Merge "msm: mdss: change dfps mode through framebuffer device node" (8465eb64) · Commits · e / devices / android_kernel_sony_msm8994

drivers/video/msm/mdss/mdss_fb.c

+57 −0

Original line number	Diff line number	Diff line
		@@ -661,6 +661,60 @@ static int mdss_fb_blanking_mode_switch(struct msm_fb_data_type *mfd, int mode)
		return 0;
		}

		static ssize_t mdss_fb_change_dfps_mode(struct device *dev,
		struct device_attribute attr, const char buf, size_t len)
		{
		struct fb_info *fbi = dev_get_drvdata(dev);
		struct msm_fb_data_type mfd = (struct msm_fb_data_type )fbi->par;
		struct mdss_panel_data *pdata;
		struct mdss_panel_info *pinfo;
		u32 dfps_mode;

		pdata = dev_get_platdata(&mfd->pdev->dev);
		if (!pdata) {
		pr_err("no panel connected!\n");
		return len;
		}
		pinfo = &pdata->panel_info;

		if (sscanf(buf, "%d", &dfps_mode) != 1) {
		pr_err("sccanf buf error!\n");
		return len;
		}

		if (dfps_mode >= DFPS_MODE_MAX) {
		pinfo->dynamic_fps = false;
		return len;
		}

		pinfo->dynamic_fps = true;
		pinfo->dfps_update = dfps_mode;

		return len;
		}

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

		pdata = dev_get_platdata(&mfd->pdev->dev);
		if (!pdata) {
		pr_err("no panel connected!\n");
		return -EINVAL;
		}
		pinfo = &pdata->panel_info;

		ret = scnprintf(buf, PAGE_SIZE, "dfps enabled=%d mode=%d\n",
		pinfo->dynamic_fps, pinfo->dfps_update);

		return ret;
		}

		static DEVICE_ATTR(msm_fb_type, S_IRUGO, mdss_fb_get_type, NULL);
		static DEVICE_ATTR(msm_fb_split, S_IRUGO \| S_IWUSR, mdss_fb_show_split,
		mdss_fb_store_split);
		@@ -675,6 +729,8 @@ static DEVICE_ATTR(msm_fb_thermal_level, S_IRUGO \| S_IWUSR,
		mdss_fb_get_thermal_level, mdss_fb_set_thermal_level);
		static DEVICE_ATTR(msm_fb_panel_status, S_IRUGO,
		mdss_fb_get_panel_status, NULL);
		static DEVICE_ATTR(msm_fb_dfps_mode, S_IRUGO \| S_IWUSR,
		mdss_fb_get_dfps_mode, mdss_fb_change_dfps_mode);
		static struct attribute *mdss_fb_attrs[] = {
		&dev_attr_msm_fb_type.attr,
		&dev_attr_msm_fb_split.attr,
		@@ -685,6 +741,7 @@ static struct attribute *mdss_fb_attrs[] = {
		&dev_attr_msm_fb_src_split_info.attr,
		&dev_attr_msm_fb_thermal_level.attr,
		&dev_attr_msm_fb_panel_status.attr,
		&dev_attr_msm_fb_dfps_mode.attr,
		NULL,
		};

drivers/video/msm/mdss/mdss_panel.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -325,6 +325,7 @@ enum dynamic_fps_update {
		DFPS_IMMEDIATE_CLK_UPDATE_MODE,
		DFPS_IMMEDIATE_PORCH_UPDATE_MODE_VFP,
		DFPS_IMMEDIATE_PORCH_UPDATE_MODE_HFP,
		DFPS_MODE_MAX
		};

		enum lvds_mode {