Commit bcc77411 authored by KuoHsiang Chou's avatar KuoHsiang Chou Committed by Thomas Zimmermann
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drm/ast: Create threshold values for AST2600 



The threshold value is used for AST2600 only.

Signed-off-by: default avatarKuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220117083643.41493-1-kuohsiang_chou@aspeedtech.com
parent 028a73e1

drivers/gpu/drm/ast/ast_mode.c

+4 −1
Original line number Diff line number Diff line
@@ -471,7 +471,10 @@ static void ast_set_color_reg(struct ast_private *ast, 
static void ast_set_crtthd_reg(struct ast_private *ast)

{

	/* Set Threshold */

	if (ast->chip == AST2300 || ast->chip == AST2400 ||

	if (ast->chip == AST2600) {

		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0xe0);

		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0xa0);

	} else if (ast->chip == AST2300 || ast->chip == AST2400 ||

	    ast->chip == AST2500) {

		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78);

		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60);