kernel/linux.git/drivers/gpu/drm/drm_drv.c, branch v6.6.150

drm: Expand max DRM device number to full MINORBITS

2024-09-30T14:25:13+00:00

[ Upstream commit 071d583e01c88272f6ff216d4f867f8f35e94d7d ] Having a limit of 64 DRM devices is not good enough for modern world where we have multi-GPU servers, SR-IOV virtual functions and virtual devices used for testing. Let's utilize full minor range for DRM devices. To avoid regressing the existing userspace, we're still maintaining the numbering scheme where 0-63 is used for primary, 64-127 is reserved (formerly for control) and 128-191 is used for render. For minors >= 192, we're allocating minors dynamically on a first-come, first-served basis. Signed-off-by: Michał Winiarski Link: https://patchwork.freedesktop.org/patch/msgid/20240823163048.2676257-4-michal.winiarski@intel.com Acked-by: James Zhu Acked-by: Christian König Signed-off-by: Christian König Signed-off-by: Sasha Levin

accel: Use XArray instead of IDR for minors

2024-09-30T14:25:13+00:00

[ Upstream commit 45c4d994b82b08f0ce5eb50f8da29379c92a391e ] Accel minor management is based on DRM (and is also using struct drm_minor internally), since DRM is using XArray for minors, it makes sense to also convert accel. As the two implementations are identical (only difference being the underlying xarray), move the accel_minor_* functionality to DRM. Signed-off-by: Michał Winiarski Acked-by: James Zhu Acked-by: Christian König Link: https://patchwork.freedesktop.org/patch/msgid/20240823163048.2676257-3-michal.winiarski@intel.com Signed-off-by: Christian König Signed-off-by: Sasha Levin

drm: Use XArray instead of IDR for minors

2024-09-30T14:25:12+00:00

[ Upstream commit 5fbca8b48b3050ae7fb611a8b09af60012ed6de1 ] IDR is deprecated, and since XArray manages its own state with internal locking, it simplifies the locking on DRM side. Additionally, don't use the IRQ-safe variant, since operating on drm minor is not done in IRQ context. Suggested-by: Matthew Wilcox Signed-off-by: Michał Winiarski Acked-by: James Zhu Acked-by: Christian König Link: https://patchwork.freedesktop.org/patch/msgid/20240823163048.2676257-2-michal.winiarski@intel.com Signed-off-by: Christian König Signed-off-by: Sasha Levin

drm/drv: propagate errors from drm_modeset_register_all()

2024-01-25T23:35:33+00:00

[ Upstream commit 5f8dec200923a76dc57187965fd59c1136f5d085 ] In case the drm_modeset_register_all() function fails, its error code will be ignored. Instead make the drm_dev_register() bail out in case of such an error. Fixes: 79190ea2658a ("drm: Add callbacks for late registering") Reviewed-by: Neil Armstrong Signed-off-by: Dmitry Baryshkov Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20231202225552.1283638-1-dmitry.baryshkov@linaro.org Signed-off-by: Sasha Levin

drm/drv: use enum drm_minor_type when appropriate

2023-07-17T08:40:07+00:00

This makes it easier to figure out what the "type" variable can be set to when reading the implementation of these functions. Signed-off-by: Simon Ser Reviewed-by:James Zhu Reviewed-by: Thomas Zimmermann Cc: Christian König Cc: Marek Olšák Cc: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20230714104557.518457-1-contact@emersion.fr

Documentation: vkms: clarify devres managed reference cleanup

2023-05-08T15:56:25+00:00

added documentation to drm_dev_unregister clarifying that devres managed devices allocated with devm_drm_dev_alloc do not require calls to drm_dev_put. Reviewed-by: Daniel Vetter Signed-off-by: Brandon Pollack Signed-off-by: Sean Paul Link: https://patchwork.freedesktop.org/patch/msgid/20230425080240.3582324-1-brpol@chromium.org

drm: remove drm_dev_set_unique

2023-03-22T09:24:47+00:00

Not used by any drivers any more, the only use case in drm_dev_init() can be inlined now. Signed-off-by: Christian König Reviewed-by: Jeffrey Hugo Link: https://patchwork.freedesktop.org/patch/msgid/20230316082035.567520-2-christian.koenig@amd.com

