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-rw-r--r--drivers/gpu/drm/Kconfig2
-rw-r--r--drivers/gpu/drm/bridge/lontium-lt8912b.c16
-rw-r--r--drivers/gpu/drm/bridge/lontium-lt9611uxc.c2
-rw-r--r--drivers/gpu/drm/drm_panel.c17
-rw-r--r--drivers/gpu/drm/drm_probe_helper.c7
-rw-r--r--drivers/gpu/drm/exynos/exynos_dp.c7
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_vidi.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c4
-rw-r--r--drivers/gpu/drm/imx/ipuv3/parallel-display.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c1
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c9
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c2
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c2
-rw-r--r--drivers/gpu/drm/xe/xe_exec.c41
-rw-r--r--drivers/gpu/drm/xe/xe_gt_pagefault.c4
-rw-r--r--drivers/gpu/drm/xe/xe_trace.h2
-rw-r--r--drivers/gpu/drm/xe/xe_vm.c32
-rw-r--r--drivers/gpu/drm/xe/xe_vm_types.h7
-rw-r--r--drivers/gpu/drm/xe/xe_vram_freq.c4
-rw-r--r--include/drm/drm_bridge.h4
-rw-r--r--include/drm/drm_fixed.h3
-rw-r--r--include/drm/drm_modeset_helper_vtables.h3
23 files changed, 109 insertions, 70 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 872edb47bb53..ba45c998b9f8 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -68,6 +68,7 @@ config DRM_USE_DYNAMIC_DEBUG
config DRM_KUNIT_TEST_HELPERS
tristate
depends on DRM && KUNIT
+ select DRM_KMS_HELPER
help
KUnit Helpers for KMS drivers.
@@ -80,7 +81,6 @@ config DRM_KUNIT_TEST
select DRM_EXEC
select DRM_EXPORT_FOR_TESTS if m
select DRM_GEM_SHMEM_HELPER
- select DRM_KMS_HELPER
select DRM_KUNIT_TEST_HELPERS
select DRM_LIB_RANDOM
select PRIME_NUMBERS
diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
index e7c4bef74aa4..4b2ae27f0a57 100644
--- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
+++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
@@ -441,23 +441,21 @@ lt8912_connector_mode_valid(struct drm_connector *connector,
static int lt8912_connector_get_modes(struct drm_connector *connector)
{
const struct drm_edid *drm_edid;
- int ret = -1;
- int num = 0;
struct lt8912 *lt = connector_to_lt8912(connector);
u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ int ret, num;
drm_edid = drm_bridge_edid_read(lt->hdmi_port, connector);
drm_edid_connector_update(connector, drm_edid);
- if (drm_edid) {
- num = drm_edid_connector_add_modes(connector);
- } else {
- return ret;
- }
+ if (!drm_edid)
+ return 0;
+
+ num = drm_edid_connector_add_modes(connector);
ret = drm_display_info_set_bus_formats(&connector->display_info,
&bus_format, 1);
- if (ret)
- num = ret;
+ if (ret < 0)
+ num = 0;
drm_edid_free(drm_edid);
return num;
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
index bcf8bccd86d6..f4f593ad8f79 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
@@ -294,8 +294,8 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc,
static int lt9611uxc_connector_get_modes(struct drm_connector *connector)
{
struct lt9611uxc *lt9611uxc = connector_to_lt9611uxc(connector);
- unsigned int count;
const struct drm_edid *drm_edid;
+ int count;
drm_edid = drm_bridge_edid_read(&lt9611uxc->bridge, connector);
drm_edid_connector_update(connector, drm_edid);
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index e814020bbcd3..cfbe020de54e 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -274,19 +274,24 @@ EXPORT_SYMBOL(drm_panel_disable);
* The modes probed from the panel are automatically added to the connector
* that the panel is attached to.
*
- * Return: The number of modes available from the panel on success or a
- * negative error code on failure.
+ * Return: The number of modes available from the panel on success, or 0 on
+ * failure (no modes).
