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Message-Id: <12d4ca26f6843618200529ce5445063734d38c04.1605521731.git.mchehab+huawei@kernel.org>
Date: Mon, 16 Nov 2020 11:18:01 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
Christian König <christian.koenig@....com>,
"Jonathan Corbet" <corbet@....net>,
José Roberto de Souza <jose.souza@...el.com>,
"Linux Doc Mailing List" <linux-doc@...r.kernel.org>,
Ville Syrjälä
<ville.syrjala@...ux.intel.com>,
Alex Deucher <alexander.deucher@....com>,
Andrey Grodzovsky <andrey.grodzovsky@....com>,
Eric Anholt <eric@...olt.net>, Imre Deak <imre.deak@...el.com>,
Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Luben Tuikov <luben.tuikov@....com>,
Lucas Stach <l.stach@...gutronix.de>,
Matt Roper <matthew.d.roper@...el.com>,
Nirmoy Das <nirmoy.aiemd@...il.com>,
Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@...el.com>,
Wambui Karuga <wambui.karugax@...il.com>,
Yintian Tao <yttao@....com>, changzhu <Changfeng.Zhu@....com>,
dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v4 05/27] drm: fix some kernel-doc markups
Some identifiers have different names between their prototypes
and the kernel-doc markup.
Others need to be fixed, as kernel-doc markups should use this format:
identifier - description
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
drivers/gpu/drm/drm_atomic_state_helper.c | 2 +-
drivers/gpu/drm/drm_connector.c | 3 ++-
drivers/gpu/drm/drm_dp_helper.c | 2 +-
drivers/gpu/drm/drm_framebuffer.c | 2 +-
drivers/gpu/drm/drm_gem.c | 4 ++--
drivers/gpu/drm/drm_gem_vram_helper.c | 2 +-
drivers/gpu/drm/drm_mode_object.c | 2 +-
drivers/gpu/drm/drm_modes.c | 4 ++--
drivers/gpu/drm/drm_scdc_helper.c | 2 +-
drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 2 +-
drivers/gpu/drm/i915/i915_gem_evict.c | 2 +-
drivers/gpu/drm/i915/i915_perf.c | 8 +++++---
drivers/gpu/drm/scheduler/sched_main.c | 2 +-
drivers/gpu/drm/v3d/v3d_sched.c | 2 +-
drivers/gpu/drm/vc4/vc4_bo.c | 2 +-
include/drm/drm_atomic_helper.h | 4 ++--
include/drm/drm_connector.h | 2 +-
include/drm/drm_device.h | 2 +-
include/drm/drm_dsc.h | 3 ++-
include/drm/drm_gem_vram_helper.h | 8 ++++----
20 files changed, 32 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
index 9ad74045158e..ddcf5c2c8e6a 100644
--- a/drivers/gpu/drm/drm_atomic_state_helper.c
+++ b/drivers/gpu/drm/drm_atomic_state_helper.c
@@ -526,41 +526,41 @@ __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state)
}
EXPORT_SYMBOL(__drm_atomic_helper_connector_destroy_state);
/**
* drm_atomic_helper_connector_destroy_state - default state destroy hook
* @connector: drm connector
* @state: connector state object to release
*
* Default connector state destroy hook for drivers which don't have their own
* subclassed connector state structure.
*/
void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
struct drm_connector_state *state)
{
__drm_atomic_helper_connector_destroy_state(state);
kfree(state);
}
EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state);
/**
- * __drm_atomic_helper_private_duplicate_state - copy atomic private state
+ * __drm_atomic_helper_private_obj_duplicate_state - copy atomic private state
* @obj: CRTC object
* @state: new private object state
*
* Copies atomic state from a private objects's current state and resets inferred values.
* This is useful for drivers that subclass the private state.
*/
void __drm_atomic_helper_private_obj_duplicate_state(struct drm_private_obj *obj,
struct drm_private_state *state)
{
memcpy(state, obj->state, sizeof(*state));
}
EXPORT_SYMBOL(__drm_atomic_helper_private_obj_duplicate_state);
/**
* __drm_atomic_helper_bridge_duplicate_state() - Copy atomic bridge state
* @bridge: bridge object
* @state: atomic bridge state
*
* Copies atomic state from a bridge's current state and resets inferred values.
* This is useful for drivers that subclass the bridge state.
