[Intel-gfx] [PATCH 01/11] drm/i915/bios: Extract struct lvds_lfp_data_ptr_table
Ville Syrjala
ville.syrjala at linux.intel.com
Thu Mar 17 17:19:38 UTC 2022
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
All the LFP data table pointers have uniform layout. Turn
that into a struct.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_bios.c | 10 +++++-----
drivers/gpu/drm/i915/display/intel_vbt_defs.h | 13 +++++++------
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index c7afe19dd44a..31fce7c92a28 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -180,11 +180,11 @@ get_lvds_dvo_timing(const struct bdb_lvds_lfp_data *lvds_lfp_data,
*/
int lfp_data_size =
- lvds_lfp_data_ptrs->ptr[1].dvo_timing_offset -
- lvds_lfp_data_ptrs->ptr[0].dvo_timing_offset;
+ lvds_lfp_data_ptrs->ptr[1].dvo_timing.offset -
+ lvds_lfp_data_ptrs->ptr[0].dvo_timing.offset;
int dvo_timing_offset =
- lvds_lfp_data_ptrs->ptr[0].dvo_timing_offset -
- lvds_lfp_data_ptrs->ptr[0].fp_timing_offset;
+ lvds_lfp_data_ptrs->ptr[0].dvo_timing.offset -
+ lvds_lfp_data_ptrs->ptr[0].fp_timing.offset;
char *entry = (char *)lvds_lfp_data->data + lfp_data_size * index;
return (struct lvds_dvo_timing *)(entry + dvo_timing_offset);
@@ -205,7 +205,7 @@ get_lvds_fp_timing(const struct bdb_header *bdb,
if (index >= ARRAY_SIZE(ptrs->ptr))
return NULL;
- ofs = ptrs->ptr[index].fp_timing_offset;
+ ofs = ptrs->ptr[index].fp_timing.offset;
if (ofs < data_ofs ||
ofs + sizeof(struct lvds_fp_timing) > data_ofs + data_size)
return NULL;
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index e0508990df48..d727fcd6cdab 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -722,15 +722,16 @@ struct bdb_lvds_options {
/*
* Block 41 - LFP Data Table Pointers
*/
+struct lvds_lfp_data_ptr_table {
+ u16 offset; /* offsets are from start of bdb */
+ u8 table_size;
+} __packed;
/* LFP pointer table contains entries to the struct below */
struct lvds_lfp_data_ptr {
- u16 fp_timing_offset; /* offsets are from start of bdb */
- u8 fp_table_size;
- u16 dvo_timing_offset;
- u8 dvo_table_size;
- u16 panel_pnp_id_offset;
- u8 pnp_table_size;
+ struct lvds_lfp_data_ptr_table fp_timing;
+ struct lvds_lfp_data_ptr_table dvo_timing;
+ struct lvds_lfp_data_ptr_table panel_pnp_id;
} __packed;
struct bdb_lvds_lfp_data_ptrs {
--
2.34.1
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