From ba251bde9ab8bdce8fbd3f60dbb71b36cc4c9adf Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 16 Nov 2010 12:09:39 -0500 Subject: [PATCH] drm/radeon/kms: turn the backlight off explicitly for dpms Seems some newer systems require this explicitly. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_encoders.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index f678257c42e..d55cb58283a 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); -- 2.41.0