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From: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
To: <tzimmermann@suse.de>, <dri-devel@lists.freedesktop.org>,
	<linux-kernel@vger.kernel.org>
Cc: <airlied@redhat.com>, <airlied@linux.ie>, <daniel@ffwll.ch>,
	<kuohsiang_chou@aspeedtech.com>, <arc_sung@aspeedtech.com>,
	<tommy_huang@aspeedtech.com>, <hungju_huang@aspeedtech.com>,
	<luke_chen@aspeedtech.com>
Subject: [PATCH] drm/ast: Create threshold values for AST2600
Date: Mon, 17 Jan 2022 16:36:43 +0800	[thread overview]
Message-ID: <20220117083643.41493-1-kuohsiang_chou@aspeedtech.com> (raw)

The threshold value is used for AST2600 only.

Signed-off-by: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
---
 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


WARNING: multiple messages have this Message-ID (diff)
From: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
To: <tzimmermann@suse.de>, <dri-devel@lists.freedesktop.org>,
	<linux-kernel@vger.kernel.org>
Cc: hungju_huang@aspeedtech.com, airlied@linux.ie,
	tommy_huang@aspeedtech.com, airlied@redhat.com,
	arc_sung@aspeedtech.com, luke_chen@aspeedtech.com
Subject: [PATCH] drm/ast: Create threshold values for AST2600
Date: Mon, 17 Jan 2022 16:36:43 +0800	[thread overview]
Message-ID: <20220117083643.41493-1-kuohsiang_chou@aspeedtech.com> (raw)

The threshold value is used for AST2600 only.

Signed-off-by: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
---
 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


             reply	other threads:[~2022-01-17  8:37 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-17  8:36 KuoHsiang Chou [this message]
2022-01-17  8:36 ` [PATCH] drm/ast: Create threshold values for AST2600 KuoHsiang Chou
2022-01-19 15:54 ` Thomas Zimmermann

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