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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.c180
1 files changed, 108 insertions, 72 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 5d04d24a0d5f..cb00c7d6f50b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -38,6 +38,7 @@
#include "amdgpu_umr.h"
#include "amdgpu_reset.h"
+#include "amdgpu_psp_ta.h"
#if defined(CONFIG_DEBUG_FS)
@@ -382,12 +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;
@@ -395,11 +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;
}
/**
@@ -440,12 +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);
@@ -455,11 +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;
}
/**
@@ -501,12 +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;
@@ -514,11 +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;
}
/**
@@ -559,12 +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);
@@ -574,11 +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;
}
/**
@@ -620,12 +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;
@@ -633,11 +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;
}
/**
@@ -678,12 +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);
@@ -693,11 +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;
}
/**
@@ -730,7 +713,7 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
return -ENOMEM;
/* version, increment each time something is added */
- config[no_regs++] = 4;
+ config[no_regs++] = 5;
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;
@@ -757,8 +740,8 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
/* rev==1 */
config[no_regs++] = adev->rev_id;
- config[no_regs++] = adev->pg_flags;
- config[no_regs++] = adev->cg_flags;
+ config[no_regs++] = lower_32_bits(adev->pg_flags);
+ config[no_regs++] = lower_32_bits(adev->cg_flags);
/* rev==2 */
config[no_regs++] = adev->family;
@@ -773,6 +756,10 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
/* rev==4 APU flag */
config[no_regs++] = adev->flags & AMD_IS_APU ? 1 : 0;
+ /* rev==5 PG/CG flag upper 32bit */
+ config[no_regs++] = upper_32_bits(adev->pg_flags);
+ config[no_regs++] = upper_32_bits(adev->cg_flags);
+
while (size && (*pos < no_regs * 4)) {
uint32_t value;
@@ -1085,11 +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);
@@ -1099,10 +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;
}
@@ -1131,21 +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;
@@ -1153,10 +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 = {
@@ -1224,6 +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,
@@ -1235,6 +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[] = {
@@ -1248,6 +1274,7 @@ static const char *debugfs_regs_names[] = {
"amdgpu_wave",
"amdgpu_gpr",
"amdgpu_gfxoff",
+ "amdgpu_gfxoff_status",
};
/**
@@ -1678,7 +1705,7 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f,
{
struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
char reg_offset[11];
- uint32_t *new, *tmp = NULL;
+ uint32_t *new = NULL, *tmp = NULL;
int ret, i = 0, len = 0;
do {
@@ -1704,17 +1731,25 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f,
i++;
} while (len < size);
+ new = kmalloc_array(i, sizeof(uint32_t), GFP_KERNEL);
+ if (!new) {
+ ret = -ENOMEM;
+ goto error_free;
+ }
ret = down_write_killable(&adev->reset_domain->sem);
if (ret)
goto error_free;
swap(adev->reset_dump_reg_list, tmp);
+ swap(adev->reset_dump_reg_value, new);
adev->num_regs = i;
up_write(&adev->reset_domain->sem);
ret = size;
error_free:
- kfree(tmp);
+ if (tmp != new)
+ kfree(tmp);
+ kfree(new);
return ret;
}
@@ -1763,6 +1798,7 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
DRM_ERROR("registering register debugfs failed (%d).\n", r);
amdgpu_debugfs_firmware_init(adev);
+ amdgpu_ta_if_debugfs_init(adev);
#if defined(CONFIG_DRM_AMD_DC)
if (amdgpu_device_has_dc_support(adev))