[PATCH v1 1/2] drm/vblank: use drm_* functions for logging
Sam Ravnborg
sam at ravnborg.org
Sun May 31 20:35:42 UTC 2020
Hi Thomas.
On Mon, May 25, 2020 at 01:07:29PM +0200, Thomas Zimmermann wrote:
> Hi
>
> Am 23.05.20 um 09:12 schrieb Sam Ravnborg:
> > Replace all DRM_* logging functions with their drm_ counterparts.
> > checkpatch emits a few "quoted string split across lines",
> > which is left as is. The strings was already split in the original code
> > base and it would not increase readability to fix them.
> >
> > Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
> > Cc: Lyude Paul <lyude at redhat.com>
> > Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> > Cc: Maxime Ripard <mripard at kernel.org>
> > Cc: Thomas Zimmermann <tzimmermann at suse.de>
> > Cc: David Airlie <airlied at linux.ie>
> > Cc: Daniel Vetter <daniel at ffwll.ch>
> > ---
> > drivers/gpu/drm/drm_vblank.c | 130 ++++++++++++++++++++---------------
> > 1 file changed, 73 insertions(+), 57 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
> > index 8837bebc7e13..631d7d60e72f 100644
> > --- a/drivers/gpu/drm/drm_vblank.c
> > +++ b/drivers/gpu/drm/drm_vblank.c
> > @@ -311,15 +311,15 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe,
> > * frame/field duration.
> > */
> >
> > - DRM_DEBUG_VBL("crtc %u: Calculating number of vblanks."
> > - " diff_ns = %lld, framedur_ns = %d)\n",
> > - pipe, (long long) diff_ns, framedur_ns);
> > + drm_dbg_vbl(dev, "crtc %u: Calculating number of vblanks."
> > + " diff_ns = %lld, framedur_ns = %d)\n",
> > + pipe, (long long)diff_ns, framedur_ns);
> >
> > diff = DIV_ROUND_CLOSEST_ULL(diff_ns, framedur_ns);
> >
> > if (diff == 0 && in_vblank_irq)
> > - DRM_DEBUG_VBL("crtc %u: Redundant vblirq ignored\n",
> > - pipe);
> > + drm_dbg_vbl(dev, "crtc %u: Redundant vblirq ignored\n",
> > + pipe);
> > } else {
> > /* some kind of default for drivers w/o accurate vbl timestamping */
> > diff = in_vblank_irq ? 1 : 0;
> > @@ -335,15 +335,16 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe,
> > * random large forward jumps of the software vblank counter.
> > */
> > if (diff > 1 && (vblank->inmodeset & 0x2)) {
> > - DRM_DEBUG_VBL("clamping vblank bump to 1 on crtc %u: diffr=%u"
> > - " due to pre-modeset.\n", pipe, diff);
> > + drm_dbg_vbl(dev,
> > + "clamping vblank bump to 1 on crtc %u: diffr=%u"
> > + " due to pre-modeset.\n", pipe, diff);
> > diff = 1;
> > }
> >
> > - DRM_DEBUG_VBL("updating vblank count on crtc %u:"
> > - " current=%llu, diff=%u, hw=%u hw_last=%u\n",
> > - pipe, (unsigned long long)atomic64_read(&vblank->count),
> > - diff, cur_vblank, vblank->last);
> > + drm_dbg_vbl(dev, "updating vblank count on crtc %u:"
> > + " current=%llu, diff=%u, hw=%u hw_last=%u\n",
> > + pipe, (unsigned long long)atomic64_read(&vblank->count),
> > + diff, cur_vblank, vblank->last);
> >
> > if (diff == 0) {
> > WARN_ON_ONCE(cur_vblank != vblank->last);
> > @@ -483,7 +484,7 @@ static void vblank_disable_fn(struct timer_list *t)
> >
> > spin_lock_irqsave(&dev->vbl_lock, irqflags);
> > if (atomic_read(&vblank->refcount) == 0 && vblank->enabled) {
> > - DRM_DEBUG("disabling vblank on crtc %u\n", pipe);
> > + drm_dbg_core(dev, "disabling vblank on crtc %u\n", pipe);
> > drm_vblank_disable_and_save(dev, pipe);
> > }
> > spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
> > @@ -628,18 +629,19 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc,
> > if (mode->flags & DRM_MODE_FLAG_INTERLACE)
> > framedur_ns /= 2;
> > } else
>
> In cases where the if branch has braces, the else branch should have
> them too. Might be a good opportunity to fix the coding style.
