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author | Dave Airlie <airlied@redhat.com> | 2020-11-04 03:55:11 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2020-11-04 04:49:10 +0300 |
commit | 1cd260a7905e3ba2e5dfa39b110ad6cf8f466f49 (patch) | |
tree | bfb701fdb0fcb32f8e6e53fb1692361c8fa33a6a /drivers/media/common/videobuf2 | |
parent | 3cea11cd5e3b00d91caf0b4730194039b45c5891 (diff) | |
parent | 4dfec0d1d7b9970f36931de714b379dbeaed83f8 (diff) | |
download | linux-1cd260a7905e3ba2e5dfa39b110ad6cf8f466f49.tar.xz |
Merge tag 'drm-misc-next-2020-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.11:
UAPI Changes:
- doc: rules for EBUSY on non-blocking commits; requirements for fourcc
modifiers; on parsing EDID
- fbdev/sbuslib: Remove unused FBIOSCURSOR32
- fourcc: deprecate DRM_FORMAT_MOD_NONE
- virtio: Support blob resources for memory allocations; Expose host-visible
and cross-device features
Cross-subsystem Changes:
- devicetree: Add vendor Prefix for Yes Optoelectronics, Shanghai Top Display
Optoelectronics
- dma-buf: Add struct dma_buf_map that stores DMA pointer and I/O-memory flag;
dma_buf_vmap()/vunmap() return address in dma_buf_map; Use struct_size() macro
Core Changes:
- atomic: pass full state to CRTC atomic enable/disable; warn for EBUSY during
non-blocking commits
- dp: Prepare for DP 2.0 DPCD
- dp_mst: Receive extended DPCD caps
- dma-buf: Documentation
- doc: Format modifiers; dma-buf-map; Cleanups
- fbdev: Don't use compat_alloc_user_space(); mark as orphaned
- fb-helper: Take lock in drm_fb_helper_restore_work_fb()
- gem: Convert implementation and drivers to GEM object functions, remove
GEM callbacks from struct drm_driver (expect gem_prime_mmap)
- panel: Cleanups
- pci: Add legacy infix to drm_irq_by_busid()
- sched: Avoid infinite waits in drm_sched_entity_destroy()
- switcheroo: Cleanups
- ttm: Remove AGP support; Don't modify caching during swapout; Major
refactoring of the implementation and API that affects all depending
drivers; Add ttm_bo_wait_ctx(); Add ttm_bo_pin()/unpin() in favor of
TTM_PL_FLAG_NO_EVICT; Remove ttm_bo_create(); Remove fault_reserve_notify()
callback; Push move() implementation into drivers; Remove TTM_PAGE_FLAG_WRITE;
Replace caching flags with init-time cache setting; Push ttm_tt_bind() into
drivers; Replace move_notify() with delete_mem_notify(); No overlapping memcpy();
no more ttm_set_populated()
- vram-helper: Fix BO top-down placement; TTM-related changes; Init GEM
object functions with defaults; Default placement in system memory; Cleanups
Driver Changes:
- amdgpu: Use GEM object functions
- armada: Use GEM object functions
- aspeed: Configure output via sysfs; Init struct drm_driver with
- ast: Reload LUT after FB format changes
- bridge: Add driver and DT bindings for anx7625; Cleanups
- bridge/dw-hdmi: Constify ops
- bridge/ti-sn65dsi86: Add retries for link training
- bridge/lvds-codec: Add support for regulator
- bridge/tc358768: Restore connector support DRM_GEM_CMA_DRIVEROPS; Cleanups
- display/ti,j721e-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
dma-coherent
- display/ti,am65s-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
dma-coherent
- etnaviv: Use GEM object functions
- exynos: Use GEM object functions
- fbdev: Cleanups and compiler fixes throughout framebuffer drivers
- fbdev/cirrusfb: Avoid division by 0
- gma500: Use GEM object functions; Fix double-free of connector; Cleanups
- hisilicon/hibmc: I2C-based DDC support; Use to_hibmc_drm_device(); Cleanups
- i915: Use GEM object functions
- imx/dcss: Init driver with DRM_GEM_CMA_DRIVER_OPS; Cleanups
