diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_main.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 6e964a0714b4..44b9b5f659fc 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -49,14 +49,31 @@ static bool __ast_2100_detect_wsxga_p(struct ast_device *ast) return false; } +/* Try to detect WUXGA on Gen2+ */ +static bool __ast_2100_detect_wuxga(struct ast_device *ast) +{ + u8 vgacrd1; + + if (ast->support_fullhd) { + vgacrd1 = ast_get_index_reg(ast, AST_IO_VGACRI, 0xd1); + if (!(vgacrd1 & AST_IO_VGACRD1_SUPPORTS_WUXGA)) + return true; + } + + return false; +} + static void ast_detect_widescreen(struct ast_device *ast) { ast->support_wsxga_p = false; ast->support_fullhd = false; + ast->support_wuxga = false; if (AST_GEN(ast) >= 7) { ast->support_wsxga_p = true; ast->support_fullhd = true; + if (__ast_2100_detect_wuxga(ast)) + ast->support_wuxga = true; } else if (AST_GEN(ast) >= 6) { if (__ast_2100_detect_wsxga_p(ast)) ast->support_wsxga_p = true; @@ -64,6 +81,8 @@ static void ast_detect_widescreen(struct ast_device *ast) ast->support_wsxga_p = true; if (ast->support_wsxga_p) ast->support_fullhd = true; + if (__ast_2100_detect_wuxga(ast)) + ast->support_wuxga = true; } else if (AST_GEN(ast) >= 5) { if (__ast_2100_detect_wsxga_p(ast)) ast->support_wsxga_p = true; @@ -71,6 +90,8 @@ static void ast_detect_widescreen(struct ast_device *ast) ast->support_wsxga_p = true; if (ast->support_wsxga_p) ast->support_fullhd = true; + if (__ast_2100_detect_wuxga(ast)) + ast->support_wuxga = true; } else if (AST_GEN(ast) >= 4) { if (__ast_2100_detect_wsxga_p(ast)) ast->support_wsxga_p = true; @@ -78,6 +99,8 @@ static void ast_detect_widescreen(struct ast_device *ast) ast->support_wsxga_p = true; if (ast->support_wsxga_p) ast->support_fullhd = true; + if (__ast_2100_detect_wuxga(ast)) + ast->support_wuxga = true; } else if (AST_GEN(ast) >= 3) { if (__ast_2100_detect_wsxga_p(ast)) ast->support_wsxga_p = true; @@ -85,6 +108,8 @@ static void ast_detect_widescreen(struct ast_device *ast) if (ast->chip == AST2200) ast->support_fullhd = true; } + if (__ast_2100_detect_wuxga(ast)) + ast->support_wuxga = true; } else if (AST_GEN(ast) >= 2) { if (__ast_2100_detect_wsxga_p(ast)) ast->support_wsxga_p = true; @@ -92,6 +117,8 @@ static void ast_detect_widescreen(struct ast_device *ast) if (ast->chip == AST2100) ast->support_fullhd = true; } + if (__ast_2100_detect_wuxga(ast)) + ast->support_wuxga = true; } } |