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path: root/drivers/gpu/drm/stm
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2017-11-07drm/stm: ltdc: add a 2nd endpointPhilippe CORNU
ltdc can have up to 2 endpoints: - dpi external gpios: for rgb panels or external bridge ICs. - dpi internal ios: connected internally to dsi. Note: Refer to the reference manual to know if the dsi is present on your device. Signed-off-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1509018489-19641-3-git-send-email-philippe.cornu@st.com
2017-11-07drm/stm: checkpatch strict minor updatesPhilippe CORNU
Minor fixes detected with "scripts/checkpatch.pl --strict" Signed-off-by: Philippe Cornu <philippe.cornu@st.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1509013473-18365-1-git-send-email-philippe.cornu@st.com
2017-11-07drm/stm: dsi: Rename driver namePhilippe CORNU
Rename the driver name from "dw_mipi_dsi-stm" to "stm32-display-dsi" for a better readability in /sys/bus/platform/drivers entries. Signed-off-by: Philippe Cornu <philippe.cornu@st.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1509012290-16906-1-git-send-email-philippe.cornu@st.com
2017-10-10drm/stm: ltdc: remove bridge from driver internal structurebenjamin.gaignard@linaro.org
With a call to drm_of_panel_bridge_remove() we could remove the bridge without store it in ldtc internal driver structure. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Reviewed-by: Philippe Cornu <philippe.cornu@st.com> Tested-by: Philippe Cornu <philippe.cornu@st.com> Link: https://patchwork.freedesktop.org/patch/msgid/1506936888-23844-4-git-send-email-benjamin.gaignard@linaro.org
2017-09-08drm/stm: fix warning about multiplication in conditionArnd Bergmann
gcc-7 complains about multiplying within a condition being suspicious: drivers/gpu/drm/stm/dw_mipi_dsi-stm.c: In function 'dsi_pll_get_clkout_khz': drivers/gpu/drm/stm/dw_mipi_dsi-stm.c:117:10: error: '*' in boolean context, suggest '&&' instead [-Werror=int-in-bool-context] The code here is correct, but can be easily rephrased to make that more obvious. I also swap out the error handling and the normal code path for clarity. Fixes: b0f09a3c69d9 ("drm/stm: Add STM32 DSI controller driver") Acked-by: Philippe Cornu <philippe.cornu@st.com> Tested-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170906131331.2691300-1-arnd@arndb.de
2017-09-02drm/stm: Use drm_gem_fb_create()Noralf Trønnes
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now, so use the function directly. Cc: Yannick Fertre <yannick.fertre@st.com> Cc: Philippe Cornu <philippe.cornu@st.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Vincent Abriou <vincent.abriou@st.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Philippe Cornu <philippe.cornu@st.com> Tested-by: Philippe Cornu <philippe.cornu@st.com> Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-18-git-send-email-noralf@tronnes.org
2017-08-08drm: Nuke drm_atomic_helper_plane_set_propertyDaniel Vetter
It's dead code, the core handles all this directly now. This also allows us to unexport drm_atomic_plane_set_property. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> 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: Ben Skeggs <bskeggs@redhat.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> 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: Jyri Sarha <jsarha@ti.com> Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: Eric Engestrom <eric@engestrom.ch> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Rob Clark <robdclark@gmail.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170725080122.20548-6-daniel.vetter@ffwll.ch Reviewed-by: Archit Taneja <architt@codeaurora.org> Acked-by: Philippe Cornu <philippe.cornu@st.com> Tested-by: Philippe Cornu <philippe.cornu@st.com> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Acked-by: Vincent Abriou <vincent.abriou@st.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2017-08-04drm: stm: remove dead code and pointless local lut storagePeter Rosin
The redundant fb helper .load_lut is no longer used, and can not work right without also providing the fb helpers .gamma_set and .gamma_get thus rendering the code in this driver suspect. Just remove the dead code. Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170713162538.22788-14-peda@axentia.se
