From: Ben Skeggs Date: Thu, 6 Dec 2012 05:44:23 +0000 (+1000) Subject: drm/nouveau: remove some more unnecessary legacy bios code X-Git-Tag: v3.9~351^2~10^2~65 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=230881821a4467727f4100b5ee5c3ef0b67f3128;p=platform%2Fkernel%2Flinux-amlogic.git drm/nouveau: remove some more unnecessary legacy bios code Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 9a69e0b..5e1cfca 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -678,23 +678,6 @@ int run_tmds_table(struct drm_device *dev, struct dcb_output *dcbent, int head, return 0; } -static void parse_bios_version(struct drm_device *dev, struct nvbios *bios, uint16_t offset) -{ - /* - * offset + 0 (8 bits): Micro version - * offset + 1 (8 bits): Minor version - * offset + 2 (8 bits): Chip version - * offset + 3 (8 bits): Major version - */ - struct nouveau_drm *drm = nouveau_drm(dev); - - bios->major_version = bios->data[offset + 3]; - bios->chip_version = bios->data[offset + 2]; - NV_INFO(drm, "Bios version %02x.%02x.%02x.%02x\n", - bios->data[offset + 3], bios->data[offset + 2], - bios->data[offset + 1], bios->data[offset]); -} - static void parse_script_table_pointers(struct nvbios *bios, uint16_t offset) { /* @@ -710,12 +693,6 @@ static void parse_script_table_pointers(struct nvbios *bios, uint16_t offset) */ bios->init_script_tbls_ptr = ROM16(bios->data[offset]); - bios->macro_index_tbl_ptr = ROM16(bios->data[offset + 2]); - bios->macro_tbl_ptr = ROM16(bios->data[offset + 4]); - bios->condition_tbl_ptr = ROM16(bios->data[offset + 6]); - bios->io_condition_tbl_ptr = ROM16(bios->data[offset + 8]); - bios->io_flag_condition_tbl_ptr = ROM16(bios->data[offset + 10]); - bios->init_function_tbl_ptr = ROM16(bios->data[offset + 12]); } static int parse_bit_A_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) @@ -765,25 +742,6 @@ static int parse_bit_A_tbl_entry(struct drm_device *dev, struct nvbios *bios, st return 0; } -static int parse_bit_C_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) -{ - /* - * offset + 8 (16 bits): PLL limits table pointer - * - * There's more in here, but that's unknown. - */ - struct nouveau_drm *drm = nouveau_drm(dev); - - if (bitentry->length < 10) { - NV_ERROR(drm, "Do not understand BIT C table\n"); - return -EINVAL; - } - - bios->pll_limit_tbl_ptr = ROM16(bios->data[bitentry->offset + 8]); - - return 0; -} - static int parse_bit_display_tbl_entry(struct drm_device *dev, struct nvbios *bios, struct bit_entry *bitentry) { /* @@ -821,12 +779,6 @@ static int parse_bit_init_tbl_entry(struct drm_device *dev, struct nvbios *bios, } parse_script_table_pointers(bios, bitentry->offset); - - if (bitentry->length >= 16) - bios->some_script_ptr = ROM16(bios->data[bitentry->offset + 14]); - if (bitentry->length >= 18) - bios->init96_tbl_ptr = ROM16(bios->data[bitentry->offset + 16]); - return 0; } @@ -852,8 +804,6 @@ static int parse_bit_i_tbl_entry(struct drm_device *dev, struct nvbios *bios, st return -EINVAL; } - parse_bios_version(dev, bios, bitentry->offset); - /* * bit 4 seems to indicate a mobile bios (doesn't suffer from BMP's * Quadro identity crisis), other bits possibly as for BMP feature byte @@ -1078,9 +1028,6 @@ parse_bit_structure(struct nvbios *bios, const uint16_t bitoffset) return ret; if (bios->major_version >= 0x60) /* g80+ */ parse_bit_table(bios, bitoffset, &BIT_TABLE('A', A)); - ret = parse_bit_table(bios, bitoffset, &BIT_TABLE('C', C)); - if (ret) - return ret; parse_bit_table(bios, bitoffset, &BIT_TABLE('D', display)); ret = parse_bit_table(bios, bitoffset, &BIT_TABLE('I', init)); if (ret) @@ -1228,8 +1175,6 @@ static int parse_bmp_structure(struct drm_device *dev, struct nvbios *bios, unsi */ bios->feature_byte = bmp[9]; - parse_bios_version(dev, bios, offset + 10); - if (bmp_version_major < 5 || bmp_version_minor < 0x10) bios->old_style_init = true; legacy_scripts_offset = 18; @@ -1276,8 +1221,10 @@ static int parse_bmp_structure(struct drm_device *dev, struct nvbios *bios, unsi bios->fp.lvdsmanufacturerpointer = ROM16(bmp[117]); bios->fp.fpxlatemanufacturertableptr = ROM16(bmp[119]); } +#if 0 if (bmplength > 143) bios->pll_limit_tbl_ptr = ROM16(bmp[142]); +#endif if (bmplength > 157) bios->fp.duallink_transition_clk = ROM16(bmp[156]) * 10; @@ -2072,6 +2019,8 @@ static bool NVInitVBIOS(struct drm_device *dev) return !parse_bmp_structure(dev, legacy, legacy->offset); } + legacy->major_version = bios->version.major; + legacy->chip_version = bios->version.chip; return false; } diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h index f68c54c..7ccd28f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.h +++ b/drivers/gpu/drm/nouveau/nouveau_bios.h @@ -107,20 +107,10 @@ struct nvbios { bool old_style_init; uint16_t init_script_tbls_ptr; uint16_t extra_init_script_tbl_ptr; - uint16_t macro_index_tbl_ptr; - uint16_t macro_tbl_ptr; - uint16_t condition_tbl_ptr; - uint16_t io_condition_tbl_ptr; - uint16_t io_flag_condition_tbl_ptr; - uint16_t init_function_tbl_ptr; - - uint16_t pll_limit_tbl_ptr; + uint16_t ram_restrict_tbl_ptr; uint8_t ram_restrict_group_count; - uint16_t some_script_ptr; /* BIT I + 14 */ - uint16_t init96_tbl_ptr; /* BIT I + 16 */ - struct dcb_table dcb; struct {