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2024-03-19dt-bindings: display: simple: Add POWERTIP PH128800T-006-ZHC01 panelNathan Morrisson
Add POWERTIP PH128800T-006-ZHC01 10.1" LCD-TFT LVDS panel compatible string. Signed-off-by: Nathan Morrisson <nmorrisson@phytec.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240318161708.1415484-2-nmorrisson@phytec.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240318161708.1415484-2-nmorrisson@phytec.com
2024-03-19drm: bridge: thc63lvd1024: Print error message when DT parsing failsLaurent Pinchart
Commit 00084f0c01bf ("drm: bridge: thc63lvd1024: Switch to use of_graph_get_remote_node()") simplified the thc63lvd1024 driver by replacing hand-rolled code with a helper function. While doing so, it created an error code path at probe time without any error message, potentially causing probe issues that get annoying to debug. Fix it by adding an error message. Fixes: 00084f0c01bf ("drm: bridge: thc63lvd1024: Switch to use of_graph_get_remote_node()") Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20240318160601.2813-1-laurent.pinchart+renesas@ideasonboard.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240318160601.2813-1-laurent.pinchart+renesas@ideasonboard.com
2024-03-18drm: bridge: thc63lvd1024: Switch to use of_graph_get_remote_node()Sui Jingfeng
To reduce boilerplate, use of_graph_get_remote_node() helper instead of the hand-rolling code. Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20240316172800.1168390-1-sui.jingfeng@linux.dev Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240316172800.1168390-1-sui.jingfeng@linux.dev
2024-03-18drm/bridge: it66121: Remove a duplicated invoke of of_device_is_available()Sui Jingfeng
The calling of of_device_is_available() in it66121_probe() is duplicated, as the of_graph_get_remote_node() has already do the check for us. There is no need to call it again, thus delete the later one. Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20240316174419.1170460-1-sui.jingfeng@linux.dev Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240316174419.1170460-1-sui.jingfeng@linux.dev
2024-03-18drm: bridge: dw_hdmi: Switch to of_graph_get_remote_node()Sui Jingfeng
To reduce boilerplate, use of_graph_get_remote_node() helper instead of the hand-rolling code. Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20240316170513.1159724-1-sui.jingfeng@linux.dev Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240316170513.1159724-1-sui.jingfeng@linux.dev
2024-03-18drm/bridge: ite66121: Register HPD interrupt handler only when 'client->irq > 0'Sui Jingfeng
If a specific design doesn't wire IT66121's interrupt signal output pin up to the display controller side, then we should not register the interrupt handler. Such a decision is valid usage, as we can fall back to polling mode. So, don't make the assumption that a specific board always supports HPD. Carry out a sanity check on 'client->irq' before using it, fall back to polling mode if client->irq < 0 is true. Such a design increases the overall flexibility. Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20240316160536.1051513-1-sui.jingfeng@linux.dev Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240316160536.1051513-1-sui.jingfeng@linux.dev
2024-03-18drm/panel: ilitek-ili9881c: Fix warning with GPIO controllers that sleepLaurent Pinchart
The ilitek-ili9881c controls the reset GPIO using the non-sleeping gpiod_set_value() function. This complains loudly when the GPIO controller needs to sleep. As the caller can sleep, use gpiod_set_value_cansleep() to fix the issue. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20240317154839.21260-1-laurent.pinchart@ideasonboard.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240317154839.21260-1-laurent.pinchart@ideasonboard.com
2024-03-18drm/panel: ilitek-ili9881c: Add Startek KD050HDFIA020-C020A supportLaurent Pinchart
Add support for the Startek KD050HDFIA020-C020A panel. The init table comes from the Compulab BSP ([1]). [1] https://github.com/compulab-yokneam/meta-bsp-imx8mp/blob/ucm-imx8m-plus-r1.1/recipes-kernel/linux/compulab/imx8mp/0000-compulab-imx8m-plus-Add-boards-support.patch Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20240317155746.23034-3-laurent.pinchart@ideasonboard.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240317155746.23034-3-laurent.pinchart@ideasonboard.com
