- 23 4月, 2019 1 次提交
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由 Lucas Stach 提交于
In order to make sure that the plane color space gets reset correctly. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 22 2月, 2019 1 次提交
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由 Lucas Stach 提交于
Currently there is a small race window where we could manage to arm the vblank event from atomic flush, but programming the hardware was too close to the frame end, so the hardware will only apply the current state on the next vblank. In this case we will send out the commit done event too early causing userspace to reuse framebuffes that are still in use. Instead of using the event arming mechnism, just remember the pending event and send it from the vblank IRQ handler, once we are sure that all state has been applied successfully. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> [p.zabel@pengutronix.de: inverted logic: done -> pending, added back spinlock in atomic_flush, commit message typo fix] Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 24 1月, 2019 1 次提交
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由 Daniel Vetter 提交于
Having the probe helper stuff (which pretty much everyone needs) in the drm_crtc_helper.h file (which atomic drivers should never need) is confusing. Split them out. To make sure I actually achieved the goal here I went through all drivers. And indeed, all atomic drivers are now free of drm_crtc_helper.h includes. v2: Make it compile. There was so much compile fail on arm drivers that I figured I'll better not include any of the acks on v1. v3: Massive rebase because i915 has lost a lot of drmP.h includes, but not all: Through drm_crtc_helper.h > drm_modeset_helper.h -> drmP.h there was still one, which this patch largely removes. Which means rolling out lots more includes all over. This will also conflict with ongoing drmP.h cleanup by others I expect. v3: Rebase on top of atomic bochs. v4: Review from Laurent for bridge/rcar/omap/shmob/core bits: - (re)move some of the added includes, use the better include files in other places (all suggested from Laurent adopted unchanged). - sort alphabetically v5: Actually try to sort them, and while at it, sort all the ones I touch. v6: Rebase onto i915 changes. v7: Rebase once more. Acked-by: NHarry Wentland <harry.wentland@amd.com> Acked-by: NSam Ravnborg <sam@ravnborg.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: NRodrigo Vivi <rodrigo.vivi@intel.com> Acked-by: NBenjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: NJani Nikula <jani.nikula@intel.com> Acked-by: NNeil Armstrong <narmstrong@baylibre.com> Acked-by: NOleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Acked-by: NCK Hu <ck.hu@mediatek.com> Acked-by: NAlex Deucher <alexander.deucher@amd.com> Acked-by: NSam Ravnborg <sam@ravnborg.org> Reviewed-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: NLiviu Dudau <liviu.dudau@arm.com> Signed-off-by: NDaniel Vetter <daniel.vetter@intel.com> Cc: linux-arm-kernel@lists.infradead.org Cc: virtualization@lists.linux-foundation.org Cc: etnaviv@lists.freedesktop.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: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: spice-devel@lists.freedesktop.org Cc: amd-gfx@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-tegra@vger.kernel.org Cc: xen-devel@lists.xen.org Link: https://patchwork.freedesktop.org/patch/msgid/20190117210334.13234-1-daniel.vetter@ffwll.ch
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- 05 11月, 2018 1 次提交
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由 Fabio Estevam 提交于
Adopt the SPDX license identifier headers to ease license compliance management. Signed-off-by: NFabio Estevam <festevam@gmail.com> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 16 7月, 2018 1 次提交
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由 Leonard Crestez 提交于
When the definition of this struct was removed a forward declaration and an unused struct member were still left around. Remove them because they serve no purpose. Fixes 44b460cf ("drm: imx: remove struct imx_drm_crtc and imx_drm_crtc_helper_funcs") Signed-off-by: NLeonard Crestez <leonard.crestez@nxp.com> Reviewed-by: NFabio Estevam <fabio.estevam@nxp.com> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 02 7月, 2018 1 次提交
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由 Ville Syrjälä 提交于
Use drm_plane_mask() where appropriate. Cc: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180626194716.12522-6-ville.syrjala@linux.intel.comReviewed-by: NRodrigo Vivi <rodrigo.vivi@intel.com> Acked-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 16 3月, 2018 1 次提交
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由 Lucas Stach 提交于
Right now the vblank event completion is racing with the atomic update, which is especially bad when the PRE is in use, as one of the hardware issue workaround might extend the atomic commit for quite some time. If the vblank IRQ happens to trigger during that time, we will prematurely signal the atomic commit completion to userspace, which causes tearing when userspace re-uses a framebuffer we haven't managed to flip away from yet. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 02 10月, 2017 1 次提交
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由 Cihangir Akturk 提交于
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: NCihangir Akturk <cakturk@gmail.com> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 30 6月, 2017 1 次提交
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由 Laurent Pinchart 提交于
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: NLaurent 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: NDaniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170630093646.7928-2-laurent.pinchart+renesas@ideasonboard.com
