On 4/17/19 11:51 PM, Mario Kleiner wrote:
> Helps with debugging issues with low framerate compensation.
>
> Signed-off-by: Mario Kleiner <mario.kleiner...@gmail.com>
> ---
This looks like it'd generate a ton of debug output (the flip stuff is
already a bit too spammy).
But more importantly the DC and module code doesn't touch the debug
prints directly.
DC has the DC_LOG_* defines but the modules shouldn't touch anything
logger related.
Nicholas Kazlauskas
> .../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);
> }
> }
>
>
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