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 1913d8b4e16a..98b6ec45ef96 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -1415,41 +1415,42 @@ void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
break;
case DRM_MODE_CONTENT_TYPE_CINEMA:
frame->content_type = HDMI_CONTENT_TYPE_CINEMA;
break;
case DRM_MODE_CONTENT_TYPE_GAME:
frame->content_type = HDMI_CONTENT_TYPE_GAME;
break;
case DRM_MODE_CONTENT_TYPE_PHOTO:
frame->content_type = HDMI_CONTENT_TYPE_PHOTO;
break;
default:
/* Graphics is the default(0) */
frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
}
frame->itc = conn_state->content_type != DRM_MODE_CONTENT_TYPE_NO_DATA;
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_content_type);
/**
- * drm_mode_attach_tv_margin_properties - attach TV connector margin properties
+ * drm_connector_attach_tv_margin_properties - attach TV connector margin
+ * properties
* @connector: DRM connector
*
* Called by a driver when it needs to attach TV margin props to a connector.
* Typically used on SDTV and HDMI connectors.
*/
void drm_connector_attach_tv_margin_properties(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
drm_object_attach_property(&connector->base,
dev->mode_config.tv_left_margin_property,
0);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_right_margin_property,
0);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_top_margin_property,
0);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_bottom_margin_property,
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 37ec3b94389c..5bd0934004e3 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1144,41 +1144,41 @@ drm_dp_subconnector_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
switch (type) {
case DP_DS_PORT_TYPE_DP:
case DP_DS_PORT_TYPE_DP_DUALMODE:
return DRM_MODE_SUBCONNECTOR_DisplayPort;
case DP_DS_PORT_TYPE_VGA:
return DRM_MODE_SUBCONNECTOR_VGA;
case DP_DS_PORT_TYPE_DVI:
return DRM_MODE_SUBCONNECTOR_DVID;
case DP_DS_PORT_TYPE_HDMI:
return DRM_MODE_SUBCONNECTOR_HDMIA;
case DP_DS_PORT_TYPE_WIRELESS:
return DRM_MODE_SUBCONNECTOR_Wireless;
case DP_DS_PORT_TYPE_NON_EDID:
default:
return DRM_MODE_SUBCONNECTOR_Unknown;
}
}
EXPORT_SYMBOL(drm_dp_subconnector_type);
/**
- * drm_mode_set_dp_subconnector_property - set subconnector for DP connector
+ * drm_dp_set_subconnector_property - set subconnector for DP connector
* @connector: connector to set property on
* @status: connector status
* @dpcd: DisplayPort configuration data
* @port_cap: port capabilities
*
* Called by a driver on every detect event.
*/
void drm_dp_set_subconnector_property(struct drm_connector *connector,
enum drm_connector_status status,
const u8 *dpcd,
const u8 port_cap[4])
{
enum drm_mode_subconnector subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
if (status == connector_status_connected)
subconnector = drm_dp_subconnector_type(dpcd, port_cap);
drm_object_property_set_value(&connector->base,
connector->dev->mode_config.dp_subconnector_property,
subconnector);
}
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 2f5b0c2bb0fe..aca62ed51e82 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -535,41 +535,41 @@ int drm_mode_getfb(struct drm_device *dev,
/* GET_FB() is an unprivileged ioctl so we must not return a
* buffer-handle to non-master processes! For
* backwards-compatibility reasons, we cannot make GET_FB() privileged,
* so just return an invalid handle for non-masters.
*/
if (!drm_is_current_master(file_priv) && !capable(CAP_SYS_ADMIN)) {
r->handle = 0;
ret = 0;
goto out;
}
ret = fb->funcs->create_handle(fb, file_priv, &r->handle);
out:
drm_framebuffer_put(fb);
return ret;
}
/**
- * drm_mode_getfb2 - get extended FB info
+ * drm_mode_getfb2_ioctl - get extended FB info
* @dev: drm device for the ioctl
* @data: data pointer for the ioctl
* @file_priv: drm file for the ioctl call
*
* Lookup the FB given its ID and return info about it.
*
* Called by the user via ioctl.
*
* Returns:
* Zero on success, negative errno on failure.
*/
int drm_mode_getfb2_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
struct drm_mode_fb_cmd2 *r = data;
struct drm_framebuffer *fb;
unsigned int i;
int ret;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index eb2d23e04be9..92f89cee213e 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -850,41 +850,41 @@ drm_gem_flink_ioctl(struct drm_device *dev, void *data,
}
if (!obj->name) {
ret = idr_alloc(&dev->object_name_idr, obj, 1, 0, GFP_KERNEL);
if (ret < 0)
goto err;
obj->name = ret;
}
args->name = (uint64_t) obj->name;
ret = 0;
err:
mutex_unlock(&dev->object_name_lock);
drm_gem_object_put(obj);
return ret;
}
/**
- * drm_gem_open - implementation of the GEM_OPEN ioctl
+ * drm_gem_open_ioctl - implementation of the GEM_OPEN ioctl
* @dev: drm_device
* @data: ioctl data
* @file_priv: drm file-private structure
*
* Open an object using the global name, returning a handle and the size.
