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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.c161
1 files changed, 132 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index a414da22a359..193ffdb957b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -223,12 +223,16 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f,
*pos &= (1UL << 22) - 1;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
@@ -332,12 +336,16 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
return -EINVAL;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
while (size) {
uint32_t value;
@@ -387,12 +395,16 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
return -EINVAL;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
while (size) {
uint32_t value;
@@ -443,12 +455,16 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
return -EINVAL;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
while (size) {
uint32_t value;
@@ -498,12 +514,16 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user
return -EINVAL;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
while (size) {
uint32_t value;
@@ -554,12 +574,16 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
return -EINVAL;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
while (size) {
uint32_t value;
@@ -609,12 +633,16 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *
return -EINVAL;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
while (size) {
uint32_t value;
@@ -764,12 +792,16 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
valuesize = sizeof(values);
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
@@ -842,12 +874,16 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
simd = (*pos & GENMASK_ULL(44, 37)) >> 37;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
r = amdgpu_virt_enable_access_debugfs(adev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
@@ -937,11 +973,11 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf,
r = pm_runtime_get_sync(adev->ddev->dev);
if (r < 0)
- return r;
+ goto err;
r = amdgpu_virt_enable_access_debugfs(adev);
if (r < 0)
- return r;
+ goto err;
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
@@ -967,7 +1003,7 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf,
value = data[result >> 2];
r = put_user(value, (uint32_t *)buf);
if (r) {
- result = r;
+ amdgpu_virt_disable_access_debugfs(adev);
goto err;
}
@@ -976,10 +1012,14 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf,
size -= 4;
}
-err:
kfree(data);
amdgpu_virt_disable_access_debugfs(adev);
return result;
+
+err:
+ pm_runtime_put_autosuspend(adev->ddev->dev);
+ kfree(data);
+ return r;
}
/**
@@ -1003,8 +1043,10 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu
return -EINVAL;
r = pm_runtime_get_sync(adev->ddev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
while (size) {
uint32_t value;
@@ -1031,6 +1073,57 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu
}
+/**
+ * amdgpu_debugfs_regs_gfxoff_status - read gfxoff status
+ *
+ * @f: open file handle
+ * @buf: User buffer to store read data in
+ * @size: Number of bytes to read
+ * @pos: Offset to seek to
+ */
+static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct amdgpu_device *adev = file_inode(f)->i_private;
+ ssize_t result = 0;
+ int r;
+
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ r = pm_runtime_get_sync(adev->ddev->dev);
+ if (r < 0)
+ return r;
+
+ while (size) {
+ uint32_t value;
+
+ r = amdgpu_get_gfx_off_status(adev, &value);
+ if (r) {
+ pm_runtime_mark_last_busy(adev->ddev->dev);
+ pm_runtime_put_autosuspend(adev->ddev->dev);
+ return r;
+ }
+
+ r = put_user(value, (uint32_t *)buf);
+ if (r) {
+ pm_runtime_mark_last_busy(adev->ddev->dev);
+ pm_runtime_put_autosuspend(adev->ddev->dev);
+ return r;
+ }
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ pm_runtime_mark_last_busy(adev->ddev->dev);
+ pm_runtime_put_autosuspend(adev->ddev->dev);
+
+ return result;
+}
+
static const struct file_operations amdgpu_debugfs_regs_fops = {
.owner = THIS_MODULE,
.read = amdgpu_debugfs_regs_read,
@@ -1081,7 +1174,9 @@ static const struct file_operations amdgpu_debugfs_gpr_fops = {
static const struct file_operations amdgpu_debugfs_gfxoff_fops = {
.owner = THIS_MODULE,
+ .read = amdgpu_debugfs_gfxoff_read,
.write = amdgpu_debugfs_gfxoff_write,
+ .llseek = default_llseek
};
static const struct file_operations *debugfs_regs[] = {
@@ -1140,8 +1235,10 @@ static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data)
int r = 0, i;
r = pm_runtime_get_sync(dev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
/* Avoid accidently unparking the sched thread during GPU reset */
mutex_lock(&adev->lock_reset);
@@ -1197,8 +1294,10 @@ static int amdgpu_debugfs_evict_vram(struct seq_file *m, void *data)
int r;
r = pm_runtime_get_sync(dev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev));
@@ -1216,8 +1315,10 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
int r;
r = pm_runtime_get_sync(dev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return r;
+ }
seq_printf(m, "(%d)\n", ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT));
@@ -1417,14 +1518,16 @@ static int amdgpu_debugfs_sclk_set(void *data, u64 val)
return -EINVAL;
ret = pm_runtime_get_sync(adev->ddev->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(adev->ddev->dev);
return ret;
+ }
if (is_support_sw_smu(adev)) {
- ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq, true);
+ ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq);
if (ret || val > max_freq || val < min_freq)
return -EINVAL;
- ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val, true);
+ ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val);
} else {
return 0;
}
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-26 01:38:58 +0000