2024-03-18dt-bindings: ili9881c: Add Startek KD050HDFIA020-C020A supportLaurent Pinchart
Document the compatible value for Startek KD050HDFIA020-C020A panels. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20240317155746.23034-2-laurent.pinchart@ideasonboard.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240317155746.23034-2-laurent.pinchart@ideasonboard.com
2024-03-18drm/omapdrm: Fix console with deferred opsTony Lindgren
Commit 95da53d63dcf ("drm/omapdrm: Use regular fbdev I/O helpers") stopped console from updating for command mode displays because there is no damage handling in fb_sys_write() unlike we had earlier in drm_fb_helper_sys_write(). Let's fix the issue by adding FB_GEN_DEFAULT_DEFERRED_DMAMEM_OPS and FB_DMAMEM_HELPERS_DEFERRED as suggested by Thomas. We cannot use the FB_DEFAULT_DEFERRED_OPS as fb_deferred_io_mmap() won't work properly for write-combine. Fixes: 95da53d63dcf ("drm/omapdrm: Use regular fbdev I/O helpers") Suggested-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240228063540.4444-3-tony@atomide.com
2024-03-18drm/omapdrm: Fix console by implementing fb_dirtyTony Lindgren
The framebuffer console stopped updating with commit f231af498c29 ("drm/fb-helper: Disconnect damage worker from update logic"). Let's fix the issue by implementing fb_dirty similar to what was done with commit 039a72ce7e57 ("drm/i915/fbdev: Implement fb_dirty for intel custom fb helper"). Fixes: f231af498c29 ("drm/fb-helper: Disconnect damage worker from update logic") Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240228063540.4444-2-tony@atomide.com
2024-03-15drm/nouveau/dp: Fix incorrect return code in r535_dp_aux_xfer()Lyude Paul
I've recently been seeing some unexplained GSP errors on my RTX 6000 from failed aux transactions: [ 132.915867] nouveau 0000:1f:00.0: gsp: cli:0xc1d00002 obj:0x00730000 ctrl cmd:0x00731341 failed: 0x0000ffff While the cause of these is not yet clear, these messages made me notice that the aux transactions causing these transactions were succeeding - not failing. As it turns out, this is because we're currently not returning the correct variable when r535_dp_aux_xfer() hits an error - causing us to never propagate GSP errors for failed aux transactions to userspace. So, let's fix that. Fixes: 4ae3a20102b2 ("nouveau/gsp: don't free ctrl messages on errors") Signed-off-by: Lyude Paul <lyude@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240315212104.776936-1-lyude@redhat.com
2024-03-14drm/panel-edp: Fix AUO 0x405c panel naming and add a variantHsin-Yi Wang
There are 2 different AUO panels using the same panel id. One of the variants requires using overridden modes to resolve glitching issue as described in commit 70e0d5550f5c ("drm/panel-edp: Add auo_b116xa3_mode"). Other variants should use the modes parsed from EDID. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240307230653.1807557-6-hsinyi@chromium.org
2024-03-14drm/panel-edp: Match edp_panels with panel identityHsin-Yi Wang
It's found that some panels have variants that they share the same panel id although their EDID and names are different. When matching generic edp panels, we should first match with both panel identity, which contains both panel id and panel name. If not found, match with panel id only. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240307230653.1807557-5-hsinyi@chromium.org
2024-03-14drm/edid: Match edid quirks with identityHsin-Yi Wang
Currently edid quirks are matched by panel id only. Modify it to match with identity so it's easier to be extended for more complex matching if required. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240307230653.1807557-4-hsinyi@chromium.org
2024-03-14drm/edid: Add a function to match EDID with identityHsin-Yi Wang
Create a type drm_edid_ident as the identity of an EDID. Currently it contains panel id and monitor name. Create a function that can match a given EDID and an identity: 1. Reject if the panel id doesn't match. 2. If name is not null in identity, try to match it in the detailed timing blocks. Note that some panel vendors put the monitor name after EDID_DETAIL_MONITOR_STRING. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240307230653.1807557-3-hsinyi@chromium.org
