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drm/radeon: restructure edid fetching 

Split radeon_ddc_get_modes() and move it into
radeon_connectors.c since that is the only place
that uses it.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2014-07-15 10:38:10 -04:00
parent 88fd4789cd
commit 72a5c970a5
3 changed files with 110 additions and 111 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

162
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@ -262,6 +262,79 @@ static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector,
return NULL;
}
static void radeon_connector_get_edid(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (radeon_connector->edid)
return;
/* on hw with routers, select right port */
if (radeon_connector->router.ddc_valid)
radeon_router_select_ddc_port(radeon_connector);
if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
ENCODER_OBJECT_ID_NONE) &&
radeon_connector->ddc_bus->has_aux) {
radeon_connector->edid = drm_get_edid(connector,
&radeon_connector->ddc_bus->aux.ddc);
} else if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
(connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
radeon_connector->ddc_bus->has_aux)
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->aux.ddc);
else if (radeon_connector->ddc_bus)
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->adapter);
} else if (radeon_connector->ddc_bus) {
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->adapter);
}
if (!radeon_connector->edid) {
if (rdev->is_atom_bios) {
/* some laptops provide a hardcoded edid in rom for LCDs */
if (((connector->connector_type == DRM_MODE_CONNECTOR_LVDS) ||
(connector->connector_type == DRM_MODE_CONNECTOR_eDP)))
radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
} else {
/* some servers provide a hardcoded edid in rom for KVMs */
radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
}
}
}
static void radeon_connector_free_edid(struct drm_connector *connector)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (radeon_connector->edid) {
kfree(radeon_connector->edid);
radeon_connector->edid = NULL;
}
}
static int radeon_ddc_get_modes(struct drm_connector *connector)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
int ret;
if (radeon_connector->edid) {
drm_mode_connector_update_edid_property(connector, radeon_connector->edid);
ret = drm_add_edid_modes(connector, radeon_connector->edid);
drm_edid_to_eld(connector, radeon_connector->edid);
return ret;
}
drm_mode_connector_update_edid_property(connector, NULL);
return 0;
}
static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
{
int enc_id = connector->encoder_ids[0];
@ -661,22 +734,20 @@ static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
static int radeon_lvds_get_modes(struct drm_connector *connector)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder;
int ret = 0;
struct drm_display_mode *mode;
if (radeon_connector->ddc_bus) {
ret = radeon_ddc_get_modes(radeon_connector);
if (ret > 0) {
encoder = radeon_best_single_encoder(connector);
if (encoder) {
radeon_fixup_lvds_native_mode(encoder, connector);
/* add scaled modes */
radeon_add_common_modes(encoder, connector);
}
return ret;
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector);
if (ret > 0) {
encoder = radeon_best_single_encoder(connector);
if (encoder) {
radeon_fixup_lvds_native_mode(encoder, connector);
/* add scaled modes */
radeon_add_common_modes(encoder, connector);
}
return ret;
}
encoder = radeon_best_single_encoder(connector);
@ -751,16 +822,9 @@ radeon_lvds_detect(struct drm_connector *connector, bool force)
}
/* check for edid as well */
radeon_connector_get_edid(connector);
if (radeon_connector->edid)
ret = connector_status_connected;
else {
if (radeon_connector->ddc_bus) {
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->adapter);
if (radeon_connector->edid)
ret = connector_status_connected;
}
}
/* check acpi lid status ??? */
radeon_connector_update_scratch_regs(connector, ret);
@ -773,8 +837,7 @@ static void radeon_connector_destroy(struct drm_connector *connector)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (radeon_connector->edid)
kfree(radeon_connector->edid);
radeon_connector_free_edid(connector);
kfree(radeon_connector->con_priv);
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
@ -833,10 +896,10 @@ static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
static int radeon_vga_get_modes(struct drm_connector *connector)
{
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
int ret;
ret = radeon_ddc_get_modes(radeon_connector);
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector);
radeon_get_native_mode(connector);
@ -881,28 +944,26 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
dret = radeon_ddc_probe(radeon_connector, false);
if (dret) {
radeon_connector->detected_by_load = false;
if (radeon_connector->edid) {
kfree(radeon_connector->edid);
radeon_connector->edid = NULL;
}
radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
radeon_connector_free_edid(connector);
radeon_connector_get_edid(connector);
if (!radeon_connector->edid) {
DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
connector->name);
ret = connector_status_connected;
} else {
radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
radeon_connector->use_digital =
!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
/* some oems have boards with separate digital and analog connectors
* with a shared ddc line (often vga + hdmi)
*/
if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
kfree(radeon_connector->edid);
radeon_connector->edid = NULL;
radeon_connector_free_edid(connector);
ret = connector_status_disconnected;
} else
} else {
ret = connector_status_connected;
}
}
} else {
@ -1094,18 +1155,16 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
dret = radeon_ddc_probe(radeon_connector, false);
if (dret) {
radeon_connector->detected_by_load = false;
if (radeon_connector->edid) {
kfree(radeon_connector->edid);
radeon_connector->edid = NULL;
}
radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
radeon_connector_free_edid(connector);
radeon_connector_get_edid(connector);
if (!radeon_connector->edid) {
DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
connector->name);
/* rs690 seems to have a problem with connectors not existing and always
* return a block of 0's. If we see this just stop polling on this output */
if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) &&
radeon_connector->base.null_edid_counter) {
ret = connector_status_disconnected;
DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",
connector->name);
@ -1115,18 +1174,18 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
broken_edid = true; /* defer use_digital to later */
}
} else {
radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
radeon_connector->use_digital =
!!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
/* some oems have boards with separate digital and analog connectors
* with a shared ddc line (often vga + hdmi)
*/
if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
kfree(radeon_connector->edid);
radeon_connector->edid = NULL;
radeon_connector_free_edid(connector);
ret = connector_status_disconnected;
} else
} else {
ret = connector_status_connected;
}
/* This gets complicated. We have boards with VGA + HDMI with a
* shared DDC line and we have boards with DVI-D + HDMI with a shared
* DDC line. The latter is more complex because with DVI<->HDMI adapters
@ -1146,8 +1205,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
/* hpd is our only option in this case */
if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
kfree(radeon_connector->edid);
radeon_connector->edid = NULL;
radeon_connector_free_edid(connector);
ret = connector_status_disconnected;
}
}
@ -1356,7 +1414,8 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
if (!radeon_dig_connector->edp_on)
atombios_set_edp_panel_power(connector,
ATOM_TRANSMITTER_ACTION_POWER_ON);
ret = radeon_ddc_get_modes(radeon_connector);
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector);
if (!radeon_dig_connector->edp_on)
atombios_set_edp_panel_power(connector,
ATOM_TRANSMITTER_ACTION_POWER_OFF);
@ -1367,7 +1426,8 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
if (encoder)
radeon_atom_ext_encoder_setup_ddc(encoder);
}
ret = radeon_ddc_get_modes(radeon_connector);
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector);
}
if (ret > 0) {
@ -1400,7 +1460,8 @@ static int radeon_dp_get_modes(struct drm_connector *connector)
if (encoder)
radeon_atom_ext_encoder_setup_ddc(encoder);
}
ret = radeon_ddc_get_modes(radeon_connector);
radeon_connector_get_edid(connector);
ret = radeon_ddc_get_modes(connector);
radeon_get_native_mode(connector);
}
@ -1493,10 +1554,7 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
goto out;
}
if (radeon_connector->edid) {
kfree(radeon_connector->edid);
radeon_connector->edid = NULL;
}
radeon_connector_free_edid(connector);
if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
(connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {

