From b9efc4804b1e61ee01a0d824c5d27bfdb518fffe Mon Sep 17 00:00:00 2001 From: Zhao Yakui Date: Mon, 19 Jul 2010 09:43:11 +0100 Subject: [PATCH] drm/i915: Add fixed panel mode parsed from EDID for eDP without fixed mode in VBT Signed-off-by: Zhao Yakui Reviewed-by: Chris Wilson Cc: stable@kernel.org Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/intel_dp.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f7410cffa8c9..2b99ab23dc8a 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1374,8 +1374,22 @@ static int intel_dp_get_modes(struct drm_connector *connector) */ ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); - if (ret) + if (ret) { + if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) && + !dev_priv->panel_fixed_mode) { + struct drm_display_mode *newmode; + list_for_each_entry(newmode, &connector->probed_modes, + head) { + if (newmode->type & DRM_MODE_TYPE_PREFERRED) { + dev_priv->panel_fixed_mode = + drm_mode_duplicate(dev, newmode); + break; + } + } + } + return ret; + } /* if eDP has no EDID, try to use fixed panel mode from VBT */ if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) { -- 2.20.1