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path: root/drivers/gpu/drm/i915/i915_sysfs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_sysfs.c239
1 files changed, 115 insertions, 124 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index d61829e54f93..1012eeea1324 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -32,13 +32,16 @@
#include "intel_drv.h"
#include "i915_drv.h"
-#define dev_to_drm_minor(d) dev_get_drvdata((d))
+static inline struct drm_i915_private *kdev_minor_to_i915(struct device *kdev)
+{
+ struct drm_minor *minor = dev_get_drvdata(kdev);
+ return to_i915(minor->dev);
+}
#ifdef CONFIG_PM
-static u32 calc_residency(struct drm_device *dev,
+static u32 calc_residency(struct drm_i915_private *dev_priv,
i915_reg_t reg)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
u64 raw_time; /* 32b value may overflow during fixed point math */
u64 units = 128ULL, div = 100000ULL;
u32 ret;
@@ -49,13 +52,13 @@ static u32 calc_residency(struct drm_device *dev,
intel_runtime_pm_get(dev_priv);
/* On VLV and CHV, residency time is in CZ units rather than 1.28us */
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
units = 1;
div = dev_priv->czclk_freq;
if (I915_READ(VLV_COUNTER_CONTROL) & VLV_COUNT_RANGE_HIGH)
units <<= 8;
- } else if (IS_BROXTON(dev)) {
+ } else if (IS_BROXTON(dev_priv)) {
units = 1;
div = 1200; /* 833.33ns */
}
@@ -76,32 +79,32 @@ show_rc6_mask(struct device *kdev, struct device_attribute *attr, char *buf)
static ssize_t
show_rc6_ms(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *dminor = dev_get_drvdata(kdev);
- u32 rc6_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ u32 rc6_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6);
return snprintf(buf, PAGE_SIZE, "%u\n", rc6_residency);
}
static ssize_t
show_rc6p_ms(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *dminor = dev_to_drm_minor(kdev);
- u32 rc6p_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6p);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ u32 rc6p_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6p);
return snprintf(buf, PAGE_SIZE, "%u\n", rc6p_residency);
}
static ssize_t
show_rc6pp_ms(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *dminor = dev_to_drm_minor(kdev);
- u32 rc6pp_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6pp);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ u32 rc6pp_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6pp);
return snprintf(buf, PAGE_SIZE, "%u\n", rc6pp_residency);
}
static ssize_t
show_media_rc6_ms(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *dminor = dev_get_drvdata(kdev);
- u32 rc6_residency = calc_residency(dminor->dev, VLV_GT_MEDIA_RC6);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ u32 rc6_residency = calc_residency(dev_priv, VLV_GT_MEDIA_RC6);
return snprintf(buf, PAGE_SIZE, "%u\n", rc6_residency);
}
@@ -144,9 +147,9 @@ static struct attribute_group media_rc6_attr_group = {
};
#endif
-static int l3_access_valid(struct drm_device *dev, loff_t offset)
+static int l3_access_valid(struct drm_i915_private *dev_priv, loff_t offset)
{
- if (!HAS_L3_DPF(dev))
+ if (!HAS_L3_DPF(dev_priv))
return -EPERM;
if (offset % 4 != 0)
@@ -163,22 +166,21 @@ i915_l3_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t count)
{
- struct device *dev = kobj_to_dev(kobj);
- struct drm_minor *dminor = dev_to_drm_minor(dev);
- struct drm_device *drm_dev = dminor->dev;
- struct drm_i915_private *dev_priv = to_i915(drm_dev);
+ struct device *kdev = kobj_to_dev(kobj);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ struct drm_device *dev = &dev_priv->drm;
int slice = (int)(uintptr_t)attr->private;
int ret;
count = round_down(count, 4);
