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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
commit68b7faa497774b94377d3a8215d917bd006eae0b (patch)
treebab1434b47a284ca2893dcc0b908d1b95d982e7c /drivers/gpu/drm/ast/ast_dp.c
parentAdding upstream version 6.1.85. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.90.upstream/6.1.90upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/ast/ast_dp.c')
-rw-r--r--drivers/gpu/drm/ast/ast_dp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index 564838603..a4a23b962 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -190,6 +190,7 @@ void ast_dp_set_on_off(struct drm_device *dev, bool on)
{
struct ast_private *ast = to_ast_private(dev);
u8 video_on_off = on;
+ u32 i = 0;
// Video On/Off
ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xE3, (u8) ~AST_DP_VIDEO_ENABLE, on);
@@ -202,6 +203,8 @@ void ast_dp_set_on_off(struct drm_device *dev, bool on)
ASTDP_MIRROR_VIDEO_ENABLE) != video_on_off) {
// wait 1 ms
mdelay(1);
+ if (++i > 200)
+ break;
}
}
}