2024-03-14drm_edid: Add a function to get EDID base blockHsin-Yi Wang
It's found that some panels have variants that they share the same panel id although their EDID and names are different. Besides panel id, now we need more information from the EDID base block to distinguish these panel variants. Add drm_edid_read_base_block() to return the EDID base block, which is wrapped in struct drm_edid. Caller can further use it to get panel id or check if the block contains certain strings, such as panel name. Merge drm_edid_get_panel_id() and edid_extract_panel_id() into one function. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240307230653.1807557-2-hsinyi@chromium.org
2024-03-13drm/panel: simple: add CMT430B19N00 LCD panel supportJérémie Dautheribes
Add support for Crystal Clear Technology CMT430B19N00 4.3" 480x272 TFT-LCD panel. Suggested-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jérémie Dautheribes <jeremie.dautheribes@bootlin.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20240313172016.387277-4-jeremie.dautheribes@bootlin.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240313172016.387277-4-jeremie.dautheribes@bootlin.com
2024-03-13dt-bindings: display: simple: add support for Crystal Clear CMT430B19N00Jérémie Dautheribes
Add Crystal Clear Technology CMT430B19N00 4.3" 480x272 TFT-LCD panel compatible string. Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Jérémie Dautheribes <jeremie.dautheribes@bootlin.com> Link: https://lore.kernel.org/r/20240313172016.387277-3-jeremie.dautheribes@bootlin.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240313172016.387277-3-jeremie.dautheribes@bootlin.com
2024-03-13dt-bindings: Add Crystal Clear Technology vendor prefixJérémie Dautheribes
Update Documentation/devicetree/bindings/vendor-prefixes.yaml to include "cct" as a vendor prefix for "Crystal Clear Technology". CCT is the vendor of the CMT430B19N00 TFT-LCD panel. Link: http://www.cct.com.my/ Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Jérémie Dautheribes <jeremie.dautheribes@bootlin.com> Link: https://lore.kernel.org/r/20240313172016.387277-2-jeremie.dautheribes@bootlin.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240313172016.387277-2-jeremie.dautheribes@bootlin.com
2024-03-12drm/shmem-helper: Remove duplicate includeJiapeng Chong
./drivers/gpu/drm/drm_gem_shmem_helper.c: linux/module.h is included more than once. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4567 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230320015829.52988-1-jiapeng.chong@linux.alibaba.com
2024-03-12MAINTAINERS: Update drm-misc web pageMaxime Ripard
This URL gets redirected to the Intel landing page now. Let's switch the webpage to freedesktop. Link: https://lore.kernel.org/r/20240306153841.698693-2-mripard@kernel.org Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Maxime Ripard <mripard@kernel.org>
2024-03-12MAINTAINERS: Update drm-misc.git URLMaxime Ripard
Now that the drm-misc tree has moved to Gitlab, adjust the MAINTAINERS git trees to reflect the location change. Link: https://lore.kernel.org/r/20240306153841.698693-1-mripard@kernel.org Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Maxime Ripard <mripard@kernel.org>
2024-03-11drm/qxl: Do not pin buffer objects for vmapThomas Zimmermann
Pin and vmap are distinct operations. Do not perform a pin as part of the vmap call. This used to be necessary to keep the fbdev buffer in place while it is being updated. Fbdev emulation has meanwhile been fixed to lock the buffer correctly. Same for vunmap. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-14-tzimmermann@suse.de
2024-03-11drm/gem-vram: Do not pin buffer objects for vmapThomas Zimmermann
Pin and vmap are distinct operations. Do not perform a pin as part of the vmap call. This used to be necessary to keep the fbdev buffer in place while it is being updated. Fbdev emulation has meanwhile been fixed to lock the buffer correctly. Same for vunmap. For refactoring the code, remove the pin calls from the helper's vmap implementation in drm_gem_vram_vmap() and inline the call to drm_gem_vram_kmap_locked(). This gives a vmap helper that only maps the buffer object's memory pages without pinning or locking. Do a similar refactoring for vunmap. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-13-tzimmermann@suse.de
