diff options
| author | Puthikorn Voravootivat <puthik@chromium.org> | 2017-05-11 16:02:17 -0700 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2017-05-12 15:47:08 +0300 |
| commit | a644ca9bcdac3b9e9f0fd2726c9198e85cecfbee (patch) | |
| tree | d3f6c9d8612f8c1b9c6b3a9a6a69f615b2f05a99 /drivers/gpu/drm/i915/intel_dp_aux_backlight.c | |
| parent | 1f23475c893a85c934143cd64865ebb9b6af383f (diff) | |
| download | op-kernel-dev-a644ca9bcdac3b9e9f0fd2726c9198e85cecfbee.zip op-kernel-dev-a644ca9bcdac3b9e9f0fd2726c9198e85cecfbee.tar.gz | |
drm/i915: Fix cap check for intel_dp_aux_backlight driver
intel_dp_aux_backlight driver should check for the
DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP before enable the driver.
Signed-off-by: Puthikorn Voravootivat <puthik@chromium.org>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170511230225.142870-2-puthik@chromium.org
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp_aux_backlight.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp_aux_backlight.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c index 6532e22..341bf2c 100644 --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c @@ -144,6 +144,7 @@ intel_dp_aux_display_control_capable(struct intel_connector *connector) */ if (intel_dp->edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP && (intel_dp->edp_dpcd[1] & DP_EDP_BACKLIGHT_AUX_ENABLE_CAP) && + (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP) && !((intel_dp->edp_dpcd[1] & DP_EDP_BACKLIGHT_PIN_ENABLE_CAP) || (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP))) { DRM_DEBUG_KMS("AUX Backlight Control Supported!\n"); |
