From 7caaef332abaae872ddd2cd65bbe8a8bc0d8f5cc Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Wed, 16 Mar 2016 12:43:34 +0200 Subject: [PATCH] drm/i915/bios: drop has_mipi in favor of intel_bios_is_dsi_present Favor a single point of truth instead of duplicating the information. The change also filters out unsupported DSI ports at this stage, accepting only ports A and C, instead of waiting until the port checks. Reviewed-by: Daniel Vetter Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1458125015-7931-6-git-send-email-jani.nikula@intel.com --- drivers/gpu/drm/i915/i915_drv.h | 1 - drivers/gpu/drm/i915/intel_bios.c | 12 +++--------- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f6a84ba..8a10c4b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1434,7 +1434,6 @@ struct intel_vbt_data { unsigned int lvds_use_ssc:1; unsigned int display_clock_mode:1; unsigned int fdi_rx_polarity_inverted:1; - unsigned int has_mipi:1; int lvds_ssc_freq; unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */ diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 4b6bd6f..aa90dc6 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -706,7 +706,7 @@ parse_mipi_config(struct drm_i915_private *dev_priv, const struct mipi_pps_data *pps; /* parse MIPI blocks only if LFP type is MIPI */ - if (!dev_priv->vbt.has_mipi) + if (!intel_bios_is_dsi_present(dev_priv, NULL)) return; /* Initialize this to undefined indicating no generic MIPI support */ @@ -1232,13 +1232,6 @@ parse_device_mapping(struct drm_i915_private *dev_priv, continue; } - if (p_child->common.dvo_port >= DVO_PORT_MIPIA - && p_child->common.dvo_port <= DVO_PORT_MIPID - &&p_child->common.device_type & DEVICE_TYPE_MIPI_OUTPUT) { - DRM_DEBUG_KMS("Found MIPI as LFP\n"); - dev_priv->vbt.has_mipi = 1; - } - child_dev_ptr = dev_priv->vbt.child_dev + count; count++; @@ -1580,7 +1573,8 @@ bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, switch (dvo_port) { case DVO_PORT_MIPIA: case DVO_PORT_MIPIC: - *port = dvo_port - DVO_PORT_MIPIA; + if (port) + *port = dvo_port - DVO_PORT_MIPIA; return true; case DVO_PORT_MIPIB: case DVO_PORT_MIPID: -- 2.7.4