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author | Dave Airlie <airlied@redhat.com> | 2023-09-22 09:28:29 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2023-09-22 09:28:36 +0300 |
commit | f107ff76a8c242b298413ef52db9978dc3fe0153 (patch) | |
tree | a72a1f708c1d18338d7f875f07ec2c152881750b /drivers/gpu/drm/nouveau | |
parent | ce9ecca0238b140b88f43859b211c9fdfd8e5b70 (diff) | |
parent | 15d30b46573d75f5cb58cfacded8ebab9c76a2b0 (diff) | |
download | linux-f107ff76a8c242b298413ef52db9978dc3fe0153.tar.xz |
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.7-rc1:
UAPI Changes:
- Nouveau changed to not set NO_PREFETCH flag explicitly.
Cross-subsystem Changes:
- Update documentation of dma-buf intro and uapi.
- fbdev/sbus fixes.
- Use initializer macros in a lot of fbdev drivers.
- Add Boris Brezillon as Panfrost driver maintainer.
- Add Jessica Zhang as drm/panel reviewer.
- Make more fbdev drivers use fb_ops helpers for deferred io.
- Small hid trailing whitespace fix.
- Use fb_ops in hid/picolcd
Core Changes:
- Assorted small fixes to ttm tests, drm/mst.
- Documentation updates to bridge.
- Add kunit tests for some drm_fb functions.
- Rework drm_debugfs implementation.
- Update xe documentation to mark todos as completed.
Driver Changes:
- Add support to rockchip for rv1126 mipi-dsi and vop.
- Assorted small fixes to nouveau, bridge/samsung-dsim,
bridge/lvds-codec, loongson, rockchip, panfrost, gma500, repaper,
komeda, virtio, ssd130x.
- Add support for simple panels Mitsubishi AA084XE01,
JDI LPM102A188A,
- Documentation updates to accel/ivpu.
- Some nouveau scheduling/fence fixes.
- Power management related fixes and other fixes to ivpu.
- Assorted bridge/it66121 fixes.
- Make platform drivers return void in remove() callback.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3da6554b-3b47-fe7d-c4ea-21f4f819dbb6@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/disp.c | 21 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 19 |
2 files changed, 16 insertions, 24 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 4e7c9c353c51..bba01fa0780c 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -882,21 +882,26 @@ struct nouveau_encoder *nv50_real_outp(struct drm_encoder *encoder) static void nv50_msto_cleanup(struct drm_atomic_state *state, - struct drm_dp_mst_topology_state *mst_state, + struct drm_dp_mst_topology_state *new_mst_state, struct drm_dp_mst_topology_mgr *mgr, struct nv50_msto *msto) { struct nouveau_drm *drm = nouveau_drm(msto->encoder.dev); - struct drm_dp_mst_atomic_payload *payload = - drm_atomic_get_mst_payload_state(mst_state, msto->mstc->port); + struct drm_dp_mst_atomic_payload *new_payload = + drm_atomic_get_mst_payload_state(new_mst_state, msto->mstc->port); + struct drm_dp_mst_topology_state *old_mst_state = + drm_atomic_get_old_mst_topology_state(state, mgr); + const struct drm_dp_mst_atomic_payload *old_payload = + drm_atomic_get_mst_payload_state(old_mst_state, msto->mstc->port); NV_ATOMIC(drm, "%s: msto cleanup\n", msto->encoder.name); if (msto->disabled) { msto->mstc = NULL; msto->disabled = false; + drm_dp_remove_payload_part2(mgr, new_mst_state, old_payload, new_payload); } else if (msto->enabled) { - drm_dp_add_payload_part2(mgr, state, payload); + drm_dp_add_payload_part2(mgr, state, new_payload); msto->enabled = false; } } @@ -910,19 +915,15 @@ nv50_msto_prepare(struct drm_atomic_state *state, struct nouveau_drm *drm = nouveau_drm(msto->encoder.dev); struct nv50_mstc *mstc = msto->mstc; struct nv50_mstm *mstm = mstc->mstm; - struct drm_dp_mst_topology_state *old_mst_state; - struct drm_dp_mst_atomic_payload *payload, *old_payload; + struct drm_dp_mst_atomic_payload *payload; NV_ATOMIC(drm, "%s: msto prepare\n", msto->encoder.name); - old_mst_state = drm_atomic_get_old_mst_topology_state(state, mgr); - payload = drm_atomic_get_mst_payload_state(mst_state, mstc->port); - old_payload = drm_atomic_get_mst_payload_state(old_mst_state, mstc->port); // TODO: Figure out if we want to do a better job of handling VCPI allocation failures here? if (msto->disabled) { - drm_dp_remove_payload(mgr, mst_state, old_payload, payload); + drm_dp_remove_payload_part1(mgr, mst_state, payload); nvif_outp_dp_mst_vcpi(&mstm->outp->outp, msto->head->base.index, 0, 0, 0, 0); } else { diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 1fe17ff95f5e..3666a7403e47 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -189,21 +189,12 @@ u_free(void *addr) static inline void * u_memcpya(uint64_t user, unsigned int nmemb, unsigned int size) { - void *mem; - void __user *userptr = (void __force __user *)(uintptr_t)user; + void __user *userptr = u64_to_user_ptr(user); + size_t bytes; - size *= nmemb; - - mem = kvmalloc(size, GFP_KERNEL); - if (!mem) - return ERR_PTR(-ENOMEM); - - if (copy_from_user(mem, userptr, size)) { - u_free(mem); - return ERR_PTR(-EFAULT); - } - - return mem; + if (unlikely(check_mul_overflow(nmemb, size, &bytes))) + return NULL; + return vmemdup_user(userptr, bytes); } #include <nvif/object.h> |