180° rotation support for NVIDIA Tegra DRM
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- v1 Latest6 patches 1 replyIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/6 | drm/panel: Add helper for reading DT rotationdrivers/ include/ | +52 | 0 replies | |
| 2/6 | drm/panel: Set display info in panel attachdrivers/ include/ | +63 | 1 reply | |
| 3/6 | drm/panel: lvds: Set up panel orientationdrivers/ | +6 | 0 replies | |
| 4/6 | drm/tegra: plane: Rename bottom_up to reflect_ydrivers/ drivers/ drivers/ +1 more | +8 | 0 replies | |
| 5/6 | drm/tegra: plane: Support horizontal reflection modedrivers/ drivers/ drivers/ +1 more | +23 | 0 replies | |
| 6/6 | drm/tegra: plane: Support 180° rotationdrivers/ | +12 | 0 replies |
Reviews trailers per patch
2 of 6 patches have a Reviewed-by or Acked-by.
| Patch | Sam Ravnborg | Dmitry Osipenko |
|---|---|---|
| 1/6 | R-b | T-b |
| 2/6 | R-b | T-b |
| 3/6 | ||
| 4/6 | ||
| 5/6 | ||
| 6/6 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH v1 0/6] 180° rotation support for NVIDIA Tegra DRM
Hello!
This series adds 180° display plane rotation support to the NVIDIA Tegra DRM driver which is needed for devices that have display panel physically mounted upside-down, like Nexus 7 tablet device for example [1]. Since DRM panel rotation is a new thing for a userspace, currently only Opentegra Xorg driver handles the rotated display panel [2], but this is good enough for the start.
Note that later on it should be possible to implement a transparent 180° display rotation for Tegra DRM driver which will remove the need to have a bleeding edge userspace that knows how to rotate display planes and I'm slowly working on it. For the starter we can go with the minimal rotation support, so it's not a blocker.
This series is based on the work that was made by Derek Basehore for the Mediatek driver [3], his patches are included into this patchset. I added my tested-by tags to the Derek's patches.
Please review and apply, thanks in advance!
[1] https://patchwork.ozlabs.org/project/linux-tegra/patch/[email protected]/
[2] https://github.com/grate-driver/xf86-video-opentegra/commit/28eb20a3959bbe5bc3a3b67e55977093fd5114ca
[3] https://lkml.org/lkml/2020/3/5/1119
Derek Basehore (2):
drm/panel: Add helper for reading DT rotation
drm/panel: Set display info in panel attach
Dmitry Osipenko (4):
drm/panel: lvds: Set up panel orientation drm/tegra: plane: Rename bottom_up to reflect_y drm/tegra: plane: Support horizontal reflection mode drm/tegra: plane: Support 180° rotation
drivers/gpu/drm/drm_panel.c | 56 ++++++++++++++++++++++++++++ drivers/gpu/drm/panel/panel-lvds.c | 6 +++ drivers/gpu/drm/tegra/dc.c | 43 ++++++++++++++++++---- drivers/gpu/drm/tegra/dc.h | 3 +- drivers/gpu/drm/tegra/plane.c | 3 +- drivers/gpu/drm/tegra/plane.h | 3 +- include/drm/drm_panel.h | 59 ++++++++++++++++++++++++++++++ 7 files changed, 162 insertions(+), 11 deletions(-)
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