drm/nouveau: remove some more unnecessary legacy bios code

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

2 files changed, 5 insertions, 66 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 9a69e0b131bf..5e1cfcacb140 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 f68c54ca422f..7ccd28f11adf 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 {