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2018-03-14drm: mali-dp: Add YUV->RGB conversion support for video layersMihail Atanassov4-17/+90
Internally Mali DP uses an RGB pipeline so video layers that support YUV input buffers need to convert the input data to RGB. The YUV buffers can have various encodings and this patch introduces support for BT.601, BT.709 and BT.2020 encodings, both limited and full ranges. This patch adds support for specifying the color encoding of the input buffers for the planes that are backed by the video layers and programs the YUV2RGB coefficients into hardware based on the selected encoding. Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com> [updated to use standard properties] Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm: mali-dp: Turn off CRTC vblank when removing module.Liviu Dudau1-0/+2
When unbinding the mali-dp driver the drm_vblank_cleanup() function warns us that the vblanks are still enabled. Fix that by calling drm_crtc_vblank_off() in the malidp_unbind() function. Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm: arm: malidp: Use drm_atomic_helper_shutdown() to disable planes on removalLaurent Pinchart2-4/+1
The plane cleanup handler currently calls drm_plane_helper_disable(), which is a legacy helper function. Replace it with a call to drm_atomic_helper_shutdown() at removal time. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm: arm: malidp: Don't destroy planes manually in error handlersLaurent Pinchart4-22/+3
The top-level error handler calls drm_mode_config_cleanup() which will destroy all planes. There's no need to destroy them manually in lower error handlers. As plane cleanup is now handled entirely by drm_mode_config_cleanup(), we must ensure that the plane .destroy() handler frees allocated memory for the plane object that was freed by malidp_de_planes_destroy(). Do so by replacing the call to devm_kfree() in the .destroy() handler by kfree(). devm_kfree() is currently a no-op as the plane memory is allocated with kzalloc(), not devm_kzalloc(). Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm/mali-dp: Fix malidp_atomic_commit_hw_done() for event sending.Liviu Dudau3-18/+27
Mali DP hardware has a 'go' bit (config_valid) for making the new scene parameters active at the next page flip. The problem with the current code is that the driver first sets this bit and then proceeds to wait for confirmation from the hardware that the configuration has been updated before arming the vblank event. As config_valid is actually asserted by the hardware after the vblank event, during the prefetch phase, when we get to arming the vblank event we are going to send it at the next vblank, in effect halving the vblank rate from the userspace perspective. Fix it by sending the userspace event from the IRQ handler, when we handle the config_valid interrupt, which syncs with the time when the hardware is active with the new parameters. Reported-by: Alexandru-Cosmin Gheorghe <alexandru-cosmin.gheorghe@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm/arm/malidp: Disable pixel alpha blending for colors that do not have alphaAyan Halder1-5/+22
Mali dp needs to disable pixel alpha blending (use layer alpha blending) to display color formats that do not contain alpha bits per pixel This patch depends on: "[PATCH v2 01/19] drm/fourcc: Add a alpha field to drm_format_info" Signed-off-by: Ayan Kumar Halder <ayan.halder@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm: mali-dp: Fix bug on scaling with rotationAyan Halder1-2/+8
In the case, when the user wants to scale and rotate a layer by 90/270 degrees, the scaling engine input dimensions' parameters ie width and height needs to be swapped with respect to the layer's input dimensions. This means scaling engine input height should be set to layer's input width and scaling engine input width should be set to layer's input height. Signed-off-by: Ayan Halder <ayan.halder@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm/mali-dp: Don't enable scaling engine for planes that only rotate.Liviu Dudau1-2/+8