*
* This handle (of course) holds a reference to the object, so the object
* will not go away until the handle is deleted.
*/
int
drm_gem_open_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_gem_open *args = data;
struct drm_gem_object *obj;
int ret;
u32 handle;
if (!drm_core_check_feature(dev, DRIVER_GEM))
return -EOPNOTSUPP;
@@ -895,41 +895,41 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data,
drm_gem_object_get(obj);
} else {
mutex_unlock(&dev->object_name_lock);
return -ENOENT;
}
/* drm_gem_handle_create_tail unlocks dev->object_name_lock. */
ret = drm_gem_handle_create_tail(file_priv, obj, &handle);
if (ret)
goto err;
args->handle = handle;
args->size = obj->size;
err:
drm_gem_object_put(obj);
return ret;
}
/**
- * gem_gem_open - initalizes GEM file-private structures at devnode open time
+ * drm_gem_open - initalizes GEM file-private structures at devnode open time
* @dev: drm_device which is being opened by userspace
* @file_private: drm file-private structure to set up
*
* Called at device open time, sets up the structure for handling refcounting
* of mm objects.
*/
void
drm_gem_open(struct drm_device *dev, struct drm_file *file_private)
{
idr_init_base(&file_private->object_idr, 1);
spin_lock_init(&file_private->table_lock);
}
/**
* drm_gem_release - release file-private GEM resources
* @dev: drm_device which is being closed by userspace
* @file_private: drm file-private structure to clean up
*
* Called at close time when the filp is going away.
*
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 889a06696f7e..02ca22e90290 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -600,41 +600,41 @@ static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo,
* Helpers for struct drm_gem_object_funcs
*/
/**
* drm_gem_vram_object_free() - \
Implements &struct drm_gem_object_funcs.free
* @gem: GEM object. Refers to &struct drm_gem_vram_object.gem
*/
static void drm_gem_vram_object_free(struct drm_gem_object *gem)
{
struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem);
drm_gem_vram_put(gbo);
}
/*
* Helpers for dump buffers
*/
/**
- * drm_gem_vram_driver_create_dumb() - \
+ * drm_gem_vram_driver_dumb_create() - \
Implements &struct drm_driver.dumb_create
* @file: the DRM file
* @dev: the DRM device
* @args: the arguments as provided to \
&struct drm_driver.dumb_create
*
* This function requires the driver to use @drm_device.vram_mm for its
* instance of VRAM MM.
*
* Returns:
* 0 on success, or
* a negative error code otherwise.
*/
int drm_gem_vram_driver_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized"))
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
index db05f386a709..b26588b52795 100644
--- a/drivers/gpu/drm/drm_mode_object.c
+++ b/drivers/gpu/drm/drm_mode_object.c
@@ -98,41 +98,41 @@ void drm_mode_object_register(struct drm_device *dev,
* Free @id from @dev's unique identifier pool.
* This function can be called multiple times, and guards against
* multiple removals.
* These modeset identifiers are _not_ reference counted. Hence don't use this
* for reference counted modeset objects like framebuffers.
*/
void drm_mode_object_unregister(struct drm_device *dev,
struct drm_mode_object *object)
{
WARN_ON(!dev->driver->load && dev->registered && !object->free_cb);
mutex_lock(&dev->mode_config.idr_mutex);
if (object->id) {
idr_remove(&dev->mode_config.object_idr, object->id);
object->id = 0;
}
mutex_unlock(&dev->mode_config.idr_mutex);
}
/**
- * drm_lease_required - check types which must be leased to be used
+ * drm_mode_object_lease_required - check types which must be leased to be used
* @type: type of object
*
* Returns whether the provided type of drm_mode_object must
* be owned or leased to be used by a process.
*/
bool drm_mode_object_lease_required(uint32_t type)
{
switch(type) {
case DRM_MODE_OBJECT_CRTC:
case DRM_MODE_OBJECT_CONNECTOR:
case DRM_MODE_OBJECT_PLANE:
return true;
default:
return false;
}
}
struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
struct drm_file *file_priv,
uint32_t id, uint32_t type)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 501b4fe55a3d..33fb2f05ce66 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1872,41 +1872,41 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev,
cmd->margins);
else
mode = drm_gtf_mode(dev,
cmd->xres, cmd->yres,
cmd->refresh_specified ? cmd->refresh : 60,
cmd->interlace,
cmd->margins);
if (!mode)
return NULL;
mode->type |= DRM_MODE_TYPE_USERDEF;
/* fix up 1368x768: GFT/CVT can't express 1366 width due to alignment */
if (cmd->xres == 1366)
drm_mode_fixup_1366x768(mode);
drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
return mode;
}
EXPORT_SYMBOL(drm_mode_create_from_cmdline_mode);
/**
- * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
+ * drm_mode_convert_to_umode - convert a drm_display_mode into a modeinfo
* @out: drm_mode_modeinfo struct to return to the user
* @in: drm_display_mode to use
*
* Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
* the user.
