* Alex Deucher
* Jerome Glisse
*/
+#include <linux/kthread.h>
#include <linux/console.h>
#include <linux/slab.h>
#include <linux/debugfs.h>
#include <linux/vga_switcheroo.h>
#include <linux/efi.h>
#include "amdgpu.h"
+#include "amdgpu_trace.h"
#include "amdgpu_i2c.h"
#include "atom.h"
#include "amdgpu_atombios.h"
uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
bool always_indirect)
{
+ uint32_t ret;
+
if ((reg * 4) < adev->rmmio_size && !always_indirect)
- return readl(((void __iomem *)adev->rmmio) + (reg * 4));
+ ret = readl(((void __iomem *)adev->rmmio) + (reg * 4));
else {
unsigned long flags;
- uint32_t ret;
spin_lock_irqsave(&adev->mmio_idx_lock, flags);
writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4));
ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4));
spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
-
- return ret;
}
+ trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret);
+ return ret;
}
void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
bool always_indirect)
{
+ trace_amdgpu_mm_wreg(adev->pdev->device, reg, v);
+
if ((reg * 4) < adev->rmmio_size && !always_indirect)
writel(v, ((void __iomem *)adev->rmmio) + (reg * 4));
else {
int i, r = 0;
for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
state);
if (r)
return r;
+ break;
}
}
return r;
int i, r = 0;
for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
if (adev->ip_blocks[i].type == block_type) {
r = adev->ip_blocks[i].funcs->set_powergating_state((void *)adev,
state);
if (r)
return r;
+ break;
}
}
return r;
}
+int amdgpu_wait_for_idle(struct amdgpu_device *adev,
+ enum amd_ip_block_type block_type)
+{
+ int i, r;
+
+ for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
+ if (adev->ip_blocks[i].type == block_type) {
+ r = adev->ip_blocks[i].funcs->wait_for_idle((void *)adev);
+ if (r)
+ return r;
+ break;
+ }
+ }
+ return 0;
+
+}
+
+bool amdgpu_is_idle(struct amdgpu_device *adev,
+ enum amd_ip_block_type block_type)
+{
+ int i;
+
+ for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_block_status[i].valid)
+ continue;
+ if (adev->ip_blocks[i].type == block_type)
+ return adev->ip_blocks[i].funcs->is_idle((void *)adev);
+ }
+ return true;
+
+}
+
const struct amdgpu_ip_block_version * amdgpu_get_ip_block(
struct amdgpu_device *adev,
enum amd_ip_block_type type)
}
}
+ adev->cg_flags &= amdgpu_cg_mask;
+ adev->pg_flags &= amdgpu_pg_mask;
+
return 0;
}
adev->uvd_ctx_wreg = &amdgpu_invalid_wreg;
adev->didt_rreg = &amdgpu_invalid_rreg;
adev->didt_wreg = &amdgpu_invalid_wreg;
+ adev->gc_cac_rreg = &amdgpu_invalid_rreg;
+ adev->gc_cac_wreg = &amdgpu_invalid_wreg;
adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg;
adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg;
+
DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n",
amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device,
pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision);
spin_lock_init(&adev->pcie_idx_lock);
spin_lock_init(&adev->uvd_ctx_idx_lock);
spin_lock_init(&adev->didt_idx_lock);
