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drm/i915/bios: split the MIPI DSI VBT block parsing to two

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There's two blocks to parse, have one function per block. The existing
one cuts neatly into two.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/6c9598e2b4d07e8d264617cdfe8b6527a74261f7.1450702954.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2015-12-21 15:10:54 +02:00
parent 513485fd10
commit 0f8689f5bb
1 changed files with 19 additions and 8 deletions
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27
drivers/gpu/drm/i915/intel_bios.c
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@ -765,16 +765,12 @@ static u8 *goto_next_sequence(u8 *data, int *size)
}
static void
parse_mipi(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
parse_mipi_config(struct drm_i915_private *dev_priv,
const struct bdb_header *bdb)
{
const struct bdb_mipi_config *start;
const struct bdb_mipi_sequence *sequence;
const struct mipi_config *config;
const struct mipi_pps_data *pps;
u8 *data;
const u8 *seq_data;
int i, panel_id, seq_size;
u16 block_size;
/* parse MIPI blocks only if LFP type is MIPI */
if (!dev_priv->vbt.has_mipi)
@ -820,8 +816,22 @@ parse_mipi(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
/* We have mandatory mipi config blocks. Initialize as generic panel */
dev_priv->vbt.dsi.panel_id = MIPI_DSI_GENERIC_PANEL_ID;
}
static void
parse_mipi_sequence(struct drm_i915_private *dev_priv,
const struct bdb_header *bdb)
{
const struct bdb_mipi_sequence *sequence;
const u8 *seq_data;
u8 *data;
u16 block_size;
int i, panel_id, seq_size;
/* Only our generic panel driver uses the sequence block. */
if (dev_priv->vbt.dsi.panel_id != MIPI_DSI_GENERIC_PANEL_ID)
return;
/* Check if we have sequence block as well */
sequence = find_section(bdb, BDB_MIPI_SEQUENCE);
if (!sequence) {
DRM_DEBUG_KMS("No MIPI Sequence found, parsing complete\n");
@ -1359,7 +1369,8 @@ intel_bios_init(struct drm_i915_private *dev_priv)
parse_driver_features(dev_priv, bdb);
parse_edp(dev_priv, bdb);
parse_psr(dev_priv, bdb);
parse_mipi(dev_priv, bdb);
parse_mipi_config(dev_priv, bdb);
parse_mipi_sequence(dev_priv, bdb);
parse_ddi_ports(dev_priv, bdb);
if (bios)