
+ return 0;
+}
+
+void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+ DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",
+ reg, v);
+ BUG_ON(1);
+}
+
+void radeon_register_accessor_init(struct radeon_device *rdev)
+{
+ rdev->mm_rreg = &r100_mm_rreg;
+ rdev->mm_wreg = &r100_mm_wreg;
+ rdev->mc_rreg = &radeon_invalid_rreg;
+ rdev->mc_wreg = &radeon_invalid_wreg;
+ rdev->pll_rreg = &radeon_invalid_rreg;
+ rdev->pll_wreg = &radeon_invalid_wreg;
+ rdev->pcie_rreg = &radeon_invalid_rreg;
+ rdev->pcie_wreg = &radeon_invalid_wreg;
+ rdev->pciep_rreg = &radeon_invalid_rreg;
+ rdev->pciep_wreg = &radeon_invalid_wreg;
+
+ /* Don't change order as we are overridding accessor. */
+ if (rdev->family < CHIP_RV515) {
+ rdev->pcie_rreg = &rv370_pcie_rreg;
+ rdev->pcie_wreg = &rv370_pcie_wreg;
+ }
+ if (rdev->family >= CHIP_RV515) {
+ rdev->pcie_rreg = &rv515_pcie_rreg;
+ rdev->pcie_wreg = &rv515_pcie_wreg;
+ }
+ /* FIXME: not sure here */
+ if (rdev->family <= CHIP_R580) {
+ rdev->pll_rreg = &r100_pll_rreg;
+ rdev->pll_wreg = &r100_pll_wreg;
+ }
+ if (rdev->family >= CHIP_RV515) {
+ rdev->mc_rreg = &rv515_mc_rreg;
+ rdev->mc_wreg = &rv515_mc_wreg;
+ }
+ if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) {
+ rdev->mc_rreg = &rs400_mc_rreg;
+ rdev->mc_wreg = &rs400_mc_wreg;
+ }
+ if (rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
+ rdev->mc_rreg = &rs690_mc_rreg;
+ rdev->mc_wreg = &rs690_mc_wreg;
+ }
+ if (rdev->family == CHIP_RS600) {
+ rdev->mc_rreg = &rs600_mc_rreg;
+ rdev->mc_wreg = &rs600_mc_wreg;
+ }
+ if (rdev->family >= CHIP_R600) {
+ rdev->pciep_rreg = &r600_pciep_rreg;
+ rdev->pciep_wreg = &r600_pciep_wreg;
+ }
+}
+
+
+/*
+ * ASIC
+ */
+int radeon_asic_init(struct radeon_device *rdev)
+{
+ radeon_register_accessor_init(rdev);
+ switch (rdev->family) {
+ case CHIP_R100:
+ case CHIP_RV100:
+ case CHIP_RS100:
+ case CHIP_RV200:
+ case CHIP_RS200:
+ case CHIP_R200:
+ case CHIP_RV250:
+ case CHIP_RS300:
+ case CHIP_RV280:
+ rdev->asic = &r100_asic;
+ break;
+ case CHIP_R300:
+ case CHIP_R350:
+ case CHIP_RV350:
+ case CHIP_RV380:
+ rdev->asic = &r300_asic;
+ break;
+ case CHIP_R420:
+ case CHIP_R423:
+ case CHIP_RV410:
+ rdev->asic = &r420_asic;
+ break;
+ case CHIP_RS400:
+ case CHIP_RS480:
+ rdev->asic = &rs400_asic;
+ break;
+ case CHIP_RS600:
+ rdev->asic = &rs600_asic;
+ break;
+ case CHIP_RS690:
+ case CHIP_RS740:
+ rdev->asic = &rs690_asic;
+ break;
+ case CHIP_RV515:
+ rdev->asic = &rv515_asic;
+ break;
+ case CHIP_R520:
+ case CHIP_RV530:
+ case CHIP_RV560:
+ case CHIP_RV570:
+ case CHIP_R580:
+ rdev->asic = &r520_asic;
+ break;
+ case CHIP_R600:
+ case CHIP_RV610:
+ case CHIP_RV630:
+ case CHIP_RV620:
+ case CHIP_RV635:
+ case CHIP_RV670:
+ case CHIP_RS780:
+ case CHIP_RV770:
+ case CHIP_RV730:
+ case CHIP_RV710:
+ default:
+ /* FIXME: not supported yet */
+ return -EINVAL;
+ }
+ return 0;
+}
+
+
+/*
+ * Wrapper around modesetting bits.