58
drivers/gpu/drm/radeon/radeon_display.c
View File

@ -823,64 +823,6 @@ static bool radeon_setup_enc_conn(struct drm_device *dev)
return ret;
}
int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
{
struct drm_device *dev = radeon_connector->base.dev;
struct radeon_device *rdev = dev->dev_private;
int ret = 0;
/* don't leak the edid if we already fetched it in detect() */
if (radeon_connector->edid)
goto got_edid;
/* on hw with routers, select right port */
if (radeon_connector->router.ddc_valid)
radeon_router_select_ddc_port(radeon_connector);
if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) !=
ENCODER_OBJECT_ID_NONE) {
if (radeon_connector->ddc_bus->has_aux)
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->aux.ddc);
} else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
(radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) &&
radeon_connector->ddc_bus->has_aux)
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->aux.ddc);
else if (radeon_connector->ddc_bus && !radeon_connector->edid)
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->adapter);
} else {
if (radeon_connector->ddc_bus && !radeon_connector->edid)
radeon_connector->edid = drm_get_edid(&radeon_connector->base,
&radeon_connector->ddc_bus->adapter);
}
if (!radeon_connector->edid) {
if (rdev->is_atom_bios) {
/* some laptops provide a hardcoded edid in rom for LCDs */
if (((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_LVDS) ||
(radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)))
radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
} else
/* some servers provide a hardcoded edid in rom for KVMs */
radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
}
if (radeon_connector->edid) {
got_edid:
drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);
drm_edid_to_eld(&radeon_connector->base, radeon_connector->edid);
return ret;
}
drm_mode_connector_update_edid_property(&radeon_connector->base, NULL);
return 0;
}
/* avivo */
/**

1
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -738,7 +738,6 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);