Exemple #1
0
static void imx_ldb_encoder_disable(struct drm_encoder *encoder)
{
	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
	struct imx_ldb *ldb = imx_ldb_ch->ldb;

	/*
	 * imx_ldb_encoder_disable is called by
	 * drm_helper_disable_unused_functions without
	 * the encoder being enabled before.
	 */
	if (imx_ldb_ch == &ldb->channel[0] &&
	    (ldb->ldb_ctrl & LDB_CH0_MODE_EN_MASK) == 0)
		return;
	else if (imx_ldb_ch == &ldb->channel[1] &&
		 (ldb->ldb_ctrl & LDB_CH1_MODE_EN_MASK) == 0)
		return;

	drm_panel_disable(imx_ldb_ch->panel);

	if (imx_ldb_ch == &ldb->channel[0])
		ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK;
	else if (imx_ldb_ch == &ldb->channel[1])
		ldb->ldb_ctrl &= ~LDB_CH1_MODE_EN_MASK;

	regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl);

	if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) {
		clk_disable_unprepare(ldb->clk[0]);
		clk_disable_unprepare(ldb->clk[1]);
	}
}
static void analogix_dp_bridge_disable(struct drm_bridge *bridge)
{
	struct analogix_dp_device *dp = bridge->driver_private;
	int ret;

	if (dp->dpms_mode != DRM_MODE_DPMS_ON)
		return;

	if (dp->plat_data->panel) {
		if (drm_panel_disable(dp->plat_data->panel)) {
			DRM_ERROR("failed to disable the panel\n");
			return;
		}
	}

	disable_irq(dp->irq);
	phy_power_off(dp->phy);

	if (dp->plat_data->power_off)
		dp->plat_data->power_off(dp->plat_data);

	pm_runtime_put_sync(dp->dev);

	ret = analogix_dp_prepare_panel(dp, false, true);
	if (ret)
		DRM_ERROR("failed to setup the panel ret = %d\n", ret);

	dp->dpms_mode = DRM_MODE_DPMS_OFF;
}
Exemple #3
0
static void imx_pd_encoder_disable(struct drm_encoder *encoder)
{
	struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);

	drm_panel_disable(imxpd->panel);
	drm_panel_unprepare(imxpd->panel);
}
Exemple #4
0
static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder)
{
	struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);

	drm_panel_disable(dsi->panel);

	if (clk_prepare_enable(dsi->pclk)) {
		dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__);
		return;
	}

	dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE);
	drm_panel_unprepare(dsi->panel);
	dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE);

	/*
	 * This is necessary to make sure the peripheral will be driven
	 * normally when the display is enabled again later.
	 */
	msleep(120);

	dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE);
	dw_mipi_dsi_disable(dsi);
	clk_disable_unprepare(dsi->pclk);
}
static void exynos_dp_bridge_disable(struct drm_bridge *bridge)
{
	struct exynos_dp_device *dp = bridge->driver_private;
	struct exynos_drm_crtc *crtc = dp_to_crtc(dp);

	if (dp->dpms_mode != DRM_MODE_DPMS_ON)
		return;

	if (dp->panel) {
		if (drm_panel_disable(dp->panel)) {
			DRM_ERROR("failed to disable the panel\n");
			return;
		}
	}

	disable_irq(dp->irq);
	flush_work(&dp->hotplug_work);
	phy_power_off(dp->phy);

	if (crtc->ops->clock_enable)
		crtc->ops->clock_enable(dp_to_crtc(dp), false);

	if (dp->panel) {
		if (drm_panel_unprepare(dp->panel))
			DRM_ERROR("failed to turnoff the panel\n");
	}

	pm_runtime_put_sync(dp->dev);

	dp->dpms_mode = DRM_MODE_DPMS_OFF;
}
static void exynos_dpi_poweroff(struct exynos_dpi *ctx)
{
	if (ctx->panel) {
		drm_panel_disable(ctx->panel);
		drm_panel_unprepare(ctx->panel);
	}
}
Exemple #7
0
static void imx_pd_encoder_dpms(struct drm_encoder *encoder, int mode)
{
	struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);

	if (mode != DRM_MODE_DPMS_ON)
		drm_panel_disable(imxpd->panel);
	else
		drm_panel_enable(imxpd->panel);
}
static void exynos_dp_commit(struct drm_encoder *encoder)
{
	struct exynos_dp_device *dp = encoder_to_dp(encoder);
	int ret;