+ spin_lock_init(&adev->gc_cac_idx_lock);
spin_lock_init(&adev->audio_endpt_idx_lock);
adev->rmmio_base = pci_resource_start(adev->pdev, 5);
vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain);
/* Read BIOS */
- if (!amdgpu_get_bios(adev))
- return -EINVAL;
+ if (!amdgpu_get_bios(adev)) {
+ r = -EINVAL;
+ goto failed;
+ }
/* Must be an ATOMBIOS */
if (!adev->is_atom_bios) {
dev_err(adev->dev, "Expecting atombios for GPU\n");
- return -EINVAL;
+ r = -EINVAL;
+ goto failed;
}
r = amdgpu_atombios_init(adev);
if (r) {
dev_err(adev->dev, "amdgpu_atombios_init failed\n");
- return r;
+ goto failed;
}
/* See if the asic supports SR-IOV */
!(adev->virtualization.caps & AMDGPU_VIRT_CAPS_SRIOV_EN))) {
if (!adev->bios) {
dev_err(adev->dev, "Card not posted and no BIOS - ignoring\n");
- return -EINVAL;
+ r = -EINVAL;
+ goto failed;
}
DRM_INFO("GPU not posted. posting now...\n");
amdgpu_atom_asic_init(adev->mode_info.atom_context);
r = amdgpu_atombios_get_clock_info(adev);
if (r) {
dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n");
- return r;
+ goto failed;
}
/* init i2c buses */
amdgpu_atombios_i2c_init(adev);
r = amdgpu_fence_driver_init(adev);
if (r) {
dev_err(adev->dev, "amdgpu_fence_driver_init failed\n");
- return r;
+ goto failed;
}
/* init the mode config */
if (r) {
dev_err(adev->dev, "amdgpu_init failed\n");
amdgpu_fini(adev);
- return r;
+ goto failed;
}
adev->accel_working = true;
r = amdgpu_ib_pool_init(adev);
if (r) {
dev_err(adev->dev, "IB initialization failed (%d).\n", r);
- return r;
+ goto failed;
}
r = amdgpu_ib_ring_tests(adev);
DRM_ERROR("registering register debugfs failed (%d).\n", r);
}
+ r = amdgpu_debugfs_firmware_init(adev);
+ if (r) {
+ DRM_ERROR("registering firmware debugfs failed (%d).\n", r);
+ return r;
+ }
+
if ((amdgpu_testing & 1)) {
if (adev->accel_working)
amdgpu_test_moves(adev);
r = amdgpu_late_init(adev);
if (r) {
dev_err(adev->dev, "amdgpu_late_init failed\n");
- return r;
+ goto failed;
}
return 0;
+
+failed:
+ if (runtime)
+ vga_switcheroo_fini_domain_pm_ops(adev->dev);
+ return r;
}
static void amdgpu_debugfs_remove_files(struct amdgpu_device *adev);
DRM_INFO("amdgpu: finishing device.\n");
adev->shutdown = true;
+ drm_crtc_force_disable_all(adev->ddev);
/* evict vram memory */
amdgpu_bo_evict_vram(adev);
amdgpu_ib_pool_fini(adev);
kfree(adev->bios);
adev->bios = NULL;
vga_switcheroo_unregister_client(adev->pdev);
+ if (adev->flags & AMD_IS_PX)
+ vga_switcheroo_fini_domain_pm_ops(adev->dev);
vga_client_register(adev->pdev, NULL, NULL, NULL);
if (adev->rio_mem)
pci_iounmap(adev->pdev, adev->rio_mem);
}
drm_kms_helper_poll_enable(dev);
+
+ /*
+ * Most of the connector probing functions try to acquire runtime pm
+ * refs to ensure that the GPU is powered on when connector polling is
+ * performed. Since we're calling this from a runtime PM callback,
+ * trying to acquire rpm refs will cause us to deadlock.
+ *
+ * Since we're guaranteed to be holding the rpm lock, it's safe to
+ * temporarily disable the rpm helpers so this doesn't deadlock us.