*/
int drm_panel_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
if (!panel)
- return -EINVAL;
+ return 0;
- if (panel->funcs && panel->funcs->get_modes)
- return panel->funcs->get_modes(panel, connector);
+ if (panel->funcs && panel->funcs->get_modes) {
+ int num;
- return -EOPNOTSUPP;
+ num = panel->funcs->get_modes(panel, connector);
+ if (num > 0)
+ return num;
+ }
+
+ return 0;
}
EXPORT_SYMBOL(drm_panel_get_modes);
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 19ecb749704b..75f84753f6ee 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -422,6 +422,13 @@ static int drm_helper_probe_get_modes(struct drm_connector *connector)
count = connector_funcs->get_modes(connector);
+ /* The .get_modes() callback should not return negative values. */
+ if (count < 0) {
+ drm_err(connector->dev, ".get_modes() returned %pe\n",
+ ERR_PTR(count));
+ count = 0;
+ }
+
/*
* Fallback for when DDC probe failed in drm_get_edid() and thus skipped
* override/firmware EDID.
diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index ca31bad6c576..f48c4343f469 100644
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -74,16 +74,15 @@ static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data,
{
struct exynos_dp_device *dp = to_dp(plat_data);
struct drm_display_mode *mode;
- int num_modes = 0;
if (dp->plat_data.panel)
- return num_modes;
+ return 0;
mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_DEV_ERROR(dp->dev,
"failed to create a new display mode.\n");
- return num_modes;
+ return 0;
}
drm_display_mode_from_videomode(&dp->vm, mode);
@@ -94,7 +93,7 @@ static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data,
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
- return num_modes + 1;
+ return 1;
}
static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 00382f28748a..f5bbba9ad225 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -316,14 +316,14 @@ static int vidi_get_modes(struct drm_connector *connector)
*/
if (!ctx->raw_edid) {
DRM_DEV_DEBUG_KMS(ctx->dev, "raw_edid is null.\n");
- return -EFAULT;
+ return 0;
}
edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
if (!edid) {
DRM_DEV_DEBUG_KMS(ctx->dev, "failed to allocate edid\n");
- return -ENOMEM;
+ return 0;
}
drm_connector_update_edid_property(connector, edid);
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 43bed6cbaaea..b1d02dec3774 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -887,11 +887,11 @@ static int hdmi_get_modes(struct drm_connector *connector)
int ret;
if (!hdata->ddc_adpt)
- return -ENODEV;
+ return 0;
edid = drm_get_edid(connector, hdata->ddc_adpt);
if (!edid)
- return -ENODEV;
+ return 0;
hdata->dvi_mode = !connector->display_info.is_hdmi;
DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c
index 70349739dd89..55dedd73f528 100644
--- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c
+++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c
@@ -72,14 +72,14 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
int ret;
if (!mode)
- return -EINVAL;
+ return 0;
ret = of_get_drm_display_mode(np, &imxpd->mode,
&imxpd->bus_flags,
OF_USE_NATIVE_MODE);
if (ret) {
drm_mode_destroy(connector->dev, mode);
- return ret;
+ return 0;
}
drm_mode_copy(mode, &imxpd->mode);
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 56dcd25db1ce..db8cbf615112 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1256,6 +1256,8 @@ out:
drm_vma_node_unmap(&nvbo->bo.base.vma_node,
bdev->dev_mapping);
nouveau_ttm_io_mem_free_locked(drm, nvbo->bo.resource);
+ nvbo->bo.resource->bus.offset = 0;
+ nvbo->bo.resource->bus.addr = NULL;
goto retry;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
index 666eb93b1742..11b4c9c274a1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
@@ -41,7 +41,6 @@ r535_devinit_new(const struct nvkm_devinit_func *hw,
rm->dtor = r535_devinit_dtor;
rm->post = hw->post;
- rm->disable = hw->disable;
ret = nv50_devinit_new_(rm, device, type, inst, pdevinit);
if (ret)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index a64c81385682..c029e5dc1948 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -1432,6 +1432,10 @@ r535_gsp_msg_post_event(void *priv, u32 fn, void *repv, u32 repc)
/**
* r535_gsp_msg_run_cpu_sequencer() -- process I/O commands from the GSP
+ * @priv: gsp pointer
+ * @fn: function number (ignored)
+ * @repv: pointer to libos print RPC
+ * @repc: message size
*
* The GSP sequencer is a list of I/O commands that the GSP can send to
* the driver to perform for various purposes. The most common usage is to
@@ -1783,6 +1787,7 @@ static void create_pte_array(u64 *ptes, dma_addr_t addr, size_t size)
/**
* r535_gsp_libos_init() -- create the libos arguments structure
+ * @gsp: gsp pointer
*
* The logging buffers are byte queues that contain encoded printf-like
* messages from GSP-RM. They need to be decoded by a special application
@@ -1922,6 +1927,10 @@ nvkm_gsp_radix3_dtor(struct nvkm_gsp *gsp, struct nvkm_gsp_radix3 *rx3)
/**
* nvkm_gsp_radix3_sg - build a radix3 table from a S/G list
+ * @gsp: gsp pointer
+ * @sgt: S/G list to traverse
+ * @size: size of the image, in bytes
+ * @rx3: radix3 array to update
*
* The GSP uses a three-level page table, called radix3, to map the firmware.
