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sna: Force a reprobe for the specified hotplug connector 

If the kernel can provide us with the exact connector that needs
reprobing following a hotplug event, use it.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-10-21 09:46:23 +01:00
parent a43455d4a3
commit 6a2e5bca42
3 changed files with 30 additions and 3 deletions
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1
src/sna/sna.h
View File

@ -470,6 +470,7 @@ extern void sna_shadow_unset_crtc(struct sna *sna, xf86CrtcPtr crtc);
extern bool sna_pixmap_discard_shadow_damage(struct sna_pixmap *priv,
const RegionRec *region);
extern void sna_mode_set_primary(struct sna *sna);
extern bool sna_mode_find_hotplug_connector(struct sna *sna, unsigned id);
extern void sna_mode_close(struct sna *sna);
extern void sna_mode_fini(struct sna *sna);

23
src/sna/sna_display.c
View File

@ -273,6 +273,7 @@ struct sna_output {
uint32_t last_detect;
uint32_t status;
bool update_properties;
bool reprobe;
int num_modes;
struct drm_mode_modeinfo *modes;
@ -3548,6 +3549,7 @@ sna_output_detect(xf86OutputPtr output)
DBG(("%s(%s): found %d modes, connection status=%d\n",
__FUNCTION__, output->name, sna_output->num_modes, compat_conn.conn.connection));
sna_output->reprobe = false;
sna_output->last_detect = now;
switch (compat_conn.conn.connection) {
case DRM_MODE_CONNECTED:
@ -5147,6 +5149,22 @@ static bool disable_unused_crtc(struct sna *sna)
return update;
}
bool sna_mode_find_hotplug_connector(struct sna *sna, unsigned id)
{
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn);
int i;
for (i = 0; i < sna->mode.num_real_output; i++) {
struct sna_output *output = to_sna_output(config->output[i]);
if (output->id == id) {
output->reprobe = true;
return true;
}
}
return false;
}
static bool
output_check_status(struct sna *sna, struct sna_output *output)
{
@ -5156,6 +5174,9 @@ output_check_status(struct sna *sna, struct sna_output *output)
xf86OutputStatus status;
char *edid;
if (output->reprobe)
return false;
VG_CLEAR(compat_conn);
compat_conn.conn.connection = -1;
@ -5237,7 +5258,7 @@ void sna_mode_discover(struct sna *sna, bool tell)
res.count_connectors, sna->mode.num_real_output,
res.count_encoders, res.count_crtcs));
if (res.count_connectors > 32)
return;
res.count_connectors = 32;
assert(sna->mode.num_real_crtc == res.count_crtcs || is_zaphod(sna->scrn));
assert(sna->mode.max_crtc_width == res.max_width);

9
src/sna/sna_driver.c
View File

@ -796,8 +796,13 @@ sna_handle_uevents(int fd, void *closure)
const char *str;
str = udev_device_get_property_value(dev, "HOTPLUG");
if (str && atoi(str) == 1)
hotplug = true;
if (str && atoi(str) == 1) {
str = udev_device_get_property_value(dev, "CONNECTOR");
if (str)
hotplug |= sna_mode_find_hotplug_connector(sna, atoi(str));
else
hotplug = true;
}
}
udev_device_unref(dev);