+ */
+int radeon_clocks_init(struct radeon_device *rdev)
+{
+ int r;
+
+ radeon_get_clock_info(rdev->ddev);
+ r = radeon_static_clocks_init(rdev->ddev);
+ if (r) {
+ return r;
+ }
+ DRM_INFO("Clocks initialized !\n");
+ return 0;
+}
+
+void radeon_clocks_fini(struct radeon_device *rdev)
+{
+}
+
+/* ATOM accessor methods */
+static uint32_t cail_pll_read(struct card_info *info, uint32_t reg)
+{
+ struct radeon_device *rdev = info->dev->dev_private;
+ uint32_t r;
+
+ r = rdev->pll_rreg(rdev, reg);
+ return r;
+}
+
+static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val)
+{
+ struct radeon_device *rdev = info->dev->dev_private;
+
+ rdev->pll_wreg(rdev, reg, val);
+}
+
+static uint32_t cail_mc_read(struct card_info *info, uint32_t reg)
+{
+ struct radeon_device *rdev = info->dev->dev_private;
+ uint32_t r;
+
+ r = rdev->mc_rreg(rdev, reg);
+ return r;
+}
+
+static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val)
+{
+ struct radeon_device *rdev = info->dev->dev_private;
+
+ rdev->mc_wreg(rdev, reg, val);
+}
+
+static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val)
+{
+ struct radeon_device *rdev = info->dev->dev_private;
+
+ WREG32(reg*4, val);
+}
+
+static uint32_t cail_reg_read(struct card_info *info, uint32_t reg)
+{
+ struct radeon_device *rdev = info->dev->dev_private;
+ uint32_t r;
+
+ r = RREG32(reg*4);
+ return r;
+}
+
+static struct card_info atom_card_info = {
+ .dev = NULL,
+ .reg_read = cail_reg_read,
+ .reg_write = cail_reg_write,
+ .mc_read = cail_mc_read,
+ .mc_write = cail_mc_write,
+ .pll_read = cail_pll_read,
+ .pll_write = cail_pll_write,
+};
+
+int radeon_atombios_init(struct radeon_device *rdev)
+{
+ atom_card_info.dev = rdev->ddev;
+ rdev->mode_info.atom_context = atom_parse(&atom_card_info, rdev->bios);
+ radeon_atom_initialize_bios_scratch_regs(rdev->ddev);
+ return 0;
+}
+
+void radeon_atombios_fini(struct radeon_device *rdev)
+{
+ kfree(rdev->mode_info.atom_context);
+}
+
+int radeon_combios_init(struct radeon_device *rdev)
+{
+ radeon_combios_initialize_bios_scratch_regs(rdev->ddev);
+ return 0;
+}
+
+void radeon_combios_fini(struct radeon_device *rdev)
+{
+}
+
+int radeon_modeset_init(struct radeon_device *rdev);
+void radeon_modeset_fini(struct radeon_device *rdev);
+
+
+/*
+ * Radeon device.
