Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-28 13:51:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

omapdrm: omapdss_hdmi_ops: add lost_hotplug op

Browse Source 
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>
This commit is contained in:
Hans Verkuil 2017-08-17 15:19:57 +02:00 committed by Tomi Valkeinen
parent 1897e1a394
commit 019114efd9
4 changed files with 18 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
View File

@ -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,

6
drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
View File

@ -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,

8
drivers/gpu/drm/omapdrm/dss/hdmi4.c
View File

@ -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,
};

1
drivers/gpu/drm/omapdrm/dss/omapdss.h
View File

@ -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,