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2016-08-11drm/mediatek: add ARM_SMCCC dependencyArnd Bergmann1-0/+1
ARM SMCCC is only set for ARMv7 and ARMv8 CPUs, but we currently allow the driver to be build for older architecture levels as well, which results in a link failure: drivers/gpu/built-in.o: In function `mtk_hdmi_hw_make_reg_writable': :(.text+0x1e737c): undefined reference to `arm_smccc_smc' This adds a Kconfig dependency. The patch applies on my two previous fixes that are not yet applied, so please apply all three to get randconfig builds to work correctly. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 8f83f26891e1 ("drm/mediatek: Add HDMI support") Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-11drm/mediatek: add CONFIG_OF dependencyArnd Bergmann1-0/+1
The mediatek DRM driver can be configured for compile testing with CONFIG_OF disabled, but then fails to link: drivers/gpu/built-in.o: In function `mtk_drm_bind': analogix_dp_reg.c:(.text+0x52888): undefined reference to `of_find_device_by_node' analogix_dp_reg.c:(.text+0x52930): undefined reference to `of_find_device_by_node' This adds an explicit Kconfig dependency. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://patchwork.kernel.org/patch/9120871/ Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-11drm/mediatek: add COMMON_CLK dependencyArnd Bergmann1-0/+1
On kernel builds without COMMON_CLK, the newly added mediatek drm driver fails to build: drivers/gpu/drm/mediatek/mtk_mipi_tx.c:130:16: error: field 'pll_hw' has incomplete type struct clk_hw pll_hw; ^~~~~~ In file included from ../include/linux/clk.h:16:0, from ../drivers/gpu/drm/mediatek/mtk_mipi_tx.c:14: drivers/gpu/drm/mediatek/mtk_mipi_tx.c: In function 'mtk_mipi_tx_from_clk_hw': include/linux/kernel.h:831:48: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ /drivers/gpu/drm/mediatek/mtk_mipi_tx.c:136:9: note: in expansion of macro 'container_of' return container_of(hw, struct mtk_mipi_tx, pll_hw); ^~~~~~~~~~~~ drivers/gpu/drm/mediatek/mtk_mipi_tx.c: At top level: drivers/gpu/drm/mediatek/mtk_mipi_tx.c:302:21: error: variable 'mtk_mipi_tx_pll_ops' has initializer but incomplete type static const struct clk_ops mtk_mipi_tx_pll_ops = { This adds the required Kconfig dependency. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Link: https://patchwork.kernel.org/patch/9069061/ Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-04dma-mapping: use unsigned long for dma_attrsKrzysztof Kozlowski2-8/+7
The dma-mapping core and the implementations do not change the DMA attributes passed by pointer. Thus the pointer can point to const data. However the attributes do not have to be a bitfield. Instead unsigned long will do fine: 1. This is just simpler. Both in terms of reading the code and setting attributes. Instead of initializing local attributes on the stack and passing pointer to it to dma_set_attr(), just set the bits. 2. It brings safeness and checking for const correctness because the attributes are passed by value. Semantic patches for this change (at least most of them): virtual patch virtual context @r@ identifier f, attrs; @@ f(..., - struct dma_attrs *attrs + unsigned long attrs , ...) { ... } @@ identifier r.f; @@ f(..., - NULL + 0 ) and // Options: --all-includes virtual patch virtual context @r@ identifier f, attrs; type t; @@ t f(..., struct dma_attrs *attrs); @@ identifier r.f; @@ f(..., - NULL + 0 ) Link: http://lkml.kernel.org/r/1468399300-5399-2-git-send-email-k.kozlowski@samsung.com Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Vineet Gupta <vgupta@synopsys.com> Acked-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> Acked-by: Mark Salter <msalter@redhat.com> [c6x] Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> [cris] Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> [drm] Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Acked-by: Joerg Roedel <jroedel@suse.de> [iommu] Acked-by: Fabien Dessenne <fabien.dessenne@st.com> [bdisp] Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com> [vb2-core] Acked-by: David Vrabel <david.vrabel@citrix.com> [xen] Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> [xen swiotlb] Acked-by: Joerg Roedel <jroedel@suse.de> [iommu] Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon] Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> [s390] Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> [avr32] Acked-by: Vineet Gupta <vgupta@synopsys.com> [arc] Acked-by: Robin Murphy <robin.murphy@arm.com> [arm64 and dma-iommu] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-07-15Merge tag 'topic/drm-misc-2016-07-14' of git://anongit.freedesktop.org/drm-intel into drm-nextDave Airlie1-1/+1