Merge tag 'drm-misc-next-2023-01-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

2023-01-04T13:59:25+00:00

drm-misc-next for v6.3: UAPI Changes: * connector: Support analog-TV mode property * media: Add MEDIA_BUS_FMT_RGB565_1X24_CPADHI, MEDIA_BUS_FMT_RGB666_1X18 and MEDIA_BUS_FMT_RGB666_1X24_CPADHI Cross-subsystem Changes: * dma-buf: Documentation fixes * i2c: Introduce i2c_client_get_device_id() helper Core Changes: * Improve support for analog TV output * bridge: Remove unused drm_bridge_chain functions * debugfs: Add per-device helpers and convert various DRM drivers * dp-mst: Various fixes * fbdev emulation: Always pick 32 bpp as default * KUnit: Add tests for managed helpers; Various cleanups * panel-orientation: Add quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50 * TTM: Open-code ttm_bo_wait() and remove the helper Driver Changes: * Fix preferred depth and bpp values throughout DRM drivers * Remove #CONFIG_PM guards throughout DRM drivers * ast: Various fixes * bridge: Implement i2c's probe_new in various drivers; Fixes; ite-it6505: Locking fixes, Cache EDID data; ite-it66121: Support IT6610 chip, Cleanups; lontium-tl9611: Fix HDMI on DragonBoard 845c; parade-ps8640: Use atomic bridge functions * gud: Convert to DRM shadow-plane helpers; Perform flushing synchronously during atomic update * ili9486: Support 16-bit pixel data * imx: Split off IPUv3 driver; Various fixes * mipi-dbi: Convert to DRM shadow-plane helpers plus rsp driver changes;i Support separate I/O-voltage supply * mxsfb: Depend on ARCH_MXS or ARCH_MXC * omapdrm: Various fixes * panel: Use ktime_get_boottime() to measure power-down delay in various drivers; Fix auto-suspend delay in various drivers; orisetech-ota5601a: Add support * sprd: Cleanups * sun4i: Convert to new TV-mode property * tidss: Various fixes * v3d: Various fixes * vc4: Convert to new TV-mode property; Support Kunit tests; Cleanups; dpi: Support RGB565 and RGB666 formats; dsi: Convert DSI driver to bridge * virtio: Improve tracing * vkms: Support small cursors in IGT tests; Various fixes Signed-off-by: Daniel Vetter From: Thomas Zimmermann Link: https://patchwork.freedesktop.org/patch/msgid/Y7QIwlfElAYWxRcR@linux-uq9g

drm/debugfs: create device-centered debugfs functions

2022-12-22T17:56:28+00:00

Introduce the ability to track requests for the addition of DRM debugfs files at any time and have them added all at once during drm_dev_register(). Drivers can add DRM debugfs files to a device-managed list and, during drm_dev_register(), all added files will be created at once. Now, the drivers can use the functions drm_debugfs_add_file() and drm_debugfs_add_files() to create DRM debugfs files instead of using the drm_debugfs_create_files() function. Co-developed-by: Wambui Karuga Signed-off-by: Wambui Karuga Signed-off-by: Maíra Canal Reviewed-by: Maxime Ripard Reviewed-by: Melissa Wen Acked-by: Daniel Vetter Signed-off-by: Maíra Canal Link: https://patchwork.freedesktop.org/patch/msgid/20221219120621.15086-2-mcanal@igalia.com

drm/drv: Make use of local variable driver in drm_dev_register()

2022-12-20T07:23:12+00:00

There is a local variable that contains dev->driver. Make use of it instead of "open coding" it. Signed-off-by: Uwe Kleine-König Reviewed-by: Thomas Zimmermann Signed-off-by: Thomas Zimmermann Link: https://patchwork.freedesktop.org/patch/msgid/20221219183147.1639399-1-u.kleine-koenig@pengutronix.de