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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-06-21 15:53:46 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-06-27 15:26:38 +0300 |
| commit | 52c29330ebdd592483a98f5e46c60af83084cc7f (patch) | |
| tree | 5f90c755d9eae71cd1f42963b4dbce2063487eb7 /drivers/gpu/drm/ast | |
| parent | 86d86d1ba24b3bc16706d4b72735e54c14ffc982 (diff) | |
| download | linux-52c29330ebdd592483a98f5e46c60af83084cc7f.tar.xz | |
drm/ast: Detect AST 2510 model
Detect the 6th-generation AST 2510. Allows to simplify the code
for widescreen support.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Tested-by: Jocelyn Falempe <jfalempe@redhat.com> # AST2600
Link: https://patchwork.freedesktop.org/patch/msgid/20230621130032.3568-13-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/ast')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/ast/ast_main.c | 14 |
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 876ebbd3b60e..3f6e0c984523 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -75,7 +75,7 @@ enum ast_chip { AST1250 = __AST_CHIP(5, 2), // unused /* 6th gen */ AST2500 = __AST_CHIP(6, 0), - AST2510 = __AST_CHIP(6, 1), // unused + AST2510 = __AST_CHIP(6, 1), AST2520 = __AST_CHIP(6, 2), // unused /* 7th gen */ AST2600 = __AST_CHIP(7, 0), diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index cbfe93c7929d..f2f8a054c52c 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -163,8 +163,15 @@ static int ast_detect_chip(struct drm_device *dev, bool need_post, u32 scu_rev) ast->chip = AST2600; drm_info(dev, "AST 2600 detected\n"); } else if (pdev->revision >= 0x40) { - ast->chip = AST2500; - drm_info(dev, "AST 2500 detected\n"); + switch (scu_rev & 0x300) { + case 0x0100: + ast->chip = AST2510; + drm_info(dev, "AST 2510 detected\n"); + break; + default: + ast->chip = AST2500; + drm_info(dev, "AST 2500 detected\n"); + } } else if (pdev->revision >= 0x30) { switch (scu_rev & 0x300) { case 0x0100: @@ -227,8 +234,7 @@ static int ast_detect_chip(struct drm_device *dev, bool need_post, u32 scu_rev) ast->support_wide_screen = true; if (ast->chip == AST1400) ast->support_wide_screen = true; - if (ast->chip == AST2500 && - scu_rev == 0x100) /* ast2510 */ + if (ast->chip == AST2510) ast->support_wide_screen = true; if (IS_AST_GEN7(ast)) ast->support_wide_screen = true; |