drm/nouveau/disp: fix dithering not being enabled on some eDP macbooks
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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1 changed files with 7 additions and 1 deletions
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@ -654,7 +654,13 @@ nouveau_connector_detect_depth(struct drm_connector *connector)
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if (nv_connector->edid && connector->display_info.bpc)
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if (nv_connector->edid && connector->display_info.bpc)
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return;
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return;
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/* if not, we're out of options unless we're LVDS, default to 8bpc */
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/* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
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if (nv_connector->type == DCB_CONNECTOR_eDP) {
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connector->display_info.bpc = 6;
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return;
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}
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/* we're out of options unless we're LVDS, default to 8bpc */
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if (nv_encoder->dcb->type != OUTPUT_LVDS) {
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if (nv_encoder->dcb->type != OUTPUT_LVDS) {
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connector->display_info.bpc = 8;
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connector->display_info.bpc = 8;
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return;
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return;
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