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drm/ast: Remove unused code paths for AST 1180

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The ast driver contains code paths for AST 1180 chips. The chip is not
supported and the rsp code has never been tested. Simplify the driver by
removing the AST 1180 code.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200617080340.29584-2-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
2020-06-17 10:03:37 +02:00
parent b3bfcdf8a3
commit 05f13f5b59
5 changed files with 43 additions and 69 deletions
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10
drivers/gpu/drm/ast/ast_post.c
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@@ -58,13 +58,9 @@ bool ast_is_vga_enabled(struct drm_device *dev)
struct ast_private *ast = dev->dev_private;
u8 ch;
if (ast->chip == AST1180) {
/* TODO 1180 */
} else {
ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
return !!(ch & 0x01);
}
return false;
ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
return !!(ch & 0x01);
}
static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };