dri-devel.lists.freedesktop.org archive mirror
 help / color / mirror / Atom feed
From: YueHaibing <yuehaibing@huawei.com>
To: <jani.nikula@linux.intel.com>, <joonas.lahtinen@linux.intel.com>,
	<rodrigo.vivi@intel.com>, <airlied@linux.ie>, <daniel@ffwll.ch>,
	<chris@chris-wilson.co.uk>, <tvrtko.ursulin@intel.com>
Cc: intel-gfx@lists.freedesktop.org,
	YueHaibing <yuehaibing@huawei.com>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: [PATCH -next] drm/i915: use DEVICE_ATTR_RO macro
Date: Fri, 28 May 2021 18:04:03 +0800	[thread overview]
Message-ID: <20210528100403.21548-1-yuehaibing@huawei.com> (raw)

Use DEVICE_ATTR_RO() helper instead of plain DEVICE_ATTR(),
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/gpu/drm/i915/i915_pmu.c   |  8 +++-----
 drivers/gpu/drm/i915/i915_sysfs.c | 30 +++++++++++++++---------------
 2 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 41651ac255fa..fb215929b05b 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -834,15 +834,13 @@ static ssize_t i915_pmu_event_show(struct device *dev,
 	return sprintf(buf, "config=0x%lx\n", eattr->val);
 }
 
-static ssize_t
-i915_pmu_get_attr_cpumask(struct device *dev,
-			  struct device_attribute *attr,
-			  char *buf)
+static ssize_t cpumask_show(struct device *dev,
+			    struct device_attribute *attr, char *buf)
 {
 	return cpumap_print_to_pagebuf(true, buf, &i915_pmu_cpumask);
 }
 
-static DEVICE_ATTR(cpumask, 0444, i915_pmu_get_attr_cpumask, NULL);
+static DEVICE_ATTR_RO(cpumask);
 
 static struct attribute *i915_cpumask_attrs[] = {
 	&dev_attr_cpumask.attr,
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 4c6b5d52b5ca..183517d1a73d 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -58,8 +58,8 @@ static u32 calc_residency(struct drm_i915_private *dev_priv,
 	return DIV_ROUND_CLOSEST_ULL(res, 1000);
 }
 
-static ssize_t
-show_rc6_mask(struct device *kdev, struct device_attribute *attr, char *buf)
+static ssize_t rc6_enable_show(struct device *kdev,
+			       struct device_attribute *attr, char *buf)
 {
 	struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
 	unsigned int mask;
@@ -75,43 +75,43 @@ show_rc6_mask(struct device *kdev, struct device_attribute *attr, char *buf)
 	return sysfs_emit(buf, "%x\n", mask);
 }
 
-static ssize_t
-show_rc6_ms(struct device *kdev, struct device_attribute *attr, char *buf)
+static ssize_t rc6_residency_ms_show(struct device *kdev,
+				     struct device_attribute *attr, char *buf)
 {
 	struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
 	u32 rc6_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6);
 	return sysfs_emit(buf, "%u\n", rc6_residency);
 }
 
-static ssize_t
-show_rc6p_ms(struct device *kdev, struct device_attribute *attr, char *buf)
+static ssize_t rc6p_residency_ms_show(struct device *kdev,
+				      struct device_attribute *attr, char *buf)
 {
 	struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
 	u32 rc6p_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6p);
 	return sysfs_emit(buf, "%u\n", rc6p_residency);
 }
 
-static ssize_t
-show_rc6pp_ms(struct device *kdev, struct device_attribute *attr, char *buf)
+static ssize_t rc6pp_residency_ms_show(struct device *kdev,
+				       struct device_attribute *attr, char *buf)
 {
 	struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
 	u32 rc6pp_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6pp);
 	return sysfs_emit(buf, "%u\n", rc6pp_residency);
 }
 
-static ssize_t
-show_media_rc6_ms(struct device *kdev, struct device_attribute *attr, char *buf)
+static ssize_t media_rc6_residency_ms_show(struct device *kdev,
+					   struct device_attribute *attr, char *buf)
 {
 	struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
 	u32 rc6_residency = calc_residency(dev_priv, VLV_GT_MEDIA_RC6);
 	return sysfs_emit(buf, "%u\n", rc6_residency);
 }
 
-static DEVICE_ATTR(rc6_enable, S_IRUGO, show_rc6_mask, NULL);
-static DEVICE_ATTR(rc6_residency_ms, S_IRUGO, show_rc6_ms, NULL);
-static DEVICE_ATTR(rc6p_residency_ms, S_IRUGO, show_rc6p_ms, NULL);
-static DEVICE_ATTR(rc6pp_residency_ms, S_IRUGO, show_rc6pp_ms, NULL);
-static DEVICE_ATTR(media_rc6_residency_ms, S_IRUGO, show_media_rc6_ms, NULL);
+static DEVICE_ATTR_RO(rc6_enable);
+static DEVICE_ATTR_RO(rc6_residency_ms);
+static DEVICE_ATTR_RO(rc6p_residency_ms);
+static DEVICE_ATTR_RO(rc6pp_residency_ms);
+static DEVICE_ATTR_RO(media_rc6_residency_ms);
 
 static struct attribute *rc6_attrs[] = {
 	&dev_attr_rc6_enable.attr,
-- 
2.17.1


             reply	other threads:[~2021-05-28 10:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-28 10:04 YueHaibing [this message]
2021-06-01  9:15 ` [Intel-gfx] [PATCH -next] drm/i915: use DEVICE_ATTR_RO macro Tvrtko Ursulin
2021-06-02  9:48   ` Tvrtko Ursulin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210528100403.21548-1-yuehaibing@huawei.com \
    --to=yuehaibing@huawei.com \
    --cc=airlied@linux.ie \
    --cc=chris@chris-wilson.co.uk \
    --cc=daniel@ffwll.ch \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=jani.nikula@linux.intel.com \
    --cc=joonas.lahtinen@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rodrigo.vivi@intel.com \
    --cc=tvrtko.ursulin@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).