diff options
| author | J. Bruce Fields <bfields@citi.umich.edu> | 2010-03-04 12:03:16 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2010-03-04 12:04:51 -0500 |
| commit | 4ea41e2de5bba756858bb40f964e3490b6d1a25c (patch) | |
| tree | 51a688be321dd42f80d8a0c966eb6a60408d50b3 /drivers/gpu/drm/i915/intel_bios.c | |
| parent | 8d75da8afd068fa58b35e69c7c8c46770d9e7a98 (diff) | |
| parent | 398007f863a4af2b4a5a07219c5a617f1a098115 (diff) | |
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs into for-2.6.34-incoming
Resolve merge conflict in fs/xfs/linux-2.6/xfs_export.c.
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index f2756774758..15fbc1b5a83 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -33,6 +33,8 @@ #define SLAVE_ADDR1 0x70 #define SLAVE_ADDR2 0x72 +static int panel_type; + static void * find_section(struct bdb_header *bdb, int section_id) { @@ -128,6 +130,7 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, dev_priv->lvds_dither = lvds_options->pixel_dither; if (lvds_options->panel_type == 0xff) return; + panel_type = lvds_options->panel_type; lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA); if (!lvds_lfp_data) @@ -197,7 +200,8 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, memset(temp_mode, 0, sizeof(*temp_mode)); } kfree(temp_mode); - if (temp_downclock < panel_fixed_mode->clock) { + if (temp_downclock < panel_fixed_mode->clock && + i915_lvds_downclock) { dev_priv->lvds_downclock_avail = 1; dev_priv->lvds_downclock = temp_downclock; DRM_DEBUG_KMS("LVDS downclock is found in VBT. ", @@ -405,6 +409,34 @@ parse_driver_features(struct drm_i915_private *dev_priv, } static void +parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb) +{ + struct bdb_edp *edp; + + edp = find_section(bdb, BDB_EDP); + if (!edp) { + if (SUPPORTS_EDP(dev_priv->dev) && dev_priv->edp_support) { + DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported,\ + assume 18bpp panel color depth.\n"); + dev_priv->edp_bpp = 18; + } + return; + } + + switch ((edp->color_depth >> (panel_type * 2)) & 3) { + case EDP_18BPP: + dev_priv->edp_bpp = 18; + break; + case EDP_24BPP: + dev_priv->edp_bpp = 24; + break; + case EDP_30BPP: + dev_priv->edp_bpp = 30; + break; + } +} + +static void parse_device_mapping(struct drm_i915_private *dev_priv, struct bdb_header *bdb) { @@ -521,6 +553,7 @@ intel_init_bios(struct drm_device *dev) parse_sdvo_device_mapping(dev_priv, bdb); parse_device_mapping(dev_priv, bdb); parse_driver_features(dev_priv, bdb); + parse_edp(dev_priv, bdb); pci_unmap_rom(pdev, bios); |