+ */
+int radeon_device_init(struct radeon_device *rdev,
+ struct drm_device *ddev,
+ struct pci_dev *pdev,
+ uint32_t flags)
+{
+ int r, ret;
+
+ DRM_INFO("radeon: Initializing kernel modesetting.\n");
+ rdev->shutdown = false;
+ rdev->ddev = ddev;
+ rdev->pdev = pdev;
+ rdev->flags = flags;
+ rdev->family = flags & RADEON_FAMILY_MASK;
+ rdev->is_atom_bios = false;
+ rdev->usec_timeout = RADEON_MAX_USEC_TIMEOUT;
+ rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
+ rdev->gpu_lockup = false;
+ /* mutex initialization are all done here so we
+ * can recall function without having locking issues */
+ mutex_init(&rdev->cs_mutex);
+ mutex_init(&rdev->ib_pool.mutex);
+ mutex_init(&rdev->cp.mutex);
+ rwlock_init(&rdev->fence_drv.lock);
+
+ if (radeon_agpmode == -1) {
+ rdev->flags &= ~RADEON_IS_AGP;
+ if (rdev->family > CHIP_RV515 ||
+ rdev->family == CHIP_RV380 ||
+ rdev->family == CHIP_RV410 ||
+ rdev->family == CHIP_R423) {
+ DRM_INFO("Forcing AGP to PCIE mode\n");
+ rdev->flags |= RADEON_IS_PCIE;
+ } else {
+ DRM_INFO("Forcing AGP to PCI mode\n");
+ rdev->flags |= RADEON_IS_PCI;
+ }
+ }
+
+ /* Set asic functions */
+ r = radeon_asic_init(rdev);
+ if (r) {
+ return r;
+ }
+
+ /* Report DMA addressing limitation */
+ r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(32));
+ if (r) {
+ printk(KERN_WARNING "radeon: No suitable DMA available.\n");
+ }
+
+ /* Registers mapping */
+ /* TODO: block userspace mapping of io register */
+ rdev->rmmio_base = drm_get_resource_start(rdev->ddev, 2);
+ rdev->rmmio_size = drm_get_resource_len(rdev->ddev, 2);
+ rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size);
+ if (rdev->rmmio == NULL) {
+ return -ENOMEM;
+ }
+ DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base);
+ DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size);
+
+ /* Setup errata flags */
+ radeon_errata(rdev);
+ /* Initialize scratch registers */
+ radeon_scratch_init(rdev);
+
+ /* TODO: disable VGA need to use VGA request */
+ /* BIOS*/
+ if (!radeon_get_bios(rdev)) {
+ if (ASIC_IS_AVIVO(rdev))
+ return -EINVAL;
+ }
+ if (rdev->is_atom_bios) {
+ r = radeon_atombios_init(rdev);
+ if (r) {
+ return r;
+ }
+ } else {
+ r = radeon_combios_init(rdev);
+ if (r) {
+ return r;
+ }
+ }
+ /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+ if (radeon_gpu_reset(rdev)) {
+ /* FIXME: what do we want to do here ? */
+ }
+ /* check if cards are posted or not */
+ if (!radeon_card_posted(rdev) && rdev->bios) {
+ DRM_INFO("GPU not posted. posting now...\n");
+ if (rdev->is_atom_bios) {
+ atom_asic_init(rdev->mode_info.atom_context);
+ } else {
+ radeon_combios_asic_init(rdev->ddev);
+ }
+ }
+ /* Get vram informations */
+ radeon_vram_info(rdev);
+ /* Device is severly broken if aper size > vram size.
+ * for RN50/M6/M7 - Novell bug 204882 ?
