diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/bios_parser.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index 6450853fea94..67f08495b7e6 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -44,8 +44,6 @@ #include "bios_parser_common.h" -#include "dc.h" - #define THREE_PERCENT_OF_10000 300 #define LAST_RECORD_TYPE 0xff @@ -667,6 +665,9 @@ static enum bp_result get_ss_info_v3_1( ss_table_header_include = ((ATOM_ASIC_INTERNAL_SS_INFO_V3 *) bios_get_image(&bp->base, DATA_TABLES(ASIC_InternalSS_Info), struct_size(ss_table_header_include, asSpreadSpectrum, 1))); + if (!ss_table_header_include) + return BP_RESULT_UNSUPPORTED; + table_size = (le16_to_cpu(ss_table_header_include->sHeader.usStructureSize) - sizeof(ATOM_COMMON_TABLE_HEADER)) @@ -1036,6 +1037,8 @@ static enum bp_result get_ss_info_from_internal_ss_info_tbl_V2_1( &bp->base, DATA_TABLES(ASIC_InternalSS_Info), struct_size(header, asSpreadSpectrum, 1))); + if (!header) + return result; memset(info, 0, sizeof(struct spread_spectrum_info)); @@ -1109,6 +1112,8 @@ static enum bp_result get_ss_info_from_ss_info_table( get_atom_data_table_revision(header, &revision); tbl = GET_IMAGE(ATOM_SPREAD_SPECTRUM_INFO, DATA_TABLES(SS_Info)); + if (!tbl) + return result; if (1 != revision.major || 2 > revision.minor) return result; @@ -1636,6 +1641,8 @@ static uint32_t get_ss_entry_number_from_ss_info_tbl( tbl = GET_IMAGE(ATOM_SPREAD_SPECTRUM_INFO, DATA_TABLES(SS_Info)); + if (!tbl) + return number; if (1 != revision.major || 2 > revision.minor) return number; @@ -1718,6 +1725,8 @@ static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_v2_1( &bp->base, DATA_TABLES(ASIC_InternalSS_Info), struct_size(header_include, asSpreadSpectrum, 1))); + if (!header_include) + return 0; size = (le16_to_cpu(header_include->sHeader.usStructureSize) - sizeof(ATOM_COMMON_TABLE_HEADER)) @@ -1731,6 +1740,7 @@ static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_v2_1( return 0; } + /** * get_ss_entry_number_from_internal_ss_info_tbl_V3_1 * Get Number of SpreadSpectrum Entry from the ASIC_InternalSS_Info table of @@ -1756,6 +1766,9 @@ static uint32_t get_ss_entry_number_from_internal_ss_info_tbl_V3_1( header_include = ((ATOM_ASIC_INTERNAL_SS_INFO_V3 *) bios_get_image(&bp->base, DATA_TABLES(ASIC_InternalSS_Info), struct_size(header_include, asSpreadSpectrum, 1))); + if (!header_include) + return number; + size = (le16_to_cpu(header_include->sHeader.usStructureSize) - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3); @@ -2371,10 +2384,10 @@ static enum bp_result get_integrated_info_v8( } /* - * get_integrated_info_v8 + * get_integrated_info_v9 * * @brief - * Get V8 integrated BIOS information + * Get V9 integrated BIOS information * * @param * bios_parser *bp - [in]BIOS parser handler to get master data table @@ -2552,8 +2565,8 @@ static enum bp_result construct_integrated_info( /* Sort voltage table from low to high*/ if (result == BP_RESULT_OK) { - uint32_t i; - uint32_t j; + int32_t i; + int32_t j; for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) { for (j = i; j > 0; --j) { |