[PATCH 2/6] drm/i915: Simplfy LVDS crtc_mask setup

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

We don't need to special case PCH vs. gen4 when setting up the LVDS
crtc_mask. Just claim pipes A|B|C work and
intel_encoder_possible_crtcs() will drop out any crtc that doesn't
exist.

v2: Put the special case first to match what most other encoders do

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_lvds.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c
index 13841d7c455b..cf1cd2295b9b 100644
--- a/drivers/gpu/drm/i915/display/intel_lvds.c
+++ b/drivers/gpu/drm/i915/display/intel_lvds.c
@@ -899,12 +899,10 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER;
 	intel_encoder->port = PORT_NONE;
 	intel_encoder->cloneable = 0;
-	if (HAS_PCH_SPLIT(dev_priv))
-		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
-	else if (IS_GEN(dev_priv, 4))
-		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B);
-	else
+	if (INTEL_GEN(dev_priv) < 4)
 		intel_encoder->crtc_mask = BIT(PIPE_B);
+	else
+		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
 
 	drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
 	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-- 
2.21.0

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