diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2017-08-17 15:19:57 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2017-10-12 10:49:14 +0300 |
| commit | 019114efd9bb21594c36a5fbdab34a004dfb0a79 (patch) | |
| tree | 59a72da60253bb5674216a7e77d2be08fe7d96e5 /drivers/gpu/drm/omapdrm | |
| parent | 1897e1a394c3a54a86dd46656e96d58e135033db (diff) | |
omapdrm: omapdss_hdmi_ops: add lost_hotplug op
The CEC framework needs to know when the hotplug detect signal
disappears, since that means the CEC physical address has to be
invalidated (i.e. set to f.f.f.f).
Add a lost_hotplug op that is called when the HPD signal goes away.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/displays/connector-hdmi.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi4.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/omapdss.h | 1 |
4 files changed, 18 insertions, 5 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c index d9d25df6fc1b..4600d3841c25 100644 --- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c +++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c @@ -165,11 +165,15 @@ static bool hdmic_detect(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); struct omap_dss_device *in = ddata->in; + bool connected; if (gpio_is_valid(ddata->hpd_gpio)) - return gpio_get_value_cansleep(ddata->hpd_gpio); + connected = gpio_get_value_cansleep(ddata->hpd_gpio); else - return in->ops.hdmi->detect(in); + connected = in->ops.hdmi->detect(in); + if (!connected && in->ops.hdmi->lost_hotplug) + in->ops.hdmi->lost_hotplug(in); + return connected; } static int hdmic_register_hpd_cb(struct omap_dss_device *dssdev, diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c index 293b8fd07cfc..e3d98d78fc40 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c @@ -159,8 +159,12 @@ static int tpd_read_edid(struct omap_dss_device *dssdev, static bool tpd_detect(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); + struct omap_dss_device *in = ddata->in; + bool connected = gpiod_get_value_cansleep(ddata->hpd_gpio); - return gpiod_get_value_cansleep(ddata->hpd_gpio); + if (!connected && in->ops.hdmi->lost_hotplug) + in->ops.hdmi->lost_hotplug(in); + return connected; } static int tpd_register_hpd_cb(struct omap_dss_device *dssdev, diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index 2bfbd6745850..a598dfdeb585 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -401,8 +401,6 @@ static void hdmi_display_disable(struct omap_dss_device *dssdev) DSSDBG("Enter hdmi_display_disable\n"); - hdmi4_cec_set_phys_addr(&hdmi.core, CEC_PHYS_ADDR_INVALID); - mutex_lock(&hdmi.lock); spin_lock_irqsave(&hdmi.audio_playing_lock, flags); @@ -514,6 +512,11 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev, return r; } +static void hdmi_lost_hotplug(struct omap_dss_device *dssdev) +{ + hdmi4_cec_set_phys_addr(&hdmi.core, CEC_PHYS_ADDR_INVALID); +} + static int hdmi_set_infoframe(struct omap_dss_device *dssdev, const struct hdmi_avi_infoframe *avi) { @@ -540,6 +543,7 @@ static const struct omapdss_hdmi_ops hdmi_ops = { .get_timings = hdmi_display_get_timings, .read_edid = hdmi_read_edid, + .lost_hotplug = hdmi_lost_hotplug, .set_infoframe = hdmi_set_infoframe, .set_hdmi_mode = hdmi_set_hdmi_mode, }; diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 47a331670963..990422b35784 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -395,6 +395,7 @@ struct omapdss_hdmi_ops { struct videomode *vm); int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); + void (*lost_hotplug)(struct omap_dss_device *dssdev); bool (*detect)(struct omap_dss_device *dssdev); int (*register_hpd_cb)(struct omap_dss_device *dssdev, |