+ */
+ if (rdev->mc.vram_size < rdev->mc.aper_size) {
+ rdev->mc.aper_size = rdev->mc.vram_size;
+ }
+ /* Add an MTRR for the VRAM */
+ rdev->mc.vram_mtrr = mtrr_add(rdev->mc.aper_base, rdev->mc.aper_size,
+ MTRR_TYPE_WRCOMB, 1);
+ DRM_INFO("Detected VRAM RAM=%uM, BAR=%uM\n",
+ rdev->mc.vram_size >> 20,
+ (unsigned)rdev->mc.aper_size >> 20);
+ DRM_INFO("RAM width %dbits %cDR\n",
+ rdev->mc.vram_width, rdev->mc.vram_is_ddr ? 'D' : 'S');
+ /* Initialize clocks */
+ r = radeon_clocks_init(rdev);
+ if (r) {
+ return r;
+ }
+ /* Initialize memory controller (also test AGP) */
+ r = radeon_mc_init(rdev);
+ if (r) {
+ return r;
+ }
+ /* Fence driver */
+ r = radeon_fence_driver_init(rdev);
+ if (r) {
+ return r;
+ }
+ r = radeon_irq_kms_init(rdev);
+ if (r) {
+ return r;
+ }
+ /* Memory manager */
+ r = radeon_object_init(rdev);
+ if (r) {
+ return r;
+ }
+ /* Initialize GART (initialize after TTM so we can allocate
+ * memory through TTM but finalize after TTM) */
+ r = radeon_gart_enable(rdev);
+ if (!r) {
+ r = radeon_gem_init(rdev);
+ }
+
+ /* 1M ring buffer */
+ if (!r) {
+ r = radeon_cp_init(rdev, 1024 * 1024);
+ }
+ if (!r) {
+ r = radeon_wb_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: failled initializing WB (%d).\n", r);
+ return r;
+ }
+ }
+ if (!r) {
+ r = radeon_ib_pool_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r);
+ return r;
+ }
+ }
+ if (!r) {
+ r = radeon_ib_test(rdev);
+ if (r) {
+ DRM_ERROR("radeon: failled testing IB (%d).\n", r);
+ return r;
+ }
+ }
+ ret = r;
+ r = radeon_modeset_init(rdev);
+ if (r) {
+ return r;
+ }
+ if (rdev->fbdev_rfb && rdev->fbdev_rfb->obj) {
+ rdev->fbdev_robj = rdev->fbdev_rfb->obj->driver_private;
+ }
+ if (!ret) {
+ DRM_INFO("radeon: kernel modesetting successfully initialized.\n");
+ }
+ if (radeon_benchmarking) {
+ radeon_benchmark(rdev);
+ }
+ return ret;
+}
+
+void radeon_device_fini(struct radeon_device *rdev)
+{
+ if (rdev == NULL || rdev->rmmio == NULL) {
+ return;
+ }
+ DRM_INFO("radeon: finishing device.\n");
+ rdev->shutdown = true;
+ /* Order matter so becarefull if you rearrange anythings */
+ radeon_modeset_fini(rdev);
+ radeon_ib_pool_fini(rdev);
+ radeon_cp_fini(rdev);
+ radeon_wb_fini(rdev);
+ radeon_gem_fini(rdev);
+ radeon_object_fini(rdev);
+ /* mc_fini must be after object_fini */
+ radeon_mc_fini(rdev);
+#if __OS_HAS_AGP
+ radeon_agp_fini(rdev);
+#endif
+ radeon_irq_kms_fini(rdev);
+ radeon_fence_driver_fini(rdev);
+ radeon_clocks_fini(rdev);
+ if (rdev->is_atom_bios) {
+ radeon_atombios_fini(rdev);
+ } else {
+ radeon_combios_fini(rdev);
+ }
+ kfree(rdev->bios);
+ rdev->bios = NULL;
+ iounmap(rdev->rmmio);
+ rdev->rmmio = NULL;
+}
+
+
+/*
+ * Suspend & resume.