*/
void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
const struct drm_display_mode *in)
{
out->clock = in->clock;
out->hdisplay = in->hdisplay;
out->hsync_start = in->hsync_start;
out->hsync_end = in->hsync_end;
out->htotal = in->htotal;
out->hskew = in->hskew;
out->vdisplay = in->vdisplay;
out->vsync_start = in->vsync_start;
out->vsync_end = in->vsync_end;
out->vtotal = in->vtotal;
out->vscan = in->vscan;
@@ -1924,41 +1924,41 @@ void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
case HDMI_PICTURE_ASPECT_64_27:
out->flags |= DRM_MODE_FLAG_PIC_AR_64_27;
break;
case HDMI_PICTURE_ASPECT_256_135:
out->flags |= DRM_MODE_FLAG_PIC_AR_256_135;
break;
default:
WARN(1, "Invalid aspect ratio (0%x) on mode\n",
in->picture_aspect_ratio);
fallthrough;
case HDMI_PICTURE_ASPECT_NONE:
out->flags |= DRM_MODE_FLAG_PIC_AR_NONE;
break;
}
strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
}
/**
- * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode
+ * drm_mode_convert_umode - convert a modeinfo into a drm_display_mode
* @dev: drm device
* @out: drm_display_mode to return to the user
* @in: drm_mode_modeinfo to use
*
* Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
* the caller.
*
* Returns:
* Zero on success, negative errno on failure.
*/
int drm_mode_convert_umode(struct drm_device *dev,
struct drm_display_mode *out,
const struct drm_mode_modeinfo *in)
{
if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
return -ERANGE;
out->clock = in->clock;
out->hdisplay = in->hdisplay;
out->hsync_start = in->hsync_start;
diff --git a/drivers/gpu/drm/drm_scdc_helper.c b/drivers/gpu/drm/drm_scdc_helper.c
index 311e71bbba5b..991b8c86d78d 100644
--- a/drivers/gpu/drm/drm_scdc_helper.c
+++ b/drivers/gpu/drm/drm_scdc_helper.c
@@ -108,41 +108,41 @@ ssize_t drm_scdc_write(struct i2c_adapter *adapter, u8 offset,
msg.buf = data;
memcpy(data, &offset, sizeof(offset));
memcpy(data + 1, buffer, size);
err = i2c_transfer(adapter, &msg, 1);
kfree(data);
if (err < 0)
return err;
if (err != 1)
return -EPROTO;
return 0;
}
EXPORT_SYMBOL(drm_scdc_write);
/**
- * drm_scdc_check_scrambling_status - what is status of scrambling?
+ * drm_scdc_get_scrambling_status - what is status of scrambling?
* @adapter: I2C adapter for DDC channel
*
* Reads the scrambler status over SCDC, and checks the
* scrambling status.
*
* Returns:
* True if the scrambling is enabled, false otherwise.
*/
bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter)
{
u8 status;
int ret;
ret = drm_scdc_readb(adapter, SCDC_SCRAMBLER_STATUS, &status);
if (ret < 0) {
DRM_DEBUG_KMS("Failed to read scrambling status: %d\n", ret);
return false;
}
return status & SCDC_SCRAMBLING_STATUS;
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index a95e6a2ac698..8753bab20ce8 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -4573,41 +4573,41 @@ static void sanitize_dpll_state(struct drm_i915_private *i915,
if (!pll->on || pll->active_mask)
return;
drm_dbg_kms(&i915->drm,
"%s enabled but not in use, disabling\n",
pll->info->name);
pll->info->funcs->disable(i915, pll);
pll->on = false;
}
void intel_dpll_sanitize_state(struct drm_i915_private *i915)
{
int i;
for (i = 0; i < i915->dpll.num_shared_dpll; i++)
sanitize_dpll_state(i915, &i915->dpll.shared_dplls[i]);
}
/**
- * intel_shared_dpll_dump_hw_state - write hw_state to dmesg
+ * intel_dpll_dump_hw_state - write hw_state to dmesg
* @dev_priv: i915 drm device
* @hw_state: hw state to be written to the log
*
* Write the relevant values in @hw_state to dmesg using drm_dbg_kms.
