diff options
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_dp_core.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dpi.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dsi.c | 44 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_encoder.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 65 |
6 files changed, 65 insertions, 130 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index 172b8002a2c8..ef249520e5bb 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -1066,8 +1066,9 @@ static void exynos_dp_phy_exit(struct exynos_dp_device *dp) phy_power_off(dp->phy); } -static void exynos_dp_poweron(struct exynos_dp_device *dp) +static void exynos_dp_enable(struct exynos_drm_display *display) { + struct exynos_dp_device *dp = display_to_dp(display); struct exynos_drm_crtc *crtc = dp_to_crtc(dp); if (dp->dpms_mode == DRM_MODE_DPMS_ON) @@ -1088,10 +1089,13 @@ static void exynos_dp_poweron(struct exynos_dp_device *dp) exynos_dp_init_dp(dp); enable_irq(dp->irq); exynos_dp_commit(&dp->display); + + dp->dpms_mode = DRM_MODE_DPMS_ON; } -static void exynos_dp_poweroff(struct exynos_dp_device *dp) +static void exynos_dp_disable(struct exynos_drm_display *display) { + struct exynos_dp_device *dp = display_to_dp(display); struct exynos_drm_crtc *crtc = dp_to_crtc(dp); if (dp->dpms_mode != DRM_MODE_DPMS_ON) @@ -1116,30 +1120,14 @@ static void exynos_dp_poweroff(struct exynos_dp_device *dp) if (drm_panel_unprepare(dp->panel)) DRM_ERROR("failed to turnoff the panel\n"); } -} - -static void exynos_dp_dpms(struct exynos_drm_display *display, int mode) -{ - struct exynos_dp_device *dp = display_to_dp(display); - switch (mode) { - case DRM_MODE_DPMS_ON: - exynos_dp_poweron(dp); - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - exynos_dp_poweroff(dp); - break; - default: - break; - } - dp->dpms_mode = mode; + dp->dpms_mode = DRM_MODE_DPMS_OFF; } static struct exynos_drm_display_ops exynos_dp_display_ops = { .create_connector = exynos_dp_create_connector, - .dpms = exynos_dp_dpms, + .enable = exynos_dp_enable, + .disable = exynos_dp_disable, .commit = exynos_dp_commit, }; @@ -1319,7 +1307,7 @@ static void exynos_dp_unbind(struct device *dev, struct device *master, { struct exynos_dp_device *dp = dev_get_drvdata(dev); - exynos_dp_dpms(&dp->display, DRM_MODE_DPMS_OFF); + exynos_dp_disable(&dp->display); } static const struct component_ops exynos_dp_ops = { @@ -1377,7 +1365,7 @@ static int exynos_dp_suspend(struct device *dev) { struct exynos_dp_device *dp = dev_get_drvdata(dev); - exynos_dp_dpms(&dp->display, DRM_MODE_DPMS_OFF); + exynos_dp_disable(&dp->display); return 0; } @@ -1385,7 +1373,7 @@ static int exynos_dp_resume(struct device *dev) { struct exynos_dp_device *dp = dev_get_drvdata(dev); - exynos_dp_dpms(&dp->display, DRM_MODE_DPMS_ON); + exynos_dp_enable(&dp->display); return 0; } #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 7cb6595c1894..e0426707c911 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -32,7 +32,6 @@ struct exynos_dpi { struct drm_encoder *encoder; struct videomode *vm; - int dpms_mode; }; #define connector_to_dpi(c) container_of(c, struct exynos_dpi, connector) @@ -133,46 +132,30 @@ static int exynos_dpi_create_connector(struct exynos_drm_display *display, return 0; } -static void exynos_dpi_poweron(struct exynos_dpi *ctx) +static void exynos_dpi_enable(struct exynos_drm_display *display) { + struct exynos_dpi *ctx = display_to_dpi(display); + if (ctx->panel) { drm_panel_prepare(ctx->panel); drm_panel_enable(ctx->panel); } } -static void exynos_dpi_poweroff(struct exynos_dpi *ctx) +static void exynos_dpi_disable(struct exynos_drm_display *display) { + struct exynos_dpi *ctx = display_to_dpi(display); + if (ctx->panel) { drm_panel_disable(ctx->panel); drm_panel_unprepare(ctx->panel); } } -static void exynos_dpi_dpms(struct exynos_drm_display *display, int mode) -{ - struct exynos_dpi *ctx = display_to_dpi(display); - - switch (mode) { - case DRM_MODE_DPMS_ON: - if (ctx->dpms_mode != DRM_MODE_DPMS_ON) - exynos_dpi_poweron(ctx); - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - if (ctx->dpms_mode == DRM_MODE_DPMS_ON) - exynos_dpi_poweroff(ctx); - break; - default: - break; - } - ctx->dpms_mode = mode; -} - static struct exynos_drm_display_ops exynos_dpi_display_ops = { .create_connector = exynos_dpi_create_connector, - .dpms = exynos_dpi_dpms + .enable = exynos_dpi_enable, + .disable = exynos_dpi_disable, }; /* of_* functions will be removed after merge of of_graph patches */ @@ -311,7 +294,6 @@ struct exynos_drm_display *exynos_dpi_probe(struct device *dev) ctx->display.type = EXYNOS_DISPLAY_TYPE_LCD; ctx->display.ops = &exynos_dpi_display_ops; ctx->dev = dev; - ctx->dpms_mode = DRM_MODE_DPMS_OFF; ret = exynos_dpi_parse_dt(ctx); if (ret < 0) { @@ -332,7 +314,7 @@ int exynos_dpi_remove(struct exynos_drm_display *display) { struct exynos_dpi *ctx = display_to_dpi(display); - exynos_dpi_dpms(&ctx->display, DRM_MODE_DPMS_OFF); + exynos_dpi_disable(&ctx->display); if (ctx->panel) drm_panel_detach(ctx->panel); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 9f23db44fb42..5c55606a4095 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -86,7 +86,8 @@ struct exynos_drm_plane { * @mode_set: convert drm_display_mode to hw specific display mode and * would be called by encoder->mode_set(). * @check_mode: check if mode is valid or not. - * @dpms: display device on or off. + * @enable: display device on. + * @disable: display device off. * @commit: apply changes to hw */ struct exynos_drm_display; @@ -102,7 +103,8 @@ struct exynos_drm_display_ops { struct drm_display_mode *mode); int (*check_mode)(struct exynos_drm_display *display, struct drm_display_mode *mode); - void (*dpms)(struct exynos_drm_display *display, int mode); + void (*enable)(struct exynos_drm_display *display); + void (*disable)(struct exynos_drm_display *display); void (*commit)(struct exynos_drm_display *display); }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 0e58b36cb8c2..281b97d3465b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1518,16 +1518,17 @@ static void exynos_dsi_poweroff(struct exynos_dsi *dsi) dev_err(dsi->dev, "cannot disable regulators %d\n", ret); } -static int exynos_dsi_enable(struct exynos_dsi *dsi) +static void exynos_dsi_enable(struct exynos_drm_display *display) { + struct exynos_dsi *dsi = display_to_dsi(display); int ret; if (dsi->state & DSIM_STATE_ENABLED) - return 0; + return; ret = exynos_dsi_poweron(dsi); if (ret < 0) - return ret; + return; dsi->state |= DSIM_STATE_ENABLED; @@ -1535,7 +1536,7 @@ static int exynos_dsi_enable(struct exynos_dsi *dsi) if (ret < 0) { dsi->state &= ~DSIM_STATE_ENABLED; exynos_dsi_poweroff(dsi); - return ret; + return; } exynos_dsi_set_display_mode(dsi); @@ -1547,16 +1548,16 @@ static int exynos_dsi_enable(struct exynos_dsi *dsi) exynos_dsi_set_display_enable(dsi, false); drm_panel_unprepare(dsi->panel); exynos_dsi_poweroff(dsi); - return ret; + return; } dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE; - - return 0; } -static void exynos_dsi_disable(struct exynos_dsi *dsi) +static void exynos_dsi_disable(struct exynos_drm_display *display) { + struct exynos_dsi *dsi = display_to_dsi(display); + if (!(dsi->state & DSIM_STATE_ENABLED)) return; @@ -1571,26 +1572,6 @@ static void exynos_dsi_disable(struct exynos_dsi *dsi) exynos_dsi_poweroff(dsi); } -static void exynos_dsi_dpms(struct exynos_drm_display *display, int mode) -{ - struct exynos_dsi *dsi = display_to_dsi(display); - - if (dsi->panel) { - switch (mode) { - case DRM_MODE_DPMS_ON: - exynos_dsi_enable(dsi); - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - exynos_dsi_disable(dsi); - break; - default: - break; - } - } -} - static enum drm_connector_status exynos_dsi_detect(struct drm_connector *connector, bool force) { @@ -1604,7 +1585,7 @@ exynos_dsi_detect(struct drm_connector *connector, bool force) struct exynos_drm_display *display; display = platform_get_drvdata(to_platform_device(dsi->dev)); - exynos_dsi_dpms(display, DRM_MODE_DPMS_OFF); + exynos_dsi_disable(display); drm_panel_detach(dsi->panel); dsi->panel = NULL; } @@ -1698,7 +1679,8 @@ static void exynos_dsi_mode_set(struct exynos_drm_display *display, static struct exynos_drm_display_ops exynos_dsi_display_ops = { .create_connector = exynos_dsi_create_connector, .mode_set = exynos_dsi_mode_set, - .dpms = exynos_dsi_dpms + .enable = exynos_dsi_enable, + .disable = exynos_dsi_disable, }; MODULE_DEVICE_TABLE(of, exynos_dsi_of_match); @@ -1849,7 +1831,7 @@ static void exynos_dsi_unbind(struct device *dev, struct device *master, struct exynos_drm_display *display = dev_get_drvdata(dev); struct exynos_dsi *dsi = display_to_dsi(display); - exynos_dsi_dpms(display, DRM_MODE_DPMS_OFF); + exynos_dsi_disable(display); mipi_dsi_host_unregister(&dsi->dsi_host); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 7b89fd520e45..0aa4a58c912c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -70,8 +70,8 @@ static void exynos_drm_encoder_enable(struct drm_encoder *encoder) struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder); struct exynos_drm_display *display = exynos_encoder->display; - if (display->ops->dpms) - display->ops->dpms(display, DRM_MODE_DPMS_ON); + if (display->ops->enable) + display->ops->enable(display); if (display->ops->commit) display->ops->commit(display); @@ -82,8 +82,8 @@ static void exynos_drm_encoder_disable(struct drm_encoder *encoder) struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder); struct exynos_drm_display *display = exynos_encoder->display; - if (display->ops->dpms) - display->ops->dpms(display, DRM_MODE_DPMS_OFF); + if (display->ops->disable) + display->ops->disable(display); } static struct drm_encoder_helper_funcs exynos_encoder_helper_funcs = { diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 448f53449b99..9b9396a3214d 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1723,8 +1723,9 @@ static void hdmi_commit(struct exynos_drm_display *display) hdmi_conf_apply(hdata); } -static void hdmi_poweron(struct hdmi_context *hdata) +static void hdmi_enable(struct exynos_drm_display *display) { + struct hdmi_context *hdata = display_to_hdmi(display); struct hdmi_resources *res = &hdata->res; if (hdata->powered) @@ -1745,16 +1746,33 @@ static void hdmi_poweron(struct hdmi_context *hdata) clk_prepare_enable(res->sclk_hdmi); hdmiphy_poweron(hdata); - hdmi_commit(&hdata->display); + hdmi_commit(display); } -static void hdmi_poweroff(struct hdmi_context *hdata) +static void hdmi_disable(struct exynos_drm_display *display) { + struct hdmi_context *hdata = display_to_hdmi(display); struct hdmi_resources *res = &hdata->res; + struct drm_crtc *crtc = hdata->encoder->crtc; + const struct drm_crtc_helper_funcs *funcs = NULL; if (!hdata->powered) return; + /* + * The SFRs of VP and Mixer are updated by Vertical Sync of + * Timing generator which is a part of HDMI so the sequence + * to disable TV Subsystem should be as following, + * VP -> Mixer -> HDMI + * + * Below codes will try to disable Mixer and VP(if used) + * prior to disabling HDMI. + */ + if (crtc) + funcs = crtc->helper_private; + if (funcs && funcs->disable) + (*funcs->disable)(crtc); + /* HDMI System Disable */ hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN); @@ -1776,49 +1794,12 @@ static void hdmi_poweroff(struct hdmi_context *hdata) hdata->powered = false; } -static void hdmi_dpms(struct exynos_drm_display *display, int mode) -{ - struct hdmi_context *hdata = display_to_hdmi(display); - struct drm_encoder *encoder = hdata->encoder; - struct drm_crtc *crtc = encoder->crtc; - const struct drm_crtc_helper_funcs *funcs = NULL; - - DRM_DEBUG_KMS("mode %d\n", mode); - - switch (mode) { - case DRM_MODE_DPMS_ON: - hdmi_poweron(hdata); - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - /* - * The SFRs of VP and Mixer are updated by Vertical Sync of - * Timing generator which is a part of HDMI so the sequence - * to disable TV Subsystem should be as following, - * VP -> Mixer -> HDMI - * - * Below codes will try to disable Mixer and VP(if used) - * prior to disabling HDMI. - */ - if (crtc) - funcs = crtc->helper_private; - if (funcs && funcs->disable) - (*funcs->disable)(crtc); - - hdmi_poweroff(hdata); - break; - default: - DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); - break; - } -} - static struct exynos_drm_display_ops hdmi_display_ops = { .create_connector = hdmi_create_connector, .mode_fixup = hdmi_mode_fixup, .mode_set = hdmi_mode_set, - .dpms = hdmi_dpms, + .enable = hdmi_enable, + .disable = hdmi_disable, .commit = hdmi_commit, }; 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