+ */
+#ifdef CONFIG_PM
+ dev->dev->power.disable_depth++;
+#endif
drm_helper_hpd_irq_event(dev);
+#ifdef CONFIG_PM
+ dev->dev->power.disable_depth--;
+#endif
if (fbcon) {
amdgpu_fbdev_set_suspend(adev, 0);
*/
int amdgpu_gpu_reset(struct amdgpu_device *adev)
{
- unsigned ring_sizes[AMDGPU_MAX_RINGS];
- uint32_t *ring_data[AMDGPU_MAX_RINGS];
-
- bool saved = false;
-
int i, r;
int resched;
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
- r = amdgpu_suspend(adev);
-
+ /* block scheduler */
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
+
if (!ring)
continue;
-
- ring_sizes[i] = amdgpu_ring_backup(ring, &ring_data[i]);
- if (ring_sizes[i]) {
- saved = true;
- dev_info(adev->dev, "Saved %d dwords of commands "
- "on ring %d.\n", ring_sizes[i], i);
- }
+ kthread_park(ring->sched.thread);
+ amd_sched_hw_job_reset(&ring->sched);
}
+ /* after all hw jobs are reset, hw fence is meaningless, so force_completion */
+ amdgpu_fence_driver_force_completion(adev);
+
+ /* save scratch */
+ amdgpu_atombios_scratch_regs_save(adev);
+ r = amdgpu_suspend(adev);
retry:
+ /* Disable fb access */
+ if (adev->mode_info.num_crtc) {
+ struct amdgpu_mode_mc_save save;
+ amdgpu_display_stop_mc_access(adev, &save);
+ amdgpu_wait_for_idle(adev, AMD_IP_BLOCK_TYPE_GMC);
+ }
+
r = amdgpu_asic_reset(adev);
/* post card */
amdgpu_atom_asic_init(adev->mode_info.atom_context);
dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
r = amdgpu_resume(adev);
}
-
+ /* restore scratch */
+ amdgpu_atombios_scratch_regs_restore(adev);
if (!r) {
+ r = amdgpu_ib_ring_tests(adev);
+ if (r) {
+ dev_err(adev->dev, "ib ring test failed (%d).\n", r);
+ r = amdgpu_suspend(adev);
+ goto retry;
+ }
+
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
if (!ring)
continue;
-
- amdgpu_ring_restore(ring, ring_sizes[i], ring_data[i]);
- ring_sizes[i] = 0;
- ring_data[i] = NULL;
- }
-
- r = amdgpu_ib_ring_tests(adev);
- if (r) {
- dev_err(adev->dev, "ib ring test failed (%d).\n", r);
- if (saved) {
- saved = false;
- r = amdgpu_suspend(adev);
- goto retry;
- }
+ amd_sched_job_recovery(&ring->sched);
+ kthread_unpark(ring->sched.thread);
}
} else {
- amdgpu_fence_driver_force_completion(adev);
+ dev_err(adev->dev, "asic resume failed (%d).\n", r);
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
- if (adev->rings[i])
- kfree(ring_data[i]);
+ if (adev->rings[i]) {
+ kthread_unpark(adev->rings[i]->sched.thread);
+ }
}
}
/* bad news, how to tell it to userspace ? */
dev_info(adev->dev, "GPU reset failed\n");
}
+ amdgpu_irq_gpu_reset_resume_helper(adev);
return r;
}
-#define AMDGPU_DEFAULT_PCIE_GEN_MASK 0x30007 /* gen: chipset 1/2, asic 1/2/3 */
-#define AMDGPU_DEFAULT_PCIE_MLW_MASK 0x2f0000 /* 1/2/4/8/16 lanes */
-
void amdgpu_get_pcie_info(struct amdgpu_device *adev)
{
u32 mask;
struct amdgpu_device *adev = f->f_inode->i_private;
ssize_t result = 0;
int r;
+ bool use_bank;
+ unsigned instance_bank, sh_bank, se_bank;
if (size & 0x3 || *pos & 0x3)
return -EINVAL;
+ if (*pos & (1ULL << 62)) {
+ se_bank = (*pos >> 24) & 0x3FF;
+ sh_bank = (*pos >> 34) & 0x3FF;
+ instance_bank = (*pos >> 44) & 0x3FF;
+ use_bank = 1;
+ *pos &= 0xFFFFFF;
+ } else {
+ use_bank = 0;
+ }
+
+ if (use_bank) {
+ if (sh_bank >= adev->gfx.config.max_sh_per_se ||
+ se_bank >= adev->gfx.config.max_shader_engines)
