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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c241
1 files changed, 205 insertions, 36 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index f60753f97ac5..56e89e76ff17 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -56,14 +56,14 @@
*
* Bit 62: Indicates a GRBM bank switch is needed
* Bit 61: Indicates a SRBM bank switch is needed (implies bit 62 is
- * zero)
+ * zero)
* Bits 24..33: The SE or ME selector if needed
* Bits 34..43: The SH (or SA) or PIPE selector if needed
* Bits 44..53: The INSTANCE (or CU/WGP) or QUEUE selector if needed
*
* Bit 23: Indicates that the PM power gating lock should be held
- * This is necessary to read registers that might be
- * unreliable during a power gating transistion.
+ * This is necessary to read registers that might be
+ * unreliable during a power gating transistion.
*
* The lower bits are the BYTE offset of the register to read. This
* allows reading multiple registers in a single call and having
@@ -76,7 +76,7 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f,
ssize_t result = 0;
int r;
bool pm_pg_lock, use_bank, use_ring;
- unsigned instance_bank, sh_bank, se_bank, me, pipe, queue, vmid;
+ unsigned int instance_bank, sh_bank, se_bank, me, pipe, queue, vmid;
pm_pg_lock = use_bank = use_ring = false;
instance_bank = sh_bank = se_bank = me = pipe = queue = vmid = 0;
@@ -136,10 +136,10 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f,
}
mutex_lock(&adev->grbm_idx_mutex);
amdgpu_gfx_select_se_sh(adev, se_bank,
- sh_bank, instance_bank);
+ sh_bank, instance_bank, 0);
} else if (use_ring) {
mutex_lock(&adev->srbm_mutex);
- amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue, vmid);
+ amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue, vmid, 0);
}
if (pm_pg_lock)
@@ -169,10 +169,10 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f,
end:
if (use_bank) {
- amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+ amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff, 0);
mutex_unlock(&adev->grbm_idx_mutex);
} else if (use_ring) {
- amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0, 0);
+ amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0, 0, 0);
mutex_unlock(&adev->srbm_mutex);
}
@@ -208,7 +208,7 @@ static int amdgpu_debugfs_regs2_open(struct inode *inode, struct file *file)
{
struct amdgpu_debugfs_regs2_data *rd;
- rd = kzalloc(sizeof *rd, GFP_KERNEL);
+ rd = kzalloc(sizeof(*rd), GFP_KERNEL);
if (!rd)
return -ENOMEM;
rd->adev = file_inode(file)->i_private;
@@ -221,6 +221,7 @@ static int amdgpu_debugfs_regs2_open(struct inode *inode, struct file *file)
static int amdgpu_debugfs_regs2_release(struct inode *inode, struct file *file)
{
struct amdgpu_debugfs_regs2_data *rd = file->private_data;
+
mutex_destroy(&rd->lock);
kfree(file->private_data);
return 0;
@@ -262,14 +263,14 @@ static ssize_t amdgpu_debugfs_regs2_op(struct file *f, char __user *buf, u32 off
}
mutex_lock(&adev->grbm_idx_mutex);
amdgpu_gfx_select_se_sh(adev, rd->id.grbm.se,
- rd->id.grbm.sh,
- rd->id.grbm.instance);
+ rd->id.grbm.sh,
+ rd->id.grbm.instance, rd->id.xcc_id);
}
if (rd->id.use_srbm) {
mutex_lock(&adev->srbm_mutex);
amdgpu_gfx_select_me_pipe_q(adev, rd->id.srbm.me, rd->id.srbm.pipe,
- rd->id.srbm.queue, rd->id.srbm.vmid);
