diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-01-29 14:20:23 +0100 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-01-29 14:20:23 +0100 |
| commit | 4db102dcb0396a4ccf89b1eac0f4eb3fd167a080 (patch) | |
| tree | ea47469abffb236c5ba305c8a406e1f8209c6f34 /drivers/accel/qaic | |
| parent | drm/panel: simple: Add EDT ETML1010G3DRA panel (diff) | |
| parent | Linux 6.8-rc1 (diff) | |
| download | linux-4db102dcb0396a4ccf89b1eac0f4eb3fd167a080.tar.xz linux-4db102dcb0396a4ccf89b1eac0f4eb3fd167a080.zip | |
Merge drm/drm-next into drm-misc-next
Kickstart 6.9 development cycle.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/accel/qaic')
| -rw-r--r-- | drivers/accel/qaic/mhi_controller.c | 15 | ||||
| -rw-r--r-- | drivers/accel/qaic/qaic_data.c | 8 |
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/accel/qaic/mhi_controller.c b/drivers/accel/qaic/mhi_controller.c index 364eede0ac02..51cb85d0387b 100644 --- a/drivers/accel/qaic/mhi_controller.c +++ b/drivers/accel/qaic/mhi_controller.c @@ -436,8 +436,21 @@ static struct mhi_controller_config aic100_config = { static int mhi_read_reg(struct mhi_controller *mhi_cntrl, void __iomem *addr, u32 *out) { - u32 tmp = readl_relaxed(addr); + u32 tmp; + /* + * SOC_HW_VERSION quirk + * The SOC_HW_VERSION register (offset 0x224) is not reliable and + * may contain uninitialized values, including 0xFFFFFFFF. This could + * cause a false positive link down error. Instead, intercept any + * reads and provide the correct value of the register. + */ + if (addr - mhi_cntrl->regs == 0x224) { + *out = 0x60110200; + return 0; + } + + tmp = readl_relaxed(addr); if (tmp == U32_MAX) return -EIO; diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c index f88d925c8001..2459fe4a3f95 100644 --- a/drivers/accel/qaic/qaic_data.c +++ b/drivers/accel/qaic/qaic_data.c @@ -457,7 +457,7 @@ static int create_sgt(struct qaic_device *qdev, struct sg_table **sgt_out, u64 s * later */ buf_extra = (PAGE_SIZE - size % PAGE_SIZE) % PAGE_SIZE; - max_order = min(MAX_ORDER, get_order(size)); + max_order = min(MAX_PAGE_ORDER, get_order(size)); } else { /* allocate a single page for book keeping */ nr_pages = 1; @@ -787,7 +787,6 @@ struct drm_gem_object *qaic_gem_prime_import(struct drm_device *dev, struct dma_ struct dma_buf_attachment *attach; struct drm_gem_object *obj; struct qaic_bo *bo; - size_t size; int ret; bo = qaic_alloc_init_bo(); @@ -805,13 +804,12 @@ struct drm_gem_object *qaic_gem_prime_import(struct drm_device *dev, struct dma_ goto attach_fail; } - size = PAGE_ALIGN(attach->dmabuf->size); - if (size == 0) { + if (!attach->dmabuf->size) { ret = -EINVAL; goto size_align_fail; } - drm_gem_private_object_init(dev, obj, size); + drm_gem_private_object_init(dev, obj, attach->dmabuf->size); /* * skipping dma_buf_map_attachment() as we do not know the direction * just yet. Once the direction is known in the subsequent IOCTL to |