moonjuice/kernel_arpi
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/ast: Create threshold values for AST2600

Browse Source 
commit bcc77411e8a65929655cef7b63a36000724cdc4b 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>
This commit is contained in:
KuoHsiang Chou
2022-01-17 16:36:43 +08:00
committed by Greg Kroah-Hartman
parent 82a2059a11
commit 32ca45300f
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/ast/ast_mode.c
View File

@@ -474,7 +474,10 @@ static void ast_set_color_reg(struct ast_private *ast,
static void ast_set_crtthd_reg(struct ast_private *ast) static void ast_set_crtthd_reg(struct ast_private *ast)
{ {
/* Set Threshold */ /* 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->chip == AST2500) {
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78);
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60);