*/
void intel_dpll_dump_hw_state(struct drm_i915_private *dev_priv,
const struct intel_dpll_hw_state *hw_state)
{
if (dev_priv->dpll.mgr) {
dev_priv->dpll.mgr->dump_hw_state(dev_priv, hw_state);
} else {
/* fallback for platforms that don't use the shared dpll
* infrastructure
*/
drm_dbg_kms(&dev_priv->drm,
"dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, "
"fp0: 0x%x, fp1: 0x%x\n",
hw_state->dpll,
hw_state->dpll_md,
hw_state->fp0,
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 6501939929d5..e1a66c8245b8 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -221,41 +221,41 @@ i915_gem_evict_something(struct i915_address_space *vm,
list_for_each_entry_safe(vma, next, &eviction_list, evict_link) {
__i915_vma_unpin(vma);
if (ret == 0)
ret = __i915_vma_unbind(vma);
}
while (ret == 0 && (node = drm_mm_scan_color_evict(&scan))) {
vma = container_of(node, struct i915_vma, node);
/* If we find any non-objects (!vma), we cannot evict them */
if (vma->node.color != I915_COLOR_UNEVICTABLE)
ret = __i915_vma_unbind(vma);
else
ret = -ENOSPC; /* XXX search failed, try again? */
}
return ret;
}
/**
- * i915_gem_evict_for_vma - Evict vmas to make room for binding a new one
+ * i915_gem_evict_for_node - Evict vmas to make room for binding a new one
* @vm: address space to evict from
* @target: range (and color) to evict for
* @flags: additional flags to control the eviction algorithm
*
* This function will try to evict vmas that overlap the target node.
*
* To clarify: This is for freeing up virtual address space, not for freeing
* memory in e.g. the shrinker.
*/
int i915_gem_evict_for_node(struct i915_address_space *vm,
struct drm_mm_node *target,
unsigned int flags)
{
LIST_HEAD(eviction_list);
struct drm_mm_node *node;
u64 start = target->start;
u64 end = start + target->size;
struct i915_vma *vma, *next;
int ret = 0;
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index e94976976571..3ced82820483 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -608,41 +608,42 @@ static int append_oa_sample(struct i915_perf_stream *stream,
if ((count - *offset) < header.size)
return -ENOSPC;
buf += *offset;
if (copy_to_user(buf, &header, sizeof(header)))
return -EFAULT;
buf += sizeof(header);
if (sample_flags & SAMPLE_OA_REPORT) {
if (copy_to_user(buf, report, report_size))
return -EFAULT;
}
(*offset) += header.size;
return 0;
}
/**
- * Copies all buffered OA reports into userspace read() buffer.
+ * gen8_append_oa_reports - Copies all buffered OA reports into
+ * userspace read() buffer.
* @stream: An i915-perf stream opened for OA metrics
* @buf: destination buffer given by userspace
* @count: the number of bytes userspace wants to read
* @offset: (inout): the current position for writing into @buf
*
* Notably any error condition resulting in a short read (-%ENOSPC or
* -%EFAULT) will be returned even though one or more records may
* have been successfully copied. In this case it's up to the caller
* to decide if the error should be squashed before returning to
* userspace.
*
* Note: reports are consumed from the head, and appended to the
* tail, so the tail chases the head?... If you think that's mad
* and back-to-front you're not alone, but this follows the
* Gen PRM naming convention.
*
* Returns: 0 on success, negative error code on failure.
*/
static int gen8_append_oa_reports(struct i915_perf_stream *stream,
char __user *buf,
@@ -900,41 +901,42 @@ static int gen8_oa_read(struct i915_perf_stream *stream,
/*
* Note: .oa_enable() is expected to re-init the oabuffer and
* reset GEN8_OASTATUS for us
*/
oastatus = intel_uncore_read(uncore, oastatus_reg);
}
if (oastatus & GEN8_OASTATUS_REPORT_LOST) {
ret = append_oa_status(stream, buf, count, offset,
DRM_I915_PERF_RECORD_OA_REPORT_LOST);
if (ret)
return ret;
intel_uncore_write(uncore, oastatus_reg,
oastatus & ~GEN8_OASTATUS_REPORT_LOST);
}
return gen8_append_oa_reports(stream, buf, count, offset);
}
/**
- * Copies all buffered OA reports into userspace read() buffer.
+ * gen7_append_oa_reports - Copies all buffered OA reports into
+ * userspace read() buffer.
* @stream: An i915-perf stream opened for OA metrics
* @buf: destination buffer given by userspace
* @count: the number of bytes userspace wants to read
* @offset: (inout): the current position for writing into @buf
*
* Notably any error condition resulting in a short read (-%ENOSPC or
* -%EFAULT) will be returned even though one or more records may
* have been successfully copied. In this case it's up to the caller
* to decide if the error should be squashed before returning to
* userspace.
*
* Note: reports are consumed from the head, and appended to the
* tail, so the tail chases the head?... If you think that's mad
* and back-to-front you're not alone, but this follows the
* Gen PRM naming convention.
*
* Returns: 0 on success, negative error code on failure.
*/
static int gen7_append_oa_reports(struct i915_perf_stream *stream,
char __user *buf,
@@ -3210,41 +3212,41 @@ static long i915_perf_config_locked(struct i915_perf_stream *stream,
* reconfiguration inline from that context. The update
* will then be ordered with respect to submission on that
* context.
*
* When set globally, we use a low priority kernel context,
* so it will effectively take effect when idle.
*/
err = emit_oa_config(stream, config, oa_context(stream), NULL);
if (!err)
config = xchg(&stream->oa_config, config);
else
ret = err;
}
i915_oa_config_put(config);
return ret;
}
/**
- * i915_perf_ioctl - support ioctl() usage with i915 perf stream FDs
+ * i915_perf_ioctl_locked - support ioctl() usage with i915 perf stream FDs
* @stream: An i915 perf stream
* @cmd: the ioctl request
* @arg: the ioctl data
*
* Note: The &perf->lock mutex has been taken to serialize
* with any non-file-operation driver hooks.
*
* Returns: zero on success or a negative error code. Returns -EINVAL for
* an unknown ioctl request.
*/
static long i915_perf_ioctl_locked(struct i915_perf_stream *stream,
unsigned int cmd,
unsigned long arg)
{
switch (cmd) {
case I915_PERF_IOCTL_ENABLE:
i915_perf_enable_locked(stream);
return 0;
case I915_PERF_IOCTL_DISABLE:
i915_perf_disable_locked(stream);
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index da24c4e8b9fb..b498d474ef9e 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -430,41 +430,41 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad)
*/
if (bad != s_job)
sched->ops->free_job(s_job);
else
sched->free_guilty = true;
}
}
/*
* Stop pending timer in flight as we rearm it in drm_sched_start. This
* avoids the pending timeout work in progress to fire right away after
* this TDR finished and before the newly restarted jobs had a
* chance to complete.
*/
cancel_delayed_work(&sched->work_tdr);
}
EXPORT_SYMBOL(drm_sched_stop);
/**
- * drm_sched_job_recovery - recover jobs after a reset
+ * drm_sched_start - recover jobs after a reset
*
* @sched: scheduler instance
* @full_recovery: proceed with complete sched restart
*
*/
void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery)
{
struct drm_sched_job *s_job, *tmp;
int r;
/*
* Locking the list is not required here as the sched thread is parked
* so no new jobs are being inserted or removed. Also concurrent
* GPU recovers can't run in parallel.
*/
list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) {
struct dma_fence *fence = s_job->s_fence->parent;
atomic_inc(&sched->hw_rq_count);
diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
index 0747614a78f0..f968f389633a 100644
--- a/drivers/gpu/drm/v3d/v3d_sched.c
+++ b/drivers/gpu/drm/v3d/v3d_sched.c
@@ -47,41 +47,41 @@ to_tfu_job(struct drm_sched_job *sched_job)
{
return container_of(sched_job, struct v3d_tfu_job, base.base);
}
static struct v3d_csd_job *
to_csd_job(struct drm_sched_job *sched_job)
{
return container_of(sched_job, struct v3d_csd_job, base.base);
}
static void
v3d_job_free(struct drm_sched_job *sched_job)
{
struct v3d_job *job = to_v3d_job(sched_job);
drm_sched_job_cleanup(sched_job);
v3d_job_put(job);
}
/**
- * Returns the fences that the job depends on, one by one.
+ * v3d_job_dependency - Returns the fences that the job depends on, one by one.
*
* If placed in the scheduler's .dependency method, the corresponding
* .run_job won't be called until all of them have been signaled.
*/
static struct dma_fence *
v3d_job_dependency(struct drm_sched_job *sched_job,
struct drm_sched_entity *s_entity)
{
struct v3d_job *job = to_v3d_job(sched_job);
/* XXX: Wait on a fence for switching the GMP if necessary,
* and then do so.
*/
if (!xa_empty(&job->deps))
return xa_erase(&job->deps, job->last_dep++);
return NULL;
}
diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
index a21a6c53ffcf..469d1b4f2643 100644
--- a/drivers/gpu/drm/vc4/vc4_bo.c
+++ b/drivers/gpu/drm/vc4/vc4_bo.c
@@ -374,41 +374,41 @@ static struct vc4_bo *vc4_bo_get_from_cache(struct drm_device *dev,
vc4_bo_set_label(&bo->base.base, type);
mutex_unlock(&vc4->bo_lock);
return bo;
}
static const struct vm_operations_struct vc4_vm_ops = {
.fault = vc4_fault,
.open = drm_gem_vm_open,
.close = drm_gem_vm_close,
};
static const struct drm_gem_object_funcs vc4_gem_object_funcs = {
.free = vc4_free_object,
.export = vc4_prime_export,
.get_sg_table = drm_gem_cma_prime_get_sg_table,
.vmap = vc4_prime_vmap,
.vm_ops = &vc4_vm_ops,
};
/**
- * vc4_gem_create_object - Implementation of driver->gem_create_object.