2024-03-11drm/client: Pin vmap'ed GEM buffersThomas Zimmermann
The function drm_client_buffer_vmap() establishes a long-term mapping of the client's buffer object into the kernel address space. Make sure that buffer does not move by pinning it to its current location. Same for vunmap with unpin. The only caller of drm_client_buffer_vmap() is fbdev-dma, which uses gem-dma. As DMA-backed GEM buffers do not move, this change is for correctness with little impact in practice. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-12-tzimmermann@suse.de
2024-03-11drm/fbdev-generic: Fix locking with drm_client_buffer_vmap_local()Thomas Zimmermann
Temporarily lock the fbdev buffer object during updates to prevent memory managers from evicting/moving the buffer. Moving a buffer object while update its content results in undefined behaviour. Fbdev-generic updates its buffer object from a shadow buffer. Gem-shmem and gem-dma helpers do not move buffer objects, so they are safe to be used with fbdev-generic. Gem-vram and qxl are based on TTM, but pin buffer objects are part of the vmap operation. So both are also safe to be used with fbdev-generic. Amdgpu and nouveau do not pin or lock the buffer object during an update. Their TTM-based memory management could move the buffer object while the update is ongoing. The new vmap_local and vunmap_local helpers hold the buffer object's reservation lock during the buffer update. This prevents moving the buffer object on all memory managers. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-11-tzimmermann@suse.de
2024-03-11drm/gem: Acquire reservation lock in drm_gem_{pin/unpin}()Thomas Zimmermann
Acquire the buffer object's reservation lock in drm_gem_pin() and remove locking the drivers' GEM callbacks where necessary. Same for unpin(). DRM drivers and memory managers modified by this patch will now have correct dma-buf locking semantics: the caller is responsible for holding the reservation lock when calling the pin or unpin callback. DRM drivers and memory managers that are not modified will now be protected against concurent invocation of their pin and unpin callbacks. PRIME does not implement struct dma_buf_ops.pin, which requires the caller to hold the reservation lock. It does implement struct dma_buf_ops.attach, which requires to callee to acquire the reservation lock. The PRIME code uses drm_gem_pin(), so locks are now taken as specified. Same for unpin and detach. The patch harmonizes GEM pin and unpin to have non-interruptible reservation locking across all drivers, as is already the case for vmap and vunmap. This affects gem-shmem, gem-vram, loongson, qxl and radeon. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Zack Rusin <zack.rusin@broadcom.com> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-10-tzimmermann@suse.de
2024-03-11drm/qxl: Acquire reservation lock in GEM pin/unpin callbacksThomas Zimmermann
Acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare qxl accordingly by pushing locking out of the implementation. A follow-up patch will fix locking for all GEM code at once. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-9-tzimmermann@suse.de
2024-03-11drm/qxl: Provide qxl_bo_{pin,unpin}_locked()Thomas Zimmermann
Rename __qxl_bo_pin() to qxl_bo_pin_locked() and update all callers. The function will be helpful for implementing the GEM pin callback with correct semantics. Same for __qxl_bo_unpin(). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-8-tzimmermann@suse.de
2024-03-11drm/nouveau: Acquire reservation lock in GEM pin/unpin callbacksThomas Zimmermann
Acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare nouveau accordingly by pushing locking out of the implementation. A follow-up patch will fix locking for all GEM code at once. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-7-tzimmermann@suse.de
2024-03-11drm/nouveau: Provide nouveau_bo_{pin,unpin}_locked()Thomas Zimmermann
Implement pinning without locking in nouveau_bo_pin_locked(). Keep nouveau_bo_pin() for acquiring the buffer object's reservation lock. The new helper will be useful for implementing the GEM pin callback with correct semantics. Same for unpin. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-6-tzimmermann@suse.de
