diff options
| author | Puthikorn Voravootivat <[email protected]> | 2017-05-11 16:02:21 -0700 |
|---|---|---|
| committer | Jani Nikula <[email protected]> | 2017-05-12 15:50:35 +0300 |
| commit | e9c9e5ae8b57a6f29aecc303b36173e0be7fdd60 (patch) | |
| tree | aee27bcd5505148dcf36ee35012ea13dcc5a2456 | |
| parent | 73ab484c90f5a696a6552c82f5d64b13303c0813 (diff) | |
drm/i915: Set backlight mode before enable backlight
We should set backlight mode register before set register to
enable the backlight.
Signed-off-by: Puthikorn Voravootivat <[email protected]>
Reviewed-by: Dhinakaran Pandiyan <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp_aux_backlight.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c index 870c03fc0f3a..5f945e05efe2 100644 --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c @@ -99,8 +99,6 @@ static void intel_dp_aux_enable_backlight(struct intel_connector *connector) uint8_t dpcd_buf = 0; uint8_t edp_backlight_mode = 0; - set_aux_backlight_enable(intel_dp, true); - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_BACKLIGHT_MODE_SET_REGISTER, &dpcd_buf) != 1) { DRM_DEBUG_KMS("Failed to read DPCD register 0x%x\n", @@ -127,6 +125,8 @@ static void intel_dp_aux_enable_backlight(struct intel_connector *connector) default: break; } + + set_aux_backlight_enable(intel_dp, true); } static void intel_dp_aux_disable_backlight(struct intel_connector *connector) |