drm/ast: Create threshold values for AST2600
commit bcc77411e8
upstream.
The threshold value is used for AST2600 only.
Signed-off-by: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220117083643.41493-1-kuohsiang_chou@aspeedtech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -471,7 +471,10 @@ static void ast_set_color_reg(struct ast_private *ast,
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static void ast_set_crtthd_reg(struct ast_private *ast)
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{
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/* Set Threshold */
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if (ast->chip == AST2300 || ast->chip == AST2400 ||
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if (ast->chip == AST2600) {
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ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0xe0);
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ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0xa0);
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} else if (ast->chip == AST2300 || ast->chip == AST2400 ||
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ast->chip == AST2500) {
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ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78);
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ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60);
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