diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 2e2c71fcc9ed..ca52ad2ae7d1 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -352,6 +352,7 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, case INTEL_OUTPUT_UNKNOWN: case INTEL_OUTPUT_DISPLAYPORT: case INTEL_OUTPUT_HDMI: + case INTEL_OUTPUT_DP_MST: type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL; break; case INTEL_OUTPUT_EDP: @@ -403,6 +404,15 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); + /* + * If the acpi_video interface is not supposed to be used, don't + * bother processing backlight level change requests from firmware. + */ + if (!acpi_video_verify_backlight_support()) { + DRM_DEBUG_KMS("opregion backlight request ignored\n"); + return 0; + } + if (!(bclp & ASLE_BCLP_VALID)) return ASLC_BACKLIGHT_FAILED; @@ -418,7 +428,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) */ DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp); list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head) - intel_panel_set_backlight(intel_connector, bclp, 255); + intel_panel_set_backlight_acpi(intel_connector, bclp, 255); iowrite32(DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID, &asle->cblv); drm_modeset_unlock(&dev->mode_config.connection_mutex); |