From e6e7a4b15efe0a3f43e52d27355d0383c0391fcd Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Thu, 10 Sep 2026 22:42:36 +0300 Subject: [PATCH] drm/i915/display: debug log about fence wait errors MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Currently there's no indication if fence wait failed. Debug log about it. v2: Rebase, no timeout anymore Cc: Ville Syrjälä Cc: Maarten Lankhorst Reviewed-by: Suraj Kandpal Link: https://patch.msgid.link/6b670a146bfcfd0cc2c7641cc8d72df96e356ef9.1789069102.git.jani.nikula@intel.com Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_display.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 983e84bca1ee..edaa29944d23 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7290,6 +7290,7 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state) static void intel_atomic_commit_fence_wait(struct intel_atomic_state *state) { + struct intel_display *display = to_intel_display(state); struct drm_plane *plane; struct drm_plane_state *new_plane_state; long ret; @@ -7300,8 +7301,11 @@ static void intel_atomic_commit_fence_wait(struct intel_atomic_state *state) continue; ret = dma_fence_wait(new_plane_state->fence, false); - if (ret < 0) + if (ret < 0) { + drm_dbg_kms(display->drm, "[PLANE:%d:%s] fence wait failed (%pe)\n", + plane->base.id, plane->name, ERR_PTR(ret)); break; + } dma_fence_put(new_plane_state->fence); new_plane_state->fence = NULL;