From 870e19d59f8a2e13750861d8f8f49e93188634ec Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 13 Sep 2018 00:17:01 +0300 Subject: drm/omap: Expose DRM modes instead of timings in display devices omap_dss_device operations expose fixed video timings through a .get_timings() operation that return a single timing for the device. To prepare for the move to drm_bridge, modify the API to instead add DRM modes directly to the connector. As this puts more burden on display devices, we also create a helper function for panels to add a single DRM mode from the panel video timings. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/omap_connector.c | 33 ++++++++++---------------------- 1 file changed, 10 insertions(+), 23 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 9da94d10782a..8d9197eebb53 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -212,8 +212,6 @@ static int omap_connector_get_modes(struct drm_connector *connector) { struct omap_connector *omap_connector = to_omap_connector(connector); struct omap_dss_device *dssdev; - struct drm_display_mode *mode; - struct videomode vm = {0}; DBG("%s", omap_connector->display->name); @@ -238,31 +236,20 @@ static int omap_connector_get_modes(struct drm_connector *connector) &connector->display_info.height_mm); /* - * Iterate over the pipeline to find the first device that can provide - * timing information. If we can't find any, we just let the KMS core - * add the default modes. + * If the display pipeline reports modes (e.g. with a fixed resolution + * panel or an analog TV output), query it. */ for (dssdev = omap_connector->display; dssdev; dssdev = dssdev->src) { - if (dssdev->ops->get_timings) - break; + if (dssdev->ops->get_modes) + return dssdev->ops->get_modes(dssdev, connector); } - if (!dssdev) - return 0; - - /* Add a single mode corresponding to the fixed panel timings. */ - mode = drm_mode_create(connector->dev); - if (!mode) - return 0; - - dssdev->ops->get_timings(dssdev, &vm); - - drm_display_mode_from_videomode(&vm, mode); - mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; - drm_mode_set_name(mode); - drm_mode_probed_add(connector, mode); - - return 1; + /* + * We can't retrieve modes, which can happen for instance for a DVI or + * VGA output with the DDC bus unconnected. The KMS core will add the + * default modes. + */ + return 0; } static int omap_connector_mode_valid(struct drm_connector *connector, -- cgit v1.2.3-70-g09d2 From a872d5e92a6728b6155a5cfbaab3db88bf2e2b7c Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 13 Sep 2018 00:35:54 +0300 Subject: drm/omap: Merge display .get_modes() and .get_size() operations Now that the .get_modes() operations takes a drm_connector and fills it with modes, it becomes easy to fill display information in the same operation without requiring a separate .get_size() opearation. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 14 +++----------- drivers/gpu/drm/omapdrm/dss/omapdss.h | 3 --- drivers/gpu/drm/omapdrm/omap_connector.c | 15 ++------------- 3 files changed, 5 insertions(+), 27 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index 9cd9ab487a24..c5f570106a17 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -1117,6 +1117,9 @@ static int dsicm_get_modes(struct omap_dss_device *dssdev, { struct panel_drv_data *ddata = to_panel_data(dssdev); + connector->display_info.width_mm = ddata->width_mm; + connector->display_info.height_mm = ddata->height_mm; + return omapdss_display_get_modes(connector, &ddata->vm); } @@ -1142,15 +1145,6 @@ static int dsicm_check_timings(struct omap_dss_device *dssdev, return ret; } -static void dsicm_get_size(struct omap_dss_device *dssdev, - unsigned int *width, unsigned int *height) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - *width = ddata->width_mm; - *height = ddata->height_mm; -} - static const struct omap_dss_device_ops dsicm_ops = { .connect = dsicm_connect, .disconnect = dsicm_disconnect, @@ -1166,8 +1160,6 @@ static const struct omap_dss_driver dsicm_dss_driver = { .update = dsicm_update, .sync = dsicm_sync, - .get_size = dsicm_get_size, - .enable_te = dsicm_enable_te, .get_te = dsicm_get_te, diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 88fa61ddc959..7637fc041b71 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -457,9 +457,6 @@ struct omap_dss_driver { int (*memory_read)(struct omap_dss_device *dssdev, void *buf, size_t size, u16 x, u16 y, u16 w, u16 h); - - void (*get_size)(struct omap_dss_device *dssdev, - unsigned int *width, unsigned int *height); }; struct dss_device *omapdss_get_dss(void); diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 8d9197eebb53..c0157554c12f 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -225,19 +225,8 @@ static int omap_connector_get_modes(struct drm_connector *connector) return omap_connector_get_modes_edid(connector, dssdev); /* - * Otherwise we have either a fixed resolution panel or an output that - * doesn't support modes discovery (e.g. DVI or VGA with the DDC bus - * unconnected, or analog TV). Start by querying the size. - */ - dssdev = omap_connector->display; - if (dssdev->driver && dssdev->driver->get_size) - dssdev->driver->get_size(dssdev, - &connector->display_info.width_mm, - &connector->display_info.height_mm); - - /* - * If the display pipeline reports modes (e.g. with a fixed resolution - * panel or an analog TV output), query it. + * Otherwise if the display pipeline reports modes (e.g. with a fixed + * resolution panel or an analog TV output), query it. */ for (dssdev = omap_connector->display; dssdev; dssdev = dssdev->src) { if (dssdev->ops->get_modes) -- cgit v1.2.3-70-g09d2 From 46b3847d7f680d51a29384a5ee9e1d54e6739f5d Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 13 Sep 2018 00:37:35 +0300 Subject: drm/omap: Add a dss device operation flag for .get_modes() Instead of manually iterating over the dss devices in the pipeline to find the first one that implements the .get_modes() operation, add a new operation flag for .get_modes() and use the omap_connector_find_device() helper function to locate the right dss device. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 1 + drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 1 + drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c | 1 + drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c | 1 + drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c | 1 + drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c | 1 + drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c | 1 + drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c | 1 + drivers/gpu/drm/omapdrm/dss/omapdss.h | 4 +++- drivers/gpu/drm/omapdrm/dss/venc.c | 1 + drivers/gpu/drm/omapdrm/omap_connector.c | 8 ++++---- 11 files changed, 16 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c index d6a584292e91..897b8820e000 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c @@ -152,6 +152,7 @@ static int panel_dpi_probe(struct platform_device *pdev) dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; drm_bus_flags_from_videomode(&ddata->vm, &dssdev->bus_flags); omapdss_display_init(dssdev); diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index c5f570106a17..fe9d9f847d2e 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -1271,6 +1271,7 @@ static int dsicm_probe(struct platform_device *pdev) dssdev->type = OMAP_DISPLAY_TYPE_DSI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE | OMAP_DSS_DISPLAY_CAP_TEAR_ELIM; diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c index e05b7f80416e..f37931bf1c5f 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c @@ -199,6 +199,7 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi) dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; /* * Note: According to the panel documentation: diff --git a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c index cf2127837e67..8f2fb3d0492f 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c @@ -194,6 +194,7 @@ static int nec_8048_probe(struct spi_device *spi) dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_POSEDGE | DRM_BUS_FLAG_PIXDATA_POSEDGE; diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c index 30320cee1e56..8d5d7f775b55 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c @@ -209,6 +209,7 @@ static int sharp_ls_probe(struct platform_device *pdev) dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; /* * Note: According to the panel documentation: diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c index 8debe77f92ff..b8360cef3754 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c @@ -708,6 +708,7 @@ static int acx565akm_probe(struct spi_device *spi) dssdev->type = OMAP_DISPLAY_TYPE_SDI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_NEGEDGE | DRM_BUS_FLAG_PIXDATA_POSEDGE; diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c index c8b15f19a166..721c5bb3bdef 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c @@ -323,6 +323,7 @@ static int td028ttec1_panel_probe(struct spi_device *spi) dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; /* * Note: According to the panel documentation: diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c index 9ecc4c7bee67..50960018dbe8 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c @@ -422,6 +422,7 @@ static int tpo_td043_probe(struct spi_device *spi) dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; dssdev->of_ports = BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES; /* * Note: According to the panel documentation: diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 7637fc041b71..01da7e94b974 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -393,12 +393,14 @@ struct omap_dss_device_ops { * enum omap_dss_device_ops_flag - Indicates which device ops are supported * @OMAP_DSS_DEVICE_OP_DETECT: The device supports output connection detection * @OMAP_DSS_DEVICE_OP_HPD: The device supports all hot-plug-related operations - * @OMAP_DSS_DEVICE_OP_EDID: The device supports readind EDID + * @OMAP_DSS_DEVICE_OP_EDID: The device supports reading EDID + * @OMAP_DSS_DEVICE_OP_MODES: The device supports reading modes */ enum omap_dss_device_ops_flag { OMAP_DSS_DEVICE_OP_DETECT = BIT(0), OMAP_DSS_DEVICE_OP_HPD = BIT(1), OMAP_DSS_DEVICE_OP_EDID = BIT(2), + OMAP_DSS_DEVICE_OP_MODES = BIT(3), }; struct omap_dss_device { diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index cefefe6d6fcb..f1abb4195a76 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -755,6 +755,7 @@ static int venc_init_output(struct venc_device *venc) out->ops = &venc_ops; out->owner = THIS_MODULE; out->of_ports = BIT(0); + out->ops_flags = OMAP_DSS_DEVICE_OP_MODES; r = omapdss_device_init_output(out); if (r < 0) diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index c0157554c12f..dc4533c8cbb4 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -228,10 +228,10 @@ static int omap_connector_get_modes(struct drm_connector *connector) * Otherwise if the display pipeline reports modes (e.g. with a fixed * resolution panel or an analog TV output), query it. */ - for (dssdev = omap_connector->display; dssdev; dssdev = dssdev->src) { - if (dssdev->ops->get_modes) - return dssdev->ops->get_modes(dssdev, connector); - } + dssdev = omap_connector_find_device(connector, + OMAP_DSS_DEVICE_OP_MODES); + if (dssdev) + return dssdev->ops->get_modes(dssdev, connector); /* * We can't retrieve modes, which can happen for instance for a DVI or -- cgit v1.2.3-70-g09d2 From 6b97cc9560474f8dd1d4ef14caa1d33249dd8176 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 13 Sep 2018 03:10:25 +0300 Subject: drm/omap: Don't store display pointer in omap_connector structure Display pipelines based on drm_bridge are handled from the bridge closest to the CRTC. To move to that model we thus need to transition away from walking pipelines in the other direction, and from accessing the device at the end of the pipeline when possible. Remove most accesses to the display device from the omap_connector implementation, and don't store it in the omap_connector structure. - For debug messages we can simply use the connector name instead. - For type checks we can use the drm_connector type. - For operation lookup we can start at the other end of the pipeline and locate the last matching device. The display device is still passed to the connector init function in order to find its type, which requires access to the end of the pipeline. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/omap_connector.c | 31 +++++++++++++------------------ 1 file changed, 13 insertions(+), 18 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index dc4533c8cbb4..6f219f61a783 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -30,7 +30,6 @@ struct omap_connector { struct drm_connector base; struct omap_dss_device *output; - struct omap_dss_device *display; struct omap_dss_device *hpd; bool hdmi_mode; }; @@ -103,20 +102,20 @@ omap_connector_find_device(struct drm_connector *connector, enum omap_dss_device_ops_flag op) { struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev; + struct omap_dss_device *dssdev = NULL; + struct omap_dss_device *d; - for (dssdev = omap_connector->display; dssdev; dssdev = dssdev->src) { - if (dssdev->ops_flags & op) - return dssdev; + for (d = omap_connector->output; d; d = d->next) { + if (d->ops_flags & op) + dssdev = d; } - return NULL; + return dssdev; } static enum drm_connector_status omap_connector_detect( struct drm_connector *connector, bool force) { - struct omap_connector *omap_connector = to_omap_connector(connector); struct omap_dss_device *dssdev; enum drm_connector_status status; @@ -130,11 +129,10 @@ static enum drm_connector_status omap_connector_detect( omap_connector_hpd_notify(connector, dssdev->src, status); } else { - switch (omap_connector->display->type) { - case OMAP_DISPLAY_TYPE_DPI: - case OMAP_DISPLAY_TYPE_DBI: - case OMAP_DISPLAY_TYPE_SDI: - case OMAP_DISPLAY_TYPE_DSI: + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_DPI: + case DRM_MODE_CONNECTOR_LVDS: + case DRM_MODE_CONNECTOR_DSI: status = connector_status_connected; break; default: @@ -143,7 +141,7 @@ static enum drm_connector_status omap_connector_detect( } } - VERB("%s: %d (force=%d)", omap_connector->display->name, status, force); + VERB("%s: %d (force=%d)", connector->name, status, force); return status; } @@ -152,7 +150,7 @@ static void omap_connector_destroy(struct drm_connector *connector) { struct omap_connector *omap_connector = to_omap_connector(connector); - DBG("%s", omap_connector->display->name); + DBG("%s", connector->name); if (omap_connector->hpd) { struct omap_dss_device *hpd = omap_connector->hpd; @@ -166,7 +164,6 @@ static void omap_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); omapdss_device_put(omap_connector->output); - omapdss_device_put(omap_connector->display); kfree(omap_connector); } @@ -210,10 +207,9 @@ no_edid: static int omap_connector_get_modes(struct drm_connector *connector) { - struct omap_connector *omap_connector = to_omap_connector(connector); struct omap_dss_device *dssdev; - DBG("%s", omap_connector->display->name); + DBG("%s", connector->name); /* * If display exposes EDID, then we parse that in the normal way to @@ -341,7 +337,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, goto fail; omap_connector->output = omapdss_device_get(output); - omap_connector->display = omapdss_device_get(display); connector = &omap_connector->base; connector->interlace_allowed = 1; -- cgit v1.2.3-70-g09d2 From 27a7e3e18419869cdcc414a404f3fe66f1b4e644 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 13 Sep 2018 03:45:06 +0300 Subject: drm/omap: Notify all devices in the pipeline of output disconnection For HDMI pipelines, when the output gets disconnected the device handling CEC needs to be notified. Instead of guessing which device that would be (and sometimes getting it wrong), notify all devices in the pipeline. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/omap_connector.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 6f219f61a783..e01e4cf61ae1 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -35,18 +35,22 @@ struct omap_connector { }; static void omap_connector_hpd_notify(struct drm_connector *connector, - struct omap_dss_device *src, enum drm_connector_status status) { - if (status == connector_status_disconnected) { - /* - * If the source is an HDMI encoder, notify it of disconnection. - * This is required to let the HDMI encoder reset any internal - * state related to connection status, such as the CEC address. - */ - if (src && src->type == OMAP_DISPLAY_TYPE_HDMI && - src->ops->hdmi.lost_hotplug) - src->ops->hdmi.lost_hotplug(src); + struct omap_connector *omap_connector = to_omap_connector(connector); + struct omap_dss_device *dssdev; + + if (status != connector_status_disconnected) + return; + + /* + * Notify all devics in the pipeline of disconnection. This is required + * to let the HDMI encoders reset their internal state related to + * connection status, such as the CEC address. + */ + for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) { + if (dssdev->ops && dssdev->ops->hdmi.lost_hotplug) + dssdev->ops->hdmi.lost_hotplug(dssdev); } } @@ -66,7 +70,7 @@ static void omap_connector_hpd_cb(void *cb_data, if (old_status == status) return; - omap_connector_hpd_notify(connector, omap_connector->hpd, status); + omap_connector_hpd_notify(connector, status); drm_kms_helper_hotplug_event(dev); } @@ -127,7 +131,7 @@ static enum drm_connector_status omap_connector_detect( ? connector_status_connected : connector_status_disconnected; - omap_connector_hpd_notify(connector, dssdev->src, status); + omap_connector_hpd_notify(connector, status); } else { switch (connector->connector_type) { case DRM_MODE_CONNECTOR_DPI: -- cgit v1.2.3-70-g09d2 From 116c7721077cf82b942adaef146e97663247d972 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 20 Sep 2018 00:17:42 +0300 Subject: drm/omap: Move DISPC timing checks to CRTC .mode_valid() operation The DISPC timings checks relate to the CRTC, but they're performed in the encoder and connector .atomic_check() and .mode_valid() operations. Move them to the CRTC .mode_valid() operation. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/omap_connector.c | 6 ------ drivers/gpu/drm/omapdrm/omap_crtc.c | 9 +++++++++ drivers/gpu/drm/omapdrm/omap_encoder.c | 6 ------ 3 files changed, 9 insertions(+), 12 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index e01e4cf61ae1..99ca5b3eaebb 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -245,8 +245,6 @@ static int omap_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct omap_connector *omap_connector = to_omap_connector(connector); - enum omap_channel channel = omap_connector->output->dispc_channel; - struct omap_drm_private *priv = connector->dev->dev_private; struct omap_dss_device *dssdev; struct videomode vm = {0}; struct drm_device *dev = connector->dev; @@ -256,10 +254,6 @@ static int omap_connector_mode_valid(struct drm_connector *connector, drm_display_mode_to_videomode(mode, &vm); mode->vrefresh = drm_mode_vrefresh(mode); - r = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); - if (r) - goto done; - for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) { if (!dssdev->ops->check_timings) continue; diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index d99e24dcc0bf..ae399435346b 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -390,6 +390,15 @@ static enum drm_mode_status omap_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) { struct omap_drm_private *priv = crtc->dev->dev_private; + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + struct videomode vm = {0}; + int r; + + drm_display_mode_to_videomode(mode, &vm); + r = priv->dispc_ops->mgr_check_timings(priv->dispc, omap_crtc->channel, + &vm); + if (r) + return r; /* Check for bandwidth limit */ if (priv->max_bandwidth) { diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 1f4172f653b9..623154bc44bb 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -206,19 +206,13 @@ static int omap_encoder_atomic_check(struct drm_encoder *encoder, struct drm_connector_state *conn_state) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - enum omap_channel channel = omap_encoder->output->dispc_channel; struct drm_device *dev = encoder->dev; - struct omap_drm_private *priv = dev->dev_private; struct omap_dss_device *dssdev; struct videomode vm = { 0 }; int ret; drm_display_mode_to_videomode(&crtc_state->mode, &vm); - ret = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); - if (ret) - goto done; - for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { if (!dssdev->ops->check_timings) continue; -- cgit v1.2.3-70-g09d2 From d68164fe29642270ffba64ed64b0178ef7d916bf Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 21 Sep 2018 16:13:00 +0300 Subject: drm/omap: Factor out common mode validation code The encoder .atomic_check() and connector .mode_valid() operations both walk through the dss devices in the pipeline to validate the mode. Factor out the common code in a new omap_drm_connector_mode_fixup() function. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/omap_connector.c | 54 ++++++++++++++++++-------------- drivers/gpu/drm/omapdrm/omap_connector.h | 5 +++ drivers/gpu/drm/omapdrm/omap_encoder.c | 30 ++++++------------ 3 files changed, 44 insertions(+), 45 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 99ca5b3eaebb..6fceb020e86c 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -241,45 +241,51 @@ static int omap_connector_get_modes(struct drm_connector *connector) return 0; } -static int omap_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) +enum drm_mode_status omap_connector_mode_fixup(struct omap_dss_device *dssdev, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev; - struct videomode vm = {0}; - struct drm_device *dev = connector->dev; - struct drm_display_mode *new_mode; - int r, ret = MODE_BAD; + struct videomode vm = { 0 }; + int ret; drm_display_mode_to_videomode(mode, &vm); - mode->vrefresh = drm_mode_vrefresh(mode); - for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) { + for (; dssdev; dssdev = dssdev->next) { if (!dssdev->ops->check_timings) continue; - r = dssdev->ops->check_timings(dssdev, &vm); - if (r) - goto done; + ret = dssdev->ops->check_timings(dssdev, &vm); + if (ret) + return MODE_BAD; } - /* check if vrefresh is still valid */ - new_mode = drm_mode_duplicate(dev, mode); - if (!new_mode) - return MODE_BAD; + drm_display_mode_from_videomode(&vm, adjusted_mode); - new_mode->clock = vm.pixelclock / 1000; - new_mode->vrefresh = 0; - if (mode->vrefresh == drm_mode_vrefresh(new_mode)) - ret = MODE_OK; - drm_mode_destroy(dev, new_mode); + return MODE_OK; +} + +static enum drm_mode_status omap_connector_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + struct omap_connector *omap_connector = to_omap_connector(connector); + struct drm_display_mode new_mode = { { 0 } }; + enum drm_mode_status status; + + status = omap_connector_mode_fixup(omap_connector->output, mode, + &new_mode); + if (status != MODE_OK) + goto done; + + /* Check if vrefresh is still valid. */ + if (drm_mode_vrefresh(mode) != drm_mode_vrefresh(&new_mode)) + status = MODE_NOCLOCK; done: DBG("connector: mode %s: " DRM_MODE_FMT, - (ret == MODE_OK) ? "valid" : "invalid", + (status == MODE_OK) ? "valid" : "invalid", DRM_MODE_ARG(mode)); - return ret; + return status; } static const struct drm_connector_funcs omap_connector_funcs = { diff --git a/drivers/gpu/drm/omapdrm/omap_connector.h b/drivers/gpu/drm/omapdrm/omap_connector.h index 4a1dcd0f031b..6b7d4d95e32b 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.h +++ b/drivers/gpu/drm/omapdrm/omap_connector.h @@ -22,6 +22,8 @@ #include +enum drm_mode_status; + struct drm_connector; struct drm_device; struct drm_encoder; @@ -34,5 +36,8 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, bool omap_connector_get_hdmi_mode(struct drm_connector *connector); void omap_connector_enable_hpd(struct drm_connector *connector); void omap_connector_disable_hpd(struct drm_connector *connector); +enum drm_mode_status omap_connector_mode_fixup(struct omap_dss_device *dssdev, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); #endif /* __OMAPDRM_CONNECTOR_H__ */ diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 623154bc44bb..3a7cca01888e 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -206,29 +206,17 @@ static int omap_encoder_atomic_check(struct drm_encoder *encoder, struct drm_connector_state *conn_state) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - struct drm_device *dev = encoder->dev; - struct omap_dss_device *dssdev; - struct videomode vm = { 0 }; - int ret; - - drm_display_mode_to_videomode(&crtc_state->mode, &vm); - - for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { - if (!dssdev->ops->check_timings) - continue; - - ret = dssdev->ops->check_timings(dssdev, &vm); - if (ret) - goto done; + enum drm_mode_status status; + + status = omap_connector_mode_fixup(omap_encoder->output, + &crtc_state->mode, + &crtc_state->adjusted_mode); + if (status != MODE_OK) { + dev_err(encoder->dev->dev, "invalid timings: %d\n", status); + return -EINVAL; } - drm_display_mode_from_videomode(&vm, &crtc_state->adjusted_mode); - -done: - if (ret) - dev_err(dev->dev, "invalid timings: %d\n", ret); - - return ret; + return 0; } static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = { -- cgit v1.2.3-70-g09d2 From 41322aa691950431ccef115e85b2d6bba654bd70 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 21 Sep 2018 17:00:29 +0300 Subject: drm/omap: Pass drm_display_mode to .check_timings() and .set_timings() The omap_dss_device .check_timings() and .set_timings() operations operate on struct videomode, while the DRM API operates on struct drm_display_mode. This forces conversion from to videomode in the callers. While that's not a problem per se, it creates a difference with the drm_bridge API. Replace the videomode parameter to the .check_timings() and .set_timings() operations with a drm_display_mode. This pushed the conversion to videomode down to the DSS devices in some cases. If needed they will be converted to operate on drm_display_mode natively. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 8 +++---- drivers/gpu/drm/omapdrm/dss/dpi.c | 16 +++++++------- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 6 +++--- drivers/gpu/drm/omapdrm/dss/hdmi5.c | 6 +++--- drivers/gpu/drm/omapdrm/dss/omapdss.h | 4 ++-- drivers/gpu/drm/omapdrm/dss/sdi.c | 17 ++++++++------- drivers/gpu/drm/omapdrm/dss/venc.c | 28 ++++++++++++------------- drivers/gpu/drm/omapdrm/omap_connector.c | 7 ++----- drivers/gpu/drm/omapdrm/omap_encoder.c | 2 +- 9 files changed, 46 insertions(+), 48 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index ce812094177c..d9f10f41ddfb 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -1127,20 +1127,20 @@ static int dsicm_get_modes(struct omap_dss_device *dssdev, } static int dsicm_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + struct drm_display_mode *mode) { struct panel_drv_data *ddata = to_panel_data(dssdev); int ret = 0; - if (vm->hactive != ddata->vm.hactive) + if (mode->hdisplay != ddata->vm.hactive) ret = -EINVAL; - if (vm->vactive != ddata->vm.vactive) + if (mode->vdisplay != ddata->vm.vactive) ret = -EINVAL; if (ret) { dev_warn(dssdev->dev, "wrong resolution: %d x %d", - vm->hactive, vm->vactive); + mode->hdisplay, mode->vdisplay); dev_warn(dssdev->dev, "panel resolution: %d x %d", ddata->vm.hactive, ddata->vm.vactive); } diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index 0db01cadf09f..0cb3cb72f15f 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -459,7 +459,7 @@ static void dpi_display_disable(struct omap_dss_device *dssdev) } static void dpi_set_timings(struct omap_dss_device *dssdev, - const struct videomode *vm) + const struct drm_display_mode *mode) { struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); @@ -467,13 +467,13 @@ static void dpi_set_timings(struct omap_dss_device *dssdev, mutex_lock(&dpi->lock); - dpi->vm = *vm; + drm_display_mode_to_videomode(mode, &dpi->vm); mutex_unlock(&dpi->lock); } static int dpi_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + struct drm_display_mode *mode) { struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); int lck_div, pck_div; @@ -482,20 +482,20 @@ static int dpi_check_timings(struct omap_dss_device *dssdev, struct dpi_clk_calc_ctx ctx; bool ok; - if (vm->hactive % 8 != 0) + if (mode->hdisplay % 8 != 0) return -EINVAL; - if (vm->pixelclock == 0) + if (mode->clock == 0) return -EINVAL; if (dpi->pll) { - ok = dpi_pll_clk_calc(dpi, vm->pixelclock, &ctx); + ok = dpi_pll_clk_calc(dpi, mode->clock * 1000, &ctx); if (!ok) return -EINVAL; fck = ctx.pll_cinfo.clkout[ctx.clkout_idx]; } else { - ok = dpi_dss_clk_calc(dpi, vm->pixelclock, &ctx); + ok = dpi_dss_clk_calc(dpi, mode->clock * 1000, &ctx); if (!ok) return -EINVAL; @@ -507,7 +507,7 @@ static int dpi_check_timings(struct omap_dss_device *dssdev, pck = fck / lck_div / pck_div; - vm->pixelclock = pck; + mode->clock = pck / 1000; return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index 60792981a33f..4337380b1bf7 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -249,15 +249,15 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi) } static void hdmi_display_set_timings(struct omap_dss_device *dssdev, - const struct videomode *vm) + const struct drm_display_mode *mode) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); mutex_lock(&hdmi->lock); - hdmi->cfg.vm = *vm; + drm_display_mode_to_videomode(mode, &hdmi->cfg.vm); - dispc_set_tv_pclk(hdmi->dss->dispc, vm->pixelclock); + dispc_set_tv_pclk(hdmi->dss->dispc, mode->clock * 1000); mutex_unlock(&hdmi->lock); } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index d7d33b4d2bed..b94f884c5c1a 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -248,15 +248,15 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi) } static void hdmi_display_set_timings(struct omap_dss_device *dssdev, - const struct videomode *vm) + const struct drm_display_mode *mode) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); mutex_lock(&hdmi->lock); - hdmi->cfg.vm = *vm; + drm_display_mode_to_videomode(mode, &hdmi->cfg.vm); - dispc_set_tv_pclk(hdmi->dss->dispc, vm->pixelclock); + dispc_set_tv_pclk(hdmi->dss->dispc, mode->clock * 1000); mutex_unlock(&hdmi->lock); } diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 015b2dd9fb99..a63b1d4b7a8a 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -366,9 +366,9 @@ struct omap_dss_device_ops { void (*post_disable)(struct omap_dss_device *dssdev); int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); + struct drm_display_mode *mode); void (*set_timings)(struct omap_dss_device *dssdev, - const struct videomode *vm); + const struct drm_display_mode *mode); bool (*detect)(struct omap_dss_device *dssdev); diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c index 58c17566a4cb..f096a7f77e5f 100644 --- a/drivers/gpu/drm/omapdrm/dss/sdi.c +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c @@ -206,36 +206,37 @@ static void sdi_display_disable(struct omap_dss_device *dssdev) } static void sdi_set_timings(struct omap_dss_device *dssdev, - const struct videomode *vm) + const struct drm_display_mode *mode) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); - sdi->vm = *vm; + drm_display_mode_to_videomode(mode, &sdi->vm); } static int sdi_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + struct drm_display_mode *mode) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); struct dispc_clock_info dispc_cinfo; + unsigned long pixelclock = mode->clock * 1000; unsigned long fck; unsigned long pck; int r; - if (vm->pixelclock == 0) + if (pixelclock == 0) return -EINVAL; - r = sdi_calc_clock_div(sdi, vm->pixelclock, &fck, &dispc_cinfo); + r = sdi_calc_clock_div(sdi, pixelclock, &fck, &dispc_cinfo); if (r) return r; pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div; - if (pck != vm->pixelclock) { + if (pck != pixelclock) { DSSWARN("Pixel clock adjusted from %lu Hz to %lu Hz\n", - vm->pixelclock, pck); + pixelclock, pck); - vm->pixelclock = pck; + mode->clock = pck / 1000; } return 0; diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index 6cb708e1944e..7bce5898654a 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -544,29 +544,29 @@ static int venc_get_modes(struct omap_dss_device *dssdev, return ARRAY_SIZE(modes); } -static enum venc_videomode venc_get_videomode(const struct videomode *vm) +static enum venc_videomode venc_get_videomode(const struct drm_display_mode *mode) { - if (!(vm->flags & DISPLAY_FLAGS_INTERLACED)) + if (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) return VENC_MODE_UNKNOWN; - if (vm->pixelclock == omap_dss_pal_vm.pixelclock && - vm->hactive == omap_dss_pal_vm.hactive && - vm->vactive == omap_dss_pal_vm.vactive) + if (mode->clock == omap_dss_pal_vm.pixelclock / 1000 && + mode->hdisplay == omap_dss_pal_vm.hactive && + mode->vdisplay == omap_dss_pal_vm.vactive) return VENC_MODE_PAL; - if (vm->pixelclock == omap_dss_ntsc_vm.pixelclock && - vm->hactive == omap_dss_ntsc_vm.hactive && - vm->vactive == omap_dss_ntsc_vm.vactive) + if (mode->clock == omap_dss_ntsc_vm.pixelclock / 1000 && + mode->hdisplay == omap_dss_ntsc_vm.hactive && + mode->vdisplay == omap_dss_ntsc_vm.vactive) return VENC_MODE_NTSC; return VENC_MODE_UNKNOWN; } static void venc_set_timings(struct omap_dss_device *dssdev, - const struct videomode *vm) + const struct drm_display_mode *mode) { struct venc_device *venc = dssdev_to_venc(dssdev); - enum venc_videomode venc_mode = venc_get_videomode(vm); + enum venc_videomode venc_mode = venc_get_videomode(mode); DSSDBG("venc_set_timings\n"); @@ -591,17 +591,17 @@ static void venc_set_timings(struct omap_dss_device *dssdev, } static int venc_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + struct drm_display_mode *mode) { DSSDBG("venc_check_timings\n"); - switch (venc_get_videomode(vm)) { + switch (venc_get_videomode(mode)) { case VENC_MODE_PAL: - *vm = omap_dss_pal_vm; + drm_display_mode_from_videomode(&omap_dss_pal_vm, mode); return 0; case VENC_MODE_NTSC: - *vm = omap_dss_ntsc_vm; + drm_display_mode_from_videomode(&omap_dss_ntsc_vm, mode); return 0; default: diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 6fceb020e86c..9be33d9b8485 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -245,22 +245,19 @@ enum drm_mode_status omap_connector_mode_fixup(struct omap_dss_device *dssdev, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { - struct videomode vm = { 0 }; int ret; - drm_display_mode_to_videomode(mode, &vm); + drm_mode_copy(adjusted_mode, mode); for (; dssdev; dssdev = dssdev->next) { if (!dssdev->ops->check_timings) continue; - ret = dssdev->ops->check_timings(dssdev, &vm); + ret = dssdev->ops->check_timings(dssdev, adjusted_mode); if (ret) return MODE_BAD; } - drm_display_mode_from_videomode(&vm, adjusted_mode); - return MODE_OK; } diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 3a7cca01888e..367234de5dc7 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -134,7 +134,7 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { if (dssdev->ops->set_timings) - dssdev->ops->set_timings(dssdev, &vm); + dssdev->ops->set_timings(dssdev, adjusted_mode); } /* Set the HDMI mode and HDMI infoframe if applicable. */ -- cgit v1.2.3-70-g09d2 From 79107f274b2fc6bce13f687de33c8d0b70994558 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 23 Sep 2018 12:58:15 +0300 Subject: drm/omap: Add support for drm_bridge Hook up drm_bridge support in the omapdrm driver. Despite the recent extensive preparation work, this is a rather intrusive change, as the management of outputs needs to be adapted through the driver to handle both omap_dss_device and drm_bridge. Connector creation is skipped when using a drm_bridge, as the bridge creates the connector internally. This creates issues with systems that split connector operations (such as modes retrieval and hot-plug detection) across different bridges. These systems can't be supported using drm_bridge for now (their support through the omap_dss_device infrastructure is not affected), this will be fixed in subsequent changes. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/dss/base.c | 27 +++++++++++-- drivers/gpu/drm/omapdrm/dss/omapdss.h | 1 + drivers/gpu/drm/omapdrm/dss/output.c | 21 +++++++--- drivers/gpu/drm/omapdrm/omap_connector.c | 16 +++++--- drivers/gpu/drm/omapdrm/omap_connector.h | 1 - drivers/gpu/drm/omapdrm/omap_crtc.c | 2 +- drivers/gpu/drm/omapdrm/omap_drv.c | 69 +++++++++++++++++++++++--------- drivers/gpu/drm/omapdrm/omap_drv.h | 1 - drivers/gpu/drm/omapdrm/omap_encoder.c | 69 +++++++++++++++++++------------- 9 files changed, 145 insertions(+), 62 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c index 81ea0f55cd75..09c9f2971aa2 100644 --- a/drivers/gpu/drm/omapdrm/dss/base.c +++ b/drivers/gpu/drm/omapdrm/dss/base.