+ * vc4_create_object - Implementation of driver->gem_create_object.
* @dev: DRM device
* @size: Size in bytes of the memory the object will reference
*
* This lets the CMA helpers allocate object structs for us, and keep
* our BO stats correct.
*/
struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_bo *bo;
bo = kzalloc(sizeof(*bo), GFP_KERNEL);
if (!bo)
return ERR_PTR(-ENOMEM);
bo->madv = VC4_MADV_WILLNEED;
refcount_set(&bo->usecnt, 0);
mutex_init(&bo->madv_lock);
mutex_lock(&vc4->bo_lock);
bo->label = VC4_BO_TYPE_KERNEL;
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 85df04c8e62f..5f47720440fa 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -150,54 +150,54 @@ int drm_atomic_helper_page_flip_target(
int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
u16 *red, u16 *green, u16 *blue,
uint32_t size,
struct drm_modeset_acquire_ctx *ctx);
/**
* drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC
* @plane: the loop cursor
* @crtc: the CRTC whose planes are iterated
*
* This iterates over the current state, useful (for example) when applying
* atomic state after it has been checked and swapped. To iterate over the
* planes which *will* be attached (more useful in code called from
* &drm_mode_config_funcs.atomic_check) see
* drm_atomic_crtc_state_for_each_plane().
*/
#define drm_atomic_crtc_for_each_plane(plane, crtc) \
drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask)
/**
- * drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state
+ * drm_atomic_crtc_state_for_each_plane - iterate over attached planes in new state
* @plane: the loop cursor
* @crtc_state: the incoming CRTC state
*
* Similar to drm_crtc_for_each_plane(), but iterates the planes that will be
* attached if the specified state is applied. Useful during for example
* in code called from &drm_mode_config_funcs.atomic_check operations, to
* validate the incoming state.
*/
#define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \
drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask)
/**
- * drm_crtc_atomic_state_for_each_plane_state - iterate over attached planes in new state
+ * drm_atomic_crtc_state_for_each_plane_state - iterate over attached planes in new state
* @plane: the loop cursor
* @plane_state: loop cursor for the plane's state, must be const
* @crtc_state: the incoming CRTC state
*
* Similar to drm_crtc_for_each_plane(), but iterates the planes that will be
* attached if the specified state is applied. Useful during for example
* in code called from &drm_mode_config_funcs.atomic_check operations, to
* validate the incoming state.
*
* Compared to just drm_atomic_crtc_state_for_each_plane() this also fills in a
* const plane_state. This is useful when a driver just wants to peek at other
* active planes on this CRTC, but does not need to change it.
*/
#define drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) \
drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) \
for_each_if ((plane_state = \
__drm_atomic_get_current_plane_state((crtc_state)->state, \
plane)))
/**
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 928136556174..fcdc58d8b88b 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -67,41 +67,41 @@ enum drm_connector_status {
* sink device which can be autodetect. For digital outputs like DP or
* HDMI (which can be realiable probed) this means there's really
* nothing there. It is driver-dependent whether a connector with this
* status can be lit up or not.
*/
connector_status_disconnected = 2,
/**
* @connector_status_unknown: The connector's status could not be
* reliably detected. This happens when probing would either cause
* flicker (like load-detection when the connector is in use), or when a
* hardware resource isn't available (like when load-detection needs a
* free CRTC). It should be possible to light up the connector with one
* of the listed fallback modes. For default configuration userspace
* should only try to light up connectors with unknown status when
* there's not connector with @connector_status_connected.
*/
connector_status_unknown = 3,
};
/**
- * enum drm_connector_registration_status - userspace registration status for
+ * enum drm_connector_registration_state - userspace registration status for
* a &drm_connector
*
* This enum is used to track the status of initializing a connector and
* registering it with userspace, so that DRM can prevent bogus modesets on
* connectors that no longer exist.
*/
enum drm_connector_registration_state {
/**
* @DRM_CONNECTOR_INITIALIZING: The connector has just been created,
* but has yet to be exposed to userspace. There should be no
* additional restrictions to how the state of this connector may be
* modified.
*/
DRM_CONNECTOR_INITIALIZING = 0,
/**
* @DRM_CONNECTOR_REGISTERED: The connector has been fully initialized
* and registered with sysfs, as such it has been exposed to
* userspace. There should be no additional restrictions to how the
* state of this connector may be modified.
