Re: [PATCH] drm/ast: Create threshold values for AST2600

From: Thomas Zimmermann
Date: Wed Jan 19 2022 - 10:54:51 EST


Hi

Am 17.01.22 um 09:36 schrieb KuoHsiang Chou:
The threshold value is used for AST2600 only.

Signed-off-by: KuoHsiang Chou <kuohsiang_chou@xxxxxxxxxxxxxx>
---
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

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