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authorPaolo Bonzini <pbonzini@redhat.com>2024-05-10 10:49:02 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2024-05-10 13:20:18 -0400
commit4232da23d75d173195c6766729e51947b64f83cd (patch)
tree7eb1420b118d452c0b497bf6267ecdfb0a6d5931 /drivers/gpu/drm/ast/ast_dp.c
parentbbe10a5cc0c775e52e91c8b3b6547b59b2054f44 (diff)
parent7b7e584f90bf670d5c6f2b1fff884bf3b972cad4 (diff)
Merge tag 'loongarch-kvm-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.10 1. Add ParaVirt IPI support. 2. Add software breakpoint support. 3. Add mmio trace events support.
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 ebb6d8ebd44e..1e9259416980 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -180,6 +180,7 @@ void ast_dp_set_on_off(struct drm_device *dev, bool on)
{
struct ast_device *ast = to_ast_device(dev);
u8 video_on_off = on;
+ u32 i = 0;
// Video On/Off
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE3, (u8) ~AST_DP_VIDEO_ENABLE, on);
@@ -192,6 +193,8 @@ 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;
}
}
}