+ */
+int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_crtc *crtc;
+
+ if (dev == NULL || rdev == NULL) {
+ return -ENODEV;
+ }
+ if (state.event == PM_EVENT_PRETHAW) {
+ return 0;
+ }
+ /* unpin the front buffers */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);
+ struct radeon_object *robj;
+
+ if (rfb == NULL || rfb->obj == NULL) {
+ continue;
+ }
+ robj = rfb->obj->driver_private;
+ if (robj != rdev->fbdev_robj) {
+ radeon_object_unpin(robj);
+ }
+ }
+ /* evict vram memory */
+ radeon_object_evict_vram(rdev);
+ /* wait for gpu to finish processing current batch */
+ radeon_fence_wait_last(rdev);
+
+ radeon_cp_disable(rdev);
+ radeon_gart_disable(rdev);
+
+ /* evict remaining vram memory */
+ radeon_object_evict_vram(rdev);
+
+ rdev->irq.sw_int = false;
+ radeon_irq_set(rdev);
+
+ pci_save_state(dev->pdev);
+ if (state.event == PM_EVENT_SUSPEND) {
+ /* Shut down the device */
+ pci_disable_device(dev->pdev);
+ pci_set_power_state(dev->pdev, PCI_D3hot);
+ }
+ acquire_console_sem();
+ fb_set_suspend(rdev->fbdev_info, 1);
+ release_console_sem();
+ return 0;
+}
+
+int radeon_resume_kms(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ int r;
+
+ acquire_console_sem();
+ pci_set_power_state(dev->pdev, PCI_D0);
+ pci_restore_state(dev->pdev);
+ if (pci_enable_device(dev->pdev)) {
+ release_console_sem();
+ return -1;
+ }
+ pci_set_master(dev->pdev);
+ /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+ if (radeon_gpu_reset(rdev)) {
+ /* FIXME: what do we want to do here ? */
+ }
+ /* post card */
+ if (rdev->is_atom_bios) {
+ atom_asic_init(rdev->mode_info.atom_context);
+ } else {
+ radeon_combios_asic_init(rdev->ddev);
+ }
+ /* Initialize clocks */
+ r = radeon_clocks_init(rdev);
+ if (r) {
+ release_console_sem();
+ return r;
+ }
+ /* Enable IRQ */
+ rdev->irq.sw_int = true;
+ radeon_irq_set(rdev);
+ /* Initialize GPU Memory Controller */
+ r = radeon_mc_init(rdev);
+ if (r) {
+ goto out;
+ }
+ r = radeon_gart_enable(rdev);
+ if (r) {
+ goto out;
+ }
+ r = radeon_cp_init(rdev, rdev->cp.ring_size);
+ if (r) {
+ goto out;
+ }
+out:
+ fb_set_suspend(rdev->fbdev_info, 0);
+ release_console_sem();
+
+ /* blat the mode back in */
+ drm_helper_resume_force_mode(dev);
+ return 0;
+}
+
+
+/*
+ * Debugfs
+ */
+struct radeon_debugfs {
+ struct drm_info_list *files;
+ unsigned num_files;
+};
+static struct radeon_debugfs _radeon_debugfs[RADEON_DEBUGFS_MAX_NUM_FILES];
+static unsigned _radeon_debugfs_count = 0;
+
+int radeon_debugfs_add_files(struct radeon_device *rdev,
+ struct drm_info_list *files,
+ unsigned nfiles)
+{
+ unsigned i;
+
+ for (i = 0; i < _radeon_debugfs_count; i++) {
+ if (_radeon_debugfs[i].files == files) {
+ /* Already registered */
+ return 0;
+ }
+ }
+ if ((_radeon_debugfs_count + nfiles) > RADEON_DEBUGFS_MAX_NUM_FILES) {
+ DRM_ERROR("Reached maximum number of debugfs files.\n");
+ DRM_ERROR("Report so we increase RADEON_DEBUGFS_MAX_NUM_FILES.\n");
+ return -EINVAL;
+ }
+ _radeon_debugfs[_radeon_debugfs_count].files = files;
+ _radeon_debugfs[_radeon_debugfs_count].num_files = nfiles;
+ _radeon_debugfs_count++;
+#if defined(CONFIG_DEBUG_FS)
+ drm_debugfs_create_files(files, nfiles,
+ rdev->ddev->control->debugfs_root,
+ rdev->ddev->control);
+ drm_debugfs_create_files(files, nfiles,
+ rdev->ddev->primary->debugfs_root,
+ rdev->ddev->primary);
+#endif
+ return 0;
+}
+
+#if defined(CONFIG_DEBUG_FS)
+int radeon_debugfs_init(struct drm_minor *minor)
+{
+ return 0;
+}
+
+void radeon_debugfs_cleanup(struct drm_minor *minor)
+{
+ unsigned i;
+
+ for (i = 0; i < _radeon_debugfs_count; i++) {
+ drm_debugfs_remove_files(_radeon_debugfs[i].files,
+ _radeon_debugfs[i].num_files, minor);
+ }
+}
+#endif