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drm/i915/vbt: Parse panel options separately from timing data

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Newer VBT versions will add an alternate way to read panel DTD
information, so let's split parsing of the general panel information
from the timing data in preparation.

Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Jesse Barnes <jsbarnes@google.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191115165132.9472-2-matthew.d.roper@intel.com
This commit is contained in:
Matt Roper 2019-11-15 08:51:31 -08:00
parent 8eed671415
commit 9e7ecedf05
1 changed files with 18 additions and 9 deletions
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27
drivers/gpu/drm/i915/display/intel_bios.c
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@ -208,17 +208,12 @@ get_lvds_fp_timing(const struct bdb_header *bdb,
return (const struct lvds_fp_timing *)((const u8 *)bdb + ofs);
}
/* Try to find integrated panel data */
/* Parse general panel options */
static void
parse_lfp_panel_data(struct drm_i915_private *dev_priv,
const struct bdb_header *bdb)
parse_panel_options(struct drm_i915_private *dev_priv,
const struct bdb_header *bdb)
{
const struct bdb_lvds_options *lvds_options;
const struct bdb_lvds_lfp_data *lvds_lfp_data;
const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
const struct lvds_dvo_timing *panel_dvo_timing;
const struct lvds_fp_timing *fp_timing;
struct drm_display_mode *panel_fixed_mode;
int panel_type;
int drrs_mode;
int ret;
@ -267,6 +262,19 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv,
DRM_DEBUG_KMS("DRRS not supported (VBT input)\n");
break;
}
}
/* Try to find integrated panel timing data */
static void
parse_lfp_panel_dtd(struct drm_i915_private *dev_priv,
const struct bdb_header *bdb)
{
const struct bdb_lvds_lfp_data *lvds_lfp_data;
const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
const struct lvds_dvo_timing *panel_dvo_timing;
const struct lvds_fp_timing *fp_timing;
struct drm_display_mode *panel_fixed_mode;
int panel_type = dev_priv->vbt.panel_type;
lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
if (!lvds_lfp_data)
@ -1868,7 +1876,8 @@ void intel_bios_init(struct drm_i915_private *dev_priv)
/* Grab useful general definitions */
parse_general_features(dev_priv, bdb);
parse_general_definitions(dev_priv, bdb);
parse_lfp_panel_data(dev_priv, bdb);
parse_panel_options(dev_priv, bdb);
parse_lfp_panel_dtd(dev_priv, bdb);
parse_lfp_backlight(dev_priv, bdb);
parse_sdvo_panel_data(dev_priv, bdb);
parse_driver_features(dev_priv, bdb);