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- 04 4月, 2017 1 次提交
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由 Lucas Stach 提交于
While it is possible to hook other CRTC implementations into imx-drm in practice there are none yet and the option to disable ipuv3-crtc support has been hidden for a long time. Now that the imx-drm-core has learned to deal with some of the specifics of IPUv3 there is a cyclic dependency between both parts. To get rid of this and to decimate the Kconfig maze a bit, simply merge both parts into one module. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 16 3月, 2017 1 次提交
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由 Lucas Stach 提交于
On i.MX6 QuadPlus the PRG needs to be clocked in order to pass through the data access requests from the IDMAC. This call is a no-op for other all other SoCs. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 15 3月, 2017 1 次提交
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由 Philipp Zabel 提交于
The DP (display processor) channel disable code tried to busy wait for the DP sync flow end interrupt status bit when disabling the partial plane without a full modeset. That never worked reliably, and it was disabled completely by the recent "gpu: ipu-v3: remove IRQ dance on DC channel disable" patch, causing ipu_wait_interrupt to always time out after 50 ms, which in turn would trigger a timeout in drm_atomic_helper_wait_for_vblanks. This patch changes ipu_plane_atomic_disable to only queue a DP channel register update at the next frame boundary and set a flag, which can be done without any waiting whatsoever. The imx_drm_atomic_commit_tail then calls a new ipu_plane_disable_deferred function that does the actual IDMAC teardown of the planes that are flagged for deferred disabling, after waiting for the vblank. Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de> Reviewed-by: NLucas Stach <l.stach@pengutronix.de>
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- 09 2月, 2017 1 次提交
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由 Shawn Guo 提交于
With the vblank hooks in struct drm_crtc_funcs, we do not need to maintain the CRTC specific vblank callbacks with struct imx_drm_crtc_helper_funcs any more. By moving the stuff that we currently do in imx_drm_add_crtc(), like of_node setting and drm_crtc_helper_add()/drm_crtc_init_with_planes() invoking, we can kill things like struct imx_drm_crtc, imx_drm_crtc_helper_funcs and related functions completely. Functions ipu_enable_vblank() and ipu_disable_vblank() are moved around without changes, only for saving the forward declarations. Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Cc: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: NPhilipp Zabel <p.zabel@pengutronix.de> Link: http://patchwork.freedesktop.org/patch/msgid/1486458995-31018-13-git-send-email-shawnguo@kernel.org
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- 09 11月, 2016 1 次提交
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由 Lucas Stach 提交于
If the DC clock is disabled before the attached IDMACs are properly stopped the IDMACs may hang the IPU or even the whole system. Make sure the IDMACs are in safe state by disabling the planes before removal of the DC clock. Also set the atomic parameter to false to stop calling the atomic_begin hook, which does nothing useful as we immediately afterwards turn off vblank interrupts and possibly send the pending vblank event. Fixes: 33f14235 (drm/imx: atomic phase 1: Use transitional atomic CRTC and plane helpers) Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 30 8月, 2016 1 次提交
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由 Lucas Stach 提交于
The atomic conversion lost the notification to let the DRM core know about the current state of the CRTC vblank interrupts. This regressed the ability of the core to reject page flip attempts on currently disabled CRTCs. Add back the notifications. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 29 8月, 2016 3 次提交
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由 Lucas Stach 提交于
Instead let drm_mode_config_cleanup() do the work when taking down the master device. This requires all cleanup functions to be properly hooked up to the mode object .destroy callback. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
The IPUv3 display controller behind imx-drm needs all planes of a CRTC be disabled when the CRTC is disabled. The DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET flag reflects this hardware requirement. Let's use the flag for imx-drm. Suggested-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: David Airlie <airlied@linux.ie> Cc: Russell King <linux@armlinux.org.uk> Cc: Peter Senna Tschudin <peter.senna@gmail.com> Cc: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
Now that the drm atomic core supports the callback ->atomic_disable, we may replace the legacy one ->disable with it. Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: David Airlie <airlied@linux.ie> Cc: Russell King <linux@armlinux.org.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Peter Senna Tschudin <peter.senna@gmail.com> Cc: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 12 8月, 2016 1 次提交
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由 Daniel Vetter 提交于
Everyone who uses the fbdev emulation helpers doesn't need to include fb.h directly. Remove it. Reviewed-by: NAlex Deucher <alexander.deucher@amd.com> Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1470847958-28465-3-git-send-email-daniel.vetter@ffwll.ch
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- 08 8月, 2016 1 次提交