2017-08-01drm: Plumb modifiers through plane initBen Widawsky
This is the plumbing for supporting fb modifiers on planes. Modifiers have already been introduced to some extent, but this series will extend this to allow querying modifiers per plane. Based on this, the client to enable optimal modifications for framebuffers. This patch simply allows the DRM drivers to initialize their list of supported modifiers upon initializing the plane. v2: A minor addition from Daniel v3: * Updated commit message * s/INVALID/DRM_FORMAT_MOD_INVALID (Liviu) * Remove some excess newlines (Liviu) * Update comment for > 64 modifiers (Liviu) v4: Minor comment adjustments (Liviu) v5: Some new platforms added due to rebase v6: Add some missed plane inits (or maybe they're new - who knows at this point) (Daniel) Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Reviewed-by: Daniel Stone <daniels@collabora.com> (v2) Reviewed-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Daniel Stone <daniels@collabora.com>
2017-07-29drm/stm: Use .dumb_map_offset and .dumb_destroy defaultsNoralf Trønnes
This driver can use the drm_driver.dumb_destroy and drm_driver.dumb_map_offset defaults, so no need to set them. Cc: Yannick Fertre <yannick.fertre@st.com> Cc: Philippe Cornu <philippe.cornu@st.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Vincent Abriou <vincent.abriou@st.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Tested-by: Philippe Cornu <philippe.cornu@st.com> Acked-by: Philippe Cornu <philippe.cornu@st.com> Link: https://patchwork.freedesktop.org/patch/msgid/1500837417-40580-17-git-send-email-noralf@tronnes.org
2017-07-26drm/stm: dsi: Constify phy ops structurePhilippe CORNU
Constify dw_mipi_dsi_stm_phy_ops as these ops are not supposed to change at runtime. Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500552357-29487-8-git-send-email-philippe.cornu@st.com
2017-07-26drm/stm: ltdc: Cleanup rename returned valuePhilippe CORNU
Rename the returned value from "res" to "ret" as it is more "readable". Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500552357-29487-7-git-send-email-philippe.cornu@st.com
2017-07-26drm/stm: ltdc: add devm_reset_control & platform_get_ressourcePhilippe CORNU
Use devm_reset_control_get_exclusive to avoid resource leakage (based on patch "Convert drivers to explicit reset API" from Philipp Zabel). Also use platform_get_resource, which is more usual and consistent with platform_get_irq called later. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500552357-29487-6-git-send-email-philippe.cornu@st.com
2017-07-26drm/stm: ltdc: Constify funcs structuresPhilippe CORNU
Constify drm funcs structures. Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500552357-29487-5-git-send-email-philippe.cornu@st.com
2017-07-26drm/stm: ltdc: Lindent and minor cleanupsPhilippe CORNU
Lindent then checkpatch --strict cleanups Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500552357-29487-4-git-send-email-philippe.cornu@st.com
2017-07-26drm/stm: ltdc: Cleanup signal polarity definesPhilippe CORNU
The GCR_PCPOL/DEPOL/VSPOL/HSPOL defines are sufficient to describe the HS, VS, DE & PC signal polarities. Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500552357-29487-3-git-send-email-philippe.cornu@st.com
2017-07-26drm/stm: drv: Rename platform driver namePhilippe CORNU
Rename the platform driver name from "stm" to "stm32-display" for a better readability in /sys/bus/platform/drivers entries. Note: We keep "stm" as drm_driver.name because it is better when using "modetest -M stm ..." (even if recent modetest patch avoids using -M). Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500552357-29487-2-git-send-email-philippe.cornu@st.com
2017-07-26drm: stm: remove "default y" in Kconfigbenjamin.gaignard@linaro.org
To do not force stm driver to be build by default Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/1499699248-25776-1-git-send-email-benjamin.gaignard@linaro.org
2017-07-26drm/stm: Add STM32 DSI controller driverPhilippe CORNU
Add the STM32 DSI controller driver that uses the Synopsys DesignWare MIPI DSI host controller bridge. Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500277223-29553-8-git-send-email-philippe.cornu@st.com
