diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_main.c | 67 |
1 files changed, 41 insertions, 26 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index d836f2a4f9f3..bc37c65305d4 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -68,11 +68,33 @@ static void ast_detect_widescreen(struct ast_device *ast) static void ast_detect_tx_chip(struct ast_device *ast, bool need_post) { + static const char * const info_str[] = { + "analog VGA", + "Sil164 TMDS transmitter", + "DP501 DisplayPort transmitter", + "ASPEED DisplayPort transmitter", + }; + struct drm_device *dev = &ast->base; - u8 jreg; + u8 jreg, vgacrd1; + + /* + * Several of the listed TX chips are not explicitly supported + * by the ast driver. If these exist in real-world devices, they + * are most likely reported as VGA or SIL164 outputs. We warn here + * to get bug reports for these devices. If none come in for some + * time, we can begin to fail device probing on these values. + */ + vgacrd1 = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd1, AST_IO_VGACRD1_TX_TYPE_MASK); + drm_WARN(dev, vgacrd1 == AST_IO_VGACRD1_TX_ITE66121_VBIOS, + "ITE IT66121 detected, 0x%x, Gen%lu\n", vgacrd1, AST_GEN(ast)); + drm_WARN(dev, vgacrd1 == AST_IO_VGACRD1_TX_CH7003_VBIOS, + "Chrontel CH7003 detected, 0x%x, Gen%lu\n", vgacrd1, AST_GEN(ast)); + drm_WARN(dev, vgacrd1 == AST_IO_VGACRD1_TX_ANX9807_VBIOS, + "Analogix ANX9807 detected, 0x%x, Gen%lu\n", vgacrd1, AST_GEN(ast)); /* Check 3rd Tx option (digital output afaik) */ - ast->tx_chip_types |= AST_TX_NONE_BIT; + ast->tx_chip = AST_TX_NONE; /* * VGACRA3 Enhanced Color Mode Register, check if DVO is already @@ -85,7 +107,7 @@ static void ast_detect_tx_chip(struct ast_device *ast, bool need_post) if (!need_post) { jreg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xa3, 0xff); if (jreg & 0x80) - ast->tx_chip_types = AST_TX_SIL164_BIT; + ast->tx_chip = AST_TX_SIL164; } if (IS_AST_GEN4(ast) || IS_AST_GEN5(ast) || IS_AST_GEN6(ast)) { @@ -94,49 +116,42 @@ static void ast_detect_tx_chip(struct ast_device *ast, bool need_post) * the SOC scratch register #1 bits 11:8 (interestingly marked * as "reserved" in the spec) */ - jreg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd1, 0xff); + jreg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd1, + AST_IO_VGACRD1_TX_TYPE_MASK); switch (jreg) { - case 0x04: - ast->tx_chip_types = AST_TX_SIL164_BIT; + case AST_IO_VGACRD1_TX_SIL164_VBIOS: + ast->tx_chip = AST_TX_SIL164; break; - case 0x08: + case AST_IO_VGACRD1_TX_DP501_VBIOS: ast->dp501_fw_addr = drmm_kzalloc(dev, 32*1024, GFP_KERNEL); if (ast->dp501_fw_addr) { /* backup firmware */ - if (ast_backup_fw(dev, ast->dp501_fw_addr, 32*1024)) { + if (ast_backup_fw(ast, ast->dp501_fw_addr, 32*1024)) { drmm_kfree(dev, ast->dp501_fw_addr); ast->dp501_fw_addr = NULL; } } fallthrough; - case 0x0c: - ast->tx_chip_types = AST_TX_DP501_BIT; + case AST_IO_VGACRD1_TX_FW_EMBEDDED_FW: + ast->tx_chip = AST_TX_DP501; } } else if (IS_AST_GEN7(ast)) { - if (ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xD1, TX_TYPE_MASK) == - ASTDP_DPMCU_TX) { + if (ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd1, AST_IO_VGACRD1_TX_TYPE_MASK) == + AST_IO_VGACRD1_TX_ASTDP) { int ret = ast_dp_launch(ast); if (!ret) - ast->tx_chip_types = AST_TX_ASTDP_BIT; + ast->tx_chip = AST_TX_ASTDP; } } - /* Print stuff for diagnostic purposes */ - if (ast->tx_chip_types & AST_TX_NONE_BIT) - drm_info(dev, "Using analog VGA\n"); - if (ast->tx_chip_types & AST_TX_SIL164_BIT) - drm_info(dev, "Using Sil164 TMDS transmitter\n"); - if (ast->tx_chip_types & AST_TX_DP501_BIT) - drm_info(dev, "Using DP501 DisplayPort transmitter\n"); - if (ast->tx_chip_types & AST_TX_ASTDP_BIT) - drm_info(dev, "Using ASPEED DisplayPort transmitter\n"); + drm_info(dev, "Using %s\n", info_str[ast->tx_chip]); } -static int ast_get_dram_info(struct drm_device *dev) +static int ast_get_dram_info(struct ast_device *ast) { + struct drm_device *dev = &ast->base; struct device_node *np = dev->dev->of_node; - struct ast_device *ast = to_ast_device(dev); uint32_t mcr_cfg, mcr_scu_mpll, mcr_scu_strap; uint32_t denum, num, div, ref_pll, dsel; @@ -278,7 +293,7 @@ struct drm_device *ast_device_create(struct pci_dev *pdev, ast_detect_widescreen(ast); ast_detect_tx_chip(ast, need_post); - ret = ast_get_dram_info(dev); + ret = ast_get_dram_info(ast); if (ret) return ERR_PTR(ret); @@ -286,7 +301,7 @@ struct drm_device *ast_device_create(struct pci_dev *pdev, ast->mclk, ast->dram_type, ast->dram_bus_width); if (need_post) - ast_post_gpu(dev); + ast_post_gpu(ast); ret = ast_mm_init(ast); if (ret) |