Seems some newer systems require this explicitly.
Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
drivers/gpu/drm/radeon/radeon_encoders.c | 15 ++++++++++++++-
1 files changed, 14 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c
b/drivers/gpu/drm/radeon/radeon_encoders.c
index f678257..d55cb58 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1086,6 +1086,8 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int
mode)
if (ASIC_IS_DCE4(rdev))
atombios_dig_encoder_setup(encoder,
ATOM_ENCODER_CMD_DP_VIDEO_ON);
}
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
@@ -1095,20 +1097,31 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder,
int mode)
if (ASIC_IS_DCE4(rdev))
atombios_dig_encoder_setup(encoder,
ATOM_ENCODER_CMD_DP_VIDEO_OFF);
}
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ atombios_dig_transmitter_setup(encoder,
ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);
break;
}
} else {
switch (mode) {
case DRM_MODE_DPMS_ON:
args.ucAction = ATOM_ENABLE;
+ atom_execute_table(rdev->mode_info.atom_context, index,
(uint32_t *)&args);
+ if (radeon_encoder->devices &
(ATOM_DEVICE_LCD_SUPPORT)) {
+ args.ucAction = ATOM_LCD_BLON;
+
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ }
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
args.ucAction = ATOM_DISABLE;
+ atom_execute_table(rdev->mode_info.atom_context, index,
(uint32_t *)&args);
+ if (radeon_encoder->devices &
(ATOM_DEVICE_LCD_SUPPORT)) {
+ args.ucAction = ATOM_LCD_BLOFF;
+
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ }
break;
}
- atom_execute_table(rdev->mode_info.atom_context, index,
(uint32_t *)&args);
}
radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode ==
DRM_MODE_DPMS_ON) ? true : false);
--
1.7.1.1
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