linux-kernel - [PATCH RFC 0/4] Support for Simulated Panels

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Date: Tue, 16 Jan 2024 14:22:03 -0800
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Neil Armstrong <neil.armstrong@...aro.org>,
        Sam Ravnborg
	<sam@...nborg.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
CC: <quic_abhinavk@...cinc.com>, <linux-kernel@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Subject: [PATCH RFC 0/4] Support for Simulated Panels

This series introduces a simulated MIPI DSI panel.

Currently, the only way to validate DSI connectors is with a physical
panel. Since obtaining physical panels for all possible DSI configurations
is logistically infeasible, introduce a way for DSI drivers to simulate a
panel.

This will be helpful in catching DSI misconfiguration bugs and catching
performance issues for high FPS panels that might not be easily
obtainable.

For now, the simulated panel driver only supports setting customized
modes via the panel_simlation.mode modparam. Eventually, we would like
to add more customizations (such as configuring DSC, dual DSI, etc.).

---
Jessica Zhang (4):
      drm/panel: add driver for simulated panel
      drm/dsi: Add API to register simulated DSI panel
      drm/panel: Introduce simulated panel bridge API
      drm/msm/dsi: Add simulated panel support

 drivers/gpu/drm/bridge/panel.c           |  24 +++++
 drivers/gpu/drm/drm_mipi_dsi.c           |  30 +++++++
 drivers/gpu/drm/drm_panel.c              |  33 +++++++
 drivers/gpu/drm/msm/dsi/dsi.c            |   4 +
 drivers/gpu/drm/msm/dsi/dsi_host.c       |   9 +-
 drivers/gpu/drm/msm/dsi/dsi_manager.c    |   8 +-
 drivers/gpu/drm/panel/Kconfig            |   9 ++
 drivers/gpu/drm/panel/Makefile           |   1 +
 drivers/gpu/drm/panel/panel-simulation.c | 147 +++++++++++++++++++++++++++++++
 include/drm/drm_bridge.h                 |   1 +
 include/drm/drm_mipi_dsi.h               |   1 +
 include/drm/drm_panel.h                  |   1 +
 12 files changed, 266 insertions(+), 2 deletions(-)
---
base-commit: 9ba3471618f1ab8df2f2689a34a505a72e05760a
change-id: 20240102-jz-test-sim-panel-71c14a56716e

Best regards,
-- 
Jessica Zhang <quic_jesszhan@...cinc.com>