	/* Keep the panel disabled while we configure video */
	if (dp->panel) {
		if (drm_panel_disable(dp->panel))
			DRM_ERROR("failed to disable the panel\n");
	}

	ret = exynos_dp_detect_hpd(dp);
	if (ret) {
		/* Cable has been disconnected, we're done */
		return;
	}

	ret = exynos_dp_handle_edid(dp);
	if (ret) {
		dev_err(dp->dev, "unable to handle edid\n");
		return;
	}

	ret = exynos_dp_set_link_train(dp, dp->video_info->lane_count,
					dp->video_info->link_rate);
	if (ret) {
		dev_err(dp->dev, "unable to do link train\n");
		return;
	}

	exynos_dp_enable_scramble(dp, 1);
	exynos_dp_enable_rx_to_enhanced_mode(dp, 1);
	exynos_dp_enable_enhanced_mode(dp, 1);

	exynos_dp_set_lane_count(dp, dp->video_info->lane_count);
	exynos_dp_set_link_bandwidth(dp, dp->video_info->link_rate);

	exynos_dp_init_video(dp);
	ret = exynos_dp_config_video(dp);
	if (ret)
		dev_err(dp->dev, "unable to config video\n");

	/* Safe to enable the panel now */
	if (dp->panel) {
		if (drm_panel_enable(dp->panel))
			DRM_ERROR("failed to enable the panel\n");
	}

	/* Enable video */
	exynos_dp_start_video(dp);
}
Exemple #9
0
static void tegra_encoder_dpms(struct drm_encoder *encoder, int mode)
{
	struct tegra_output *output = encoder_to_output(encoder);
	struct drm_panel *panel = output->panel;

	if (mode != DRM_MODE_DPMS_ON) {
		drm_panel_disable(panel);
		tegra_output_disable(output);
		drm_panel_unprepare(panel);
	} else {
		drm_panel_prepare(panel);
		tegra_output_enable(output);
		drm_panel_enable(panel);
	}
}
Exemple #10
0
static void rcar_lvds_disable(struct drm_bridge *bridge)
{
	struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge);

	WARN_ON(!lvds->enabled);

	if (lvds->panel) {
		drm_panel_disable(lvds->panel);
		drm_panel_unprepare(lvds->panel);
	}

	rcar_lvds_write(lvds, LVDCR0, 0);
	rcar_lvds_write(lvds, LVDCR1, 0);

	clk_disable_unprepare(lvds->clock);

	lvds->enabled = false;
}
Exemple #11
0
static void imx_ldb_encoder_disable(struct drm_encoder *encoder)
{
	struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
	struct imx_ldb *ldb = imx_ldb_ch->ldb;
	int mux, ret;

	/*
	 * imx_ldb_encoder_disable is called by
	 * drm_helper_disable_unused_functions without
	 * the encoder being enabled before.
	 */
	if (imx_ldb_ch == &ldb->channel[0] &&
	    (ldb->ldb_ctrl & LDB_CH0_MODE_EN_MASK) == 0)
		return;
	else if (imx_ldb_ch == &ldb->channel[1] &&
		 (ldb->ldb_ctrl & LDB_CH1_MODE_EN_MASK) == 0)
		return;

	drm_panel_disable(imx_ldb_ch->panel);

	if (imx_ldb_ch == &ldb->channel[0])
		ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK;
	else if (imx_ldb_ch == &ldb->channel[1])
		ldb->ldb_ctrl &= ~LDB_CH1_MODE_EN_MASK;

	regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl);

	if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) {
		clk_disable_unprepare(ldb->clk[0]);
		clk_disable_unprepare(ldb->clk[1]);
	}

	if (ldb->lvds_mux) {
		const struct bus_mux *lvds_mux = NULL;

		if (imx_ldb_ch == &ldb->channel[0])
			lvds_mux = &ldb->lvds_mux[0];
		else if (imx_ldb_ch == &ldb->channel[1])
			lvds_mux = &ldb->lvds_mux[1];

		regmap_read(ldb->regmap, lvds_mux->reg, &mux);
		mux &= lvds_mux->mask;
		mux >>= lvds_mux->shift;
	} else {
static void mdp4_lcdc_encoder_disable(struct drm_encoder *encoder)
{
	struct drm_device *dev = encoder->dev;
	struct mdp4_lcdc_encoder *mdp4_lcdc_encoder =
			to_mdp4_lcdc_encoder(encoder);
	struct mdp4_kms *mdp4_kms = get_kms(encoder);
	struct drm_panel *panel;
	int i, ret;

	if (WARN_ON(!mdp4_lcdc_encoder->enabled))
		return;

	mdp4_write(mdp4_kms, REG_MDP4_LCDC_ENABLE, 0);

	panel = of_drm_find_panel(mdp4_lcdc_encoder->panel_node);
	if (!IS_ERR(panel)) {
		drm_panel_disable(panel);
		drm_panel_unprepare(panel);
	}