Currently the scaling engine gets enabled for a plane where the input size differs from the composition size. As rotation is done natively by the plane's hardware layer, we don't need the scaling engine to be enabled. Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm: mali-dp: Uninitialized variable in malidp_se_check_scaling()Dan Carpenter1-2/+2
We use "mc" without initializing it if scaling is not necessary. Fixes: 28ce675b7474 ("drm: mali-dp: Add plane upscaling support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Mihail Atanassov <Mihail.Atanassov@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm/mali-dp: Align pitch size to be multiple of bus burst read size.Liviu Dudau1-1/+14
Mali DP hardware needs pitch line sizes aligned to the bus burst size for reads, so take that into consideration when allocating dumb buffers. If the layer is rotated then the stride size requirement is even larger for some hardware versions, so allocate for the worst case scenario. Update the ->dumb_create() hook to a driver specific function that sets the correct pitch size. Reported-by: Ayan Halder <ayan.halder@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-14drm/mali-dp: Rotated planes need a larger pitch size.Liviu Dudau2-4/+12
Rotated planes need a pitch size that is aligned to 8 bytes for older DP500 and DP550 and at least 64 bytes for DP650. Replace the malidp_hw_pitch_valid() function with one that calculates the correct pitch alignment to take into account rotation. Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-03-05drm: Don't pass clip to drm_atomic_helper_check_plane_state()Ville Syrjälä2-12/+2
Move the plane clip rectangle handling into drm_atomic_helper_check_plane_state(). Drivers no longer have to worry about such mundane details. v2: Convert armada, rcar, and sun4i as well v3: Resolve simple_kms_helper conflict Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Gustavo Padovan <gustavo@padovan.org> Cc: Sean Paul <seanpaul@chromium.org> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: CK Hu <ck.hu@mediatek.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Rob Clark <robdclark@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Sandy Huang <hjc@rock-chips.com> Cc: "Heiko Stübner" <heiko@sntech.de> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: VMware Graphics <linux-graphics-maintainer@vmware.com> Cc: Sinclair Yeh <syeh@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Archit Taneja <architt@codeaurora.org> Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-tegra@vger.kernel.org Cc: Russell King <rmk+kernel@armlinux.org.uk> Suggested-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> #msm Link: https://patchwork.freedesktop.org/patch/msgid/20180123170857.13818-5-ville.syrjala@linux.intel.com Acked-by: Liviu Dudau <liviu.dudau@arm.com> #hdlcd,malidp Acked-by: Philipp Zabel <p.zabel@pengutronix.de> #imx,mtk Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> #vmwgfx Acked-by: Neil Armstrong <narmstrong@baylibre.com> #meson Acked-by: Shawn Guo <shawnguo@kernel.org> #zte
2018-01-23drm/arm/mali-dp: Use drm_mode_get_hv_timing() to populate plane clip rectangleVille Syrjälä1-2/+4
Use drm_mode_get_hv_timing() to fill out the plane clip rectangle. Note that this replaces crtc_state->adjusted_mode usage with crtc_state->mode. The latter is the correct choice since that's the mode the user provided and it matches the plane crtc coordinates the user also provided. Once everyone agrees on this we can move the clip handling into drm_atomic_helper_check_plane_state(). Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171123190502.28449-5-ville.syrjala@linux.intel.com Acked-by: Liviu Dudau <liviu.dudau@arm.com> Reviewed-by: Thierry Reding <treding@nvidia.com>
2018-01-23drm/arm/hdlcd: Use drm_mode_get_hv_timing() to populate plane clip rectangleVille Syrjälä1-2/+3
Use drm_mode_get_hv_timing() to fill out the plane clip rectangle. Note that this replaces crtc_state->adjusted_mode usage with crtc_state->mode. The latter is the correct choice since that's the mode the user provided and it matches the plane crtc coordinates the user also provided. Once everyone agrees on this we can move the clip handling into drm_atomic_helper_check_plane_state(). Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171123190502.28449-4-ville.syrjala@linux.intel.com Acked-by: Liviu Dudau <liviu.dudau@arm.com> Reviewed-by: Thierry Reding <treding@nvidia.com>
