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[PATCH v2 0/8] Introduce new mode validation callbacks

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This series is a follow up from the discussion at [1]. We start by
introducing crtc->mode_valid(), encoder->mode_valid() and
bridge->mode_valid() callbacks which will be used in followup
patches.

We proceed by introducing new helpers to call this new callbacks
at 2/8, 3/8 and 4/8.

Next, at 5/8 we modify the connector probe helper so that only modes
which are supported by a given encoder+crtc combination are probbed.

At 6/8 a helper function is introduced that calls all mode_valid()
from a set of bridges.

At 7/8 we call all the mode_valid() callbacks for a given pipeline,
except the connector->mode_valid one, so that the mode is validated.
This is done before calling mode_fixup().

Finally, at 8/8 we use the new crtc->mode_valid() callback in arcpgu
and remove the atomic_check() callback.

[1] https://patchwork.kernel.org/patch/9702233/

Jose Abreu (8):
  drm: Add crtc/encoder/bridge->mode_valid() callbacks
  drm: Add drm_crtc_mode_valid()
  drm: Add drm_encoder_mode_valid()
  drm: Add drm_connector_mode_valid()
  drm: Use new mode_valid() helpers in connector probe helper
  drm: Introduce drm_bridge_mode_valid()
  drm: Use mode_valid() in atomic modeset
  drm: arc: Use crtc->mode_valid() callback

Cc: Carlos Palminha <palminha@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Archit Taneja <architt@codeaurora.org>

 drivers/gpu/drm/arc/arcpgu_crtc.c        | 39 ++++++++++-------
 drivers/gpu/drm/drm_atomic_helper.c      | 75 ++++++++++++++++++++++++++++++--
 drivers/gpu/drm/drm_bridge.c             | 33 ++++++++++++++
 drivers/gpu/drm/drm_connector.c          | 23 ++++++++++
 drivers/gpu/drm/drm_crtc.c               | 22 ++++++++++
 drivers/gpu/drm/drm_crtc_internal.h      |  7 +++
 drivers/gpu/drm/drm_encoder.c            | 23 ++++++++++
 drivers/gpu/drm/drm_probe_helper.c       | 60 +++++++++++++++++++++++--
 include/drm/drm_bridge.h                 | 22 ++++++++++
 include/drm/drm_modeset_helper_vtables.h | 45 +++++++++++++++++++
 10 files changed, 328 insertions(+), 21 deletions(-)

-- 
1.9.1

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[PATCH v2 0/8] Introduce new mode validation callbacks Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200
  [PATCH v2 6/8] drm: Introduce drm_bridge_mode_valid() Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200
    Re: [PATCH v2 6/8] drm: Introduce drm_bridge_mode_valid() Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-05-10 15:50 +0200
      Re: [PATCH v2 6/8] drm: Introduce drm_bridge_mode_valid() Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-10 16:10 +0200
        Re: [PATCH v2 6/8] drm: Introduce drm_bridge_mode_valid() Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-10 16:10 +0200
      Re: [PATCH v2 6/8] drm: Introduce drm_bridge_mode_valid() Daniel Vetter <daniel@ffwll.ch> - 2017-05-10 17:20 +0200
  [PATCH v2 4/8] drm: Add drm_connector_mode_valid() Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200
  [PATCH v2 2/8] drm: Add drm_crtc_mode_valid() Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200
    Re: [PATCH v2 2/8] drm: Add drm_crtc_mode_valid() Daniel Vetter <daniel@ffwll.ch> - 2017-05-10 10:10 +0200
      Re: [PATCH v2 2/8] drm: Add drm_crtc_mode_valid() Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-10 11:00 +0200
        Re: [PATCH v2 2/8] drm: Add drm_crtc_mode_valid() Daniel Vetter <daniel@ffwll.ch> - 2017-05-10 17:20 +0200
  [PATCH v2 8/8] drm: arc: Use crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200
  [PATCH v2 5/8] drm: Use new mode_valid() helpers in connector probe helper Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200
    Re: [PATCH v2 5/8] drm: Use new mode_valid() helpers in connector  probe helper Daniel Vetter <daniel@ffwll.ch> - 2017-05-10 10:10 +0200
      Re: [PATCH v2 5/8] drm: Use new mode_valid() helpers in connector  probe helper Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-10 11:10 +0200
  [PATCH v2 1/8] drm: Add crtc/encoder/bridge->mode_valid() callbacks Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200
    Re: [PATCH v2 1/8] drm: Add crtc/encoder/bridge->mode_valid()  callbacks Daniel Vetter <daniel@ffwll.ch> - 2017-05-10 10:10 +0200
      Re: [PATCH v2 1/8] drm: Add crtc/encoder/bridge->mode_valid()  callbacks Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-10 11:10 +0200
  [PATCH v2 3/8] drm: Add drm_encoder_mode_valid() Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-09 19:10 +0200

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