I recovered dri-devel backlog from my vacation, more misc stuff: - of_put_node fixes from Peter Chen (not all yet) - more patches from Gustavo to use kms-native drm_crtc_vblank_* funcs - docs sphinxification from Lukas Wunner - bunch of fixes all over from Dan Carpenter - more follow up work from Chris register/unregister rework in various places - vgem dma-buf export (for writing testcases) - small things all over from tons of different people * tag 'topic/drm-misc-2016-07-14' of git://anongit.freedesktop.org/drm-intel: (52 commits) drm: Don't overwrite user ioctl arg unless requested dma-buf/sync_file: improve Kconfig description for Sync Files MAINTAINERS: add entry for the Sync File Framework drm: Resurrect atomic rmfb code drm/vgem: Use PAGE_KERNEL in place of x86-specific PAGE_KERNEL_IO qxl: silence uninitialized variable warning qxl: check for kmap failures vga_switcheroo: Sphinxify docs drm: Restore double clflush on the last partial cacheline gpu: drm: rockchip_drm_drv: add missing of_node_put after calling of_parse_phandle gpu: drm: sti_vtg: add missing of_node_put after calling of_parse_phandle gpu: drm: sti_hqvdp: add missing of_node_put after calling of_parse_phandle gpu: drm: sti_vdo: add missing of_node_put after calling of_parse_phandle gpu: drm: sti_compositor: add missing of_node_put after calling of_parse_phandle drm/tilcdc: use drm_crtc_handle_vblank() drm/rcar-du: use drm_crtc_handle_vblank() drm/nouveau: use drm_crtc_handle_vblank() drm/atmel: use drm_crtc_handle_vblank() drm/armada: use drm_crtc_handle_vblank() drm: make drm_vblank_count_and_time() static ...
2016-07-12drm/mediatek/mtk_mipi_tx: checking the wrong variableDan Carpenter1-1/+1
We should be checking "phy_provider" here not "phy". Fixes: 2e54c14e310f ('drm/mediatek: Add DSI sub driver') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.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/20160701135934.GA15723@mwanda
2016-07-05Merge tag 'asoc-hdmi-codec-pdata' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into drm-nextDave Airlie1-5/+5
ASoC: Add private data for HDMI CODEC callbacks Allow the HDMI CODECs to get private data passed in in callbacks. [airlied: Add STI/mediatek patches from Arnd for drivers merged later in drm tree.] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Dave Airlie <airlied@redhat.com> * tag 'asoc-hdmi-codec-pdata' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound: ASoC: hdmi-codec: callback function will be called with private data
2016-06-24Merge tag 'mediatek-drm-2016-06-20' of git://git.pengutronix.de/git/pza/linux into drm-nextDave Airlie9-0/+3268
MT8173 HDMI support - device tree binding documentation for MT8173 HDMI encoder, CEC, DDC, and PHY - drivers for MT8173 HDMI encoder, CEC (HPD only for now), DDC, and PHY - enable HDMI output via a custom SMCCC call - add ddc-i2c-bus property to HDMI connector device tree binding * tag 'mediatek-drm-2016-06-20' of git://git.pengutronix.de/git/pza/linux: dt-bindings: hdmi-connector: add DDC I2C bus phandle documentation drm/mediatek: enable hdmi output control bit drm/mediatek: Add HDMI support dt-bindings: drm/mediatek: Add Mediatek HDMI dts binding
2016-06-21drm: Don't call drm_dev_set_unique from platform driversDaniel Vetter1-2/+0
Since commit e112e593b215c394c0303dbf0534db0928e87967 Author: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Date: Fri Dec 11 11:20:28 2015 +0100 drm: use dev_name as default unique name in drm_dev_alloc() we're using a reasonable default which should work for everyone. Only mtk, rcar-du and sun4i are affected, and as kms-only drivers without any rendering support no one should ever care about the unique name v2: Rebase on top of mediatek. Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1466499262-18717-5-git-send-email-daniel.vetter@ffwll.ch
2016-06-21drm/mediatek: Remove IOMMU_DMA selectArnd Bergmann1-1/+0