2017-12-08drm/arm/mali: Use drm_fb_cma_fbdev_init/fini()Noralf Trønnes2-33/+7
Use drm_fb_cma_fbdev_init() and drm_fb_cma_fbdev_fini() which relies on the fact that drm_device holds a pointer to the drm_fb_helper structure. This means that the driver doesn't have to keep track of that. Also use the drm_fb_helper functions directly. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171115142001.45358-20-noralf@tronnes.org
2017-12-04Merge arlied/drm-next into drm-misc-nextGustavo Padovan8-88/+107
We need to pull 66660d4cf21b (drm: add connector info/property for non-desktop displays [v2]) into drm-misc-next to continue the development of the display rotation series. Effectively this also pulls 4.15-r2 into drm-misc-next. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
2017-12-04Merge tag 'drm-misc-next-2017-11-30' of ↵Dave Airlie3-6/+7
git://anongit.freedesktop.org/drm/drm-misc into drm-next Cross-subsystem Changes: - device tree doc for the Mitsubishi AA070MC01 and Tianma TM070RVHG71 panels (Lukasz Majewski) and for a 2nd endpoint on stm32 (Philippe Cornu) Core Changes: The most important changes are: - Add drm_driver .last_close and .output_poll_changed helpers to reduce fbdev emulation footprint in drivers (Noralf) - Fix plane clipping in core and for vmwgfx (Ville) Then we have a bunch of of improvement for print and debug such as the addition of a framebuffer debugfs file. ELD connector, HDMI and improvements. And a bunch of misc improvements, clean ups and style changes and doc updates [airlied: drop eld bits from amdgpu_dm] Driver Changes: - sii8620: filter unsupported modes and add DVI mode support (Maciej Purski) - rockchip: analogix_dp: Remove unnecessary init code (Jeffy Chen) - virtio, cirrus: add fb create_handle support to enable screenshots(Lepton Wu) - virtio: replace reference/unreference with get/put (Aastha Gupta) - vc4, gma500: Convert timers to use timer_setup() (Kees Cook) - vc4: Reject HDMI modes with too high of clocks (Eric) - vc4: Add support for more pixel formats (Dave Stevenson) - stm: dsi: Rename driver name to "stm32-display-dsi" (Philippe Cornu) - stm: ltdc: add a 2nd endpoint (Philippe Cornu) - via: use monotonic time for VIA_WAIT_IRQ (Arnd Bergmann) * tag 'drm-misc-next-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc: (96 commits) drm/bridge: tc358767: add copyright lines MAINTAINERS: change maintainer for Rockchip drm drivers drm/vblank: Fix vblank timestamp debugs drm/via: use monotonic time for VIA_WAIT_IRQ dma-buf: Fix ifnullfree.cocci warnings drm/printer: Add drm_vprintf() drm/edid: Allow HDMI infoframe without VIC or S3D video/hdmi: Allow "empty" HDMI infoframes dma-buf/fence: Fix lock inversion within dma-fence-array drm/sti: Handle return value of platform_get_irq_byname drm/vc4: Add support for NV21 and NV61. drm/vc4: Use .pixel_order instead of custom .flip_cbcr drm/vc4: Add support for DRM_FORMAT_RGB888 and DRM_FORMAT_BGR888 drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c drm: Check crtc_state->enable rather than crtc->enabled in drm_plane_helper_check_state() drm/vmwgfx: Try to fix plane clipping drm/vmwgfx: Use drm_plane_helper_check_state() drm/vmwgfx: Remove bogus crtc coords vs fb size check gpu: gma500: remove unneeded DRIVER_LICENSE #define drm: don't link DP aux i2c adapter to the hardware device node ...
2017-12-01Merge branch 'for-upstream/mali-dp' of git://linux-arm.org/linux-ld into ↵Dave Airlie5-83/+99
drm-fixes mali-dp interface cleanups. * 'for-upstream/mali-dp' of git://linux-arm.org/linux-ld: drm: mali-dp: Disable planes when their CRTC gets disabled. drm: mali-dp: Separate static internal data into a read-only structure. drm/arm: Replace instances of drm_dev_unref with drm_dev_put. drm: mali-dp: switch to drm_*_get(), drm_*_put() helpers
2017-12-01Merge branch 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld into drm-fixesDave Airlie2-5/+7
3 hdlcd fixes/cleanups * 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld: drm/arm: Replace instances of drm_dev_unref with drm_dev_put. drm: Fix checkpatch issue: "WARNING: braces {} are not necessary for single statement blocks." drm: hdlcd: Update PM code to save/restore console.
