diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mm.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mm.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/gpu/drm/ast/ast_mm.c b/drivers/gpu/drm/ast/ast_mm.c index 6dfe6d9777d4..0bc140319464 100644 --- a/drivers/gpu/drm/ast/ast_mm.c +++ b/drivers/gpu/drm/ast/ast_mm.c @@ -35,36 +35,35 @@ static u32 ast_get_vram_size(struct ast_device *ast) { - u8 jreg; u32 vram_size; + u8 vgacr99, vgacraa; - vram_size = AST_VIDMEM_DEFAULT_SIZE; - jreg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xaa, 0xff); - switch (jreg & 3) { + vgacraa = ast_get_index_reg(ast, AST_IO_VGACRI, 0xaa); + switch (vgacraa & AST_IO_VGACRAA_VGAMEM_SIZE_MASK) { case 0: - vram_size = AST_VIDMEM_SIZE_8M; + vram_size = SZ_8M; break; case 1: - vram_size = AST_VIDMEM_SIZE_16M; + vram_size = SZ_16M; break; case 2: - vram_size = AST_VIDMEM_SIZE_32M; + vram_size = SZ_32M; break; case 3: - vram_size = AST_VIDMEM_SIZE_64M; + vram_size = SZ_64M; break; } - jreg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0x99, 0xff); - switch (jreg & 0x03) { + vgacr99 = ast_get_index_reg(ast, AST_IO_VGACRI, 0x99); + switch (vgacr99 & AST_IO_VGACR99_VGAMEM_RSRV_MASK) { case 1: - vram_size -= 0x100000; + vram_size -= SZ_1M; break; case 2: - vram_size -= 0x200000; + vram_size -= SZ_2M; break; case 3: - vram_size -= 0x400000; + vram_size -= SZ_4M; break; } @@ -93,7 +92,6 @@ int ast_mm_init(struct ast_device *ast) ast->vram_base = base; ast->vram_size = vram_size; - ast->vram_fb_available = vram_size; return 0; } |