From ade673bb2ba496a66250c5c2006c502c3d734ea2 Mon Sep 17 00:00:00 2001 From: Lyude Paul Date: Fri, 14 May 2021 14:14:59 -0400 Subject: [PATCH] drm/i915/dpcd_bl: Move VESA backlight enabling code closer together No functional changes, just move set_vesa_backlight_enable() closer to it's only caller: intel_dp_aux_vesa_enable_backlight(). Signed-off-by: Lyude Paul Reviewed-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20210514181504.565252-6-lyude@redhat.com --- .../gpu/drm/i915/display/intel_dp_aux_backlight.c | 54 +++++++++++----------- 1 file changed, 27 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c index 1d31c33f4867..781c7cd98d75 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c @@ -270,33 +270,6 @@ intel_dp_aux_hdr_setup_backlight(struct intel_connector *connector, enum pipe pi } /* VESA backlight callbacks */ -static void set_vesa_backlight_enable(struct intel_connector *connector, bool enable) -{ - struct intel_dp *intel_dp = intel_attached_dp(connector); - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - u8 reg_val = 0; - - /* Early return when display use other mechanism to enable backlight. */ - if (!connector->panel.backlight.edp.vesa.aux_enable) - return; - - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER, ®_val) != 1) { - drm_dbg_kms(&i915->drm, "Failed to read DPCD register 0x%x\n", - DP_EDP_DISPLAY_CONTROL_REGISTER); - return; - } - if (enable) - reg_val |= DP_EDP_BACKLIGHT_ENABLE; - else - reg_val &= ~(DP_EDP_BACKLIGHT_ENABLE); - - if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER, - reg_val) != 1) { - drm_dbg_kms(&i915->drm, "Failed to %s aux backlight\n", - enabledisable(enable)); - } -} - static bool intel_dp_aux_vesa_backlight_dpcd_mode(struct intel_connector *connector) { struct intel_dp *intel_dp = intel_attached_dp(connector); @@ -378,6 +351,33 @@ intel_dp_aux_vesa_set_backlight(const struct drm_connector_state *conn_state, } } +static void set_vesa_backlight_enable(struct intel_connector *connector, bool enable) +{ + struct intel_dp *intel_dp = intel_attached_dp(connector); + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + u8 reg_val = 0; + + /* Early return when display use other mechanism to enable backlight. */ + if (!connector->panel.backlight.edp.vesa.aux_enable) + return; + + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER, ®_val) != 1) { + drm_dbg_kms(&i915->drm, "Failed to read DPCD register 0x%x\n", + DP_EDP_DISPLAY_CONTROL_REGISTER); + return; + } + if (enable) + reg_val |= DP_EDP_BACKLIGHT_ENABLE; + else + reg_val &= ~(DP_EDP_BACKLIGHT_ENABLE); + + if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER, + reg_val) != 1) { + drm_dbg_kms(&i915->drm, "Failed to %s aux backlight\n", + enabledisable(enable)); + } +} + static void intel_dp_aux_vesa_enable_backlight(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state, u32 level) -- 2.11.0