	/*
	 * Wait for a vsync so we know the ENABLE=0 latched before
	 * the (connector) source of the vsync's gets disabled,
	 * otherwise we end up in a funny state if we re-enable
	 * before the disable latches, which results that some of
	 * the settings changes for the new modeset (like new
	 * scanout buffer) don't latch properly..
	 */
	mdp_irq_wait(&mdp4_kms->base, MDP4_IRQ_PRIMARY_VSYNC);

	clk_disable_unprepare(mdp4_lcdc_encoder->lcdc_clk);

	for (i = 0; i < ARRAY_SIZE(mdp4_lcdc_encoder->regs); i++) {
		ret = regulator_disable(mdp4_lcdc_encoder->regs[i]);
		if (ret)
			DRM_DEV_ERROR(dev->dev, "failed to disable regulator: %d\n", ret);
	}

	bs_set(mdp4_lcdc_encoder, 0);

	mdp4_lcdc_encoder->enabled = false;
}
static void analogix_dp_commit(struct analogix_dp_device *dp)
{
	int ret;

	/* Keep the panel disabled while we configure video */
	if (dp->plat_data->panel) {
		if (drm_panel_disable(dp->plat_data->panel))
			DRM_ERROR("failed to disable the panel\n");
	}

	ret = analogix_dp_set_link_train(dp, dp->video_info.max_lane_count,
					 dp->video_info.max_link_rate);
	if (ret) {
		dev_err(dp->dev, "unable to do link train\n");
		return;
	}

	analogix_dp_enable_scramble(dp, 1);
	analogix_dp_enable_rx_to_enhanced_mode(dp, 1);
	analogix_dp_enable_enhanced_mode(dp, 1);

	analogix_dp_init_video(dp);
	ret = analogix_dp_config_video(dp);
	if (ret)
		dev_err(dp->dev, "unable to config video\n");

	/* Safe to enable the panel now */
	if (dp->plat_data->panel) {
		if (drm_panel_enable(dp->plat_data->panel))
			DRM_ERROR("failed to enable the panel\n");
	}

	/* Enable video */
	analogix_dp_start_video(dp);

	dp->psr_support = analogix_dp_detect_sink_psr(dp);
	if (dp->psr_support)
		analogix_dp_enable_sink_psr(dp);
}
Exemple #14
0
static void exynos_dp_poweroff(struct exynos_drm_display *display)
{
	struct exynos_dp_device *dp = display_to_dp(display);

	if (dp->dpms_mode != DRM_MODE_DPMS_ON)
		return;

	if (dp->panel) {
		if (drm_panel_disable(dp->panel)) {
			DRM_ERROR("failed to disable the panel\n");
			return;
		}
	}

	disable_irq(dp->irq);
	flush_work(&dp->hotplug_work);
	exynos_dp_phy_exit(dp);
	clk_disable_unprepare(dp->clock);

	if (dp->panel) {
		if (drm_panel_unprepare(dp->panel))
			DRM_ERROR("failed to turnoff the panel\n");
	}
}
Exemple #15
0
static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
{
	int id = dsi_mgr_bridge_get_id(bridge);
	struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
	struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
	struct mipi_dsi_host *host = msm_dsi->host;
	struct drm_panel *panel = msm_dsi->panel;
	bool is_dual_dsi = IS_DUAL_DSI();
	int ret;

	DBG("id=%d", id);

	if (!msm_dsi_device_connected(msm_dsi))
		return;

	/*
	 * Do nothing with the host if it is slave-DSI in case of dual DSI.
	 * It is safe to call dsi_mgr_phy_disable() here because a single PHY
	 * won't be diabled until both PHYs request disable.
	 */
	if (is_dual_dsi && !IS_MASTER_DSI_LINK(id))
		goto disable_phy;

	if (panel) {
		ret = drm_panel_disable(panel);
		if (ret)
			pr_err("%s: Panel %d OFF failed, %d\n", __func__, id,
									ret);
	}

	ret = msm_dsi_host_disable(host);
	if (ret)
		pr_err("%s: host %d disable failed, %d\n", __func__, id, ret);

	if (is_dual_dsi && msm_dsi1) {
		ret = msm_dsi_host_disable(msm_dsi1->host);
		if (ret)
			pr_err("%s: host1 disable failed, %d\n", __func__, ret);
	}

	if (panel) {
		ret = drm_panel_unprepare(panel);
		if (ret)
			pr_err("%s: Panel %d unprepare failed,%d\n", __func__,
								id, ret);
	}

	ret = msm_dsi_host_power_off(host);
	if (ret)
		pr_err("%s: host %d power off failed,%d\n", __func__, id, ret);

	if (is_dual_dsi && msm_dsi1) {
		ret = msm_dsi_host_power_off(msm_dsi1->host);
		if (ret)
			pr_err("%s: host1 power off failed, %d\n",
								__func__, ret);
	}

disable_phy:
	dsi_mgr_phy_disable(id);
}
Exemple #16
0
static void exynos_dpi_poweroff(struct exynos_dpi *ctx)
{
	if (ctx->panel)
		drm_panel_disable(ctx->panel);
}