diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_main.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index fd167008be31..8e8c0310245f 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -142,7 +142,10 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post) ast->chip = AST1100; DRM_INFO("AST 1180 detected\n"); } else { - if (dev->pdev->revision >= 0x30) { + if (dev->pdev->revision >= 0x40) { + ast->chip = AST2500; + DRM_INFO("AST 2500 detected\n"); + } else if (dev->pdev->revision >= 0x30) { ast->chip = AST2400; DRM_INFO("AST 2400 detected\n"); } else if (dev->pdev->revision >= 0x20) { @@ -196,6 +199,9 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post) if (ast->chip == AST2400 && (scu_rev & 0x300) == 0x100) /* ast1400 */ ast->support_wide_screen = true; + if (ast->chip == AST2500 && + scu_rev == 0x100) /* ast2510 */ + ast->support_wide_screen = true; } break; } @@ -291,7 +297,10 @@ static int ast_get_dram_info(struct drm_device *dev) default: ast->dram_bus_width = 16; ast->dram_type = AST_DRAM_1Gx16; - ast->mclk = 396; + if (ast->chip == AST2500) + ast->mclk = 800; + else + ast->mclk = 396; return 0; } @@ -300,7 +309,23 @@ static int ast_get_dram_info(struct drm_device *dev) else ast->dram_bus_width = 32; - if (ast->chip == AST2300 || ast->chip == AST2400) { + if (ast->chip == AST2500) { + switch (mcr_cfg & 0x03) { + case 0: + ast->dram_type = AST_DRAM_1Gx16; + break; + default: + case 1: + ast->dram_type = AST_DRAM_2Gx16; + break; + case 2: + ast->dram_type = AST_DRAM_4Gx16; + break; + case 3: + ast->dram_type = AST_DRAM_8Gx16; + break; + } + } else if (ast->chip == AST2300 || ast->chip == AST2400) { switch (mcr_cfg & 0x03) { case 0: ast->dram_type = AST_DRAM_512Mx16; @@ -523,6 +548,7 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags) ast->chip == AST2200 || ast->chip == AST2300 || ast->chip == AST2400 || + ast->chip == AST2500 || ast->chip == AST1180) { dev->mode_config.max_width = 1920; dev->mode_config.max_height = 2048; |