diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vblank.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c index 46d6db5fed11..c15234c1d96e 100644 --- a/drivers/gpu/drm/i915/display/intel_vblank.c +++ b/drivers/gpu/drm/i915/display/intel_vblank.c @@ -3,6 +3,8 @@ * Copyright © 2022-2023 Intel Corporation */ +#include <linux/iopoll.h> + #include <drm/drm_vblank.h> #include "i915_drv.h" @@ -493,9 +495,14 @@ static void wait_for_pipe_scanline_moving(struct intel_crtc *crtc, bool state) { struct intel_display *display = to_intel_display(crtc); enum pipe pipe = crtc->pipe; + bool is_moving; + int ret; /* Wait for the display line to settle/start moving */ - if (wait_for(pipe_scanline_is_moving(display, pipe) == state, 100)) + ret = poll_timeout_us(is_moving = pipe_scanline_is_moving(display, pipe), + is_moving == state, + 500, 100 * 1000, false); + if (ret) drm_err(display->drm, "pipe %c scanline %s wait timed out\n", pipe_name(pipe), str_on_off(state)); |