2017-11-30drm/arm/mali: Use drm_mode_config_helper_suspend/resume()Noralf Trønnes2-22/+3
Replace driver's code with the generic helpers that do the same thing. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171106191812.38927-4-noralf@tronnes.org
2017-11-27drm/arm: Replace instances of drm_dev_unref with drm_dev_put.Srishti Sharma1-2/+2
Replace drm_dev_unref with drm_dev_put as it is more consistent with kernel coding style. Done using the following semantic patch by coccinelle. @r@ expression e; @@ -drm_dev_unref(); +drm_dev_put(); Signed-off-by: Srishti Sharma <srishtishar@gmail.com> [split into hdlcd and malidp specific patches] Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-11-27drm: Fix checkpatch issue: "WARNING: braces {} are not necessary for single ↵Vitor Massaru Iha1-2/+1
statement blocks." Signed-off-by: Vitor Massaru Iha <vitor@massaru.org> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-11-24drm: mali-dp: Disable planes when their CRTC gets disabled.Liviu Dudau1-0/+3
Make sure only the planes on the active CRTCs get committed and that all planes on the disabled CRTCs get turned off. Reviewed-by: Brian Starkey <brian.starkey@arm.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-11-24drm: mali-dp: Separate static internal data into a read-only structure.Liviu Dudau5-80/+93
The malidp_hw_device structure that the driver uses to handle the differences between versions of the IP contains both non-changeable data and fields that get updated at probe time. Previously we were copying the read-only part into allocated memory, but that can be completely avoided by splitting the structure into a read-only part and keeping the runtime modifiable fields into the old structure. Reviewed-by: Brian Starkey <brian.starkey@arm.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-11-24drm/arm: Replace instances of drm_dev_unref with drm_dev_put.Srishti Sharma1-2/+2
Replace drm_dev_unref with drm_dev_put as it is more consistent with kernel coding style. Done using the following semantic patch by coccinelle. @r@ expression e; @@ -drm_dev_unref(); +drm_dev_put(); Signed-off-by: Srishti Sharma <srishtishar@gmail.com> [split patch into hdlcd and mali-dp versions] Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-11-24drm: mali-dp: switch to drm_*_get(), drm_*_put() helpersCihangir Akturk1-1/+1
Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and drm_*_unreference() helpers. drm_*_reference() and drm_*_unreference() functions are just compatibility alias for drm_*_get() and drm_*_put() and should not be used by new code. So convert all users of compatibility functions to use the new APIs. Generated by: scripts/coccinelle/api/drm-get-put.cocci Signed-off-by: Cihangir Akturk <cakturk@gmail.com> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-11-24drm: hdlcd: Update PM code to save/restore console.Liviu Dudau1-1/+4
Update the PM code to suspend/resume the fbdev_cma console. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
2017-11-20drm: Move drm_plane_helper_check_state() into drm_atomic_helper.cVille Syrjälä2-6/+6
drm_plane_helper_check_update() isn't a transitional helper, so let's rename it to drm_atomic_helper_check_plane_state() and move it into drm_atomic_helper.c. v2: Fix the WARNs about plane_state->crtc matching crtc_state->crtc Cc: Daniel Vetter <daniel@ffwll.ch> Suggested-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171101201619.6175-1-ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-11-20drm: Check crtc_state->enable rather than crtc->enabled in ↵Ville Syrjälä2-2/+3
drm_plane_helper_check_state() drm_plane_helper_check_state() is supposed to do things the atomic way, so it should not be inspecting crtc->enabled. Rather we should be looking at crtc_state->enable. We have a slight complication due to drm_plane_helper_check_update() reusing drm_plane_helper_check_state() for non-atomic drivers. Thus we'll have to pass the crtc_state in manally and construct a fake crtc_state in drm_plane_helper_check_update(). v2: Fix the WARNs about plane_state->crtc matching crtc_state->crtc Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171101201558.6059-1-ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-11-15Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds2-2/+4