Good catch. Added braces while applying.
In other words - both patches applied to drm-misc-next.
Sam
>
> Best regards
> Thomas
>
>
> > - DRM_ERROR("crtc %u: Can't calculate constants, dotclock = 0!\n",
> > - crtc->base.id);
> > + drm_err(dev, "crtc %u: Can't calculate constants, dotclock = 0!\n",
> > + crtc->base.id);
> >
> > vblank->linedur_ns = linedur_ns;
> > vblank->framedur_ns = framedur_ns;
> > vblank->hwmode = *mode;
> >
> > - DRM_DEBUG("crtc %u: hwmode: htotal %d, vtotal %d, vdisplay %d\n",
> > - crtc->base.id, mode->crtc_htotal,
> > - mode->crtc_vtotal, mode->crtc_vdisplay);
> > - DRM_DEBUG("crtc %u: clock %d kHz framedur %d linedur %d\n",
> > - crtc->base.id, dotclock, framedur_ns, linedur_ns);
> > + drm_dbg_core(dev,
> > + "crtc %u: hwmode: htotal %d, vtotal %d, vdisplay %d\n",
> > + crtc->base.id, mode->crtc_htotal,
> > + mode->crtc_vtotal, mode->crtc_vdisplay);
> > + drm_dbg_core(dev, "crtc %u: clock %d kHz framedur %d linedur %d\n",
> > + crtc->base.id, dotclock, framedur_ns, linedur_ns);
> > }
> > EXPORT_SYMBOL(drm_calc_timestamping_constants);
> >
> > @@ -692,13 +694,13 @@ drm_crtc_vblank_helper_get_vblank_timestamp_internal(
> > int delta_ns, duration_ns;
> >
> > if (pipe >= dev->num_crtcs) {
> > - DRM_ERROR("Invalid crtc %u\n", pipe);
> > + drm_err(dev, "Invalid crtc %u\n", pipe);
> > return false;
> > }
> >
> > /* Scanout position query not supported? Should not happen. */
> > if (!get_scanout_position) {
> > - DRM_ERROR("Called from CRTC w/o get_scanout_position()!?\n");
> > + drm_err(dev, "Called from CRTC w/o get_scanout_position()!?\n");
> > return false;
> > }
> >
> > @@ -711,7 +713,8 @@ drm_crtc_vblank_helper_get_vblank_timestamp_internal(
> > * Happens during initial modesetting of a crtc.
> > */
> > if (mode->crtc_clock == 0) {
> > - DRM_DEBUG("crtc %u: Noop due to uninitialized mode.\n", pipe);
> > + drm_dbg_core(dev, "crtc %u: Noop due to uninitialized mode.\n",
> > + pipe);
> > WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev));
> > return false;
> > }
> > @@ -735,8 +738,9 @@ drm_crtc_vblank_helper_get_vblank_timestamp_internal(
> >
> > /* Return as no-op if scanout query unsupported or failed. */
> > if (!vbl_status) {
> > - DRM_DEBUG("crtc %u : scanoutpos query failed.\n",
> > - pipe);
> > + drm_dbg_core(dev,
> > + "crtc %u : scanoutpos query failed.\n",
> > + pipe);
> > return false;
> > }
> >
> > @@ -750,8 +754,9 @@ drm_crtc_vblank_helper_get_vblank_timestamp_internal(
> >
> > /* Noisy system timing? */
> > if (i == DRM_TIMESTAMP_MAXRETRIES) {
> > - DRM_DEBUG("crtc %u: Noisy timestamp %d us > %d us [%d reps].\n",
> > - pipe, duration_ns/1000, *max_error/1000, i);
> > + drm_dbg_core(dev,
> > + "crtc %u: Noisy timestamp %d us > %d us [%d reps].\n",
> > + pipe, duration_ns / 1000, *max_error / 1000, i);
> > }
> >
> > /* Return upper bound of timestamp precision error. */
> > @@ -775,11 +780,12 @@ drm_crtc_vblank_helper_get_vblank_timestamp_internal(
> > ts_etime = ktime_to_timespec64(etime);
> > ts_vblank_time = ktime_to_timespec64(*vblank_time);
> >
> > - DRM_DEBUG_VBL("crtc %u : v p(%d,%d)@ %lld.%06ld -> %lld.%06ld [e %d us, %d rep]\n",
> > - pipe, hpos, vpos,
> > - (u64)ts_etime.tv_sec, ts_etime.tv_nsec / 1000,
> > - (u64)ts_vblank_time.tv_sec, ts_vblank_time.tv_nsec / 1000,
> > - duration_ns / 1000, i);
> > + drm_dbg_vbl(dev,
> > + "crtc %u : v p(%d,%d)@ %lld.%06ld -> %lld.%06ld [e %d us, %d rep]\n",
> > + pipe, hpos, vpos,
> > + (u64)ts_etime.tv_sec, ts_etime.tv_nsec / 1000,
> > + (u64)ts_vblank_time.tv_sec, ts_vblank_time.tv_nsec / 1000,
> > + duration_ns / 1000, i);
> >
> > return true;
> > }
> > @@ -1111,7 +1117,8 @@ static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe)
> > * prevent double-accounting of same vblank interval.
