From 1be3dd63ab5702f33c8cfcab726655e092d45358 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 13 Aug 2024 07:04:54 +0200 Subject: Merging upstream version 6.10.4. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/ast/ast_dp.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/drm/ast/ast_dp.c') 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) { -- cgit v1.2.3