Pull drm updates from Dave Airlie: "This is the main drm pull request for v4.15. Core: - Atomic object lifetime fixes - Atomic iterator improvements - Sparse/smatch fixes - Legacy kms ioctls to be interruptible - EDID override improvements - fb/gem helper cleanups - Simple outreachy patches - Documentation improvements - Fix dma-buf rcu races - DRM mode object leasing for improving VR use cases. - vgaarb improvements for non-x86 platforms. New driver: - tve200: Faraday Technology TVE200 block. This "TV Encoder" encodes a ITU-T BT.656 stream and can be found in the StorLink SL3516 (later Cortina Systems CS3516) as well as the Grain Media GM8180. New bridges: - SiI9234 support New panels: - S6E63J0X03, OTM8009A, Seiko 43WVF1G, 7" rpi touch panel, Toshiba LT089AC19000, Innolux AT043TN24 i915: - Remove Coffeelake from alpha support - Cannonlake workarounds - Infoframe refactoring for DisplayPort - VBT updates - DisplayPort vswing/emph/buffer translation refactoring - CCS fixes - Restore GPU clock boost on missed vblanks - Scatter list updates for userptr allocations - Gen9+ transition watermarks - Display IPC (Isochronous Priority Control) - Private PAT management - GVT: improved error handling and pci config sanitizing - Execlist refactoring - Transparent Huge Page support - User defined priorities support - HuC/GuC firmware refactoring - DP MST fixes - eDP power sequencing fixes - Use RCU instead of stop_machine - PSR state tracking support - Eviction fixes - BDW DP aux channel timeout fixes - LSPCON fixes - Cannonlake PLL fixes amdgpu: - Per VM BO support - Powerplay cleanups - CI powerplay support - PASID mgr for kfd - SR-IOV fixes - initial GPU reset for vega10 - Prime mmap support - TTM updates - Clock query interface for Raven - Fence to handle ioctl - UVD encode ring support on Polaris - Transparent huge page DMA support - Compute LRU pipe tweaks - BO flag to allow buffers to opt out of implicit sync - CTX priority setting API - VRAM lost infrastructure plumbing qxl: - fix flicker since atomic rework amdkfd: - Further improvements from internal AMD tree - Usermode events - Drop radeon support nouveau: - Pascal temperature sensor support - Improved BAR2 handling - MMU rework to support Pascal MMU exynos: - Improved HDMI/mixer support - HDMI audio interface support tegra: - Prep work for tegra186 - Cleanup/fixes msm: - Preemption support for a5xx - Display fixes for 8x96 (snapdragon 820) - Async cursor plane fixes - FW loading rework - GPU debugging improvements vc4: - Prep for DSI panels - fix T-format tiling scanout - New madvise ioctl Rockchip: - LVDS support omapdrm: - omap4 HDMI CEC support etnaviv: - GPU performance counters groundwork sun4i: - refactor driver load + TCON backend - HDMI improvements - A31 support - Misc fixes udl: - Probe/EDID read fixes. tilcdc: - Misc fixes. pl111: - Support more variants adv7511: - Improve EDID handling. - HDMI CEC support sii8620: - Add remote control support" * tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux: (1480 commits) drm/rockchip: analogix_dp: Use mutex rather than spinlock drm/mode_object: fix documentation for object lookups. drm/i915: Reorder context-close to avoid calling i915_vma_close() under RCU drm/i915: Move init_clock_gating() back to where it was drm/i915: Prune the reservation shared fence array drm/i915: Idle the GPU before shinking everything drm/i915: Lock llist_del_first() vs llist_del_all() drm/i915: Calculate ironlake intermediate watermarks correctly, v2. drm/i915: Disable lazy PPGTT page table optimization for vGPU drm/i915/execlists: Remove the priority "optimisation" drm/i915: Filter out spurious execlists context-switch interrupts drm/amdgpu: use irq-safe lock for kiq->ring_lock drm/amdgpu: bypass lru touch for KIQ ring submission drm/amdgpu: Potential uninitialized variable in amdgpu_vm_update_directories() drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs() drm/amd/powerplay: initialize a variable before using it drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels drm/amd/amdgpu: fix evicted VRAM bo adjudgement condition drm/vblank: Tune drm_crtc_accurate_vblank_count() WARN down to a debug drm/rockchip: add CONFIG_OF dependency for lvds ...
