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authorDave Airlie <airlied@redhat.com>2019-05-28 08:25:46 +1000
committerDave Airlie <airlied@redhat.com>2019-05-28 08:59:11 +1000
commit88cd7a2c1b29f61a2a3fab76216a43f3b779e0cd (patch)
treeb8a4311c8f7edfc92c1055b6a5a86b1a5552878e /drivers/gpu/drm/drm_file.c
parentcd6c84d8f0cdc911df435bb075ba22ce3c605b07 (diff)
parent909fa3321d348ef69366aad9e84e1dd9ee0bd060 (diff)
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Merge tag 'drm-misc-next-2019-05-24' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.3, try #2: UAPI Changes: - Add HDR source metadata property. - Make drm.h compile on GNU/kFreeBSD by including stdint.h - Clarify how the userspace reviewer has to review new kernel UAPI. - Clarify that for using new UAPI, merging to drm-next or drm-misc-next should be enough. Cross-subsystem Changes: - video/hdmi: Add unpack function for DRM infoframes. - Device tree bindings: * Updating a property for Mali Midgard GPUs * Updating a property for STM32 DSI panel * Adding support for FriendlyELEC HD702E 800x1280 panel * Adding support for Evervision VGG804821 800x480 5.0" WVGA TFT panel * Adding support for the EDT ET035012DM6 3.5" 320x240 QVGA 24-bit RGB TFT. * Adding support for Three Five displays TFC S9700RTWV43TR-01B 800x480 panel with resistive touch found on TI's AM335X-EVM. * Adding support for EDT ETM0430G0DH6 480x272 panel. - Add OSD101T2587-53TS driver with DT bindings. - Add Samsung S6E63M0 panel driver with DT bindings. - Add VXT VL050-8048NT-C01 800x480 panel with DT bindings. - Dma-buf: - Make mmap callback actually optional. - Documentation updates. - Fix debugfs refcount inbalance. - Remove unused sync_dump function. - Fix device tree bindings in drm-misc-next after a botched merge. Core Changes: - Add support for HDR infoframes and related EDID parsing. - Remove prime sg_table caching, now done inside dma-buf. - Add shiny new drm_gem_vram helpers for simple VRAM drivers; with some fixes to the new API on top. - Small fix to job cleanup without timeout handler. - Documentation fixes to drm_fourcc. - Replace lookups of drm_format with struct drm_format_info; remove functions that become obsolete by this conversion. - Remove double include in bridge/panel.c and some drivers. - Remove drmP.h include from drm/edid and drm/dp. - Fix null pointer deref in drm_fb_helper_hotplug_event(). - Remove most members from drm_fb_helper_crtc, only mode_set is kept. - Remove race of fb helpers with userspace; only restore mode when userspace is not master. - Move legacy setup from drm_file.c to drm_legacy_misc.c - Rework scheduler job destruction. - drm/bus was removed, remove from TODO. - Add __drm_atomic_helper_crtc_reset() to subclass crtc_state, and convert some drivers to use it (conversion is not complete yet). - Bump vblank timeout wait to 100 ms for atomic. - Docbook fix for drm_hdmi_infoframe_set_hdr_metadata. Driver Changes: - sun4i: Use DRM_GEM_CMA_VMAP_DRIVER_OPS instead of definining manually. - v3d: Small cleanups, adding support for compute shaders, reservation/synchronization fixes and job management refactoring, fixes MMU and debugfs. - lima: Fix null pointer in irq handler on startup, set default timeout for scheduled jobs. - stm/ltdc: Assorted fixes and adding FB modifier support. - amdgpu: Avoid hw reset if guilty job was already signaled. - virtio: Add seqno to fences, add trace events, use correct flags for fence allocation. - Convert AST, bochs, mgag200, vboxvideo, hisilicon to the new drm_gem_vram API. - sun6i_mipi_dsi: Support DSI GENERIC_SHORT_WRITE_2 transfers. - bochs: Small fix to use PTR_RET_OR_ZERO and driver unload. - gma500: header fixes - cirrus: Remove unused files. - mediatek: Fix compiler warning after merging the HDR series. - vc4: Rework binner bo handling. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/052875a5-27ba-3832-60c2-193d950afdff@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_file.c')
-rw-r--r--drivers/gpu/drm/drm_file.c122
1 files changed, 50 insertions, 72 deletions
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 233f114d2186..075a7766bb79 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -100,8 +100,6 @@ DEFINE_MUTEX(drm_global_mutex);
* :ref:`IOCTL support in the userland interfaces chapter<drm_driver_ioctl>`.
