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drm/i915: Simplify LVDS crtc_mask setup

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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@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191002162505.30716-2-ville.syrjala@linux.intel.com
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
This commit is contained in:
Ville Syrjälä 2019-10-02 19:25:01 +03:00
parent 2d9c190441
commit 2b0b27418a
1 changed files with 3 additions and 5 deletions
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8
drivers/gpu/drm/i915/display/intel_lvds.c
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@ -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;