We get a harmless build warning when trying to use the mediatek DRM driver with IOMMU support disabled: warning: (DRM_MEDIATEK) selects IOMMU_DMA which has unmet direct dependencies (IOMMU_SUPPORT) However, the IOMMU_DMA symbol is not meant to be used by drivers at all, and this driver doesn't seem to have a strict dependency on it other than using the mediatek IOMMU driver that does. Since we also want to be able to do compile tests with the driver on other platforms, the IOMMU_DMA symbol should not be selected here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: http://patchwork.freedesktop.org/patch/msgid/1462997501-982363-1-git-send-email-arnd@arndb.de
2016-06-21drm/mediatek: Remove redundant calls to drm_connector_register_all()Chris Wilson1-7/+0
Up to now, the recommendation was for drivers to call drm_dev_register() followed by drm_connector_register_all(). Now that drm_connector_register() is safe against multiple invocations, we can move drm_connector_register_all() to drm_dev_register() and not suffer from any backwards compatibility issues with drivers not following the more rigorous init ordering. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: David Airlie <airlied@linux.ie> Cc: dri-devel@lists.freedesktop.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1466151923-1572-6-git-send-email-chris@chris-wilson.co.uk
2016-06-17drm: Deal with rotation in drm_plane_helper_check_update()Ville Syrjälä1-0/+1
drm_plane_helper_check_update() needs to account for the plane rotation for correct clipping/scaling calculations. Do so. There was an earlier attempt [1] to add this into intel_check_primary_plane() but I requested that it'd be put into the helper instead. An updated patch never materialized AFAICS, so I went ahead and cooked one up myself. v2: Deal with new drm_plane_helper_check_update() callers [1] https://patchwork.freedesktop.org/patch/65177/ Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com> Cc: Noralf Trønnes <noralf@tronnes.org> Cc: CK Hu <ck.hu@mediatek.com> Cc: Mark Yao <mark.yao@rock-chips.com> Cc: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1466172790-10025-1-git-send-email-ville.syrjala@linux.intel.com
2016-06-16drm/mediatek: enable hdmi output control bitJie Qiu2-0/+13
MT8173 HDMI hardware has a output control bit to enable/disable HDMI output. Because of security reason, so this bit can ONLY be controlled in ARM supervisor mode. Now the only way to enter ARM supervisor is the ARM trusted firmware. So atf provides a API for HDMI driver to call to setup this HDMI control bit to enable HDMI output in supervisor mode. Signed-off-by: Jie Qiu <jie.qiu@mediatek.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-06-16drm/mediatek: Add HDMI supportJie Qiu9-0/+3255
This patch adds drivers for the HDMI bridge connected to the DPI0 display subsystem function block, for the HDMI DDC block, and for the HDMI PHY to support HDMI output. This includes an interface to the generic hdmi-codec driver to start or stop audio playback and to retrieve ELD (EDID like data) to limit the supported audio formats to the HDMI sink capabilities. Signed-off-by: Jie Qiu <jie.qiu@mediatek.com> Signed-off-by: Junzhi Zhao <junzhi.zhao@mediatek.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-06-10drm/atomic-helper: Massage swap_state signature somewhatDaniel Vetter1-1/+1
- dev is redundant, we have state->atomic - add stall parameter, which must be set when swapping needs to stall for preceeding commits to stop looking at ->state pointers. Currently all drivers need this to be, just prep work for a glorious future. v2: Rebased on top of commit e7cf0963f816fa44190caaf51aeffaa614c340c6 Author: Gerd Hoffmann <kraxel@redhat.com> Date: Tue May 31 08:50:47 2016 +0200 virtio-gpu: add atomic_commit function Cc: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1465509992-19284-1-git-send-email-daniel.vetter@ffwll.ch Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-2-git-send-email-daniel.vetter@ffwll.ch
2016-06-09drm: mediatek: Rely on the default ->best_encoder() behaviorBoris Brezillon1-9/+0
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
2016-06-09Backmerge tag 'v4.7-rc2' into drm-nextDave Airlie2-8/+1
Daniel has a pull request that relies on stuff in fixes that are in rc2.