> > */
> > ret = __enable_vblank(dev, pipe);
> > - DRM_DEBUG("enabling vblank on crtc %u, ret: %d\n", pipe, ret);
> > + drm_dbg_core(dev, "enabling vblank on crtc %u, ret: %d\n",
> > + pipe, ret);
> > if (ret) {
> > atomic_dec(&vblank->refcount);
> > } else {
> > @@ -1286,8 +1293,8 @@ void drm_crtc_vblank_off(struct drm_crtc *crtc)
> > spin_lock_irqsave(&dev->event_lock, irqflags);
> >
> > spin_lock(&dev->vbl_lock);
> > - DRM_DEBUG_VBL("crtc %d, vblank enabled %d, inmodeset %d\n",
> > - pipe, vblank->enabled, vblank->inmodeset);
> > + drm_dbg_vbl(dev, "crtc %d, vblank enabled %d, inmodeset %d\n",
> > + pipe, vblank->enabled, vblank->inmodeset);
> >
> > /* Avoid redundant vblank disables without previous
> > * drm_crtc_vblank_on(). */
> > @@ -1312,9 +1319,9 @@ void drm_crtc_vblank_off(struct drm_crtc *crtc)
> > list_for_each_entry_safe(e, t, &dev->vblank_event_list, base.link) {
> > if (e->pipe != pipe)
> > continue;
> > - DRM_DEBUG("Sending premature vblank event on disable: "
> > - "wanted %llu, current %llu\n",
> > - e->sequence, seq);
> > + drm_dbg_core(dev, "Sending premature vblank event on disable: "
> > + "wanted %llu, current %llu\n",
> > + e->sequence, seq);
> > list_del(&e->base.link);
> > drm_vblank_put(dev, pipe);
> > send_vblank_event(dev, e, seq, now);
> > @@ -1413,8 +1420,8 @@ void drm_crtc_vblank_on(struct drm_crtc *crtc)
> > return;
> >
> > spin_lock_irqsave(&dev->vbl_lock, irqflags);
> > - DRM_DEBUG_VBL("crtc %d, vblank enabled %d, inmodeset %d\n",
> > - pipe, vblank->enabled, vblank->inmodeset);
> > + drm_dbg_vbl(dev, "crtc %d, vblank enabled %d, inmodeset %d\n",
> > + pipe, vblank->enabled, vblank->inmodeset);
> >
> > /* Drop our private "prevent drm_vblank_get" refcount */
> > if (vblank->inmodeset) {
> > @@ -1477,8 +1484,9 @@ void drm_vblank_restore(struct drm_device *dev, unsigned int pipe)
> > diff = DIV_ROUND_CLOSEST_ULL(diff_ns, framedur_ns);
> >
> >
> > - DRM_DEBUG_VBL("missed %d vblanks in %lld ns, frame duration=%d ns, hw_diff=%d\n",
> > - diff, diff_ns, framedur_ns, cur_vblank - vblank->last);
> > + drm_dbg_vbl(dev,
> > + "missed %d vblanks in %lld ns, frame duration=%d ns, hw_diff=%d\n",
> > + diff, diff_ns, framedur_ns, cur_vblank - vblank->last);
> > store_vblank(dev, pipe, diff, t_vblank, cur_vblank);
> > }
> > EXPORT_SYMBOL(drm_vblank_restore);
> > @@ -1637,8 +1645,8 @@ static int drm_queue_vblank_event(struct drm_device *dev, unsigned int pipe,
> >
> > seq = drm_vblank_count_and_time(dev, pipe, &now);
> >
> > - DRM_DEBUG("event on vblank count %llu, current %llu, crtc %u\n",
> > - req_seq, seq, pipe);
> > + drm_dbg_core(dev, "event on vblank count %llu, current %llu, crtc %u\n",
> > + req_seq, seq, pipe);
> >
> > trace_drm_vblank_event_queued(file_priv, pipe, req_seq);
> >
> > @@ -1729,10 +1737,11 @@ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
> > if (vblwait->request.type &
> > ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK |
> > _DRM_VBLANK_HIGH_CRTC_MASK)) {
> > - DRM_DEBUG("Unsupported type value 0x%x, supported mask 0x%x\n",