* Each 64-bit "pointer" in the table is either the bus address of an entry in
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index 69001a3dc0df..2d1880c61b50 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -166,7 +166,7 @@ sun4i_hdmi_connector_clock_valid(const struct drm_connector *connector,
unsigned long long clock)
{
const struct sun4i_hdmi *hdmi = drm_connector_to_sun4i_hdmi(connector);
- unsigned long diff = clock / 200; /* +-0.5% allowed by HDMI spec */
+ unsigned long diff = div_u64(clock, 200); /* +-0.5% allowed by HDMI spec */
long rounded_rate;
if (mode->flags & DRM_MODE_FLAG_DBLCLK)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 34f807ed1c31..d8751ea20303 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -509,7 +509,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
edid = drm_get_edid(connector, vc4_hdmi->ddc);
cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid);
if (!edid)
- return -ENODEV;
+ return 0;
drm_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index 952496c6260d..826c8b389672 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -235,6 +235,29 @@ retry:
goto err_unlock_list;
}
+ if (!args->num_batch_buffer) {
+ err = xe_vm_lock(vm, true);
+ if (err)
+ goto err_unlock_list;
+
+ if (!xe_vm_in_lr_mode(vm)) {
+ struct dma_fence *fence;
+
+ fence = xe_sync_in_fence_get(syncs, num_syncs, q, vm);
+ if (IS_ERR(fence)) {
+ err = PTR_ERR(fence);
+ goto err_unlock_list;
+ }
+ for (i = 0; i < num_syncs; i++)
+ xe_sync_entry_signal(&syncs[i], NULL, fence);
+ xe_exec_queue_last_fence_set(q, vm, fence);
+ dma_fence_put(fence);
+ }
+
+ xe_vm_unlock(vm);
+ goto err_unlock_list;
+ }
+
vm_exec.vm = &vm->gpuvm;
vm_exec.flags = DRM_EXEC_INTERRUPTIBLE_WAIT;
if (xe_vm_in_lr_mode(vm)) {
@@ -254,24 +277,6 @@ retry:
goto err_exec;
}
- if (!args->num_batch_buffer) {
- if (!xe_vm_in_lr_mode(vm)) {
- struct dma_fence *fence;
-
- fence = xe_sync_in_fence_get(syncs, num_syncs, q, vm);
- if (IS_ERR(fence)) {
- err = PTR_ERR(fence);
- goto err_exec;
- }
- for (i = 0; i < num_syncs; i++)
- xe_sync_entry_signal(&syncs[i], NULL, fence);
- xe_exec_queue_last_fence_set(q, vm, fence);
- dma_fence_put(fence);
- }
-
- goto err_exec;
- }
-
if (xe_exec_queue_is_lr(q) && xe_exec_queue_ring_full(q)) {
err = -EWOULDBLOCK; /* Aliased to -EAGAIN */
skip_retry = true;
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index 73c535193a98..241c294270d9 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -69,7 +69,7 @@ static bool access_is_atomic(enum access_type access_type)
static bool vma_is_valid(struct xe_tile *tile, struct xe_vma *vma)
{
return BIT(tile->id) & vma->tile_present &&
- !(BIT(tile->id) & vma->usm.tile_invalidated);
+ !(BIT(tile->id) & vma->tile_invalidated);
}
static bool vma_matches(struct xe_vma *vma, u64 page_addr)
@@ -226,7 +226,7 @@ retry_userptr:
if (xe_vma_is_userptr(vma))
