Hi Am 17.01.22 um 09:36 schrieb KuoHsiang Chou: > The threshold value is used for AST2600 only. > > Signed-off-by: KuoHsiang Chou > --- > drivers/gpu/drm/ast/ast_mode.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c > index 1c7a57a03..7f2e248a6 100644 > --- a/drivers/gpu/drm/ast/ast_mode.c > +++ b/drivers/gpu/drm/ast/ast_mode.c > @@ -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); > -- > 2.27.0 > Merged into drm-misc-next. Thanks for the patch. Best regards Thomas -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev