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From: Abel Vesa <abel.vesa@linaro.org>
Subject: [PATCH v3 0/2] drm/msm/dp: Rework the eDP/DP modes and add support
 for X1E80100
Date: Fri, 22 Mar 2024 15:22:21 +0200
Message-Id: <20240322-x1e80100-display-refactor-connector-v3-0-af14c29af665@linaro.org>
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To: Rob Clark <robdclark@gmail.com>, 
 Abhinav Kumar <quic_abhinavk@quicinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>, Sean Paul <sean@poorly.run>, 
 Marijn Suijten <marijn.suijten@somainline.org>, 
 David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, 
 Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, 
 Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, Kuogee Hsieh <quic_khsieh@quicinc.com>, 
 Bjorn Andersson <andersson@kernel.org>, 
 Konrad Dybcio <konrad.dybcio@linaro.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>, 
 Johan Hovold <johan@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, 
 freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, Abel Vesa <abel.vesa@linaro.org>

Since this new platform supports both DP and eDP, it's the perfect time
to drop the dual compatible (eDP and DP) and figure out a different way
to specify the mode. After some off-list discussion, one suggested way
was to add a 'is-edp' property to the controller node, but that approach
has been dropped due to bindings concerns. So now we lookup the panel
node in DT and based on it's presence we can safely say if it is eDP or not.

The PHY counterpart patchset is here:
https://lore.kernel.org/all/20240220-x1e80100-phy-edp-compatible-refactor-v5-0-e8658adf5461@linaro.org/

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
---
Changes in v3:
- Dropped the bindings patch as this new solution doesn't involve
  bindings update.
- Dropped R-b tags as this has been entirely reworked
- Reworked to lookup the panel node in DT and set the is_edp and
  connector type based on panel node presence
- Link to v2: https://lore.kernel.org/r/20240222-x1e80100-display-refactor-connector-v2-0-bd4197dfceab@linaro.org

Changes in v2:
- Added Dmitry's R-b tag to both driver patches
- Dropped the if statement around assigning the is_edp in
  dp_display_probe, and fixed said assignment by using the connector
  type from match data instead.
- Moved the qcom,x1e80100-dp compatible where it belongs
- Re-worded the bindings commit message to follow Bjorn's suggestion
- Dropped the RFC tag as the approach doesn't seem to be questioned
  anymore 
- Link to v1: https://lore.kernel.org/r/20240221-x1e80100-display-refactor-connector-v1-0-86c0e1ebd5ec@linaro.org

---
Abel Vesa (2):
      drm/msm/dp: Add support for determining the eDP/DP mode from DT
      drm/msm/dp: Add support for the X1E80100

 drivers/gpu/drm/msm/dp/dp_display.c | 52 ++++++++++++++++++++++++++++++++++---
 1 file changed, 48 insertions(+), 4 deletions(-)
---
base-commit: e7528c088874326d3060a46f572252be43755a86
change-id: 20231219-x1e80100-display-refactor-connector-e1c66548cae3

Best regards,
-- 
Abel Vesa <abel.vesa@linaro.org>