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path: root/drivers/gpu/drm/mediatek/mtk_dsi.c
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* drm/mediatek: fixed the calc method of data rate per laneJitao Shi2016-11-24
| | | | | | | | | | | | Tune dsi frame rate by pixel clock, dsi add some extra signal (i.e. Tlpx, Ths-prepare, Ths-zero, Ths-trail,Ths-exit) when enter and exit LP mode, those signals will cause h-time larger than normal and reduce FPS. So need to multiply a coefficient to offset the extra signal's effect. coefficient = ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+ Ths_trail+Ths_exit)/(htotal*bpp/lane_number) Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
* drm: mediatek: Rely on the default ->best_encoder() behaviorBoris Brezillon2016-06-09
| | | | | | | | | | | | We have a 1:1 relationship between connectors and encoders and the driver is relying on the atomic helpers: we can drop the custom ->best_encoder() implementation and let the core call drm_atomic_helper_best_encoder() for us. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1465300095-16971-8-git-send-email-boris.brezillon@free-electrons.com
* drm/mediatek: mtk_dsi: Remove spurious drm_connector_unregisterPhilipp Zabel2016-06-01
| | | | | | Connectors are unregistered by mtk_drm_drv via drm_connector_unregister_all(). Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* drm/mediatek: Add DSI sub driverCK Hu2016-05-06
This patch add a drm encoder/connector driver for the MIPI DSI function block of the Mediatek display subsystem and a phy driver for the MIPI TX D-PHY control module. Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>