- Dec 15, 2019
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Paul Cercueil authored
Instead of obtaining the width/height of the framebuffer from the CRTC state, obtain it from the current plane state. v2: No change Signed-off-by:
Paul Cercueil <paul@crapouillou.net> Link: https://patchwork.freedesktop.org/patch/msgid/20191210144142.33143-3-paul@crapouillou.net # *** extracted tags *** Acked-by:
Sam Ravnborg <sam@ravnborg.org>
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Paul Cercueil authored
It is possible that there is no drm_framebuffer associated with a given plane state. v2: Handle drm_plane->state which can be NULL too Signed-off-by:
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Paul Cercueil authored
Add a compatible string for the LCD controller found in the JZ4770 SoC. v2: No change Signed-off-by:
Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191210144142.33143-1-paul@crapouillou.net # *** extracted tags *** Acked-by:
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zhengbin authored
Fixes coccicheck warning: drivers/gpu/drm/sun4i/sun4i_layer.c:253:3-4: Unneeded semicolon drivers/gpu/drm/sun4i/sun4i_layer.c:257:2-3: Unneeded semicolon Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
zhengbin <zhengbin13@huawei.com> Signed-off-by:
Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/1576317091-24968-3-git-send-email-zhengbin13@huawei.com
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zhengbin authored
Fixes coccicheck warning: drivers/gpu/drm/sun4i/sun8i_mixer.c:289:3-4: Unneeded semicolon drivers/gpu/drm/sun4i/sun8i_mixer.c:292:2-3: Unneeded semicolon drivers/gpu/drm/sun4i/sun8i_mixer.c:302:3-4: Unneeded semicolon drivers/gpu/drm/sun4i/sun8i_mixer.c:305:2-3: Unneeded semicolon Reported-by:
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- Dec 14, 2019
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Linus Walleij authored
The GMA500 driver is using the legacy GPIO API to fetch three optional display control GPIO lines from the SFI description used by the Medfield platform. Switch this over to use GPIO descriptors and delete the custom platform data. We create three new static locals in the tc35876x bridge code but it is hardly any worse than the I2C client static local already there: I tried first to move it to the DRM driver state container but there are workarounds for probe order in the code so I just stayed off it, as the result is unpredictable. People wanting to do a more throrugh and proper cleanup of the GMA500 driver can work on top of this, I can't solve much more since I don't have access to the hardware, I can only attempt to tidy up my GPIO corner. Cc: Daniel Stone <daniels@collabora.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by:
Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191206094301.76368-1-linus.walleij@linaro.org Signed-off-by:
Linus Walleij <linus.walleij@linaro.org>
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Daniel Vetter authored
Checking both is one too much, so wrap a WARN_ON around it to stope the copypasta. Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Boris Brezillon <bbrezillon@kernel.org> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by:
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Jerry Han authored
Support Boe Himax8279d 8.0" 1200x1920 TFT LCD panel, it is a MIPI DSI panel. V11: - Use the backlight support in drm_panel to simplify the driver (Sam) V10: - Adjust init code, make the format more concise (Emil) V9: - kill off default_off_cmds (Emil) - use mipi_dsi_dcs_set_display_{on,off} in their enable/disable callbacks. (Emil) - Adjusting the delay function (Emil) V8: - modify PARENTHESIS_ALIGNMENT format (Sam) - use gpios are required API replace optional gpio API (Emil) V7: - Modify communication address V6: - Add the information of the reviewer - Remove unnecessary delays, The udelay_range code gracefully returns without hitting the scheduler on a delay of 0. (Derek) - Merge the same data structures, like display_mode and off_cmds (Derek) - Optimize the processing of results returned by devm_gpiod_get_optional (Derek) V5: - Add the information of the reviewer (Sam) - Delete unnecessary header files #include <linux/fb.h> (Sam) - The config DRM_PANEL_BOE_HIMAX8279D appears twice. Drop one of them (Sam) - ADD static, set_gpios function is not used outside this module (Sam) V4: - Frefix all function maes with boe_ (Sam) - Fsed "enable_gpio" replace "reset_gpio", Make it look clearer (Sam) - Sort include lines alphabetically (Sam) - Fixed entries in the makefile must be sorted alphabetically (Sam) - Add send_mipi_cmds function to avoid duplicating the code (Sam) - Add the necessary delay(reset_delay_t5) between reset and sending the initialization command (Rock wang) V3: - Remove unnecessary delays in sending initialization commands (Jitao Shi) V2: - Use SPDX identifier (Sam) - Use necessary header files replace drmP.h (Sam) - Delete unnecessary header files #include <linux/err.h> (Sam) - Specifies a GPIOs array to control the reset timing, instead of reading "dsi-reset-sequence" data from DTS (Sam) - Delete backlight_disable() function when already disabled (Sam) - Use devm_of_find_backlight() replace of_find_backlight_by_node() (Sam) - Move the necessary data in the DTS to the current file, like porch, display_mode and Init code etc. (Sam) - Add compatible device "boe,himax8279d10p" (Sam) V1: - Support Boe Himax8279d 8.0" 1200x1920 TFT LCD panel, it is a MIPI DSI panel. Signed-off-by:Jerry Han <jerry.han.hq@gmail.com> Reviewed-by:
Derek Basehore <dbasehore@chromium.org> Reviewed-by:
Emil Velikov <emil.l.velikov@gmail.com> Reported-by:
kbuild test robot <lkp@intel.com> Cc: Jitao Shi <jitao.shi@mediatek.com> Cc: Rock wang <rock_wang@himax.com.cn> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> [fixed boe_panel_get_modes + backlight] Link: https://patchwork.freedesktop.org/patch/msgid/20191212115208.3878-1-jerry.han.hq@gmail.com
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Daniel Vetter authored
globle, goblin, moblin? It's dead code, we lucked out. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Acked-by:
Jani Nikula <jani.nikula@intel.com> Signed-off-by:
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- Dec 13, 2019
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Jani Nikula authored
Now that the fbops member of struct fb_info is const, we can start making the ops const as well. Remove the redundant fbops assignments while at it. v2: - actually add const in vivid - fix typo (Christophe de Dinechin) Cc: Hans Verkuil <hverkuil@xs4all.nl> Cc: Andy Walls <awalls@md.metrocast.net> Cc: linux-media@vger.kernel.org Cc: ivtv-devel@ivtvdriver.org Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by:
Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by:
Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by:
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- Dec 12, 2019
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D32 is simple version of D71, the difference is: - Only has one pipeline - Drop the periph block and merge it to GCU v2: Rebase. v3: Isolate the block counting fix to a new patch Signed-off-by:
James Qian Wang (Arm Technology China) <james.qian.wang@arm.com> Reviewed-by:
Mihail Atanassov <mihail.atanassov@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084828.19664-3-james.qian.wang@arm.com
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1. Drop komeda-CORE product id comparison and put it into the d71_identify 2. Update pipeline node DT-binding: (a). Skip the needless pipeline DT node. (b). Return fail if the essential pipeline DT node is missing. With these changes, for chips in same family no need to change the DT. v2: Rebase v3: Address Mihail's comments. Signed-off-by:
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Per HW, d71->num_blocks includes reserved blocks but no PERIPH block, correct the block counting accordingly. D71 happens to only have one reserved block and periph block, which hides this counting error. Signed-off-by:
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Thomas Zimmermann authored
The remaining code in udl_fb.c is unused. Remove the file entirely. Signed-off-by:
Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by:
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Thomas Zimmermann authored
The only caller of udl_handle_damage() in the plane-update function in udl_modeset.c. Move udl_handle_damage() there. v2: * remove udl_fb.c in a separate patch Signed-off-by:
