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;
}
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);
}
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);
}
}
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);
}
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);
}
}
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;
}
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);
}
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");
}
}
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);
}
static void exynos_dpi_poweroff(struct exynos_dpi *ctx)
{
if (ctx->panel)
drm_panel_disable(ctx->panel);
}