*/
-static int drm_open_helper(struct file *filp, struct drm_minor *minor);
-
/**
* drm_file_alloc - allocate file context
* @minor: minor to allocate on
@@ -273,76 +271,6 @@ static void drm_close_helper(struct file *filp)
drm_file_free(file_priv);
}
-static int drm_setup(struct drm_device * dev)
-{
- int ret;
-
- if (dev->driver->firstopen &&
- drm_core_check_feature(dev, DRIVER_LEGACY)) {
- ret = dev->driver->firstopen(dev);
- if (ret != 0)
- return ret;
- }
-
- ret = drm_legacy_dma_setup(dev);
- if (ret < 0)
- return ret;
-
-
- DRM_DEBUG("\n");
- return 0;
-}
-
-/**
- * drm_open - open method for DRM file
- * @inode: device inode
- * @filp: file pointer.
- *
- * This function must be used by drivers as their &file_operations.open method.
- * It looks up the correct DRM device and instantiates all the per-file
- * resources for it. It also calls the &drm_driver.open driver callback.
- *
- * RETURNS:
- *
- * 0 on success or negative errno value on falure.
- */
-int drm_open(struct inode *inode, struct file *filp)
-{
- struct drm_device *dev;
- struct drm_minor *minor;
- int retcode;
- int need_setup = 0;
-
- minor = drm_minor_acquire(iminor(inode));
- if (IS_ERR(minor))
- return PTR_ERR(minor);
-
- dev = minor->dev;
- if (!dev->open_count++)
- need_setup = 1;
-
- /* share address_space across all char-devs of a single device */
- filp->f_mapping = dev->anon_inode->i_mapping;
-
- retcode = drm_open_helper(filp, minor);
- if (retcode)
- goto err_undo;
- if (need_setup) {
- retcode = drm_setup(dev);
- if (retcode) {
- drm_close_helper(filp);
- goto err_undo;
- }
- }
- return 0;
-
-err_undo:
- dev->open_count--;
- drm_minor_release(minor);
- return retcode;
-}
-EXPORT_SYMBOL(drm_open);
-
/*
* Check whether DRI will run on this CPU.
*
@@ -424,6 +352,56 @@ static int drm_open_helper(struct file *filp, struct drm_minor *minor)
return 0;
}
+/**
+ * drm_open - open method for DRM file
+ * @inode: device inode
+ * @filp: file pointer.
+ *
+ * This function must be used by drivers as their &file_operations.open method.
+ * It looks up the correct DRM device and instantiates all the per-file
+ * resources for it. It also calls the &drm_driver.open driver callback.
+ *
+ * RETURNS:
+ *
+ * 0 on success or negative errno value on falure.
+ */
+int drm_open(struct inode *inode, struct file *filp)
+{
+ struct drm_device *dev;
+ struct drm_minor *minor;
+ int retcode;
+ int need_setup = 0;
+
+ minor = drm_minor_acquire(iminor(inode));
+ if (IS_ERR(minor))
+ return PTR_ERR(minor);
+
+ dev = minor->dev;
+ if (!dev->open_count++)
+ need_setup = 1;
+
+ /* share address_space across all char-devs of a single device */
+ filp->f_mapping = dev->anon_inode->i_mapping;
+
+ retcode = drm_open_helper(filp, minor);
+ if (retcode)
+ goto err_undo;
+ if (need_setup) {
+ retcode = drm_legacy_setup(dev);
+ if (retcode) {
+ drm_close_helper(filp);
+ goto err_undo;
+ }
+ }
+ return 0;
+
+err_undo:
+ dev->open_count--;
+ drm_minor_release(minor);
+ return retcode;
+}
+EXPORT_SYMBOL(drm_open);
+
void drm_lastclose(struct drm_device * dev)
{
DRM_DEBUG("\n");