2016-06-01drm/mediatek: mtk_dsi: Remove spurious drm_connector_unregisterPhilipp Zabel1-3/+1
Connectors are unregistered by mtk_drm_drv via drm_connector_unregister_all(). Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-06-01drm/mediatek: mtk_dpi: remove invalid error messagePhilipp Zabel1-5/+0
Do not try to dereference dpi if it is NULL. Since dpi can never be NULL when mtk_dpi_set_display_mode() is called, remove the message. Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-05-31drm/mediatek: Use lockless gem BO free callbackDaniel Vetter1-1/+1
No dev->struct_mutex anywhere to be seen. Cc: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-28-git-send-email-daniel.vetter@ffwll.ch
2016-05-18drm: mediatek: fixup drm_gem_object_lookup API changeArnd Bergmann2-2/+2
The drm_gem_object_lookup() function prototype changed while this driver was added, so it fails to build now: drivers/gpu/drm/mediatek/mtk_drm_gem.c: In function 'mtk_drm_gem_dumb_map_offset': drivers/gpu/drm/mediatek/mtk_drm_gem.c:142:30: error: passing argument 1 of 'drm_gem_object_lookup' from incompatible pointer type [-Werror=incompatible-pointer-types] obj = drm_gem_object_lookup(dev, file_priv, handle); This fixes the new caller as well. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: a8ad0bd84f98 ("drm: Remove unused drm_device from drm_gem_object_lookup()") Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1463587653-3035181-4-git-send-email-arnd@arndb.de
2016-05-17drm: Drop plane argument from __drm_atomic_helper_plane_destroy_stateDaniel Vetter1-1/+1
It's unused, and really this helper should only look at the state structure and nothing else. v2: Fix commit message (Laurent). v3: Rebase onto mtk driver merge. Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Eric Anholt <eric@anholt.net> Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Cc: Inki Dae <inki.dae@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Mark Yao <mark.yao@rock-chips.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Eric Anholt <eric@anholt.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1462804451-15318-2-git-send-email-daniel.vetter@ffwll.ch
2016-05-17drm: Drop crtc argument from __drm_atomic_helper_crtc_destroy_stateDaniel Vetter1-1/+1
It's unused, and really this helper should only look at the state structure and nothing else. v2: Rebase on top of rockchip changes v3: Drop unrelated hunk, spotted by Laurent. v4: Rebase onto mtk driver merge. Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Eric Anholt <eric@anholt.net> Cc: Mark Yao <mark.yao@rock-chips.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Eric Anholt <eric@anholt.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1462804451-15318-1-git-send-email-daniel.vetter@ffwll.ch
2016-05-06drm/mediatek: Add DPI sub driverJie Qiu5-1/+1001
Add DPI connector/encoder to support HDMI output via the attached HDMI bridge. Signed-off-by: Jie Qiu <jie.qiu@mediatek.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-05-06drm/mediatek: Add DSI sub driverCK Hu6-1/+1385
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>
2016-05-06drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.CK Hu18-0/+3386
This patch adds an initial DRM driver for the Mediatek MT8173 DISP subsystem. It currently supports two fixed output streams from the OVL0/OVL1 sources to the DSI0/DPI0 sinks, respectively. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: YT Shen <yt.shen@mediatek.com> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com> Signed-off-by: Mao Huang <littlecvr@chromium.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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