From 49d17f3b4853959eec99bfa3f853c86b5ee3e084 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 13 Sep 2021 17:44:32 +0300
Subject: drm/i915: Extract hsw_panel_transcoders()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 262d88baad8d8a7c13124fb9807db399b3e595f4
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Extract the "panel transcoder" bitmask into a helper. We'll
have a couple of uses for this later.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210913144440.23008-9-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/display/intel_display.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 0c8b21e6daa8..854784293538 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5599,21 +5599,27 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
 	return ret;
 }
 
+static u8 hsw_panel_transcoders(struct drm_i915_private *i915)
+{
+	u8 panel_transcoder_mask = BIT(TRANSCODER_EDP);
+
+	if (DISPLAY_VER(i915) >= 11)
+		panel_transcoder_mask |= BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1);
+
+	return panel_transcoder_mask;
+}
+
 static bool hsw_get_transcoder_state(struct intel_crtc *crtc,
 				     struct intel_crtc_state *pipe_config,
 				     struct intel_display_power_domain_set *power_domain_set)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	unsigned long panel_transcoder_mask = BIT(TRANSCODER_EDP);
+	u8 panel_transcoder_mask = hsw_panel_transcoders(dev_priv);
 	unsigned long enabled_panel_transcoders = 0;
 	enum transcoder panel_transcoder;
 	u32 tmp;
 
-	if (DISPLAY_VER(dev_priv) >= 11)
-		panel_transcoder_mask |=
-			BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1);
-
 	/*
 	 * The pipe->transcoder mapping is fixed with the exception of the eDP
 	 * and DSI transcoders handled below.
-- 
2.38.1