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "dss.h" #include "omapdss.h" @@ -156,7 +157,7 @@ struct omap_dss_device *omapdss_device_next_output(struct omap_dss_device *from) goto done; } - if (dssdev->id && dssdev->next) + if (dssdev->id && (dssdev->next || dssdev->bridge)) goto done; } @@ -184,7 +185,18 @@ int omapdss_device_connect(struct dss_device *dss, { int ret; - dev_dbg(dst->dev, "connect\n"); + dev_dbg(&dss->pdev->dev, "connect(%s, %s)\n", + src ? dev_name(src->dev) : "NULL", + dst ? dev_name(dst->dev) : "NULL"); + + if (!dst) { + /* + * The destination is NULL when the source is connected to a + * bridge instead of a DSS device. Stop here, we will attach the + * bridge later when we will have a DRM encoder. + */ + return src && src->bridge ? 0 : -EINVAL; + } if (omapdss_device_is_connected(dst)) return -EBUSY; @@ -204,7 +216,16 @@ EXPORT_SYMBOL_GPL(omapdss_device_connect); void omapdss_device_disconnect(struct omap_dss_device *src, struct omap_dss_device *dst) { - dev_dbg(dst->dev, "disconnect\n"); + struct dss_device *dss = src ? src->dss : dst->dss; + + dev_dbg(&dss->pdev->dev, "disconnect(%s, %s)\n", + src ? dev_name(src->dev) : "NULL", + dst ? dev_name(dst->dev) : "NULL"); + + if (!dst) { + WARN_ON(!src->bridge); + return; + } if (!dst->id && !omapdss_device_is_connected(dst)) { WARN_ON(!dst->display); diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index ab5467a1e92c..f47e9b94288f 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -410,6 +410,7 @@ struct omap_dss_device { struct dss_device *dss; struct omap_dss_device *next; + struct drm_bridge *bridge; struct list_head list; diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c index f25ecfd26534..2a53025c2fde 100644 --- a/drivers/gpu/drm/omapdrm/dss/output.c +++ b/drivers/gpu/drm/omapdrm/dss/output.c @@ -20,25 +20,34 @@ #include #include #include +#include #include "dss.h" #include "omapdss.h" int omapdss_device_init_output(struct omap_dss_device *out) { - out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); - if (IS_ERR(out->next)) { - if (PTR_ERR(out->next) != -EPROBE_DEFER) - dev_err(out->dev, "failed to find video sink\n"); - return PTR_ERR(out->next); + struct device_node *remote_node; + + remote_node = of_graph_get_remote_node(out->dev->of_node, 0, 0); + if (!remote_node) { + dev_dbg(out->dev, "failed to find video sink\n"); + return 0; } + out->next = omapdss_find_device_by_node(remote_node); + out->bridge = of_drm_find_bridge(remote_node); + + of_node_put(remote_node); + if (out->next && out->type != out->next->type) { dev_err(out->dev, "output type and display type don't match\n"); + omapdss_device_put(out->next); + out->next = NULL; return -EINVAL; } - return 0; + return out->next || out->bridge ? 0 : -EPROBE_DEFER; } EXPORT_SYMBOL(omapdss_device_init_output); diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 9be33d9b8485..f711a267e2b6 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -299,9 +299,16 @@ static const struct drm_connector_helper_funcs omap_connector_helper_funcs = { .mode_valid = omap_connector_mode_valid, }; -static int omap_connector_get_type(struct omap_dss_device *display) +static int omap_connector_get_type(struct omap_dss_device *output) { - switch (display->type) { + struct omap_dss_device *display; + enum omap_display_type type; + + display = omapdss_display_get(output); + type = display->type; + omapdss_device_put(display); + + switch (type) { case OMAP_DISPLAY_TYPE_HDMI: return DRM_MODE_CONNECTOR_HDMIA; case OMAP_DISPLAY_TYPE_DVI: @@ -324,14 +331,13 @@ static int omap_connector_get_type(struct omap_dss_device *display) /* initialize connector */ struct drm_connector *omap_connector_init(struct drm_device *dev, struct omap_dss_device *output, - struct omap_dss_device *display, struct drm_encoder *encoder) { struct drm_connector *connector = NULL; struct omap_connector *omap_connector; struct omap_dss_device *dssdev; - DBG("%s", display->name); + DBG("%s", output->name); omap_connector = kzalloc(sizeof(*omap_connector), GFP_KERNEL); if (!omap_connector) @@ -344,7 +350,7 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, connector->doublescan_allowed = 0; drm_connector_init(dev, connector, &omap_connector_funcs, - omap_connector_get_type(display)); + omap_connector_get_type(output)); drm_connector_helper_add(connector, &omap_connector_helper_funcs); /* diff --git a/drivers/gpu/drm/omapdrm/omap_connector.h b/drivers/gpu/drm/omapdrm/omap_connector.h index 6b7d4d95e32b..608085219336 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.h +++ b/drivers/gpu/drm/omapdrm/omap_connector.h @@ -31,7 +31,6 @@ struct omap_dss_device; struct drm_connector *omap_connector_init(struct drm_device *dev, struct omap_dss_device *output, - struct omap_dss_device *display, struct drm_encoder *encoder); bool omap_connector_get_hdmi_mode(struct drm_connector *connector); void omap_connector_enable_hpd(struct drm_connector *connector); diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 1353aec73611..5a29bf01c0e8 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -666,7 +666,7 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, &omap_crtc_funcs, NULL); if (ret < 0) { dev_err(dev->dev, "%s(): could not init crtc for: %s\n", - __func__, pipe->display->name); + __func__, pipe->output->name); kfree(omap_crtc); return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 33f79c490011..f3a36f7b3c4d 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -140,9 +140,7 @@ static void omap_disconnect_pipelines(struct drm_device *ddev) omapdss_device_disconnect(NULL, pipe->output); omapdss_device_put(pipe->output); - omapdss_device_put(pipe->display); pipe->output = NULL; - pipe->display = NULL; } memset(&priv->channels, 0, sizeof(priv->channels)); @@ -169,7 +167,6 @@ static int omap_connect_pipelines(struct drm_device *ddev) pipe = &priv->pipes[priv->num_pipes++]; pipe->output = omapdss_device_get(output); - pipe->display = omapdss_display_get(output); if (priv->num_pipes == ARRAY_SIZE(priv->pipes)) { /* To balance the 'for_each_dss_output' loop */ @@ -207,6 +204,28 @@ static int omap_modeset_init_properties(struct drm_device *dev) return 0; } +static int omap_display_id(struct omap_dss_device *output) +{ + struct device_node *node = NULL; + + if (output->next) { + struct omap_dss_device *display; + + display = omapdss_display_get(output); + node = display->dev->of_node; + omapdss_device_put(display); + } else { + struct drm_bridge *bridge = output->bridge; + + while (bridge->next) + bridge = bridge->next; + + node = bridge->of_node; + } + + return node ? of_alias_get_id(node, "display") : -ENODEV; +} + static int omap_modeset_init(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; @@ -262,7 +281,10 @@ static int omap_modeset_init(struct drm_device *dev) priv->planes[priv->num_planes++] = plane; } - /* Create the encoders and get the pipelines aliases. */ + /* + * Create the encoders, attach the bridges and get the pipeline alias + * IDs. + */ for (i = 0; i < priv->num_pipes; i++) { struct omap_drm_pipeline *pipe = &priv->pipes[i]; int id; @@ -271,7 +293,14 @@ static int omap_modeset_init(struct drm_device *dev) if (!pipe->encoder) return -ENOMEM; - id = of_alias_get_id(pipe->display->dev->of_node, "display"); + if (pipe->output->bridge) { + ret = drm_bridge_attach(pipe->encoder, + pipe->output->bridge, NULL); + if (ret < 0) + return ret; + } + + id = omap_display_id(pipe->output); pipe->alias_id = id >= 0 ? id : i; } @@ -297,16 +326,16 @@ static int omap_modeset_init(struct drm_device *dev) for (i = 0; i < priv->num_pipes; i++) { struct omap_drm_pipeline *pipe = &priv->pipes[i]; struct drm_encoder *encoder = pipe->encoder; - struct drm_connector *connector; struct drm_crtc *crtc; - connector = omap_connector_init(dev, pipe->output, - pipe->display, encoder); - if (!connector) - return -ENOMEM; + if (!pipe->output->bridge) { + pipe->connector = omap_connector_init(dev, pipe->output, + encoder); + if (!pipe->connector) + return -ENOMEM; - drm_connector_attach_encoder(connector, encoder); - pipe->connector = connector; + drm_connector_attach_encoder(pipe->connector, encoder); + } crtc = omap_crtc_init(dev, pipe, priv->planes[i]); if (IS_ERR(crtc)) @@ -350,10 +379,12 @@ static int omap_modeset_init(struct drm_device *dev) static void omap_modeset_enable_external_hpd(struct drm_device *ddev) { struct omap_drm_private *priv = ddev->dev_private; - int i; + unsigned int i; - for (i = 0; i < priv->num_pipes; i++) - omap_connector_enable_hpd(priv->pipes[i].connector); + for (i = 0; i < priv->num_pipes; i++) { + if (priv->pipes[i].connector) + omap_connector_enable_hpd(priv->pipes[i].connector); + } } /* @@ -362,10 +393,12 @@ static void omap_modeset_enable_external_hpd(struct drm_device *ddev) static void omap_modeset_disable_external_hpd(struct drm_device *ddev) { struct omap_drm_private *priv = ddev->dev_private; - int i; + unsigned int i; - for (i = 0; i < priv->num_pipes; i++) - omap_connector_disable_hpd(priv->pipes[i].connector); + for (i = 0; i < priv->num_pipes; i++) { + if (priv->pipes[i].connector) + omap_connector_disable_hpd(priv->pipes[i].connector); + } } /* diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index ebff86595167..3cca45cb25f3 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -49,7 +49,6 @@ struct omap_drm_pipeline { struct drm_encoder *encoder; struct drm_connector *connector; struct omap_dss_device *output; - struct omap_dss_device *display; unsigned int alias_id; }; diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index b83a2ae64a03..9eb3db9ba23f 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -51,6 +51,34 @@ static const struct drm_encoder_funcs omap_encoder_funcs = { .destroy = omap_encoder_destroy, }; +static void omap_encoder_update_videomode_flags(struct videomode *vm, + u32 bus_flags) +{ + if (!(vm->flags & (DISPLAY_FLAGS_DE_LOW | + DISPLAY_FLAGS_DE_HIGH))) { + if (bus_flags & DRM_BUS_FLAG_DE_LOW) + vm->flags |= DISPLAY_FLAGS_DE_LOW; + else if (bus_flags & DRM_BUS_FLAG_DE_HIGH) + vm->flags |= DISPLAY_FLAGS_DE_HIGH; + } + + if (!(vm->flags & (DISPLAY_FLAGS_PIXDATA_POSEDGE | + DISPLAY_FLAGS_PIXDATA_NEGEDGE))) { + if (bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) + vm->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; + else if (bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) + vm->flags |= DISPLAY_FLAGS_PIXDATA_NEGEDGE; + } + + if (!(vm->flags & (DISPLAY_FLAGS_SYNC_POSEDGE | + DISPLAY_FLAGS_SYNC_NEGEDGE))) { + if (bus_flags & DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE) + vm->flags |= DISPLAY_FLAGS_SYNC_POSEDGE; + else if (bus_flags & DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE) + vm->flags |= DISPLAY_FLAGS_SYNC_NEGEDGE; + } +} + static void omap_encoder_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { @@ -87,7 +115,9 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); + struct omap_dss_device *output = omap_encoder->output; struct omap_dss_device *dssdev; + struct drm_bridge *bridge; struct videomode vm = { 0 }; drm_display_mode_to_videomode(adjusted_mode, &vm); @@ -101,44 +131,29 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, * * A better solution is to use DRM's bus-flags through the whole driver. */ - for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { - unsigned long bus_flags = dssdev->bus_flags; - - if (!(vm.flags & (DISPLAY_FLAGS_DE_LOW | - DISPLAY_FLAGS_DE_HIGH))) { - if (bus_flags & DRM_BUS_FLAG_DE_LOW) - vm.flags |= DISPLAY_FLAGS_DE_LOW; - else if (bus_flags & DRM_BUS_FLAG_DE_HIGH) - vm.flags |= DISPLAY_FLAGS_DE_HIGH; - } + for (dssdev = output; dssdev; dssdev = dssdev->next) + omap_encoder_update_videomode_flags(&vm, dssdev->bus_flags); - if (!(vm.flags & (DISPLAY_FLAGS_PIXDATA_POSEDGE | - DISPLAY_FLAGS_PIXDATA_NEGEDGE))) { - if (bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) - vm.flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; - else if (bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) - vm.flags |= DISPLAY_FLAGS_PIXDATA_NEGEDGE; - } + for (bridge = output->bridge; bridge; bridge = bridge->next) { + u32 bus_flags; - if (!(vm.flags & (DISPLAY_FLAGS_SYNC_POSEDGE | - DISPLAY_FLAGS_SYNC_NEGEDGE))) { - if (bus_flags & DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE) - vm.flags |= DISPLAY_FLAGS_SYNC_POSEDGE; - else if (bus_flags & DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE) - vm.flags |= DISPLAY_FLAGS_SYNC_NEGEDGE; - } + if (!bridge->timings) + continue; + + bus_flags = bridge->timings->input_bus_flags; + omap_encoder_update_videomode_flags(&vm, bus_flags); } /* Set timings for all devices in the display pipeline. */ - dss_mgr_set_timings(omap_encoder->output, &vm); + dss_mgr_set_timings(output, &vm); - for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { + for (dssdev = output; dssdev; dssdev = dssdev->next) { if (dssdev->ops->set_timings) dssdev->ops->set_timings(dssdev, adjusted_mode); } /* Set the HDMI mode and HDMI infoframe if applicable. */ - if (omap_encoder->output->type == OMAP_DISPLAY_TYPE_HDMI) + if (output->type == OMAP_DISPLAY_TYPE_HDMI) omap_encoder_hdmi_mode_set(encoder, adjusted_mode); } -- cgit v1.2.3-70-g09d2 From 30b71761957c541cd9dfd6cd10e3feb21a8ddca1 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 7 Dec 2018 23:08:35 +0200 Subject: drm/omap: Add support for drm_panel Hook up drm_panel support in the omapdrm driver. The change is relatively simply as the way has been paved by drm_bridge support already. In addition to looking up, attaching to and detaching from the panel, we only need to add panel support in the connector .get_modes() handler, take connector bus flags (set by the panel) into account, and enable/disable the panel in the encoder enable/disable operations handlers. Signed-off-by: Laurent Pinchart Reviewed-by: Sebastian Reichel Tested-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/dss/base.c | 12 ++++++---- drivers/gpu/drm/omapdrm/dss/omapdss.h | 1 + drivers/gpu/drm/omapdrm/dss/output.c | 7 +++++- drivers/gpu/drm/omapdrm/omap_connector.c | 9 +++++++ drivers/gpu/drm/omapdrm/omap_drv.c | 15 +++++++++++- drivers/gpu/drm/omapdrm/omap_encoder.c | 41 ++++++++++++++++++++++---------- 6 files changed, 65 insertions(+), 20 deletions(-) (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c') diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c index 09c9f2971aa2..3c088cd2ceab 100644 --- a/drivers/gpu/drm/omapdrm/dss/base.c +++ b/drivers/gpu/drm/omapdrm/dss/base.c @@ -157,7 +157,8 @@ struct omap_dss_device *omapdss_device_next_output(struct omap_dss_device *from) goto done; } - if (dssdev->id && (dssdev->next || dssdev->bridge)) + if (dssdev->id && + (dssdev->next || dssdev->bridge || dssdev->panel)) goto done; } @@ -192,10 +193,11 @@ int omapdss_device_connect(struct dss_device *dss, if (!dst) { /* * The destination is NULL when the source is connected to a - * bridge instead of a DSS device. Stop here, we will attach the - * bridge later when we will have a DRM encoder. + * bridge or panel instead of a DSS device. Stop here, we will + * attach the bridge or panel later when we will have a DRM + * encoder. */ - return src && src->bridge ? 