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path: root/drivers/gpu/drm/bridge/tc358767.c
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2017-11-30drm/bridge: tc358767: fix timing calculationsAndrey Gusakov
Fields in HTIM01 and HTIM02 regs should be even. Recomended thresh_dly value is max_tu_symbol. Remove set of VPCTRL0.VSDELAY as it is related to DSI input interface. Currently driver supports only DPI. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-5-git-send-email-andrey.gusakov@cogentembedded.com
2017-11-30drm/bridge: tc358767: fix DP0_MISC register setAndrey Gusakov
Remove shift from TU_SIZE_RECOMMENDED define as it used to calculate max_tu_symbols. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-4-git-send-email-andrey.gusakov@cogentembedded.com
2017-11-30drm/bridge: tc358767: filter out too high modesAndrey Gusakov
Pixel clock limitation for DPI is 154 MHz. Do not accept modes with higher pixel clock rate. Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-3-git-send-email-andrey.gusakov@cogentembedded.com
2017-11-30drm/bridge: tc358767: do no fail on hi-res displaysAndrey Gusakov
Do not fail data rates higher than 2.7 and more than 2 lanes. Try to fall back to 2.7Gbps and 2 lanes. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-2-git-send-email-andrey.gusakov@cogentembedded.com
2017-08-15Backmerge tag 'v4.13-rc5' into drm-nextDave Airlie
Linux 4.13-rc5 There's a really nasty nouveau collision, hopefully someone can take a look once I pushed this out.
2017-08-08drm: Nuke drm_atomic_helper_connector_dpmsDaniel Vetter
It's dead code, the core handles all this directly now. The only special case is nouveau and tda988x which used one function for both legacy modeset code and -nv50 atomic world instead of 2 vtables. But amounts to exactly the same. v2: Rebase over the panel/brideg refactorings in stm/ltdc. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Peter Senna Tschudin <peter.senna@collabora.com> Cc: Martin Donnelly <martin.donnelly@ge.com> Cc: Martyn Welch <martyn.welch@collabora.co.uk> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: David Airlie <airlied@linux.ie> Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Stefan Agner <stefan@agner.ch> Cc: Alison Wang <alison.wang@freescale.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: CK Hu <ck.hu@mediatek.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Carlo Caione <carlo@caione.org> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Marek Vasut <marex@denx.de> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Eric Anholt <eric@anholt.net> Cc: Mark Yao <mark.yao@rock-chips.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Vincent Abriou <vincent.abriou@st.com> Cc: Yannick Fertre <yannick.fertre@st.com> Cc: Philippe Cornu <philippe.cornu@st.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Jyri Sarha <jsarha@ti.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: John Stultz <john.stultz@linaro.org> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Cc: Jeffy Chen <jeffy.chen@rock-chips.com> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Yakir Yang <kuankuan.y@gmail.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Jose Abreu <Jose.Abreu@synopsys.com> Cc: Romain Perier <romain.perier@collabora.com> Cc: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Cc: Xinliang Liu <z.liuxinliang@hisilicon.com> Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Rob Clark <robdclark@gmail.com> Cc: Hai Li <hali@codeaurora.org> Cc: "Noralf Trønnes" <noralf@tronnes.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Cc: linux-mediatek@lists.infradead.org Cc: linux-amlogic@lists.infradead.org Cc: nouveau@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Cc: linux-tegra@vger.kernel.org Cc: virtualization@lists.linux-foundation.org Cc: zain wang <wzz@rock-chips.com> Cc: Baoyou Xie <baoyou.xie@linaro.org> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170725080122.20548-8-daniel.vetter@ffwll.ch Acked-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Archit Taneja <architt@codeaurora.org> Tested-by: Philippe Cornu <philippe.cornu@st.com> (on stm) Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Shawn Guo <shawnguo@kernel.org> Acked-by: Shawn Guo <shawnguo@kernel.org> Acked-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Vincent Abriou <vincent.abriou@st.com>
2017-07-28drm/bridge: tc358767: fix probe without attached output nodeLucas Stach
The output node of the TC358767 is only used if another bridge is chained behind it. Panels attached to the TC358767 can be detected using the usual DP AUX probing. This restores the old behavior of ignoring the output if no endpoint is found. Fixes: ebc944613567 (drm: convert drivers to use drm_of_find_panel_or_bridge) CC: stable@vger.kernel.org Acked-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: https://patchwork.freedesktop.org/patch/msgid/20170710124125.9019-1-l.stach@pengutronix.de
2017-07-06drm/bridge: tc358767: clean up drm_bridge_add callInki Dae
This patch removes unnecessary checking of return value. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: http://patchwork.freedesktop.org/patch/msgid/1499071350-25168-11-git-send-email-inki.dae@samsung.com
2017-04-06drm: convert drivers to use drm_of_find_panel_or_bridgeRob Herring
Similar to the previous commit, convert drivers open coding OF graph parsing to use drm_of_find_panel_or_bridge instead. This changes some error messages to debug messages (in the graph core). Graph connections are often "no connects" depending on the particular board, so we want to avoid spurious messages. Plus the kernel is not a DT validator. Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Archit Taneja <architt@codeaurora.org> Tested-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> [seanpaul dropped rockchip changes since they're now obsolete] Signed-off-by: Sean Paul <seanpaul@chromium.org>
2016-12-01drm: Make the connector .detect() callback optionalLaurent Pinchart
Many drivers (21 to be exact) create connectors that are always connected (for instance to an LVDS or DSI panel). Instead of forcing them to implement a dummy .detect() handler, make the callback optional and consider the connector as always connected in that case. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Jyri Sarha <jsarha@ti.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Vincent Abriou <vincent.abriou@st.com> Acked-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> [seanpaul fixed small conflict in rcar-du/rcar_du_lvdscon.c] Signed-off-by: Sean Paul <seanpaul@chromium.org>
2016-12-01drm/bridge: tc358767: don't warn if display side ASSR enable failsLucas Stach
ASSR is an optional feature, so it's a valid operating condition for the display to reject ASSR enable. Demote the warning to the debug level. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by:Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: http://patchwork.freedesktop.org/patch/msgid/20161130114810.3245-1-l.stach@pengutronix.de
2016-10-10drm/bridge: Drop drm_connector_unregister and call drm_connector_cleanup ↵Marek Vasut
directly Drop unneeded drm_connector_unregister() and remove the unnecessary wrapper functions around drm_connector_cleanup(). Signed-off-by: Marek Vasut <marex@denx.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161005143133.5549-1-marex@denx.de
2016-07-17drm/bridge: tc358767: Add DPI to eDP bridge driverAndrey Gusakov
Add a drm_bridge driver for the Toshiba TC358767 DPI/DSI to eDP/DP bridge. Currently only DPI input with 24-bit RGB is supported. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Archit Taneja <architt@codeaurora.org>