2017-11-11drm/arm/hdlcd: Use drm_gem_cma_print_info()Noralf Trønnes1-1/+1
There is a new core debugfs file that prints fb/gem info: <debugfs>/dri/<n>/framebuffer Use drm_gem_cma_print_info() to provide info to that output instead of using drm_fb_cma_debugfs_show(). Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-10-noralf@tronnes.org
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman1-0/+1
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-27drm/arm/mali: Use drm_gem_fb_create()Noralf Trønnes1-1/+2
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now, so use the function directly. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-7-git-send-email-noralf@tronnes.org
2017-08-27drm/arm/hdlcd: Use drm_gem_fb_create()Noralf Trønnes1-1/+2
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now, so use the function directly. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-6-git-send-email-noralf@tronnes.org
2017-08-08drm: Nuke drm_atomic_helper_plane_set_propertyDaniel Vetter1-1/+0
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>
2017-08-01drm: Plumb modifiers through plane initBen Widawsky2-1/+2
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/arm: mali-dp: Use .dumb_map_offset and .dumb_destroy defaultsNoralf Trønnes1-2/+0
This driver can use the drm_driver.dumb_destroy and drm_driver.dumb_map_offset defaults, so no need to set them. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Brian Starkey <brian.starkey@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/1500837417-40580-6-git-send-email-noralf@tronnes.org
2017-07-29drm/arm: hdlcd: Use .dumb_map_offset and .dumb_destroy defaultsNoralf Trønnes1-2/+0
This driver can use the drm_driver.dumb_destroy and drm_driver.dumb_map_offset defaults, so no need to set them. Cc: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Brian Starkey <brian.starkey@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/1500837417-40580-5-git-send-email-noralf@tronnes.org
2017-07-13drm/mali: Use new atomic iterator macrosMaarten Lankhorst1-1/+1
for_each_obj_in_state is about to be removed, so use the new iterator macros. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170712081344.25495-12-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Liviu Dudau <liviu.dudau@arm.com>
2017-06-30drm: Convert atomic drivers from CRTC .disable() to .atomic_disable()Laurent Pinchart2-4/+6
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 Pinchart2-4/+6
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
2017-06-28drm/hdlcd: remove drm_vblank_cleanup, rise of the zoombies editionDaniel Vetter1-2/+0
This was accidentally restored in commit de5cc8155cd250a31da67dea49aff7637ce98887 Author: Liviu Dudau <Liviu.Dudau@arm.com> Date: Tue Jun 6 15:05:21 2017 +0100 drm/arm: hdlcd: Set the CRTC's port before binding the encoder Fixes: de5cc8155cd2 ("drm/arm: hdlcd: Set the CRTC's port before binding the encoder.") Cc: Liviu Dudau <Liviu.Dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170628091141.14539-1-daniel.vetter@ffwll.ch
2017-06-21drm/arm: hdlcd: remove unused variablesArnd Bergmann1-1/+1
The last rework left behind two unused variables: drm/arm/hdlcd_crtc.c: In function 'hdlcd_plane_atomic_update': drm/arm/hdlcd_crtc.c:264:13: warning: unused variable 'src_y' [-Wunused-variable] drm/arm/hdlcd_crtc.c:264:6: warning: unused variable 'src_x' [-Wunused-variable] This removes them. Fixes: b2ae06ae9834 ("drm/arm: hdlcd: Use CMA helper for plane buffer address calculation") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-06-21drm/arm: hdlcd: Use CMA helper for plane buffer address calculationLiviu Dudau1-8/+1
CMA has gained a recent helper function for calculating the start of the plane buffer's physical address. Use that instead of the hand rolled version. Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-06-21drm/arm: hdlcd: Set the CRTC's port before binding the encoder.Liviu Dudau1-0/+9