2024-03-11drm/msm: Acquire reservation lock in GEM pin/unpin callbackThomas Zimmermann
Export msm_gem_pin_pages_locked() and acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare msm accordingly by pushing locking out of the implementation. A follow-up patch will fix locking for all GEM code at once. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-5-tzimmermann@suse.de
2024-03-11drm/msm: Provide msm_gem_get_pages_locked()Thomas Zimmermann
Rename msm_gem_pin_pages_locked() to msm_gem_get_pages_locked(). The function doesn't pin any pages, but only acquires them. Renaming the function makes the old name available. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-4-tzimmermann@suse.de
2024-03-11drm/gem-vram: Acquire reservation lock in GEM pin/unpin callbacksThomas Zimmermann
Acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare gem-vram accordingly by pushing locking out of the implementation. A follow-up patch will fix locking for all GEM code at once. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-3-tzimmermann@suse.de
2024-03-11drm/gem-shmem: Acquire reservation lock in GEM pin/unpin callbacksThomas Zimmermann
Export drm_gem_shmem_pin_locked() and acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare gem-shmem accordingly by pushing locking out of the implementation. A follow-up patch will fix locking for all GEM code at once. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # virtio-gpu Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Zack Rusin <zack.rusin@broadcom.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240227113853.8464-2-tzimmermann@suse.de
2024-03-11drm/i2c: silence ch7006.h and sil164.h kernel-doc warningsJani Nikula
Mark some members private to silence kernel-doc warnings, and add FIXME comments. Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ffc58be256d71e6a98eb9f13337add64458d3476.1709898638.git.jani.nikula@intel.com
2024-03-11drm/panfrost: Replace fdinfo's profiling debugfs knob with sysfsAdrián Larumbe
Debugfs isn't always available in production builds that try to squeeze every single byte out of the kernel image, but we still need a way to toggle the timestamp and cycle counter registers so that jobs can be profiled for fdinfo's drm engine and cycle calculations. Drop the debugfs knob and replace it with a sysfs file that accomplishes the same functionality, and document its ABI in a separate file. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240306015819.822128-2-adrian.larumbe@collabora.com
2024-03-11Revert "drm/panthor: Fix undefined panthor_device_suspend/resume symbol issue"Jani Nikula
This reverts commit 674dc7f61aefea81901c21402946074927e63f1a. The commit causes a recursive dependency in kconfig: drivers/iommu/Kconfig:14:error: recursive dependency detected! drivers/iommu/Kconfig:14: symbol IOMMU_SUPPORT is selected by DRM_PANTHOR drivers/gpu/drm/panthor/Kconfig:3: symbol DRM_PANTHOR depends on PM kernel/power/Kconfig:183: symbol PM is selected by PM_SLEEP kernel/power/Kconfig:117: symbol PM_SLEEP depends on HIBERNATE_CALLBACKS kernel/power/Kconfig:35: symbol HIBERNATE_CALLBACKS is selected by XEN_SAVE_RESTORE arch/x86/xen/Kconfig:67: symbol XEN_SAVE_RESTORE depends on XEN arch/x86/xen/Kconfig:6: symbol XEN depends on PARAVIRT arch/x86/Kconfig:781: symbol PARAVIRT is selected by HYPERV drivers/hv/Kconfig:5: symbol HYPERV depends on X86_LOCAL_APIC arch/x86/Kconfig:1106: symbol X86_LOCAL_APIC depends on X86_UP_APIC arch/x86/Kconfig:1081: symbol X86_UP_APIC prompt is visible depending on PCI_MSI drivers/pci/Kconfig:39: symbol PCI_MSI is selected by AMD_IOMMU drivers/iommu/amd/Kconfig:3: symbol AMD_IOMMU depends on IOMMU_SUPPORT For a resolution refer to Documentation/kbuild/kconfig-language.rst subsection "Kconfig recursive dependency limitations" Fixes: 674dc7f61aef ("drm/panthor: Fix undefined panthor_device_suspend/resume symbol issue") Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Steven Price <steven.price@arm.com> Acked-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240311111619.249776-1-jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-03-11drm/panthor: Fix undefined panthor_device_suspend/resume symbol issueBoris Brezillon
