Helps with debugging issues with low framerate compensation.
Signed-off-by: Mario Kleiner <mario.kleiner...@gmail.com>
---
.../amd/display/modules/freesync/freesync.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 3d867e34f8b3..71274683da04 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -1041,6 +1041,11 @@ void mod_freesync_handle_preflip(struct mod_freesync
*mod_freesync,
average_render_time_in_us += last_render_time_in_us;
average_render_time_in_us /= DC_PLANE_UPDATE_TIMES_MAX;
+ DRM_DEBUG_DRIVER("vrr flip: avg %d us, last %d us, max %d us\n",
+ average_render_time_in_us,
+ last_render_time_in_us,
+ in_out_vrr->max_duration_in_us);
+
if (in_out_vrr->btr.btr_enabled) {
apply_below_the_range(core_freesync,
stream,
@@ -1053,6 +1058,10 @@ void mod_freesync_handle_preflip(struct mod_freesync
*mod_freesync,
in_out_vrr);
}
+ DRM_DEBUG_DRIVER("vrr btr_active:%d - num %d of dur %d us\n",
+ in_out_vrr->btr.btr_active,
+ in_out_vrr->btr.frames_to_insert,
+ in_out_vrr->btr.inserted_duration_in_us);
}
}
@@ -1090,11 +1099,17 @@ void mod_freesync_handle_v_update(struct mod_freesync
*mod_freesync,
in_out_vrr->btr.inserted_duration_in_us);
in_out_vrr->adjust.v_total_max =
in_out_vrr->adjust.v_total_min;
+ DRM_DEBUG_DRIVER("btr start: c=%d, vtotal=%d\n",
+ in_out_vrr->btr.frames_to_insert,
+ in_out_vrr->adjust.v_total_min);
}
if (in_out_vrr->btr.frame_counter > 0)
in_out_vrr->btr.frame_counter--;
+ DRM_DEBUG_DRIVER("btr upd: count %d\n",
+ in_out_vrr->btr.frame_counter);
+
/* Restore FreeSync */
if (in_out_vrr->btr.frame_counter == 0) {
in_out_vrr->adjust.v_total_min =
@@ -1103,6 +1118,9 @@ void mod_freesync_handle_v_update(struct mod_freesync
*mod_freesync,
in_out_vrr->adjust.v_total_max =
calc_v_total_from_refresh(stream,
in_out_vrr->min_refresh_in_uhz);
+ DRM_DEBUG_DRIVER("btr end: vtotal_min=%d/max=%d\n",
+ in_out_vrr->adjust.v_total_min,
+ in_out_vrr->adjust.v_total_max);
}
}
--
2.20.1
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