+ rd->id.srbm.queue, rd->id.srbm.vmid, rd->id.xcc_id);
}
if (rd->id.pg_lock)
@@ -295,12 +296,12 @@ static ssize_t amdgpu_debugfs_regs2_op(struct file *f, char __user *buf, u32 off
}
end:
if (rd->id.use_grbm) {
- amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+ amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff, rd->id.xcc_id);
mutex_unlock(&adev->grbm_idx_mutex);
}
if (rd->id.use_srbm) {
- amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0, 0);
+ amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0, 0, rd->id.xcc_id);
mutex_unlock(&adev->srbm_mutex);
}
@@ -319,18 +320,45 @@ end:
static long amdgpu_debugfs_regs2_ioctl(struct file *f, unsigned int cmd, unsigned long data)
{
struct amdgpu_debugfs_regs2_data *rd = f->private_data;
+ struct amdgpu_debugfs_regs2_iocdata v1_data;
int r;
+ mutex_lock(&rd->lock);
+
switch (cmd) {
+ case AMDGPU_DEBUGFS_REGS2_IOC_SET_STATE_V2:
+ r = copy_from_user(&rd->id, (struct amdgpu_debugfs_regs2_iocdata_v2 *)data,
+ sizeof(rd->id));
+ if (r)
+ r = -EINVAL;
+ goto done;
case AMDGPU_DEBUGFS_REGS2_IOC_SET_STATE:
- mutex_lock(&rd->lock);
- r = copy_from_user(&rd->id, (struct amdgpu_debugfs_regs2_iocdata *)data, sizeof rd->id);
- mutex_unlock(&rd->lock);
- return r ? -EINVAL : 0;
+ r = copy_from_user(&v1_data, (struct amdgpu_debugfs_regs2_iocdata *)data,
+ sizeof(v1_data));
+ if (r) {
+ r = -EINVAL;
+ goto done;
+ }
+ goto v1_copy;
default:
- return -EINVAL;
+ r = -EINVAL;
+ goto done;
}
- return 0;
+
+v1_copy:
+ rd->id.use_srbm = v1_data.use_srbm;
+ rd->id.use_grbm = v1_data.use_grbm;
+ rd->id.pg_lock = v1_data.pg_lock;
+ rd->id.grbm.se = v1_data.grbm.se;
+ rd->id.grbm.sh = v1_data.grbm.sh;
+ rd->id.grbm.instance = v1_data.grbm.instance;
+ rd->id.srbm.me = v1_data.srbm.me;
+ rd->id.srbm.pipe = v1_data.srbm.pipe;
+ rd->id.srbm.queue = v1_data.srbm.queue;
+ rd->id.xcc_id = 0;
+done:
+ mutex_unlock(&rd->lock);
+ return r;
}
static ssize_t amdgpu_debugfs_regs2_read(struct file *f, char __user *buf, size_t size, loff_t *pos)
@@ -343,6 +371,136 @@ static ssize_t amdgpu_debugfs_regs2_write(struct file *f, const char __user *buf
return amdgpu_debugfs_regs2_op(f, (char __user *)buf, *pos, size, 1);
}
+static int amdgpu_debugfs_gprwave_open(struct inode *inode, struct file *file)
+{
+ struct amdgpu_debugfs_gprwave_data *rd;
+
+ rd = kzalloc(sizeof *rd, GFP_KERNEL);
+ if (!rd)
+ return -ENOMEM;
+ rd->adev = file_inode(file)->i_private;
+ file->private_data = rd;
+ mutex_init(&rd->lock);
+
+ return 0;
+}
+
+static int amdgpu_debugfs_gprwave_release(struct inode *inode, struct file *file)
+{
+ struct amdgpu_debugfs_gprwave_data *rd = file->private_data;
+ mutex_destroy(&rd->lock);
+ kfree(file->private_data);
+ return 0;
+}
+
+static ssize_t amdgpu_debugfs_gprwave_read(struct file *f, char __user *buf, size_t size, loff_t *pos)
+{
+ struct amdgpu_debugfs_gprwave_data *rd = f->private_data;
+ struct amdgpu_device *adev = rd->adev;
+ ssize_t result = 0;
+ int r;
+ uint32_t *data, x;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ return r;
+ }
+
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ return r;
+ }
+
+ data = kcalloc(1024, sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
+ return -ENOMEM;
+ }
+
+ /* switch to the specific se/sh/cu */
+ mutex_lock(&adev->grbm_idx_mutex);
