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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-13 05:04:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-13 05:04:54 +0000
commit1be3dd63ab5702f33c8cfcab726655e092d45358 (patch)
tree180b6c6e5339f3bf576e0e315951497978294b06 /drivers/gpu/drm/ast/ast_dp.c
parentReleasing progress-linux version 6.10.3-1~progress7.99u1. (diff)
downloadlinux-1be3dd63ab5702f33c8cfcab726655e092d45358.tar.xz
linux-1be3dd63ab5702f33c8cfcab726655e092d45358.zip
Merging upstream version 6.10.4.
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.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index 1e92594169..e6c7f0d64e 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -158,7 +158,14 @@ void ast_dp_launch(struct drm_device *dev)
ASTDP_HOST_EDID_READ_DONE);
}
+bool ast_dp_power_is_on(struct ast_device *ast)
+{
+ u8 vgacre3;
+
+ vgacre3 = ast_get_index_reg(ast, AST_IO_VGACRI, 0xe3);
+ return !(vgacre3 & AST_DP_PHY_SLEEP);
+}
void ast_dp_power_on_off(struct drm_device *dev, bool on)
{