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index 2c361964aee7..283a93ce4617 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -10,41 +10,41 @@
#include <drm/drm_mode_config.h>
struct drm_driver;
struct drm_minor;
struct drm_master;
struct drm_device_dma;
struct drm_vblank_crtc;
struct drm_sg_mem;
struct drm_local_map;
struct drm_vma_offset_manager;
struct drm_vram_mm;
struct drm_fb_helper;
struct inode;
struct pci_dev;
struct pci_controller;
/**
- * enum drm_switch_power - power state of drm device
+ * enum switch_power_state - power state of drm device
*/
enum switch_power_state {
/** @DRM_SWITCH_POWER_ON: Power state is ON */
DRM_SWITCH_POWER_ON = 0,
/** @DRM_SWITCH_POWER_OFF: Power state is OFF */
DRM_SWITCH_POWER_OFF = 1,
/** @DRM_SWITCH_POWER_CHANGING: Power state is changing */
DRM_SWITCH_POWER_CHANGING = 2,
/** @DRM_SWITCH_POWER_DYNAMIC_OFF: Suspended */
DRM_SWITCH_POWER_DYNAMIC_OFF = 3,
};
/**
* struct drm_device - DRM device structure
*
* This structure represent a complete card that
diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h
index 732f32740c86..53c51231b31c 100644
--- a/include/drm/drm_dsc.h
+++ b/include/drm/drm_dsc.h
@@ -256,41 +256,42 @@ struct drm_dsc_config {
bool native_420;
/**
* @second_line_bpg_offset:
* Additional bits/grp for seconnd line of slice for native 4:2:0
*/
u8 second_line_bpg_offset;
/**
* @nsl_bpg_offset:
* Num of bits deallocated for each grp that is not in second line of
* slice
*/
u16 nsl_bpg_offset;
/**
* @second_line_offset_adj:
* Offset adjustment for second line in Native 4:2:0 mode
*/
u16 second_line_offset_adj;
};
/**
- * struct picture_parameter_set - Represents 128 bytes of Picture Parameter Set
+ * struct drm_dsc_picture_parameter_set - Represents 128 bytes of
+ * Picture Parameter Set
*
* The VESA DSC standard defines picture parameter set (PPS) which display
* stream compression encoders must communicate to decoders.
* The PPS is encapsulated in 128 bytes (PPS 0 through PPS 127). The fields in
* this structure are as per Table 4.1 in Vesa DSC specification v1.1/v1.2.
* The PPS fields that span over more than a byte should be stored in Big Endian
* format.
*/
struct drm_dsc_picture_parameter_set {
/**
* @dsc_version:
* PPS0[3:0] - dsc_version_minor: Contains Minor version of DSC
* PPS0[7:4] - dsc_version_major: Contains major version of DSC
*/
u8 dsc_version;
/**
* @pps_identifier:
* PPS1[7:0] - Application specific identifier that can be
* used to differentiate between different PPS tables.
*/
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index c0d28ba0f5c9..a4bac02249c2 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -49,54 +49,54 @@ struct vm_area_struct;
* drm_gem_vram_vmap() and drm_gem_vram_vunmap().
*/
struct drm_gem_vram_object {
struct ttm_buffer_object bo;
struct dma_buf_map map;
/**
* @vmap_use_count:
*
* Reference count on the virtual address.
* The address are un-mapped when the count reaches zero.
*/
unsigned int vmap_use_count;
/* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */
struct ttm_placement placement;
struct ttm_place placements[2];
};
/**
- * Returns the container of type &struct drm_gem_vram_object
- * for field bo.
+ * drm_gem_vram_of_bo - Returns the container of type
+ * &struct drm_gem_vram_object for field bo.
* @bo: the VRAM buffer object
* Returns: The containing GEM VRAM object
*/
static inline struct drm_gem_vram_object *drm_gem_vram_of_bo(
struct ttm_buffer_object *bo)
{
return container_of(bo, struct drm_gem_vram_object, bo);
}
/**
- * Returns the container of type &struct drm_gem_vram_object
- * for field gem.
+ * drm_gem_vram_of_gem - Returns the container of type
+ * &struct drm_gem_vram_object for field gem.
* @gem: the GEM object
* Returns: The containing GEM VRAM object
*/
static inline struct drm_gem_vram_object *drm_gem_vram_of_gem(
struct drm_gem_object *gem)
{
return container_of(gem, struct drm_gem_vram_object, bo.base);
}
struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
size_t size,
unsigned long pg_align);
void drm_gem_vram_put(struct drm_gem_vram_object *gbo);
u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo);
s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo);
int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag);
int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo);
int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
--
2.28.0
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