From 15ce655892c4a434e3044a2457eac9550f84b8c4 Mon Sep 17 00:00:00 2001 From: Roman Li Date: Mon, 30 Sep 2024 18:07:16 -0400 Subject: [PATCH] drm/amd/display: Increase idle worker HPD detection time [ Upstream commit 60612f75992d96955fb7154468c58d5d168cf1ab ] [Why] Idle worker thread waits HPD_DETECTION_TIME for HPD processing complete. Some displays require longer time for that. [How] Increase HPD_DETECTION_TIME to 100ms. Reviewed-by: Sun peng Li Signed-off-by: Roman Li Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Stable-dep-of: a88b19b13fb4 ("drm/amd/display: Reduce HPD Detection Interval for IPS") Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c index df3d124c4d7a1..4593c158cc156 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c @@ -36,7 +36,7 @@ #include "amdgpu_dm_debugfs.h" #define HPD_DETECTION_PERIOD_uS 5000000 -#define HPD_DETECTION_TIME_uS 1000 +#define HPD_DETECTION_TIME_uS 100000 void amdgpu_dm_crtc_handle_vblank(struct amdgpu_crtc *acrtc) { -- 2.47.2