Merge "msm: mdss: Support for thermal mitigation in mdss" (4d11bc8f) · Commits · e / devices / android_kernel_sony_msm8994

drivers/video/msm/mdss/mdss_fb.c

+37 −0

Original line number	Diff line number	Diff line
		@@ -355,6 +355,40 @@ static void mdss_fb_get_split(struct msm_fb_data_type *mfd)
		mfd->split_fb_left, mfd->split_fb_right);
		}

		static ssize_t mdss_fb_get_thermal_level(struct device *dev,
		struct device_attribute attr, char buf)
		{
		struct fb_info *fbi = dev_get_drvdata(dev);
		struct msm_fb_data_type *mfd = fbi->par;
		int ret;

		ret = scnprintf(buf, PAGE_SIZE, "thermal_level=%d\n",
		mfd->thermal_level);

		return ret;
		}

		static ssize_t mdss_fb_set_thermal_level(struct device *dev,
		struct device_attribute attr, const char buf, size_t count)
		{
		struct fb_info *fbi = dev_get_drvdata(dev);
		struct msm_fb_data_type *mfd = fbi->par;
		int rc = 0;
		int thermal_level = 0;

		rc = kstrtoint(buf, 10, &thermal_level);
		if (rc) {
		pr_err("kstrtoint failed. rc=%d\n", rc);
		return rc;
		}

		pr_debug("Thermal level set to %d\n", thermal_level);
		mfd->thermal_level = thermal_level;
		sysfs_notify(&mfd->fbi->dev->kobj, NULL, "msm_fb_thermal_level");

		return count;
		}

		static ssize_t mdss_mdp_show_blank_event(struct device *dev,
		struct device_attribute attr, char buf)
		{
		@@ -553,6 +587,8 @@ static DEVICE_ATTR(idle_notify, S_IRUGO, mdss_fb_get_idle_notify, NULL);
		static DEVICE_ATTR(msm_fb_panel_info, S_IRUGO, mdss_fb_get_panel_info, NULL);
		static DEVICE_ATTR(msm_fb_src_split_info, S_IRUGO, mdss_fb_get_src_split_info,
		NULL);
		static DEVICE_ATTR(msm_fb_thermal_level, S_IRUGO \| S_IWUSR,
		mdss_fb_get_thermal_level, mdss_fb_set_thermal_level);

		static struct attribute *mdss_fb_attrs[] = {
		&dev_attr_msm_fb_type.attr,
		@@ -562,6 +598,7 @@ static struct attribute *mdss_fb_attrs[] = {
		&dev_attr_idle_notify.attr,
		&dev_attr_msm_fb_panel_info.attr,
		&dev_attr_msm_fb_src_split_info.attr,
		&dev_attr_msm_fb_thermal_level.attr,
		NULL,
		};

drivers/video/msm/mdss/mdss_fb.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -258,6 +258,7 @@ struct msm_fb_data_type {
		bool mdss_fb_split_stored;

		u32 wait_for_kickoff;
		u32 thermal_level;
		};

		static inline void mdss_fb_update_notify_update(struct msm_fb_data_type *mfd)