2017-07-18drm/stm: ltdc: Add panel-bridge supportPhilippe CORNU
Add the panel-bridge support for both panels & bridges (used by DSI host & HDMI/LVDS bridges). Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500277223-29553-3-git-send-email-philippe.cornu@st.com
2017-07-18drm/stm: ltdc: Fix leak of px clk enable in some error pathsPhilippe CORNU
The pixel clock gets enabled early during init, since it's required in order to read registers. This pixel clock must be disabled if errors during this init phase. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: https://patchwork.freedesktop.org/patch/msgid/1500277223-29553-2-git-send-email-philippe.cornu@st.com
2017-06-30drm: Convert atomic drivers from CRTC .disable() to .atomic_disable()Laurent Pinchart
The CRTC .disable() helper operation is deprecated for atomic drivers, the new .atomic_disable() helper operation being preferred. Convert all atomic drivers to .atomic_disable() to avoid cargo-cult use of .disable() in new drivers. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> # for sun4i Acked-by: Philipp Zabel <p.zabel@pengutronix.de> # for mediatek Acked-by: Alexey Brodkin <abrodkin@synopsys.com> # for arcpgu Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> # for atmel-hlcdc Tested-by: Philippe Cornu <philippe.cornu@st.com> # for stm Acked-by: Philippe Cornu <philippe.cornu@st.com> # for stm Acked-by: Vincent Abriou <vincent.abriou@st.com> # for sti Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> # for vmwgfx Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170630093646.7928-3-laurent.pinchart+renesas@ideasonboard.com
2017-06-30drm: Add old state pointer to CRTC .enable() helper functionLaurent Pinchart
The old state is useful for drivers that need to perform operations at enable time that depend on the transition between the old and new states. While at it, rename the operation to .atomic_enable() to be consistent with .atomic_disable(), as the .enable() operation is used by atomic helpers only. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> # for sun4i Acked-by: Philipp Zabel <p.zabel@pengutronix.de> # for imx-drm and mediatek Acked-by: Alexey Brodkin <abrodkin@synopsys.com> # for arcpgu Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> # for atmel-hlcdc Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> # for hdlcd and mali-dp Acked-by: Stefan Agner <stefan@agner.ch> # for fsl-dcu Tested-by: Philippe Cornu <philippe.cornu@st.com> # for stm Acked-by: Philippe Cornu <philippe.cornu@st.com> # for stm Acked-by: Vincent Abriou <vincent.abriou@st.com> # for sti Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> # for vmwgfx Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170630093646.7928-2-laurent.pinchart+renesas@ideasonboard.com
2017-05-31drm/stm: Drop drm_vblank_cleanupDaniel Vetter
Again seems just cargo-culted. Cc: Yannick Fertre <yannick.fertre@st.com> Cc: Philippe Cornu <philippe.cornu@st.com> Acked-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-32-daniel.vetter@ffwll.ch
2017-05-23drm/stm: ltdc: fix duplicated argumentsPhilippe CORNU
Fix COMPILE_TEST build issue detected with the rule: "duplicated argument to & or |" Signed-off-by: Philippe CORNU <philippe.cornu@st.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: http://patchwork.freedesktop.org/patch/msgid/1495445421-20846-1-git-send-email-philippe.cornu@st.com
2017-05-22drm/stm: remove unneeded -Iinclude/drm compiler flagMasahiro Yamada
With the include directives under include/drm/ fixed, this flag is no longer needed. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1495081793-9707-13-git-send-email-yamada.masahiro@socionext.com
2017-04-14drm/stm: Add STM32 LTDC driverYannick Fertre
This controller provides output signals to interface directly a variety of LCD and TFT panels. These output signals are: RGB signals (up to 24bpp), vertical & horizontal synchronisations, data enable and the pixel clock. Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Yannick Fertre <yannick.fertre@st.com> Signed-off-by: Eric Anholt <eric@anholt.net> Link: http://patchwork.freedesktop.org/patch/msgid/1492164819-10513-5-git-send-email-yannick.fertre@st.com Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Eric Anholt <eric@anholt.net>
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