ret = xe_vma_userptr_check_repin(to_userptr_vma(vma));
- vma->usm.tile_invalidated &= ~BIT(tile->id);
+ vma->tile_invalidated &= ~BIT(tile->id);
unlock_dma_resv:
drm_exec_fini(&exec);
diff --git a/drivers/gpu/drm/xe/xe_trace.h b/drivers/gpu/drm/xe/xe_trace.h
index 3b97633d81d8..d82c138f1ece 100644
--- a/drivers/gpu/drm/xe/xe_trace.h
+++ b/drivers/gpu/drm/xe/xe_trace.h
@@ -464,7 +464,7 @@ DEFINE_EVENT(xe_vma, xe_vma_userptr_invalidate,
TP_ARGS(vma)
);
-DEFINE_EVENT(xe_vma, xe_vma_usm_invalidate,
+DEFINE_EVENT(xe_vma, xe_vma_invalidate,
TP_PROTO(struct xe_vma *vma),
TP_ARGS(vma)
);
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index e3bde897f6e8..3dd8bb64bb00 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -708,6 +708,7 @@ int xe_vm_userptr_pin(struct xe_vm *vm)
int err = 0;
LIST_HEAD(tmp_evict);
+ xe_assert(vm->xe, !xe_vm_in_fault_mode(vm));
lockdep_assert_held_write(&vm->lock);
/* Collect invalidated userptrs */
@@ -724,11 +725,27 @@ int xe_vm_userptr_pin(struct xe_vm *vm)
list_for_each_entry_safe(uvma, next, &vm->userptr.repin_list,
userptr.repin_link) {
err = xe_vma_userptr_pin_pages(uvma);
- if (err < 0)
- return err;
+ if (err == -EFAULT) {
+ list_del_init(&uvma->userptr.repin_link);
- list_del_init(&uvma->userptr.repin_link);
- list_move_tail(&uvma->vma.combined_links.rebind, &vm->rebind_list);
+ /* Wait for pending binds */
+ xe_vm_lock(vm, false);
+ dma_resv_wait_timeout(xe_vm_resv(vm),
+ DMA_RESV_USAGE_BOOKKEEP,
+ false, MAX_SCHEDULE_TIMEOUT);
+
+ err = xe_vm_invalidate_vma(&uvma->vma);
+ xe_vm_unlock(vm);
+ if (err)
+ return err;
+ } else {
+ if (err < 0)
+ return err;
+
+ list_del_init(&uvma->userptr.repin_link);
+ list_move_tail(&uvma->vma.combined_links.rebind,
+ &vm->rebind_list);
+ }
}
return 0;
@@ -1987,7 +2004,7 @@ static int xe_vm_prefetch(struct xe_vm *vm, struct xe_vma *vma,
return err;
}
- if (vma->tile_mask != (vma->tile_present & ~vma->usm.tile_invalidated)) {
+ if (vma->tile_mask != (vma->tile_present & ~vma->tile_invalidated)) {
return xe_vm_bind(vm, vma, q, xe_vma_bo(vma), syncs, num_syncs,
true, first_op, last_op);
} else {
@@ -3185,9 +3202,8 @@ int xe_vm_invalidate_vma(struct xe_vma *vma)
u8 id;
int ret;
- xe_assert(xe, xe_vm_in_fault_mode(xe_vma_vm(vma)));
xe_assert(xe, !xe_vma_is_null(vma));
- trace_xe_vma_usm_invalidate(vma);
+ trace_xe_vma_invalidate(vma);
/* Check that we don't race with page-table updates */
if (IS_ENABLED(CONFIG_PROVE_LOCKING)) {
@@ -3225,7 +3241,7 @@ int xe_vm_invalidate_vma(struct xe_vma *vma)
}
}
- vma->usm.tile_invalidated = vma->tile_mask;
+ vma->tile_invalidated = vma->tile_mask;
return 0;
}
diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h
index 292f8cadb40f..713996f7dc59 100644
--- a/drivers/gpu/drm/xe/xe_vm_types.h
+++ b/drivers/gpu/drm/xe/xe_vm_types.h
@@ -83,11 +83,8 @@ struct xe_vma {
struct work_struct destroy_work;
};
- /** @usm: unified shared memory state */
