It only needs to be called once at startup, not for every
modeset.
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
drivers/gpu/drm/radeon/radeon_device.c | 3 +
drivers/gpu/drm/radeon/radeon_display.c | 5 ++
drivers/gpu/drm/radeon/radeon_encoders.c | 68 ++++++++++++++++++++++++++----
drivers/gpu/drm/radeon/radeon_mode.h | 1 +
4 files changed, 68 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c
b/drivers/gpu/drm/radeon/radeon_device.c
index 890217e..5b61364 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -923,6 +923,9 @@ int radeon_resume_kms(struct drm_device *dev)
radeon_fbdev_set_suspend(rdev, 0);
console_unlock();
+ /* init dig PHYs */
+ if (rdev->is_atom_bios)
+ radeon_atom_encoder_init(rdev);
/* reset hpd state */
radeon_hpd_init(rdev);
/* blat the mode back in */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c
b/drivers/gpu/drm/radeon/radeon_display.c
index bdbab5c..a55fe96 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1344,6 +1344,11 @@ int radeon_modeset_init(struct radeon_device *rdev)
if (!ret) {
return ret;
}
+
+ /* init dig PHYs */
+ if (rdev->is_atom_bios)
+ radeon_atom_encoder_init(rdev);
+
/* initialize hpd */
radeon_hpd_init(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c
b/drivers/gpu/drm/radeon/radeon_encoders.c
index 73efb4e..1b55755 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -229,6 +229,22 @@ radeon_get_connector_for_encoder(struct drm_encoder
*encoder)
return NULL;
}
+static struct drm_connector *
+radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ radeon_connector = to_radeon_connector(connector);
+ if (radeon_encoder->devices & radeon_connector->devices)
+ return connector;
+ }
+ return NULL;
+}
+
struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder
*encoder)
{
struct drm_device *dev = encoder->dev;
@@ -928,7 +944,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder,
int action, uint8_t
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
- struct drm_connector *connector =
radeon_get_connector_for_encoder(encoder);
+ struct drm_connector *connector;
union dig_transmitter_control args;
int index = 0;
uint8_t frev, crev;
@@ -939,6 +955,11 @@ atombios_dig_transmitter_setup(struct drm_encoder
*encoder, int action, uint8_t
int connector_object_id = 0;
int igp_lane_info = 0;
+ if (action == ATOM_TRANSMITTER_ACTION_INIT)
+ connector = radeon_get_connector_for_encoder_init(encoder);
+ else
+ connector = radeon_get_connector_for_encoder(encoder);
+
if (connector) {
struct radeon_connector *radeon_connector =
to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
@@ -1180,7 +1201,7 @@ atombios_external_encoder_setup(struct drm_encoder
*encoder,
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder *ext_radeon_encoder =
to_radeon_encoder(ext_encoder);
union external_encoder_control args;
- struct drm_connector *connector =
radeon_get_connector_for_encoder(encoder);
+ struct drm_connector *connector;
int index = GetIndexIntoMasterTable(COMMAND, ExternalEncoderControl);
u8 frev, crev;
int dp_clock = 0;
@@ -1189,6 +1210,11 @@ atombios_external_encoder_setup(struct drm_encoder
*encoder,
u32 ext_enum = (ext_radeon_encoder->encoder_enum & ENUM_ID_MASK) >>
ENUM_ID_SHIFT;
int bpc = 8;
+ if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
+ connector = radeon_get_connector_for_encoder_init(encoder);
+ else
+ connector = radeon_get_connector_for_encoder(encoder);
+
if (connector) {
struct radeon_connector *radeon_connector =
to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
@@ -1771,6 +1797,34 @@ static int radeon_atom_pick_dig_encoder(struct
drm_encoder *encoder)
return 1;
}
+/* This only needs to be called once at startup */
+void
+radeon_atom_encoder_init(struct radeon_device *rdev)
+{
+ struct drm_device *dev = rdev->ddev;
+ struct drm_encoder *encoder;
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ struct radeon_encoder *radeon_encoder =
to_radeon_encoder(encoder);
+ struct drm_encoder *ext_encoder =
radeon_atom_get_external_encoder(encoder);
+
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+ atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+ break;
+ default:
+ break;
+ }
+
+ if (ext_encoder && ASIC_IS_DCE41(rdev))
+ atombios_external_encoder_setup(encoder, ext_encoder,
+
EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
+ }
+}
+
static void
radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
@@ -1807,8 +1861,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
/* setup and enable the encoder */
atombios_dig_encoder_setup(encoder,
ATOM_ENCODER_CMD_SETUP, 0);
- /* init and enable the transmitter */
- atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+ /* enable the transmitter */
atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
} else {
/* disable the encoder and transmitter */
@@ -1817,7 +1870,6 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
/* setup and enable the encoder and transmitter */
atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
- atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
}
@@ -1842,12 +1894,10 @@ radeon_atom_encoder_mode_set(struct drm_encoder
*encoder,
}
if (ext_encoder) {
- if (ASIC_IS_DCE41(rdev)) {
- atombios_external_encoder_setup(encoder, ext_encoder,
-
EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
+ if (ASIC_IS_DCE41(rdev))
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
- } else
+ else
atombios_external_encoder_setup(encoder, ext_encoder,
ATOM_ENABLE);
}
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h
b/drivers/gpu/drm/radeon/radeon_mode.h
index 88257bc..977a341 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -479,6 +479,7 @@ extern void radeon_dp_link_train(struct drm_encoder
*encoder,
extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int
action, int panel_mode);
+extern void radeon_atom_encoder_init(struct radeon_device *rdev);
extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
int action, uint8_t lane_num,
uint8_t lane_set);
--
1.7.1.1