- ret = l3_access_valid(drm_dev, offset);
+ ret = l3_access_valid(dev_priv, offset);
if (ret)
return ret;
count = min_t(size_t, GEN7_L3LOG_SIZE - offset, count);
- ret = i915_mutex_lock_interruptible(drm_dev);
+ ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
@@ -189,7 +191,7 @@ i915_l3_read(struct file *filp, struct kobject *kobj,
else
memset(buf, 0, count);
- mutex_unlock(&drm_dev->struct_mutex);
+ mutex_unlock(&dev->struct_mutex);
return count;
}
@@ -199,30 +201,29 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t count)
{
- struct device *dev = kobj_to_dev(kobj);
- struct drm_minor *dminor = dev_to_drm_minor(dev);
- struct drm_device *drm_dev = dminor->dev;
- struct drm_i915_private *dev_priv = to_i915(drm_dev);
+ struct device *kdev = kobj_to_dev(kobj);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ struct drm_device *dev = &dev_priv->drm;
struct i915_gem_context *ctx;
u32 *temp = NULL; /* Just here to make handling failures easy */
int slice = (int)(uintptr_t)attr->private;
int ret;
- if (!HAS_HW_CONTEXTS(drm_dev))
+ if (!HAS_HW_CONTEXTS(dev_priv))
return -ENXIO;
- ret = l3_access_valid(drm_dev, offset);
+ ret = l3_access_valid(dev_priv, offset);
if (ret)
return ret;
- ret = i915_mutex_lock_interruptible(drm_dev);
+ ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
if (!dev_priv->l3_parity.remap_info[slice]) {
temp = kzalloc(GEN7_L3LOG_SIZE, GFP_KERNEL);
if (!temp) {
- mutex_unlock(&drm_dev->struct_mutex);
+ mutex_unlock(&dev->struct_mutex);
return -ENOMEM;
}
}
@@ -240,7 +241,7 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
list_for_each_entry(ctx, &dev_priv->context_list, link)
ctx->remap_slice |= (1<<slice);
- mutex_unlock(&drm_dev->struct_mutex);
+ mutex_unlock(&dev->struct_mutex);
return count;
}
@@ -266,13 +267,9 @@ static struct bin_attribute dpf_attrs_1 = {
static ssize_t gt_act_freq_mhz_show(struct device *kdev,
struct device_attribute *attr, char *buf)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
int ret;
- flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
intel_runtime_pm_get(dev_priv);
mutex_lock(&dev_priv->rps.hw_lock);
@@ -300,59 +297,70 @@ static ssize_t gt_act_freq_mhz_show(struct device *kdev,
static ssize_t gt_cur_freq_mhz_show(struct device *kdev,
struct device_attribute *attr, char *buf)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- int ret;
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ intel_gpu_freq(dev_priv,
+ dev_priv->rps.cur_freq));
+}
- flush_delayed_work(&dev_priv->rps.delayed_resume_work);
+static ssize_t gt_boost_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
+{
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- intel_runtime_pm_get(dev_priv);
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ intel_gpu_freq(dev_priv,
+ dev_priv->rps.boost_freq));
+}
+
+static ssize_t gt_boost_freq_mhz_store(struct device *kdev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ u32 val;
+ ssize_t ret;
+
+ ret = kstrtou32(buf, 0, &val);
+ if (ret)
+ return ret;
+
+ /* Validate against (static) hardware limits */
+ val = intel_freq_opcode(dev_priv, val);
+ if (val < dev_priv->rps.min_freq || val > dev_priv->rps.max_freq)
+ return -EINVAL;
mutex_lock(&dev_priv->rps.hw_lock);
- ret = intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq);
+ dev_priv->rps.boost_freq = val;
mutex_unlock(&dev_priv->rps.hw_lock);
- intel_runtime_pm_put(dev_priv);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return count;
}
static ssize_t vlv_rpe_freq_mhz_show(struct device *kdev,
struct device_attribute *attr, char *buf)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- return snprintf(buf, PAGE_SIZE,
- "%d\n",
- intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq));
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ intel_gpu_freq(dev_priv,
+ dev_priv->rps.efficient_freq));
}
static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- int ret;
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
- mutex_lock(&dev_priv->rps.hw_lock);
- ret = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit);
- mutex_unlock(&dev_priv->rps.hw_lock);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ intel_gpu_freq(dev_priv,
+ dev_priv->rps.max_freq_softlimit));
}
static ssize_t gt_max_freq_mhz_store(struct device *kdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
u32 val;
ssize_t ret;
@@ -360,8 +368,6 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev,
if (ret)
return ret;
- flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
intel_runtime_pm_get(dev_priv);
mutex_lock(&dev_priv->rps.hw_lock);
@@ -400,27 +406,18 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev,
static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- int ret;
-
- flush_delayed_work(&dev_priv->rps.delayed_resume_work);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- mutex_lock(&dev_priv->rps.hw_lock);
- ret = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit);
- mutex_unlock(&dev_priv->rps.hw_lock);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ intel_gpu_freq(dev_priv,
+ dev_priv->rps.min_freq_softlimit));
}
static ssize_t gt_min_freq_mhz_store(struct device *kdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
u32 val;
ssize_t ret;
@@ -428,8 +425,6 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev,
if (ret)
return ret;
- flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
intel_runtime_pm_get(dev_priv);
mutex_lock(&dev_priv->rps.hw_lock);
@@ -465,6 +460,7 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev,
static DEVICE_ATTR(gt_act_freq_mhz, S_IRUGO, gt_act_freq_mhz_show, NULL);
static DEVICE_ATTR(gt_cur_freq_mhz, S_IRUGO, gt_cur_freq_mhz_show, NULL);
+static DEVICE_ATTR(gt_boost_freq_mhz, S_IRUGO, gt_boost_freq_mhz_show, gt_boost_freq_mhz_store);
static DEVICE_ATTR(gt_max_freq_mhz, S_IRUGO | S_IWUSR, gt_max_freq_mhz_show, gt_max_freq_mhz_store);
static DEVICE_ATTR(gt_min_freq_mhz, S_IRUGO | S_IWUSR, gt_min_freq_mhz_show, gt_min_freq_mhz_store);
@@ -478,9 +474,7 @@ static DEVICE_ATTR(gt_RPn_freq_mhz, S_IRUGO, gt_rp_mhz_show, NULL);
/* For now we have a static number of RP states */
static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
u32 val;
if (attr == &dev_attr_gt_RP0_freq_mhz)
@@ -498,6 +492,7 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr
static const struct attribute *gen6_attrs[] = {
&dev_attr_gt_act_freq_mhz.attr,
&dev_attr_gt_cur_freq_mhz.attr,
+ &dev_attr_gt_boost_freq_mhz.attr,
&dev_attr_gt_max_freq_mhz.attr,
&dev_attr_gt_min_freq_mhz.attr,
&dev_attr_gt_RP0_freq_mhz.attr,
@@ -509,6 +504,7 @@ static const struct attribute *gen6_attrs[] = {
static const struct attribute *vlv_attrs[] = {
&dev_attr_gt_act_freq_mhz.attr,
&dev_attr_gt_cur_freq_mhz.attr,
+ &dev_attr_gt_boost_freq_mhz.attr,
&dev_attr_gt_max_freq_mhz.attr,
&dev_attr_gt_min_freq_mhz.attr,
&dev_attr_gt_RP0_freq_mhz.attr,
@@ -524,8 +520,8 @@ static ssize_t error_state_read(struct file *filp, struct kobject *kobj,
{
struct device *kdev = kobj_to_dev(kobj);
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
+ struct drm_device *dev = &dev_priv->drm;
struct i915_error_state_file_priv error_priv;
struct drm_i915_error_state_buf error_str;
ssize_t ret_count = 0;
@@ -559,18 +555,10 @@ static ssize_t error_state_write(struct file *file, struct kobject *kobj,
loff_t off, size_t count)
{
struct device *kdev = kobj_to_dev(kobj);
- struct drm_minor *minor = dev_to_drm_minor(kdev);
