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Merge branch 'drm-fixes-4.3' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 

regression fix for backlight on old laptops.

* 'drm-fixes-4.3' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: fix dpms when driver backlight control is disabled
  drm/radeon: move bl encoder assignment into bl init
This commit is contained in:
Dave Airlie 2015-10-30 09:32:59 +10:00
parent 8a28d67457 ae93580ee5
commit 04ccb89073
3 changed files with 16 additions and 5 deletions
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19
drivers/gpu/drm/radeon/atombios_encoders.c
View File

@ -237,6 +237,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
backlight_update_status(bd);
DRM_INFO("radeon atom DIG backlight initialized\n");
rdev->mode_info.bl_encoder = radeon_encoder;
return;
@ -1624,9 +1625,14 @@ radeon_atom_encoder_dpms_avivo(struct drm_encoder *encoder, int mode)
} else
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (rdev->mode_info.bl_encoder) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
} else {
args.ucAction = ATOM_LCD_BLON;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
}
break;
case DRM_MODE_DPMS_STANDBY:
@ -1706,8 +1712,13 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
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_set_backlight_level(radeon_encoder, dig->backlight_level);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
if (rdev->mode_info.bl_encoder)
atombios_set_backlight_level(radeon_encoder, dig->backlight_level);
else
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;

1
drivers/gpu/drm/radeon/radeon_encoders.c
View File

@ -194,7 +194,6 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
radeon_atom_backlight_init(radeon_encoder, connector);
else
radeon_legacy_backlight_init(radeon_encoder, connector);
rdev->mode_info.bl_encoder = radeon_encoder;
}
}

1
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
View File

@ -441,6 +441,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
backlight_update_status(bd);
DRM_INFO("radeon legacy LVDS backlight initialized\n");
rdev->mode_info.bl_encoder = radeon_encoder;
return;