+ amdgpu_gfx_select_se_sh(adev, rd->id.se, rd->id.sh, rd->id.cu, rd->id.xcc_id);
+
+ if (!rd->id.gpr_or_wave) {
+ x = 0;
+ if (adev->gfx.funcs->read_wave_data)
+ adev->gfx.funcs->read_wave_data(adev, rd->id.xcc_id, rd->id.simd, rd->id.wave, data, &x);
+ } else {
+ x = size >> 2;
+ if (rd->id.gpr.vpgr_or_sgpr) {
+ if (adev->gfx.funcs->read_wave_vgprs)
+ adev->gfx.funcs->read_wave_vgprs(adev, rd->id.xcc_id, rd->id.simd, rd->id.wave, rd->id.gpr.thread, *pos, size>>2, data);
+ } else {
+ if (adev->gfx.funcs->read_wave_sgprs)
+ adev->gfx.funcs->read_wave_sgprs(adev, rd->id.xcc_id, rd->id.simd, rd->id.wave, *pos, size>>2, data);
+ }
+ }
+
+ amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, rd->id.xcc_id);
+ mutex_unlock(&adev->grbm_idx_mutex);
+
+ pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+ if (!x) {
+ result = -EINVAL;
+ goto done;
+ }
+
+ while (size && (*pos < x * 4)) {
+ uint32_t value;
+
+ value = data[*pos >> 2];
+ r = put_user(value, (uint32_t *)buf);
+ if (r) {
+ result = r;
+ goto done;
+ }
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+done:
+ amdgpu_virt_disable_access_debugfs(adev);
+ kfree(data);
+ return result;
+}
+
+static long amdgpu_debugfs_gprwave_ioctl(struct file *f, unsigned int cmd, unsigned long data)
+{
+ struct amdgpu_debugfs_gprwave_data *rd = f->private_data;
+ int r = 0;
+
+ mutex_lock(&rd->lock);
+
+ switch (cmd) {
+ case AMDGPU_DEBUGFS_GPRWAVE_IOC_SET_STATE:
+ if (copy_from_user(&rd->id,
+ (struct amdgpu_debugfs_gprwave_iocdata *)data,
+ sizeof(rd->id)))
+ r = -EFAULT;
+ goto done;
+ default:
+ r = -EINVAL;
+ goto done;
+ }
+
+done:
+ mutex_unlock(&rd->lock);
+ return r;
+}
+
+
+
/**
* amdgpu_debugfs_regs_pcie_read - Read from a PCIE register
@@ -863,7 +1021,7 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
* The offset being sought changes which wave that the status data
* will be returned for. The bits are used as follows:
*
- * Bits 0..6: Byte offset into data
+ * Bits 0..6: Byte offset into data
* Bits 7..14: SE selector
* Bits 15..22: SH/SA selector
* Bits 23..30: CU/{WGP+SIMD} selector
@@ -907,13 +1065,13 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
- amdgpu_gfx_select_se_sh(adev, se, sh, cu);
+ amdgpu_gfx_select_se_sh(adev, se, sh, cu, 0);
x = 0;
if (adev->gfx.funcs->read_wave_data)
- adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x);
+ adev->gfx.funcs->read_wave_data(adev, 0, simd, wave, data, &x);
- amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
+ amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0);
mutex_unlock(&adev->grbm_idx_mutex);
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
@@ -1001,17 +1159,17 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf,
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
- amdgpu_gfx_select_se_sh(adev, se, sh, cu);
+ amdgpu_gfx_select_se_sh(adev, se, sh, cu, 0);
if (bank == 0) {
if (adev->gfx.funcs->read_wave_vgprs)
- adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data);
+ adev->gfx.funcs->read_wave_vgprs(adev, 0, simd, wave, thread, offset, size>>2, data);
} else {
if (adev->gfx.funcs->read_wave_sgprs)
- adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data);
+ adev->gfx.funcs->read_wave_sgprs(adev, 0, simd, wave, offset, size>>2, data);
}
- amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
+ amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0);
mutex_unlock(&adev->grbm_idx_mutex);
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
@@ -1339,6 +1497,15 @@ static const struct file_operations amdgpu_debugfs_regs2_fops = {
.llseek = default_llseek
};
+static const struct file_operations amdgpu_debugfs_gprwave_fops = {
+ .owner = THIS_MODULE,
+ .unlocked_ioctl = amdgpu_debugfs_gprwave_ioctl,
+ .read = amdgpu_debugfs_gprwave_read,
+ .open = amdgpu_debugfs_gprwave_open,
+ .release = amdgpu_debugfs_gprwave_release,
+ .llseek = default_llseek
+};
+
static const struct file_operations amdgpu_debugfs_regs_fops = {
.owner = THIS_MODULE,
.read = amdgpu_debugfs_regs_read,
@@ -1416,6 +1583,7 @@ static const struct file_operations amdgpu_debugfs_gfxoff_residency_fops = {
static const struct file_operations *debugfs_regs[] = {
&amdgpu_debugfs_regs_fops,
&amdgpu_debugfs_regs2_fops,
+ &amdgpu_debugfs_gprwave_fops,
&amdgpu_debugfs_regs_didt_fops,
&amdgpu_debugfs_regs_pcie_fops,
&amdgpu_debugfs_regs_smc_fops,
@@ -1429,9 +1597,10 @@ static const struct file_operations *debugfs_regs[] = {
&amdgpu_debugfs_gfxoff_residency_fops,
};
-static const char *debugfs_regs_names[] = {
+static const char * const debugfs_regs_names[] = {
"amdgpu_regs",
"amdgpu_regs2",
+ "amdgpu_gprwave",
"amdgpu_regs_didt",
"amdgpu_regs_pcie",
"amdgpu_regs_smc",
@@ -1447,7 +1616,7 @@ static const char *debugfs_regs_names[] = {
/**
* amdgpu_debugfs_regs_init - Initialize debugfs entries that provide
- * register access.
+ * register access.
*
* @adev: The device to attach the debugfs entries to
*/
@@ -1459,7 +1628,7 @@ int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) {
ent = debugfs_create_file(debugfs_regs_names[i],
- S_IFREG | S_IRUGO, root,
+ S_IFREG | 0444, root,
adev, debugfs_regs[i]);
if (!i && !IS_ERR_OR_NULL(ent))
i_size_write(ent->d_inode, adev->rmmio_size);
@@ -1470,7 +1639,7 @@ int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
static int amdgpu_debugfs_test_ib_show(struct seq_file *m, void *unused)
{
- struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+ struct amdgpu_device *adev = m->private;
struct drm_device *dev = adev_to_drm(adev);
int r = 0, i;
@@ -1494,12 +1663,12 @@ static int amdgpu_debugfs_test_ib_show(struct seq_file *m, void *unused)
kthread_park(ring->sched.thread);
}
- seq_printf(m, "run ib test:\n");
+ seq_puts(m, "run ib test:\n");
r = amdgpu_ib_ring_tests(adev);
if (r)
seq_printf(m, "ib ring tests failed (%d).\n", r);
else
- seq_printf(m, "ib ring tests passed.\n");
+ seq_puts(m, "ib ring tests passed.\n");
/* go on the scheduler */
for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
@@ -1581,7 +1750,7 @@ static int amdgpu_debugfs_benchmark(void *data, u64 val)
static int amdgpu_debugfs_vm_info_show(struct seq_file *m, void *unused)
{
- struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+ struct amdgpu_device *adev = m->private;
struct drm_device *dev = adev_to_drm(adev);
struct drm_file *file;
int r;
@@ -1978,7 +2147,7 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
amdgpu_debugfs_ring_init(adev, ring);
}
- for ( i = 0; i < adev->vcn.num_vcn_inst; i++) {
+ for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (!amdgpu_vcnfw_log)
break;
generated by cgit v1.2.3-70-g09d2 (git 2.51.1) at 2025-11-04 10:03:14 +0000