- ingenic: Reset pixel clock when parent clock changes; support reserved
memory; Alloc F0 and F1 DMA channels at once; Support different pixel formats;
Revert support for cached mmap buffers
on F0/F1; support 30-bit/24-bit/8-bit-palette modes
- komeda: Use DEFINE_SHOW_ATTRIBUTE
- mcde: Detect platform_get_irq() errors
- mediatek: Use GEM object functions
- msm: Use GEM object functions
- nouveau: Cleanups; TTM-related changes; Use GEM object functions
- omapdrm: Use GEM object functions
- panel: Add driver and DT bindings for Novatak nt36672a; Add driver and DT
bindings for YTC700TLAG-05-201C; Add driver and DT bindings for TDO TL070WSH30;
Cleanups
- panel/mantix: Fix reset; Fix deref of NULL pointer in mantix_get_modes()
- panel/otm8009a: Allow non-continuous dsi clock; Cleanups
- panel/rm68200: Allow non-continuous dsi clock; Fix mode to 50 FPS
- panfrost: Fix job timeout handling; Cleanups
- pl111: Use GEM object functions
- qxl: Cleanups; TTM-related changes; Pin new BOs with ttm_bo_init_reserved()
- radeon: Cleanups; TTM-related changes; Use GEM object functions
- rockchip: Use GEM object functions
- shmobile: Cleanups
- tegra: Use GEM object functions
- tidss: Set drm_plane_helper_funcs.prepare_fb
- tilcdc: Don't keep vblank interrupt enabled all the time
- tve200: Detect platform_get_irq() errors
- vc4: Use GEM object functions; Only register components once DSI is attached;
Add Maxime as maintainer
- vgem: Use GEM object functions
- via: Simplify critical section in via_mem_alloc()
- virtgpu: Use GEM object functions
- virtio: Implement blob resources, host-visible and cross-device features;
Support mapping of host-allocated resources; Use UUID APi; Cleanups
- vkms: Use GEM object functions; Switch to SHMEM
- vmwgfx: TTM-related changes; Inline ttm_bo_swapout_all()
- xen: Use GEM object functions
- xlnx: Use GEM object functions
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027100936.GA4858@linux-uq9g
Diffstat (limited to 'drivers/media/common/videobuf2')
-rw-r--r-- | drivers/media/common/videobuf2/videobuf2-dma-contig.c | 17 | ||||
-rw-r--r-- | drivers/media/common/videobuf2/videobuf2-dma-sg.c | 19 | ||||
-rw-r--r-- | drivers/media/common/videobuf2/videobuf2-vmalloc.c | 21 |
3 files changed, 40 insertions, 17 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c index 2f3a5996d3fc..a7f61ba85440 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c @@ -76,9 +76,13 @@ static void *vb2_dc_cookie(void *buf_priv) static void *vb2_dc_vaddr(void *buf_priv) { struct vb2_dc_buf *buf = buf_priv; + struct dma_buf_map map; + int ret; - if (!buf->vaddr && buf->db_attach) - buf->vaddr = dma_buf_vmap(buf->db_attach->dmabuf); + if (!buf->vaddr && buf->db_attach) { + ret = dma_buf_vmap(buf->db_attach->dmabuf, &map); + buf->vaddr = ret ? NULL : map.vaddr; + } return buf->vaddr; } @@ -344,11 +348,13 @@ vb2_dc_dmabuf_ops_end_cpu_access(struct dma_buf *dbuf, return 0; } -static void *vb2_dc_dmabuf_ops_vmap(struct dma_buf *dbuf) +static int vb2_dc_dmabuf_ops_vmap(struct dma_buf *dbuf, struct dma_buf_map *map) { struct vb2_dc_buf *buf = dbuf->priv; - return buf->vaddr; + dma_buf_map_set_vaddr(map, buf->vaddr); + + return 0; } static int vb2_dc_dmabuf_ops_mmap(struct dma_buf *dbuf, @@ -619,6 +625,7 @@ static void vb2_dc_unmap_dmabuf(void *mem_priv) { struct vb2_dc_buf *buf = mem_priv; struct sg_table *sgt = buf->dma_sgt; + struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(buf->vaddr); if (WARN_ON(!buf->db_attach)) { pr_err("trying to unpin a not attached buffer\n"); @@ -631,7 +638,7 @@ static void vb2_dc_unmap_dmabuf(void *mem_priv) } if (buf->vaddr) { - dma_buf_vunmap(buf->db_attach->dmabuf, buf->vaddr); + dma_buf_vunmap(buf->db_attach->dmabuf, &map); buf->vaddr = NULL; } dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir); diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c index 748131151c49..030e48218687 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c @@ -295,14 +295,18 @@ static void vb2_dma_sg_put_userptr(void *buf_priv) static void *vb2_dma_sg_vaddr(void *buf_priv) { struct vb2_dma_sg_buf *buf = buf_priv; + struct dma_buf_map map; + int ret; BUG_ON(!buf); if (!buf->vaddr) { - if (buf->db_attach) - buf->vaddr = dma_buf_vmap(buf->db_attach->dmabuf); - else + if (buf->db_attach) { + ret = dma_buf_vmap(buf->db_attach->dmabuf, &map); + buf->vaddr = ret ? NULL : map.vaddr; + } else { buf->vaddr = vm_map_ram(buf->pages, buf->num_pages, -1); + } } /* add offset in case userptr is not page-aligned */ @@ -480,11 +484,13 @@ vb2_dma_sg_dmabuf_ops_end_cpu_access(struct dma_buf *dbuf, return 0; } -static void *vb2_dma_sg_dmabuf_ops_vmap(struct dma_buf *dbuf) +static int vb2_dma_sg_dmabuf_ops_vmap(struct dma_buf *dbuf, struct dma_buf_map *map) { struct vb2_dma_sg_buf *buf = dbuf->priv; - return vb2_dma_sg_vaddr(buf); + dma_buf_map_set_vaddr(map, buf->vaddr); + + return 0; } static int vb2_dma_sg_dmabuf_ops_mmap(struct dma_buf *dbuf, @@ -565,6 +571,7 @@ static void vb2_dma_sg_unmap_dmabuf(void *mem_priv) { struct vb2_dma_sg_buf *buf = mem_priv; struct sg_table *sgt = buf->dma_sgt; + struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(buf->vaddr); if (WARN_ON(!buf->db_attach)) { pr_err("trying to unpin a not attached buffer\n"); @@ -577,7 +584,7 @@ static void vb2_dma_sg_unmap_dmabuf(void *mem_priv) } if (buf->vaddr) { - dma_buf_vunmap(buf->db_attach->dmabuf, buf->vaddr); + dma_buf_vunmap(buf->db_attach->dmabuf, &map); buf->vaddr = NULL; } dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir); diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c index bf5ac63a5742..83f95258ec8c 100644 --- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c +++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c @@ -314,11 +314,13 @@ static void vb2_vmalloc_dmabuf_ops_release(struct dma_buf *dbuf) vb2_vmalloc_put(dbuf->priv); } -static void *vb2_vmalloc_dmabuf_ops_vmap(struct dma_buf *dbuf) +static int vb2_vmalloc_dmabuf_ops_vmap(struct dma_buf *dbuf, struct dma_buf_map *map) { struct vb2_vmalloc_buf *buf = dbuf->priv; - return buf->vaddr; + dma_buf_map_set_vaddr(map, buf->vaddr); + + return 0; } static int vb2_vmalloc_dmabuf_ops_mmap(struct dma_buf *dbuf, @@ -370,26 +372,33 @@ static struct dma_buf *vb2_vmalloc_get_dmabuf(void *buf_priv, unsigned long flag static int vb2_vmalloc_map_dmabuf(void *mem_priv) { struct vb2_vmalloc_buf *buf = mem_priv; + struct dma_buf_map map; + int ret; - buf->vaddr = dma_buf_vmap(buf->dbuf); + ret = dma_buf_vmap(buf->dbuf, &map); + if (ret) + return -EFAULT; + buf->vaddr = map.vaddr; - return buf->vaddr ? 0 : -EFAULT; + return 0; } static void vb2_vmalloc_unmap_dmabuf(void *mem_priv) { struct vb2_vmalloc_buf *buf = mem_priv; + struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(buf->vaddr); - dma_buf_vunmap(buf->dbuf, buf->vaddr); + dma_buf_vunmap(buf->dbuf, &map); buf->vaddr = NULL; } static void vb2_vmalloc_detach_dmabuf(void *mem_priv) { struct vb2_vmalloc_buf *buf = mem_priv; + struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(buf->vaddr); if (buf->vaddr) - dma_buf_vunmap(buf->dbuf, buf->vaddr); + dma_buf_vunmap(buf->dbuf, &map); kfree(buf); } |