From: Rohit Jain <rohit.j...@intel.com>
Added support for parsing the OEM Customizable Modes Block (#20)
in the VBIOS table.
Signed-off-by: Rohit Jain <rohit.j...@intel.com>
Reviewed-by: Shobhit Kumar <shobhit.ku...@intel.com>
Reviewed-by: Vijay A. Purushothaman <vijay.a.purushotha...@intel.com>
Acked-by: Jesse Barnes <jesse.bar...@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodo...@intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityuts...@linux.intel.com>
Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
---
drivers/gpu/drm/i915/intel_bios.c | 15 +++++++++++++++
drivers/gpu/drm/i915/intel_bios.h | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_bios.c
b/drivers/gpu/drm/i915/intel_bios.c
index 8168d8f..6c170ca 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -450,6 +450,20 @@ parse_driver_features(struct drm_i915_private *dev_priv,
}
static void
+parse_oem_custom_data(struct drm_i915_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_oem_custom *oem_data;
+
+ oem_data = find_section(bdb, BDB_OEM_CUSTOM);
+ if (!oem_data)
+ return;
+
+ /* TBD: Read relevant info into dev_priv */
+ return;
+}
+
+static void
parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
{
struct bdb_edp *edp;
@@ -685,6 +699,7 @@ intel_parse_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_oem_custom_data(dev_priv, bdb);
parse_edp(dev_priv, bdb);
if (bios)
diff --git a/drivers/gpu/drm/i915/intel_bios.h
b/drivers/gpu/drm/i915/intel_bios.h
index dbda6e3..11ff802 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -432,6 +432,42 @@ struct bdb_driver_features {
u8 custom_vbt_version;
} __attribute__((packed));
+struct oem_mode_info {
+ /* Mode Flags */
+ u8 mode_flag_video_bios:1;
+ u8 mode_flag_driver:1;
+ u8 mode_flag_reserved:6;
+
+ /* Display Flags */
+ u8 crt:1;
+ u8 tv:1;
+ u8 efp:1;
+ u8 lfp:1;
+ u8 crt2:1;
+ u8 tv2:1;
+ u8 efp2:1;
+ u8 lfp2:1;
+
+ u16 x_res;
+ u16 y_res;
+
+ /* Colour Depth */
+ u8 color_depth_8bpp:1;
+ u8 color_depth_16bpp:1;
+ u8 color_depth_32bpp:1;
+ u8 color_depth_reserved:5;
+
+ u8 refresh_rate;
+
+ /* TBD: OEM DTD Value (18 bytes) */
+} __attribute__((packed));
+
+struct bdb_oem_custom {
+ u8 num_rows;
+ u8 row_size;
+ struct oem_mode_info mode_info[6]; /* mode_info[]? */
+} __attribute__((packed));
+
#define EDP_18BPP 0
#define EDP_24BPP 1
#define EDP_30BPP 2
--
1.7.5.4
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