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Thomas Zimmermann authored
The udl driver stores the currently active framebuffer to know from where to accept damage updates. With the conversion to plane-state damage handling, this is not necessary any longer. The currently active framebuffer and damaged area are always stored in the plane state. Signed-off-by:
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Thomas Zimmermann authored
The infrastruture for atomic modesetting allows us to use the generic code for dirty-FB and damage handling. Switch over udl and remove the driver's implementation. The simple-pipe's update function now picks up the primary plane's damage and updates a minimal region of the screen. Signed-off-by:
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Thomas Zimmermann authored
The current default color depth of 24 bpp is not even supported by the driver. Being the native format for communicating with the adapter, 16 bpp is the correct choice. Signed-off-by:
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Thomas Zimmermann authored
DPMS functionality is only used by the CRTC's enable and disable functions. Inline the code. The patch also adds symbolic constants for the blank register and constants; according to udlfb, which is a bit more detailed than DRM's udl. v3: * use symbolic constants for blank, according to udlfb driver Signed-off-by:
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Thomas Zimmermann authored
We can use the generic suspend/resume helpers for atomic modesetting. Switch udl over. Signed-off-by:
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Thomas Zimmermann authored
Udl has a single display pipeline with a primary plane; perfect for simple-pipe helpers. Convert it over. The old encoder and CRTC code becomes unused and obsolete. Exported formats for the primary plane are RGB565 and XRGB8888, with the latter being emulated. The 16-bit format is the default and what is used when communicating with the device. This patch enables atomic modesetting for udl devices. v3: * remove unused field crtc from struct udl_device * set crtc_state->no_vblank at beginning of enable() v2: * move suspend/resume changes into separate patch * remove non-atomic code Signed-off-by:
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Thomas Zimmermann authored
To mimic simple-pipe, we initialize the connector before the rest of the display pipeline. v2: * remove unnecessary calls to drm_connector_{register,unregister}() Signed-off-by:
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- Dec 11, 2019
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Thomas Anderson authored
CEA-861-G adds modes up to 219, so increase the size of the maps in preparation for adding the new modes to drm_edid.c. Signed-off-by:
Thomas Anderson <thomasanderson@google.com> Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210221048.83628-1-thomasanderson@google.com
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Jani Nikula authored
Now that the fbops member of struct fb_info is const, we can start making the ops const as well. Cc: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com> Cc: Robin van der Gracht <robin@protonic.nl> Reviewed-by:
Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Acked-by:
Robin van der Gracht <robin@protonic.nl> Signed-off-by:
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John Stultz authored
Add very trivial allocation and import test for dma-heaps, utilizing the vgem driver as a test importer. A good chunk of this code taken from: tools/testing/selftests/android/ion/ionmap_test.c Originally by Laura Abbott <labbott@redhat.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Liam Mark <lmark@codeaurora.org> Cc: Pratik Patel <pratikp@codeaurora.org> Cc: Brian Starkey <Brian.Starkey@arm.com> Cc: Vincent Donnefort <Vincent.Donnefort@arm.com> Cc: Sudipto Paul <Sudipto.Paul@arm.com> Cc: Andrew F. Davis <afd@ti.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Chenbo Feng <fengc@google.com> Cc: Alistair Strachan <astrachan@google.com> Cc: Hridya Valsaraju <hridya@google.com> Cc: Sandeep Patil <sspatil@google.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Dave Airlie <airlied@gmail.com> Cc: dri-devel@lists.freedesktop.org Reviewed-by:
Benjamin Gaignard <benjamin.gaignard@linaro.org> Reviewed-by:
Brian Starkey <brian.starkey@arm.com> Acked-by:
Sandeep Patil <sspatil@android.com> Acked-by:
Laura Abbott <labbott@redhat.com> Tested-by:
Ayan Kumar Halder <ayan.halder@arm.com> Signed-off-by:
John Stultz <john.stultz@linaro.org> Signed-off-by:
Sumit Semwal <sumit.semwal@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191203172641.66642-6-john.stultz@linaro.org
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John Stultz authored
This adds a CMA heap, which allows userspace to allocate a dma-buf of contiguous memory out of a CMA region. This code is an evolution of the Android ION implementation, so thanks to its original author and maintainters: Benjamin Gaignard, Laura Abbott, and others! NOTE: This patch only adds the default CMA heap. We will enable selectively adding other CMA memory regions to the dmabuf heaps interface with a later patch (which requires a dt binding) Cc: Laura Abbott <labbott@redhat.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Liam Mark <lmark@codeaurora.org> Cc: Pratik Patel <pratikp@codeaurora.org> Cc: Brian Starkey <Brian.Starkey@arm.com> Cc: Vincent Donnefort <Vincent.Donnefort@arm.com> Cc: Sudipto Paul <Sudipto.Paul@arm.com> Cc: Andrew F. Davis <afd@ti.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Chenbo Feng <fengc@google.com> Cc: Alistair Strachan <astrachan@google.com> Cc: Hridya Valsaraju <hridya@google.com> Cc: Sandeep Patil <sspatil@google.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Dave Airlie <airlied@gmail.com> Cc: dri-devel@lists.freedesktop.org Reviewed-by:
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John Stultz authored
This patch adds system heap to the dma-buf heaps framework. This allows applications to get a page-allocator backed dma-buf for non-contiguous memory. This code is an evolution of the Android ION implementation, so thanks to its original authors and maintainters: Rebecca Schultz Zavin, Colin Cross, Laura Abbott, and others! Cc: Laura Abbott <labbott@redhat.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Liam Mark <lmark@codeaurora.org> Cc: Pratik Patel <pratikp@codeaurora.org> Cc: Brian Starkey <Brian.Starkey@arm.com> Cc: Vincent Donnefort <Vincent.Donnefort@arm.com> Cc: Sudipto Paul <Sudipto.Paul@arm.com> Cc: Andrew F. Davis <afd@ti.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Chenbo Feng <fengc@google.com> Cc: Alistair Strachan <astrachan@google.com> Cc: Hridya Valsaraju <hridya@google.com> Cc: Sandeep Patil <sspatil@google.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Dave Airlie <airlied@gmail.com> Cc: dri-devel@lists.freedesktop.org Reviewed-by:
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John Stultz authored
Add generic helper dmabuf ops for dma heaps, so we can reduce the amount of duplicative code for the exported dmabufs. This code is an evolution of the Android ION implementation, so thanks to its original authors and maintainters: Rebecca Schultz Zavin, Colin Cross, Laura Abbott, and others! Cc: Laura Abbott <labbott@redhat.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Liam Mark <lmark@codeaurora.org> Cc: Pratik Patel <pratikp@codeaurora.org> Cc: Brian Starkey <Brian.Starkey@arm.com> Cc: Vincent Donnefort <Vincent.Donnefort@arm.com> Cc: Sudipto Paul <Sudipto.Paul@arm.com> Cc: Andrew F. Davis <afd@ti.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Chenbo Feng <fengc@google.com> Cc: Alistair Strachan <astrachan@google.com> Cc: Hridya Valsaraju <hridya@google.com> Cc: Sandeep Patil <sspatil@google.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Dave Airlie <airlied@gmail.com> Cc: dri-devel@lists.freedesktop.org Reviewed-by:
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Andrew F. Davis authored
This framework allows a unified userspace interface for dma-buf exporters, allowing userland to allocate specific types of memory for use in dma-buf sharing. Each heap is given its own device node, which a user can allocate a dma-buf fd from using the DMA_HEAP_IOC_ALLOC. This code is an evoluiton of the Android ION implementation, and a big thanks is due to its authors/maintainers over time for their effort: Rebecca Schultz Zavin, Colin Cross, Benjamin Gaignard, Laura Abbott, and many other contributors! Cc: Laura Abbott <labbott@redhat.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Liam Mark <lmark@codeaurora.org> Cc: Pratik Patel <pratikp@codeaurora.org> Cc: Brian Starkey <Brian.Starkey@arm.com> Cc: Vincent Donnefort <Vincent.Donnefort@arm.com> Cc: Sudipto Paul <Sudipto.Paul@arm.com> Cc: Andrew F. Davis <afd@ti.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Chenbo Feng <fengc@google.com> Cc: Alistair Strachan <astrachan@google.com> Cc: Hridya Valsaraju <hridya@google.com> Cc: Sandeep Patil <sspatil@google.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Dave Airlie <airlied@gmail.com> Cc: dri-devel@lists.freedesktop.org Reviewed-by:
Andrew F. Davis <afd@ti.com> Signed-off-by:
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Sam Ravnborg authored
Fix link failure for module builds of panels. The conditional compilation around drm_panel_of_backlight() was wrong for a module build. Fix it using IS_ENABLED(). Signed-off-by:
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Daniel Vetter authored
Kernel sphinx has learned how to do that in commit d74b0d31 Author: Jonathan Corbet <corbet@lwn.net> Date: Thu Apr 25 07:55:07 2019 -0600 Docs: An initial automarkup extension for sphinx Unfortunately it hasn't learned that yet for structures, so we're stuck with the :c:type: noise for now still. Reviewed-by:
Thierry Reding <treding@nvidia.com> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by:
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Daniel Vetter authored
Both locking and especially sequencing of nonblocking commits have evolved a lot. The details are all there, but I noticed that the big picture and connections have fallen behind a bit. Apply polish. Motivated by some review discussions with Thierry. v2: Review from Thierry Reviewed-by:
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Mihail Atanassov authored
The function was unexported and was causing link failures for pl111 (and probably the other user tve200) in a module build. Fixes: d383fb5f ("drm: get drm_bridge_panel connector via helper") Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Linux Walleij <linux.walleij@linaro.org> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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- Dec 10, 2019
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Thomas Zimmermann authored
Reading the primary plane's framebuffer from the CRTC's atomic_flush() function is fragile as the plane state or framebuffer can be NULL. Instead, we let the plane's atomic_check() store the framebuffer format in the CRTC state. The CRTC always receives the framebuffer format that is currently programmed, or NULL if no mode has been set yet. Signed-off-by:
Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191202111557.15176-8-tzimmermann@suse.de
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Thomas Zimmermann authored
After looking up VBIOS mode information in CRTC's atomic_check(), we can reuse it in atomic_flush(). No need for a second look-up. Signed-off-by:
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Thomas Zimmermann authored
AST-specific CRTC state can be placed in the new struct ast_crtc_state. The atomic check functions of the CRTC and the primary plane will store the VBIOS mode info and the framebuffer format here. The CRTC will consume these during atomic_flush(). Signed-off-by:
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Thomas Zimmermann authored
Introducing atomic_check() for priamry and cursor plane. The functions validate the plane state and will later set format information for the CRTC's atomic_flush(). Signed-off-by:
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Thomas Zimmermann authored
In preparation of an update of the primary-plane code, this patch changes the arguments of several register-setting functions. No functional changes are made. The function ast_set_dac_reg() has no effect and therefore gets removed entirely. Signed-off-by:
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Thomas Zimmermann authored
Enabling and disabling the screen used to be done in the register initialization and the DPMS function. None of these places is related to the screen's output. Now the primary plane's update and disable functions handle screen display state. The primary plane can now be switched off without displaying garbage. Signed-off-by:
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Thomas Zimmermann authored
When enabling the CRTC after waking up from a power-saving mode, the primary plane's framebuffer might be NULL, which leads to a stack trace as shown below. [ 632.624608] BUG: kernel NULL pointer dereference, address: 0000000000000048 [ 632.624631] #PF: supervisor read access in kernel mode [ 632.624639] #PF: error_code(0x0000) - not-present page [ 632.624647] PGD 0 P4D 0 [ 632.624654] Oops: 0000 [#1] SMP PTI [ 632.624662] CPU: 0 PID: 2082 Comm: gnome-shell Tainted: G E 5.4.0-rc7-1-default+ #114 [ 632.624673] Hardware name: Sun Microsystems SUN FIRE X2270 M2/SUN FIRE X2270 M2, BIOS 2.05 07/01/2010 [ 632.624689] RIP: 0010:ast_crtc_helper_atomic_enable+0x7d/0x680 [ast] [ 632.624698] Code: 48 8b 80 e0 02 00 00 4c 8b 60 10 31 c0 f3 48 ab 48 8b 83 78 04 00 00 4c 89 ef 48 8d 70 18 e8 9a e9 55 ce 48 8b 83 78 04 00 00 <49> 8b 7c 24 48 4c 89 ea 4c 8d 44 24 28 48 8d 4c 24 20 48 8d 70 18 [ 632.624718] RSP: 0018:ffffbe9ec123fa40 EFLAGS: 00010246 [ 632.624726] RAX: ffff95a13cfd3400 RBX: ffff95a13cf32000 RCX: 0000000000000000 [ 632.624735] RDX: 0000000000000000 RSI: ffff95a13cfd34e8 RDI: ffffbe9ec123fb40 [ 632.624744] RBP: ffffbe9ec123fb80 R08: 0000000000000000 R09: 0000000000000003 [ 632.624753] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 632.624762] R13: ffffbe9ec123fa70 R14: ffff95a13beb7000 R15: ffff95a13cf32800 [ 632.624772] FS: 00007f6d2763e140(0000) GS:ffff95a134000000(0000) knlGS:0000000000000000 [ 632.624782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 632.624790] CR2: 0000000000000048 CR3: 00000001192f8004 CR4: 00000000000206f0 [ 632.624800] Call Trace: [ 632.624811] ? __lock_acquire+0x409/0x7c0 [ 632.624830] drm_atomic_helper_commit_modeset_enables+0x1af/0x200 [ 632.624840] drm_atomic_helper_commit_tail+0x32/0x70 [ 632.624849] commit_tail+0xc7/0x110 [ 632.624857] drm_atomic_helper_commit+0x121/0x130 [ 632.624867] drm_atomic_connector_commit_dpms+0xd7/0x100 [ 632.624878] set_property_atomic+0xaf/0x110 [ 632.624890] drm_mode_obj_set_property_ioctl+0xbb/0x190 [ 632.624899] ? drm_mode_obj_find_prop_id+0x40/0x40 [ 632.624909] drm_ioctl_kernel+0x86/0xd0 [ 632.624918] drm_ioctl+0x1e4/0x36b [ 632.624925] ? drm_mode_obj_find_prop_id+0x40/0x40 [ 632.624939] do_vfs_ioctl+0x4bd/0x6e0 [ 632.624949] ksys_ioctl+0x5e/0x90 [ 632.624957] __x64_sys_ioctl+0x16/0x20 [ 632.624966] do_syscall_64+0x5a/0x220 [ 632.624976] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 632.624984] RIP: 0033:0x7f6d2b0de387 [ 632.624991] Code: 00 00 90 48 8b 05 f9 9a 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c9 9a 0c 00 f7 d8 64 89 01 48 [ 632.625011] RSP: 002b:00007fffb49def38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 632.625021] RAX: ffffffffffffffda RBX: 00007fffb49def70 RCX: 00007f6d2b0de387 [ 632.625030] RDX: 00007fffb49def70 RSI: 00000000c01864ba RDI: 0000000000000009 [ 632.625040] RBP: 00000000c01864ba R08: 0000000000000000 R09: 00000000c0c0c0c0 [ 632.625049] R10: 0000000000000030 R11: 0000000000000246 R12: 000055bc367eb920 [ 632.625058] R13: 0000000000000009 R14: 0000000000000002 R15: 0000000000000000 [ 632.625071] Modules linked in: ebtable_filter(E) ebtables(E) ip6table_filter(E) ip6_tables(E) iptable_filter(E) ip_tables(E) x_tables(E) af_packet(E) scsi_transport_iscsi(E) dmi_sysfs(E) msr(E) xfs(E) intel_powerclamp(E) coretemp(E) k) [ 632.625185] CR2: 0000000000000048 The STR is * start gdm and wait for it to switch off the display * wake up the display by pressing a key CRTC modesetting depends on the new state of the CRTC and the primary plane's framebuffer. The bugfix moves the modesetting code into the CRTC's atomic_flush() function, where it is protected from the plane's framebuffer being NULL. The CRTC's atomic-enable function, which is the modesetting's original location, still contains DPMS state handling. It's exactly the inverse of the atomic-disable function. v3: * protect modesetting from from fb == NULL v2: * do an atomic check for plane * reject invisible primary planes Signed-off-by:
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