- struct {
- /** @tile_invalidated: VMA has been invalidated */
- u8 tile_invalidated;
- } usm;
+ /** @tile_invalidated: VMA has been invalidated */
+ u8 tile_invalidated;
/** @tile_mask: Tile mask of where to create binding for this VMA */
u8 tile_mask;
diff --git a/drivers/gpu/drm/xe/xe_vram_freq.c b/drivers/gpu/drm/xe/xe_vram_freq.c
index 079cc283a186..c5f6b5a5d117 100644
--- a/drivers/gpu/drm/xe/xe_vram_freq.c
+++ b/drivers/gpu/drm/xe/xe_vram_freq.c
@@ -111,8 +111,10 @@ void xe_vram_freq_sysfs_init(struct xe_tile *tile)
return;
kobj = kobject_create_and_add("memory", tile->sysfs);
- if (!kobj)
+ if (!kobj) {
drm_warn(&xe->drm, "failed to add memory directory, err: %d\n", -ENOMEM);
+ return;
+ }
err = sysfs_create_group(kobj, &freq_group_attrs);
if (err) {
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 3606e1a7f965..4baca0d9107b 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -541,7 +541,7 @@ struct drm_bridge_funcs {
* The @get_modes callback is mostly intended to support non-probeable
* displays such as many fixed panels. Bridges that support reading
* EDID shall leave @get_modes unimplemented and implement the
- * &drm_bridge_funcs->get_edid callback instead.
+ * &drm_bridge_funcs->edid_read callback instead.
*
* This callback is optional. Bridges that implement it shall set the
* DRM_BRIDGE_OP_MODES flag in their &drm_bridge->ops.
@@ -687,7 +687,7 @@ enum drm_bridge_ops {
/**
* @DRM_BRIDGE_OP_EDID: The bridge can retrieve the EDID of the display
* connected to its output. Bridges that set this flag shall implement
- * the &drm_bridge_funcs->get_edid callback.
+ * the &drm_bridge_funcs->edid_read callback.
*/
DRM_BRIDGE_OP_EDID = BIT(1),
/**
diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h
index 0c9f917a4d4b..81572d32db0c 100644
--- a/include/drm/drm_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -71,7 +71,6 @@ static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
}
#define DRM_FIXED_POINT 32
-#define DRM_FIXED_POINT_HALF 16
#define DRM_FIXED_ONE (1ULL << DRM_FIXED_POINT)
#define DRM_FIXED_DECIMAL_MASK (DRM_FIXED_ONE - 1)
#define DRM_FIXED_DIGITS_MASK (~DRM_FIXED_DECIMAL_MASK)
@@ -90,7 +89,7 @@ static inline int drm_fixp2int(s64 a)
static inline int drm_fixp2int_round(s64 a)
{
- return drm_fixp2int(a + (1 << (DRM_FIXED_POINT_HALF - 1)));
+ return drm_fixp2int(a + DRM_FIXED_ONE / 2);
}
static inline int drm_fixp2int_ceil(s64 a)
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 881b03e4dc28..9ed42469540e 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -898,7 +898,8 @@ struct drm_connector_helper_funcs {
*
* RETURNS:
*
- * The number of modes added by calling drm_mode_probed_add().
+ * The number of modes added by calling drm_mode_probed_add(). Return 0
+ * on failures (no modes) instead of negative error codes.
*/
int (*get_modes)(struct drm_connector *connector);