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由 Liu Ying 提交于
imx_drm_handle_vblank() is just a simple wrapper of drm_crtc_handle_vblank() without doing any thing fancy - drm_crtc_handle_vblank() can be called directly. So, let's remove the wrapper. Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 13 7月, 2016 8 次提交
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由 Philipp Zabel 提交于
This allows the compiler to do type checking. Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Philipp Zabel 提交于
The internal bus configuration is imx-drm specific crtc state. Store it in imx_crtc_state and let the encoder atomic_check callbacks determine bus_flags, bus_format and the sync pins, possibly taking into account the mode and the connector display info. The custom imx_drm_encoder structure can be replaced again with drm_encoder. Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
Now that we can use atomic configurations, all the legacy callbacks of CRTCs, encoders and connectors can be switched to the atomic version. For the imx-ldb driver, there is a clock parent setting mismatch bewteen ->enable and ->disable after the switch, so a fixup is added. For the imx-tve driver, since the encoder's callback ->dpms is replaced by ->disable, we need to move the setting for the IPU_CLK_EN bit(in register TVE_COM_CONF_REG) from ->enable/->disable to ->mode_set, otherwise, the relevant CRTC cannot be disabled correctly with a warning on DC stop timeout. Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Acked-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
Replacing drm_crtc_helper_set_config() by drm_atomic_helper_set_config() and converting the suspend/resume operations to atomic make us be able to use atomic configurations. All of these allow us to remove the crtc_funcs->mode_set callback as it is no longer used. Also, change the plane_funcs->update/disable_plane callbacks from the transitional version to the atomic version. Furthermore, switching to the pure atomic version of set_config callback means that we may implement CRTC/plane atomic checks by using the new CRTC/plane states instead of the legacy ones and we may remove the private ipu_crtc->enabled state which was left there for the transitional atomic helpers in phase 1. Page flip is also switched to the atomic version. Last, the legacy function drm_helper_disable_unused_functions() is removed from ->load in order not to confuse the atomic driver. Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Acked-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
The main task of imx encoders' ->prepare callbacks is to set bus_format, bus_flags, di_vsync_pin and di_hsync_pin. We may create a structure named imx_encoder to cache them. The atomic encoder callback ->disable may replace ->prepare later, so let's remove ->prepare. Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Acked-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
Use drm_atomic_set_fb_for_plane() in the legacy ->page_flip path to track the pointer plane_state->fb correctly. Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Acked-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
Wire up CRTCs', planes' and connectors' ->reset, ->duplicate and ->destroy state hooks to use the default implementations from the atomic helper library. The helpers track each DRM object state. Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Acked-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Liu Ying 提交于
Use the drm_plane_helper_update/disable() and drm_helper_crtc_mode_set() transitional atomic helpers. The crtc->mode_set_nofb callback is added so that the primary plane is no longer tied to the CRTC. Check/update logics are separated to make sure crtc->mode_set_nofb and plane->atomic_update are always successful. Also, some necessary logics are tweaked for a smooth transition. Signed-off-by: NLiu Ying <gnuiyl@gmail.com> Acked-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 30 5月, 2016 1 次提交
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由 Philipp Zabel 提交于
This patch allows panels to set pixel clock and data enable pin polarity other than the default of driving data at the falling pixel clock edge and active high display enable. Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 23 5月, 2016 1 次提交
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由 Philipp Zabel 提交于
The component master driver imx-drm-core matches component devices using their of_node. Since commit 950b410dd1ab ("gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading"), the imx-ipuv3-crtc dev->of_node is not set during probing. Before that, of_node was set and caused an of: modalias to be used instead of the platform: modalias, which broke module autoloading. On the other hand, if dev->of_node is not set yet when the imx-ipuv3-crtc probe function calls component_add, component matching in imx-drm-core fails. While dev->of_node will be set once the next component tries to bring up the component master, imx-drm-core component binding will never succeed if one of the crtc devices is probed last. Add of_node to the component platform data and match against the pdata->of_node instead of dev->of_node in imx-drm-core to work around this problem. Cc: <stable@vger.kernel.org> # 4.4.x Fixes: 950b410dd1ab ("gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading") Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de> Tested-by: NFabio Estevam <fabio.estevam@nxp.com> Tested-by: NLothar Waßmann <LW@KARO-electronics.de> Tested-by: NHeiko Schocher <hs@denx.de> Tested-by: NChris Ruehl <chris.ruehl@gtsys.com.hk>
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- 01 3月, 2016 5 次提交
