summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c156
1 files changed, 89 insertions, 67 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index f3ac7912c29c..e2eec985adb3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -383,12 +383,8 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
value = RREG32_PCIE(*pos);
r = put_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- amdgpu_virt_disable_access_debugfs(adev);
- return r;
- }
+ if (r)
+ goto out;
result += 4;
buf += 4;
@@ -396,11 +392,12 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
amdgpu_virt_disable_access_debugfs(adev);
- return result;
+ return r;
}
/**
@@ -441,12 +438,8 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
uint32_t value;
r = get_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- amdgpu_virt_disable_access_debugfs(adev);
- return r;
- }
+ if (r)
+ goto out;
WREG32_PCIE(*pos, value);
@@ -456,11 +449,12 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
amdgpu_virt_disable_access_debugfs(adev);
- return result;
+ return r;
}
/**
@@ -502,12 +496,8 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
value = RREG32_DIDT(*pos >> 2);
r = put_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- amdgpu_virt_disable_access_debugfs(adev);
- return r;
- }
+ if (r)
+ goto out;
result += 4;
buf += 4;
@@ -515,11 +505,12 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
amdgpu_virt_disable_access_debugfs(adev);
- return result;
+ return r;
}
/**
@@ -560,12 +551,8 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user
uint32_t value;
r = get_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- amdgpu_virt_disable_access_debugfs(adev);
- return r;
- }
+ if (r)
+ goto out;
WREG32_DIDT(*pos >> 2, value);
@@ -575,11 +562,12 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
amdgpu_virt_disable_access_debugfs(adev);
- return result;
+ return r;
}
/**
@@ -621,12 +609,8 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
value = RREG32_SMC(*pos);
r = put_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- amdgpu_virt_disable_access_debugfs(adev);
- return r;
- }
+ if (r)
+ goto out;
result += 4;
buf += 4;
@@ -634,11 +618,12 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
amdgpu_virt_disable_access_debugfs(adev);
- return result;
+ return r;
}
/**
@@ -679,12 +664,8 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *
uint32_t value;
r = get_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- amdgpu_virt_disable_access_debugfs(adev);
- return r;
- }
+ if (r)
+ goto out;
WREG32_SMC(*pos, value);
@@ -694,11 +675,12 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
amdgpu_virt_disable_access_debugfs(adev);
- return result;
+ return r;
}
/**
@@ -1090,11 +1072,8 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu
uint32_t value;
r = get_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
+ if (r)
+ goto out;
amdgpu_gfx_off_ctrl(adev, value ? true : false);
@@ -1104,10 +1083,12 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return result;
+ return r;
}
@@ -1136,21 +1117,52 @@ static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf,
}
while (size) {
- uint32_t value;
+ u32 value = adev->gfx.gfx_off_state;
+
+ r = put_user(value, (u32 *)buf);
+ if (r)
+ goto out;
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
+ }
+
+ r = result;
+out:
+ pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+ return r;
+}
+
+static ssize_t amdgpu_debugfs_gfxoff_status_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_to_drm(adev)->dev);
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ return r;
+ }
+
+ while (size) {
+ u32 value;
r = amdgpu_get_gfx_off_status(adev, &value);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
+ if (r)
+ goto out;
- r = put_user(value, (uint32_t *)buf);
- if (r) {
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
+ r = put_user(value, (u32 *)buf);
+ if (r)
+ goto out;
result += 4;
buf += 4;
@@ -1158,10 +1170,12 @@ static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf,
size -= 4;
}
+ r = result;
+out:
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return result;
+ return r;
}
static const struct file_operations amdgpu_debugfs_regs2_fops = {
@@ -1229,6 +1243,12 @@ static const struct file_operations amdgpu_debugfs_gfxoff_fops = {
.llseek = default_llseek
};
+static const struct file_operations amdgpu_debugfs_gfxoff_status_fops = {
+ .owner = THIS_MODULE,
+ .read = amdgpu_debugfs_gfxoff_status_read,
+ .llseek = default_llseek
+};
+
static const struct file_operations *debugfs_regs[] = {
&amdgpu_debugfs_regs_fops,
&amdgpu_debugfs_regs2_fops,
@@ -1240,6 +1260,7 @@ static const struct file_operations *debugfs_regs[] = {
&amdgpu_debugfs_wave_fops,
&amdgpu_debugfs_gpr_fops,
&amdgpu_debugfs_gfxoff_fops,
+ &amdgpu_debugfs_gfxoff_status_fops,
};
static const char *debugfs_regs_names[] = {
@@ -1253,6 +1274,7 @@ static const char *debugfs_regs_names[] = {
"amdgpu_wave",
"amdgpu_gpr",
"amdgpu_gfxoff",
+ "amdgpu_gfxoff_status",
};
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-20 02:56:55 +0000