+ return -EINVAL;
+ mutex_lock(&adev->grbm_idx_mutex);
+ amdgpu_gfx_select_se_sh(adev, se_bank,
+ sh_bank, instance_bank);
+ }
+
while (size) {
uint32_t value;
if (*pos > adev->rmmio_size)
- return result;
+ goto end;
value = RREG32(*pos >> 2);
r = put_user(value, (uint32_t *)buf);
- if (r)
- return r;
+ if (r) {
+ result = r;
+ goto end;
+ }
result += 4;
buf += 4;
size -= 4;
}
+end:
+ if (use_bank) {
+ amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+ mutex_unlock(&adev->grbm_idx_mutex);
+ }
+
return result;
}
return result;
}
+static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = f->f_inode->i_private;
+ ssize_t result = 0;
+ int r;
+ uint32_t *config, no_regs = 0;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ config = kmalloc(256 * sizeof(*config), GFP_KERNEL);
+ if (!config)
+ return -ENOMEM;
+
+ /* version, increment each time something is added */
+ config[no_regs++] = 0;
+ config[no_regs++] = adev->gfx.config.max_shader_engines;
+ config[no_regs++] = adev->gfx.config.max_tile_pipes;
+ config[no_regs++] = adev->gfx.config.max_cu_per_sh;
+ config[no_regs++] = adev->gfx.config.max_sh_per_se;
+ config[no_regs++] = adev->gfx.config.max_backends_per_se;
+ config[no_regs++] = adev->gfx.config.max_texture_channel_caches;
+ config[no_regs++] = adev->gfx.config.max_gprs;
+ config[no_regs++] = adev->gfx.config.max_gs_threads;
+ config[no_regs++] = adev->gfx.config.max_hw_contexts;
+ config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend;
+ config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend;
+ config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size;
+ config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size;
+ config[no_regs++] = adev->gfx.config.num_tile_pipes;
+ config[no_regs++] = adev->gfx.config.backend_enable_mask;
+ config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes;
+ config[no_regs++] = adev->gfx.config.mem_row_size_in_kb;
+ config[no_regs++] = adev->gfx.config.shader_engine_tile_size;
+ config[no_regs++] = adev->gfx.config.num_gpus;
+ config[no_regs++] = adev->gfx.config.multi_gpu_tile_size;
+ config[no_regs++] = adev->gfx.config.mc_arb_ramcfg;
+ config[no_regs++] = adev->gfx.config.gb_addr_config;
+ config[no_regs++] = adev->gfx.config.num_rbs;
+
+ while (size && (*pos < no_regs * 4)) {
+ uint32_t value;
+
+ value = config[*pos >> 2];
+ r = put_user(value, (uint32_t *)buf);
+ if (r) {
+ kfree(config);
+ return r;
+ }
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ kfree(config);
+ return result;
+}
+
+
static const struct file_operations amdgpu_debugfs_regs_fops = {
.owner = THIS_MODULE,
.read = amdgpu_debugfs_regs_read,
.llseek = default_llseek
};
+static const struct file_operations amdgpu_debugfs_gca_config_fops = {
+ .owner = THIS_MODULE,
+ .read = amdgpu_debugfs_gca_config_read,
+ .llseek = default_llseek
+};
+
static const struct file_operations *debugfs_regs[] = {
&amdgpu_debugfs_regs_fops,
&amdgpu_debugfs_regs_didt_fops,
&amdgpu_debugfs_regs_pcie_fops,
&amdgpu_debugfs_regs_smc_fops,
+ &amdgpu_debugfs_gca_config_fops,
};
static const char *debugfs_regs_names[] = {
"amdgpu_regs_didt",
"amdgpu_regs_pcie",
"amdgpu_regs_smc",
+ "amdgpu_gca_config",
};
static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
projects / linux-2.6-block.git / blobdiff