- struct drm_device *dev = minor->dev;
- int ret;
+ struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
DRM_DEBUG_DRIVER("Resetting error state\n");
-
- ret = mutex_lock_interruptible(&dev->struct_mutex);
- if (ret)
- return ret;
-
- i915_destroy_error_state(dev);
- mutex_unlock(&dev->struct_mutex);
+ i915_destroy_error_state(&dev_priv->drm);
return count;
}
@@ -583,37 +571,38 @@ static struct bin_attribute error_state_attr = {
.write = error_state_write,
};
-void i915_setup_sysfs(struct drm_device *dev)
+void i915_setup_sysfs(struct drm_i915_private *dev_priv)
{
+ struct device *kdev = dev_priv->drm.primary->kdev;
int ret;
#ifdef CONFIG_PM
- if (HAS_RC6(dev)) {
- ret = sysfs_merge_group(&dev->primary->kdev->kobj,
+ if (HAS_RC6(dev_priv)) {
+ ret = sysfs_merge_group(&kdev->kobj,
&rc6_attr_group);
if (ret)
DRM_ERROR("RC6 residency sysfs setup failed\n");
}
- if (HAS_RC6p(dev)) {
- ret = sysfs_merge_group(&dev->primary->kdev->kobj,
+ if (HAS_RC6p(dev_priv)) {
+ ret = sysfs_merge_group(&kdev->kobj,
&rc6p_attr_group);
if (ret)
DRM_ERROR("RC6p residency sysfs setup failed\n");
}
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
- ret = sysfs_merge_group(&dev->primary->kdev->kobj,
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
+ ret = sysfs_merge_group(&kdev->kobj,
&media_rc6_attr_group);
if (ret)
DRM_ERROR("Media RC6 residency sysfs setup failed\n");
}
#endif
- if (HAS_L3_DPF(dev)) {
- ret = device_create_bin_file(dev->primary->kdev, &dpf_attrs);
+ if (HAS_L3_DPF(dev_priv)) {
+ ret = device_create_bin_file(kdev, &dpf_attrs);
if (ret)
DRM_ERROR("l3 parity sysfs setup failed\n");
- if (NUM_L3_SLICES(dev) > 1) {
- ret = device_create_bin_file(dev->primary->kdev,
+ if (NUM_L3_SLICES(dev_priv) > 1) {
+ ret = device_create_bin_file(kdev,
&dpf_attrs_1);
if (ret)
DRM_ERROR("l3 parity slice 1 setup failed\n");
@@ -621,30 +610,32 @@ void i915_setup_sysfs(struct drm_device *dev)
}
ret = 0;
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
- ret = sysfs_create_files(&dev->primary->kdev->kobj, vlv_attrs);
- else if (INTEL_INFO(dev)->gen >= 6)
- ret = sysfs_create_files(&dev->primary->kdev->kobj, gen6_attrs);
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+ ret = sysfs_create_files(&kdev->kobj, vlv_attrs);
+ else if (INTEL_GEN(dev_priv) >= 6)
+ ret = sysfs_create_files(&kdev->kobj, gen6_attrs);
if (ret)
DRM_ERROR("RPS sysfs setup failed\n");
- ret = sysfs_create_bin_file(&dev->primary->kdev->kobj,
+ ret = sysfs_create_bin_file(&kdev->kobj,
&error_state_attr);
if (ret)
DRM_ERROR("error_state sysfs setup failed\n");
}
-void i915_teardown_sysfs(struct drm_device *dev)
+void i915_teardown_sysfs(struct drm_i915_private *dev_priv)
{
- sysfs_remove_bin_file(&dev->primary->kdev->kobj, &error_state_attr);
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
- sysfs_remove_files(&dev->primary->kdev->kobj, vlv_attrs);
+ struct device *kdev = dev_priv->drm.primary->kdev;
+
+ sysfs_remove_bin_file(&kdev->kobj, &error_state_attr);
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+ sysfs_remove_files(&kdev->kobj, vlv_attrs);
else
- sysfs_remove_files(&dev->primary->kdev->kobj, gen6_attrs);
- device_remove_bin_file(dev->primary->kdev, &dpf_attrs_1);
- device_remove_bin_file(dev->primary->kdev, &dpf_attrs);
+ sysfs_remove_files(&kdev->kobj, gen6_attrs);
+ device_remove_bin_file(kdev, &dpf_attrs_1);
+ device_remove_bin_file(kdev, &dpf_attrs);
#ifdef CONFIG_PM
- sysfs_unmerge_group(&dev->primary->kdev->kobj, &rc6_attr_group);
- sysfs_unmerge_group(&dev->primary->kdev->kobj, &rc6p_attr_group);
+ sysfs_unmerge_group(&kdev->kobj, &rc6_attr_group);
+ sysfs_unmerge_group(&kdev->kobj, &rc6p_attr_group);
#endif
}