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由 Lucas Stach 提交于
The vblank IRQ is only needed to trigger page flip work, so we might as well disable it when there is no work to do. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Lucas Stach 提交于
If the FB is backed by a GEM object with an dma-buf attached we need to wait for any pending fences to signal before executing the page flip. The implementation is straight forward by deferring the flip to a workqueue in that case. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Lucas Stach 提交于
The DRM core only references the currently queued/active framebuffer. So there is a period of time where the flip is not completed, but the GEM object backing the FB is already unreferenced and could be destroyed if userspace closes its handle. Make sure to keep a reference to the GEM object until the flip is actually executed clean things up in a worker running behind the flip execution. Also move the page flip event into the context of this worker, so it gets cleaned up automatically. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Lucas Stach 提交于
Start tracking the flip state explicitly, as opposed to inferring it from the presence if a new FB. This is a preparatory step to introduce an new immediate state, where we can wait for a fence to signal. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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由 Lucas Stach 提交于
The core already does the correct replacemet if the driver page flip function returns without an error, so there is no need to do it here. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 10 2月, 2016 1 次提交
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由 Lucas Stach 提交于
Make sure the DRM core is aware that there will be no vblank interrupts incoming if the CRTC is disabled. That way the core will reject any attempts from userspace to wait on a vblank event on a disabled CRTC. Signed-off-by: NLucas Stach <l.stach@pengutronix.de> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 08 2月, 2016 1 次提交
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由 Daniel Vetter 提交于
So this one is special, since it tries to prevent races when userspace crashes simply by disabling the vblank machinery. Well except that imx always has vblanks enabled, and the disable_vblank hook actually just tries to cancel a pending pageflip. Without any locking whatsoever. Of course this is wrong, since it'll result in the hw not actually displaying what drm thinks is the current frontbuffer. Well since the core takes care of the disappearing DRM fd now. So we can nuke all this confused code without ill side-effects. Someone else needs to audit the locking for ->newfb and ->page_flip_event and fix it up. Common approach is to reuse dev->event_lock for this. Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: NDaniel Stone <daniels@collabora.com> Reviewed-by: NAlex Deucher <alexander.deucher@amd.com> Acked-by: NPhilipp Zabel <p.zabel@pengutronix.de> Signed-off-by: NDaniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1453756616-28942-7-git-send-email-daniel.vetter@ffwll.ch
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- 15 12月, 2015 1 次提交
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由 Ville Syrjälä 提交于
Moves a bunch of junk to .rodata from .data. drivers/gpu/drm/imx/imxdrm.ko: -.rodata 624 +.rodata 652 -.data 372 +.data 344 drivers/gpu/drm/imx/imx-ipuv3-crtc.ko: -.rodata 224 +.rodata 280 -.data 184 +.data 128 drivers/gpu/drm/imx/imx-ldb.ko: -.rodata 660 +.rodata 784 -.data 240 +.data 116 drivers/gpu/drm/imx/imx-tve.ko: -.rodata 400 +.rodata 524 -.data 416 +.data 292 drivers/gpu/drm/imx/parallel-display.ko: -.rodata 400 +.rodata 524 -.data 216 +.data 92 Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: NAlex Deucher <alexander.deucher@amd.com> Signed-off-by: NThierry Reding <treding@nvidia.com> Signed-off-by: NBoris Brezillon <boris.brezillon@free-electrons.com> Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-22-git-send-email-boris.brezillon@free-electrons.comSigned-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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- 25 11月, 2015 1 次提交
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由 Russell King 提交于
ipu_crtc_handle_pageflip() was calling drm_send_vblank_event() with a pipe argument of -1. Commit cc1ef118 ("drm/irq: Make pipe unsigned and name consistent") now makes this error obvious, as we now may get a warning from: if (WARN_ON(pipe >= dev->num_crtcs)) in drm_vblank_count_and_time(). Prior to this change, we would end up making out-of-bounds array accesses via: struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; and *vblanktime = vblanktimestamp(dev, pipe, cur_vblank); So, this has been broken for a very long time, and is not a result of the above commit. Since we don't care about the staging versions, I've tagged this with the earliest mainline commit where we do care, even though this commit did not introduce the bug. Fixes: 6556f7f8 ("drm: imx: Move imx-drm driver out of staging") Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
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- 24 11月, 2015 1 次提交
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由 Philipp Zabel 提交于
The crtc child device driver shouldn't modify the of_node of its platform device in the probe function. Instead, since the previous patch, the IPU core driver sets the of_node when the platform device is created. Drop the now unused custom imx_drm_get_port_by_id function. Suggested-by: NRussell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de> Acked-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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