> > - vblwait->request.type,
> > - (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK |
> > - _DRM_VBLANK_HIGH_CRTC_MASK));
> > + drm_dbg_core(dev,
> > + "Unsupported type value 0x%x, supported mask 0x%x\n",
> > + vblwait->request.type,
> > + (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK |
> > + _DRM_VBLANK_HIGH_CRTC_MASK));
> > return -EINVAL;
> > }
> >
> > @@ -1775,7 +1784,9 @@ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
> >
> > ret = drm_vblank_get(dev, pipe);
> > if (ret) {
> > - DRM_DEBUG("crtc %d failed to acquire vblank counter, %d\n", pipe, ret);
> > + drm_dbg_core(dev,
> > + "crtc %d failed to acquire vblank counter, %d\n",
> > + pipe, ret);
> > return ret;
> > }
> > seq = drm_vblank_count(dev, pipe);
> > @@ -1811,8 +1822,8 @@ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
> > if (req_seq != seq) {
> > int wait;
> >
> > - DRM_DEBUG("waiting on vblank count %llu, crtc %u\n",
> > - req_seq, pipe);
> > + drm_dbg_core(dev, "waiting on vblank count %llu, crtc %u\n",
> > + req_seq, pipe);
> > wait = wait_event_interruptible_timeout(vblank->queue,
> > vblank_passed(drm_vblank_count(dev, pipe), req_seq) ||
> > !READ_ONCE(vblank->enabled),
> > @@ -1836,10 +1847,11 @@ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
> > if (ret != -EINTR) {
> > drm_wait_vblank_reply(dev, pipe, &vblwait->reply);
> >
> > - DRM_DEBUG("crtc %d returning %u to client\n",
> > - pipe, vblwait->reply.sequence);
> > + drm_dbg_core(dev, "crtc %d returning %u to client\n",
> > + pipe, vblwait->reply.sequence);
> > } else {
> > - DRM_DEBUG("crtc %d vblank wait interrupted by signal\n", pipe);
> > + drm_dbg_core(dev, "crtc %d vblank wait interrupted by signal\n",
> > + pipe);
> > }
> >
> > done:
> > @@ -1865,8 +1877,8 @@ static void drm_handle_vblank_events(struct drm_device *dev, unsigned int pipe)
> > if (!vblank_passed(seq, e->sequence))
> > continue;
> >
> > - DRM_DEBUG("vblank event on %llu, current %llu\n",
> > - e->sequence, seq);
> > + drm_dbg_core(dev, "vblank event on %llu, current %llu\n",
> > + e->sequence, seq);
> >
> > list_del(&e->base.link);
> > drm_vblank_put(dev, pipe);
> > @@ -2005,7 +2017,9 @@ int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
> > if (!vblank_enabled) {
> > ret = drm_crtc_vblank_get(crtc);
> > if (ret) {
> > - DRM_DEBUG("crtc %d failed to acquire vblank counter, %d\n", pipe, ret);
> > + drm_dbg_core(dev,
> > + "crtc %d failed to acquire vblank counter, %d\n",
> > + pipe, ret);
> > return ret;
> > }
> > }
> > @@ -2071,7 +2085,9 @@ int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
> >
> > ret = drm_crtc_vblank_get(crtc);
> > if (ret) {
> > - DRM_DEBUG("crtc %d failed to acquire vblank counter, %d\n", pipe, ret);
> > + drm_dbg_core(dev,
> > + "crtc %d failed to acquire vblank counter, %d\n",
> > + pipe, ret);
> > goto err_free;
> > }
> >
> >
>
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Maxfeldstr. 5, 90409 Nürnberg, Germany
> (HRB 36809, AG Nürnberg)
> Geschäftsführer: Felix Imendörffer
>
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