panthor_device_resume/suspend() are only compiled when CONFIG_PM is enabled but panthro_drv.c doesn't use the pm_ptr() macro to conditionally discard resume/suspend assignments, which causes undefined symbol errors at link time when !PM. We could fix that by using pm_ptr(), but supporting the !PM case makes little sense (the whole point of these embedded GPUs is to be low power, so proper PM is a basic requirement in that case). So let's just enforce the presence of CONFIG_PM with a Kconfig dependency instead. If someone needs to relax this dependency, it can be done in a follow-up. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202403031944.EOimQ8WK-lkp@intel.com/ Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240304090812.3941084-4-boris.brezillon@collabora.com
2024-03-11drm/panthor: Explicitly include mm.h for the {virt, __phys)_to_pfn() defsBoris Brezillon
Something on arm[64] must be including <asm/page.h>, but things fail to compile on sparc64. Make sure this header is included (through linux/mm.h) so this driver can be compile-tested on all supported architectures. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202403031142.Vl4pW7X6-lkp@intel.com/ Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240304090812.3941084-3-boris.brezillon@collabora.com
2024-03-11drm/panthor: Fix panthor_devfreq kerneldocBoris Brezillon
Missing '*' to have a valid kerneldoc prefix. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202403031019.6jvrOqGT-lkp@intel.com/ Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240304090812.3941084-2-boris.brezillon@collabora.com
2024-03-11drm: avoid includes in drm_crtc_helper_internal.hJani Nikula
Prefer forward declarations over includes where possible. Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/fb7fb2986e19f949bf3a9b16230a59e0f7aaebdf.1709898638.git.jani.nikula@intel.com
2024-03-11drm/dp_mst: avoid includes in drm_dp_mst_topology_internal.hJani Nikula
Prefer forward declarations over includes where possible. Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/83d96b40724e7fd18bec81a9c6c935dbe924da91.1709898638.git.jani.nikula@intel.com
2024-03-11drm/ttm: make ttm_pool.h self-containedJani Nikula
struct seq_file needs a forward declaration in some configs. Sort the forward declarations while at it. Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202403072259.EEC2Vf1X-lkp@intel.com/ Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/b92373759bba305ddf8d24fdca345f195400e206.1709898638.git.jani.nikula@intel.com
2024-03-11drm/ttm: fix ttm_kmap_iter.h kernel-doc warningsJani Nikula
There's no proper way to document function pointer members, but at least silence the warnings. Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/e80e74ac4b6c5f1df3bc2dd98651ba289aae8e83.1709898638.git.jani.nikula@intel.com
2024-03-11drm/ttm: fix ttm_execbuf_util.h kernel-doc warningsJani Nikula
Fix some formatting errors and excess documentation. Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/b0f6d243c4e5eb1564ef2f4bb5bb834ee2c0305b.1709898638.git.jani.nikula@intel.com
2024-03-11drm/ttm: make ttm_caching.h self-containedJani Nikula
Include <linux/pgtable.h> for pgprot_t. Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/fb87ab4b4490c53e9ece66d53c4f178ead244cb5.1709898638.git.jani.nikula@intel.com
2024-03-11drm/ttm: fix ttm_bo.h kernel-doc warningsJani Nikula
Some renames, some formatting fixes, add some missing documentation. v3: Fix struct ttm_buffer_object .sg documentation (Christian) Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240308160750.3741833-1-jani.nikula@intel.com
2024-03-11m68k: pgtable: Add missing #include <asm/page.h>Geert Uytterhoeven
When just including <linux/pgtable.h>: include/asm-generic/pgtable-nop4d.h:9:18: error: unknown type name ‘pgd_t’ 9 | typedef struct { pgd_t pgd; } p4d_t; | ^~~~~ Make <asm/pgtable.h> self-contained by including <asm/page.h>. Reported-by: Jani Nikula <jani.nikula@intel.com> Closes: https://lore.kernel.org/r/878r2uxwha.fsf@intel.com Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/af9e22b878f59223adb593f5bbd5b61432120010.1709898638.git.jani.nikula@intel.com
generated by cgit (git 2.34.1) at 2025-05-01 05:53:11 +0000