0 : -EINVAL; + return src && (src->bridge || src->panel) ? 0 : -EINVAL; } if (omapdss_device_is_connected(dst)) @@ -223,7 +225,7 @@ void omapdss_device_disconnect(struct omap_dss_device *src, dst ? dev_name(dst->dev) : "NULL"); if (!dst) { - WARN_ON(!src->bridge); + WARN_ON(!src->bridge && !src->panel); return; } diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index f47e9b94288f..0c734d1f89e1 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -411,6 +411,7 @@ struct omap_dss_device { struct dss_device *dss; struct omap_dss_device *next; struct drm_bridge *bridge; + struct drm_panel *panel; struct list_head list; diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c index 2a53025c2fde..10a9ee5cdc61 100644 --- a/drivers/gpu/drm/omapdrm/dss/output.c +++ b/drivers/gpu/drm/omapdrm/dss/output.c @@ -22,6 +22,8 @@ #include #include +#include + #include "dss.h" #include "omapdss.h" @@ -37,6 +39,9 @@ int omapdss_device_init_output(struct omap_dss_device *out) out->next = omapdss_find_device_by_node(remote_node); out->bridge = of_drm_find_bridge(remote_node); + out->panel = of_drm_find_panel(remote_node); + if (IS_ERR(out->panel)) + out->panel = NULL; of_node_put(remote_node); @@ -47,7 +52,7 @@ int omapdss_device_init_output(struct omap_dss_device *out) return -EINVAL; } - return out->next || out->bridge ? 0 : -EPROBE_DEFER; + return out->next || out->bridge || out->panel ? 0 : -EPROBE_DEFER; } EXPORT_SYMBOL(omapdss_device_init_output); diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index f711a267e2b6..5967283934e1 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -17,6 +17,7 @@ #include #include +#include #include #include "omap_drv.h" @@ -211,6 +212,7 @@ no_edid: static int omap_connector_get_modes(struct drm_connector *connector) { + struct omap_connector *omap_connector = to_omap_connector(connector); struct omap_dss_device *dssdev; DBG("%s", connector->name); @@ -233,6 +235,13 @@ static int omap_connector_get_modes(struct drm_connector *connector) if (dssdev) return dssdev->ops->get_modes(dssdev, connector); + /* + * Otherwise if the display pipeline uses a drm_panel, we delegate the + * operation to the panel API. + */ + if (omap_connector->output->panel) + return drm_panel_get_modes(omap_connector->output->panel); + /* * We can't retrieve modes, which can happen for instance for a DVI or * VGA output with the DDC bus unconnected. The KMS core will add the diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index f3a36f7b3c4d..1b9b6f5e48e1 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -23,6 +23,7 @@ #include #include #include +#include #include "omap_dmm_tiler.h" #include "omap_drv.h" @@ -137,6 +138,9 @@ static void omap_disconnect_pipelines(struct drm_device *ddev) for (i = 0; i < priv->num_pipes; i++) { struct omap_drm_pipeline *pipe = &priv->pipes[i]; + if (pipe->output->panel) + drm_panel_detach(pipe->output->panel); + omapdss_device_disconnect(NULL, pipe->output); omapdss_device_put(pipe->output); @@ -214,13 +218,15 @@ static int omap_display_id(struct omap_dss_device *output) display = omapdss_display_get(output); node = display->dev->of_node; omapdss_device_put(display); - } else { + } else if (output->bridge) { struct drm_bridge *bridge = output->bridge; while (bridge->next) bridge = bridge->next; node = bridge->of_node; + } else if (output->panel) { + node = output->panel->dev->of_node; } return node ? of_alias_get_id(node, "display") : -ENODEV; @@ -335,6 +341,13 @@ static int omap_modeset_init(struct drm_device *dev) return -ENOMEM; drm_connector_attach_encoder(pipe->connector, encoder); + + if (pipe->output->panel) { + ret = drm_panel_attach(pipe->output->panel, + pipe->connector); + if (ret < 0) + return ret; + } } crtc = omap_crtc_init(dev, pipe, priv->planes[i]); diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 9eb3db9ba23f..40512419642b 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "omap_drv.h" @@ -79,22 +80,15 @@ static void omap_encoder_update_videomode_flags(struct videomode *vm, } } -static void omap_encoder_hdmi_mode_set(struct drm_encoder *encoder, +static void omap_encoder_hdmi_mode_set(struct drm_connector *connector, + struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { - struct drm_device *dev = encoder->dev; struct omap_encoder *omap_encoder = to_omap_encoder(encoder); struct omap_dss_device *dssdev = omap_encoder->output; - struct drm_connector *connector; bool hdmi_mode; - hdmi_mode = false; - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - hdmi_mode = omap_connector_get_hdmi_mode(connector); - break; - } - } + hdmi_mode = omap_connector_get_hdmi_mode(connector); if (dssdev->ops->hdmi.set_hdmi_mode) dssdev->ops->hdmi.set_hdmi_mode(dssdev, hdmi_mode); @@ -117,8 +111,16 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, struct omap_encoder *omap_encoder = to_omap_encoder(encoder); struct omap_dss_device *output = omap_encoder->output; struct omap_dss_device *dssdev; + struct drm_device *dev = encoder->dev; + struct drm_connector *connector; struct drm_bridge *bridge; struct videomode vm = { 0 }; + u32 bus_flags; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (connector->encoder == encoder) + break; + } drm_display_mode_to_videomode(adjusted_mode, &vm); @@ -135,8 +137,6 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, omap_encoder_update_videomode_flags(&vm, dssdev->bus_flags); for (bridge = output->bridge; bridge; bridge = bridge->next) { - u32 bus_flags; - if (!bridge->timings) continue; @@ -144,6 +144,9 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, omap_encoder_update_videomode_flags(&vm, bus_flags); } + bus_flags = connector->display_info.bus_flags; + omap_encoder_update_videomode_flags(&vm, bus_flags); + /* Set timings for all devices in the display pipeline. */ dss_mgr_set_timings(output, &vm); @@ -154,7 +157,7 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, /* Set the HDMI mode and HDMI infoframe if applicable. */ if (output->type == OMAP_DISPLAY_TYPE_HDMI) - omap_encoder_hdmi_mode_set(encoder, adjusted_mode); + omap_encoder_hdmi_mode_set(connector, encoder, adjusted_mode); } static void omap_encoder_disable(struct drm_encoder *encoder) @@ -165,6 +168,12 @@ static void omap_encoder_disable(struct drm_encoder *encoder) dev_dbg(dev->dev, "disable(%s)\n", dssdev->name); + /* Disable the panel if present. */ + if (dssdev->panel) { + drm_panel_disable(dssdev->panel); + drm_panel_unprepare(dssdev->panel); + } + /* * Disable the chain of external devices, starting at the one at the * internal encoder's output. @@ -214,6 +223,12 @@ static void omap_encoder_enable(struct drm_encoder *encoder) * internal encoder's output. */ omapdss_device_enable(dssdev->next); + + /* Enable the panel if present. */ + if (dssdev->panel) { + drm_panel_prepare(dssdev->panel); + drm_panel_enable(dssdev->panel); + } } static int omap_encoder_atomic_check(struct drm_encoder *encoder, -- cgit v1.2.3-70-g09d2