The component-based encoder(s) used by HDLCD expect the CRTC port to be set before binding in order to find the right endpoint. Without this patch, the TDA19988 encoder driver prints a warning "Falling back to first CRTC". Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
2017-06-16drm/arm: mali-dp: Use CMA helper for plane buffer address calculationLiviu Dudau1-7/+5
CMA has gained a recent helper function for calculating the start of a plane buffer's physical address. Use that instead of the hand rolled version. Cc: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2017-06-16drm/mali-dp: Check PM status when sharing interrupt linesLiviu Dudau1-3/+16
If an instance of Mali DP hardware shares the interrupt line with another hardware (usually another instance of the Mali DP) its interrupt handler can get called when the device is suspended. Check the PM status before making access to the hardware registers to avoid deadlocks. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
2017-06-16drm/arm: malidp: Use crtc->mode_valid() callbackJose Abreu1-6/+5
Now that we have a callback to check if crtc supports a given mode we can use it in malidp so that we restrict the number of probbed modes to the ones we can actually display. Also, remove the mode_fixup() callback as this is no longer needed because mode_valid() will be called before. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Cc: Carlos Palminha <palminha@synopsys.com> Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Airlie <airlied@linux.ie> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Liviu Dudau <liviu@dudau.co.uk>
2017-06-06Merge tag 'drm-misc-next-2017-06-02' of ↵Dave Airlie2-4/+0
git://anongit.freedesktop.org/git/drm-misc into drm-next Core Changes: - Stop proliferation of drm_vblank_cleanup by adding to the docs and deleting boilerplate (Daniel) - Roll out and use mode_valid hooks across crtc/encoder/bridge (Jose) - Add drm_vblank.[hc] to isolate vblank code from optional irq helpers (Daniel) Driver Changes: - Replace drm_for_each_connector with drm_for_each_connector_iter (Gustavo) - A couple misc driver fixes Cc: Gustavo Padovan <gustavo.padovan@collabora.com> Cc: Jose Abreu <Jose.Abreu@synopsys.com> Cc: Daniel Vetter <daniel.vetter@intel.com> * tag 'drm-misc-next-2017-06-02' of git://anongit.freedesktop.org/git/drm-misc: (34 commits) drm/vc4: Mark the device as active when enabling runtime PM. drm: remove writeq/readq function definitions drm/atmel-hlcdc: Use crtc->mode_valid() callback drm/exynos: Drop drm_vblank_cleanup drm/hdlcd|mali: Drop drm_vblank_cleanup drm/doc: Polish irq helper documentation drm: Extract drm_vblank.[hc] drm/vc4: Fix comment in vc4_drv.h drm/pl111: fix warnings without CONFIG_ARM_AMBA drm/atomic: Consitfy mode parameter to drm_atomic_set_mode_for_crtc() drm/arcgpu: Drop drm_vblank_cleanup drm/atmel: Drop drm_vblank_cleanup drm/imx: Drop drm_vblank_cleanup drm/meson: Drop drm_vblank_cleanup drm/stm: Drop drm_vblank_cleanup drm/sun4i: Drop drm_vblank_cleanup drm: better document how to send out the crtc disable event drm: Use vsnprintf extension %ph drm/doc: move printf helpers out of drmP.h drm/pl111: select DRM_PANEL ...
2017-06-01drm/hdlcd|mali: Drop drm_vblank_cleanupDaniel Vetter2-4/+0
IRQs are properly shut down, so it almost works as race-free shutdown. Except the irq is stopped after the vblank stuff, so boom anyway. Proper way would be to call drm_atomic_helper_shutdown before any of the kms things gets stopped. So no harm in removing the drm_vblank_cleanup here really. Same story for both hdlcd and mali. v2: Move misplaced malidp hunk to this patch (Liviu). Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-17-daniel.vetter@ffwll.ch
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