* [PATCH 2/4] drm/radeon/dp: move sink power control to a separate function
2014-03-18 3:48 [PATCH 1/4] drm/radeon/dp: use i2c_get_adapdata rather than casting Alex Deucher
@ 2014-03-18 3:48 ` Alex Deucher
2014-03-18 3:48 ` [PATCH 3/4] drm/radeon/atom: rework encoder enable/disable sequence Alex Deucher
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Alex Deucher @ 2014-03-18 3:48 UTC (permalink / raw)
To: dri-devel, christian.koenig; +Cc: Alex Deucher
This will be used elsewhere.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/radeon/atombios_dp.c | 26 +++++++++++++++++++++-----
drivers/gpu/drm/radeon/radeon_mode.h | 2 ++
2 files changed, 23 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index c79ba8a..88d399c 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -603,6 +603,26 @@ bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector)
return true;
}
+void radeon_dp_set_rx_power_state(struct drm_connector *connector,
+ u8 power_state)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct radeon_connector_atom_dig *dig_connector;
+
+ if (!radeon_connector->con_priv)
+ return;
+
+ dig_connector = radeon_connector->con_priv;
+
+ /* power up/down the sink */
+ if (dig_connector->dpcd[0] >= 0x11) {
+ radeon_write_dpcd_reg(radeon_connector,
+ DP_SET_POWER, power_state);
+ usleep_range(1000, 2000);
+ }
+}
+
+
struct radeon_dp_link_train_info {
struct radeon_device *rdev;
struct drm_encoder *encoder;
@@ -673,11 +693,7 @@ static int radeon_dp_link_train_init(struct radeon_dp_link_train_info *dp_info)
u8 tmp;
/* power up the sink */
- if (dp_info->dpcd[0] >= 0x11) {
- radeon_write_dpcd_reg(dp_info->radeon_connector,
- DP_SET_POWER, DP_SET_POWER_D0);
- usleep_range(1000, 2000);
- }
+ radeon_dp_set_rx_power_state(dp_info->connector, DP_SET_POWER_D0);
/* possibly enable downspread on the sink */
if (dp_info->dpcd[3] & 0x1)
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 402dbe32..e390f55 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -690,6 +690,8 @@ extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
struct drm_connector *connector);
+extern void radeon_dp_set_rx_power_state(struct drm_connector *connector,
+ u8 power_state);
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 radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
--
1.8.3.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH 3/4] drm/radeon/atom: rework encoder enable/disable sequence
2014-03-18 3:48 [PATCH 1/4] drm/radeon/dp: use i2c_get_adapdata rather than casting Alex Deucher
2014-03-18 3:48 ` [PATCH 2/4] drm/radeon/dp: move sink power control to a separate function Alex Deucher
@ 2014-03-18 3:48 ` Alex Deucher
2014-03-18 3:48 ` [PATCH 4/4] drm/radeon: clarify special handling in i2c over aux Alex Deucher
2014-03-18 16:09 ` [PATCH 1/4] drm/radeon/dp: use i2c_get_adapdata rather than casting Christian König
3 siblings, 0 replies; 5+ messages in thread
From: Alex Deucher @ 2014-03-18 3:48 UTC (permalink / raw)
To: dri-devel, christian.koenig; +Cc: Alex Deucher
This more closely matches what the vbios does and also
adds a quirk for travis lvds displays and powers down
the sink on DP displays which saves some power and may
fix display issues in some cases.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/radeon/atombios_encoders.c | 82 +++++++++++++-----------------
1 file changed, 34 insertions(+), 48 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 607dc14..e6eb509 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1633,10 +1633,16 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
struct radeon_connector *radeon_connector = NULL;
struct radeon_connector_atom_dig *radeon_dig_connector = NULL;
+ bool travis_quirk = false;
if (connector) {
radeon_connector = to_radeon_connector(connector);
radeon_dig_connector = radeon_connector->con_priv;
+ if ((radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
+ ENCODER_OBJECT_ID_TRAVIS) &&
+ (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
+ !ASIC_IS_DCE5(rdev))
+ travis_quirk = true;
}
switch (mode) {
@@ -1657,17 +1663,13 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
}
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
} else if (ASIC_IS_DCE4(rdev)) {
/* setup and enable the encoder */
atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
- /* enable the transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
} else {
/* setup and enable the encoder and transmitter */
atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
}
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
@@ -1675,68 +1677,56 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
ATOM_TRANSMITTER_ACTION_POWER_ON);
radeon_dig_connector->edp_on = true;
}
+ }
+ /* enable the transmitter */
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+ if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
+ /* DP_SET_POWER_D0 is set in radeon_dp_link_train */
radeon_dp_link_train(encoder, connector);
if (ASIC_IS_DCE4(rdev))
atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
}
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
+ atombios_dig_transmitter_setup(encoder,
+ ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
+ if (ext_encoder)
+ atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
if (ASIC_IS_DCE4(rdev)) {
+ if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector)
+ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
+ }
+ if (ext_encoder)
+ atombios_external_encoder_setup(encoder, ext_encoder, ATOM_DISABLE);
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ atombios_dig_transmitter_setup(encoder,
+ ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);
+
+ if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) &&
+ connector && !travis_quirk)
+ radeon_dp_set_rx_power_state(connector, DP_SET_POWER_D3);
+ if (ASIC_IS_DCE4(rdev)) {
/* disable the transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+ atombios_dig_transmitter_setup(encoder,
+ ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
} else {
/* disable the encoder and transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+ atombios_dig_transmitter_setup(encoder,
+ ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
}
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
- if (ASIC_IS_DCE4(rdev))
- atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
+ if (travis_quirk)
+ radeon_dp_set_rx_power_state(connector, DP_SET_POWER_D3);
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
atombios_set_edp_panel_power(connector,
ATOM_TRANSMITTER_ACTION_POWER_OFF);
radeon_dig_connector->edp_on = false;
}
}
- if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);
- break;
- }
-}
-
-static void
-radeon_atom_encoder_dpms_ext(struct drm_encoder *encoder,
- struct drm_encoder *ext_encoder,
- int mode)
-{
- struct drm_device *dev = encoder->dev;
- struct radeon_device *rdev = dev->dev_private;
-
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- default:
- if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev)) {
- atombios_external_encoder_setup(encoder, ext_encoder,
- EXTERNAL_ENCODER_ACTION_V3_ENABLE_OUTPUT);
- atombios_external_encoder_setup(encoder, ext_encoder,
- EXTERNAL_ENCODER_ACTION_V3_ENCODER_BLANKING_OFF);
- } else
- atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev)) {
- atombios_external_encoder_setup(encoder, ext_encoder,
- EXTERNAL_ENCODER_ACTION_V3_ENCODER_BLANKING);
- atombios_external_encoder_setup(encoder, ext_encoder,
- EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT);
- } else
- atombios_external_encoder_setup(encoder, ext_encoder, ATOM_DISABLE);
break;
}
}
@@ -1747,7 +1737,6 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
- struct drm_encoder *ext_encoder = radeon_get_external_encoder(encoder);
DRM_DEBUG_KMS("encoder dpms %d to mode %d, devices %08x, active_devices %08x\n",
radeon_encoder->encoder_id, mode, radeon_encoder->devices,
@@ -1807,9 +1796,6 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
return;
}
- if (ext_encoder)
- radeon_atom_encoder_dpms_ext(encoder, ext_encoder, mode);
-
radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
}
--
1.8.3.1
^ permalink raw reply related [flat|nested] 5+ messages in thread