[PATCH 07/11] drm/amd/display: Improve spelling, grammar, and formatting of amdgpu_dm.c comments
sunpeng.li at amd.com
sunpeng.li at amd.com
Wed Aug 22 20:06:38 UTC 2018
From: David Francis <David.Francis at amd.com>
[Why]
Good spelling and grammar makes comments
more pleasant and clearer.
Linux has coding standards for comments
that we should try to follow.
[How]
Fix obvious spelling and grammar issues
Ensure all comments use '/*' and '*/' and multi-line comments
follow linux convention
Remove line-of-stars comments that do not separate sections
of code and comments referring to lines of code that have
since been removed
Signed-off-by: David Francis <David.Francis at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Acked-by: Leo Li <sunpeng.li at amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 189 +++++++++++++---------
1 file changed, 109 insertions(+), 80 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 739a797..66add25 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -75,7 +75,8 @@
static int amdgpu_dm_init(struct amdgpu_device *adev);
static void amdgpu_dm_fini(struct amdgpu_device *adev);
-/* initializes drm_device display related structures, based on the information
+/*
+ * initializes drm_device display related structures, based on the information
* provided by DAL. The drm strcutures are: drm_crtc, drm_connector,
* drm_encoder, drm_mode_config
*
@@ -237,10 +238,6 @@ get_crtc_by_otg_inst(struct amdgpu_device *adev,
struct drm_crtc *crtc;
struct amdgpu_crtc *amdgpu_crtc;
- /*
- * following if is check inherited from both functions where this one is
- * used now. Need to be checked why it could happen.
- */
if (otg_inst == -1) {
WARN_ON(1);
return adev->mode_info.crtcs[0];
@@ -266,7 +263,7 @@ static void dm_pflip_high_irq(void *interrupt_params)
amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP);
/* IRQ could occur when in initial stage */
- /*TODO work and BO cleanup */
+ /* TODO work and BO cleanup */
if (amdgpu_crtc == NULL) {
DRM_DEBUG_DRIVER("CRTC is null, returning.\n");
return;
@@ -285,9 +282,9 @@ static void dm_pflip_high_irq(void *interrupt_params)
}
- /* wakeup usersapce */
+ /* wake up userspace */
if (amdgpu_crtc->event) {
- /* Update to correct count/ts if racing with vblank irq */
+ /* Update to correct count(s) if racing with vblank irq */
drm_crtc_accurate_vblank_count(&amdgpu_crtc->base);
drm_crtc_send_vblank_event(&amdgpu_crtc->base, amdgpu_crtc->event);
@@ -385,8 +382,8 @@ static void amdgpu_dm_fbc_init(struct drm_connector *connector)
}
-
-/* Init display KMS
+/*
+ * Init display KMS
*
* Returns 0 on success
*/
@@ -695,7 +692,7 @@ static int dm_resume(void *handle)
mutex_unlock(&aconnector->hpd_lock);
}
- /* Force mode set in atomic comit */
+ /* Force mode set in atomic commit */
for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i)
new_crtc_state->active_changed = true;
@@ -826,24 +823,27 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
sink = aconnector->dc_link->local_sink;
- /* Edid mgmt connector gets first update only in mode_valid hook and then
+ /*
+ * Edid mgmt connector gets first update only in mode_valid hook and then
* the connector sink is set to either fake or physical sink depends on link status.
- * don't do it here if u are during boot
+ * Skip if already done during boot.
*/
if (aconnector->base.force != DRM_FORCE_UNSPECIFIED
&& aconnector->dc_em_sink) {
- /* For S3 resume with headless use eml_sink to fake stream
- * because on resume connecotr->sink is set ti NULL
+ /*
+ * For S3 resume with headless use eml_sink to fake stream
+ * because on resume connector->sink is set to NULL
*/
mutex_lock(&dev->mode_config.mutex);
if (sink) {
if (aconnector->dc_sink) {
amdgpu_dm_update_freesync_caps(connector, NULL);
- /* retain and release bellow are used for
- * bump up refcount for sink because the link don't point
- * to it anymore after disconnect so on next crtc to connector
+ /*
+ * retain and release below are used to
+ * bump up refcount for sink because the link doesn't point
+ * to it anymore after disconnect, so on next crtc to connector
* reshuffle by UMD we will get into unwanted dc_sink release
*/
if (aconnector->dc_sink != aconnector->dc_em_sink)
@@ -872,8 +872,10 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
return;
if (aconnector->dc_sink == sink) {
- /* We got a DP short pulse (Link Loss, DP CTS, etc...).
- * Do nothing!! */
+ /*
+ * We got a DP short pulse (Link Loss, DP CTS, etc...).
+ * Do nothing!!
+ */
DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n",
aconnector->connector_id);
return;
@@ -884,11 +886,15 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
mutex_lock(&dev->mode_config.mutex);
- /* 1. Update status of the drm connector
- * 2. Send an event and let userspace tell us what to do */
+ /*
+ * 1. Update status of the drm connector
+ * 2. Send an event and let userspace tell us what to do
+ */
if (sink) {
- /* TODO: check if we still need the S3 mode update workaround.
- * If yes, put it here. */
+ /*
+ * TODO: check if we still need the S3 mode update workaround.
+ * If yes, put it here.
+ */
if (aconnector->dc_sink)
amdgpu_dm_update_freesync_caps(connector, NULL);
@@ -922,8 +928,9 @@ static void handle_hpd_irq(void *param)
struct drm_connector *connector = &aconnector->base;
struct drm_device *dev = connector->dev;
- /* In case of failure or MST no need to update connector status or notify the OS
- * since (for MST case) MST does this in it's own context.
+ /*
+ * In case of failure or MST no need to update connector status or notify the OS
+ * since (for MST case) MST does this in its own context.
*/
mutex_lock(&aconnector->hpd_lock);
@@ -1006,7 +1013,7 @@ static void dm_handle_hpd_rx_irq(struct amdgpu_dm_connector *aconnector)
break;
}
- /* check if there is new irq to be handle */
+ /* check if there is new irq to be handled */
dret = drm_dp_dpcd_read(
&aconnector->dm_dp_aux.aux,
dpcd_addr,
@@ -1031,7 +1038,8 @@ static void handle_hpd_rx_irq(void *param)
struct dc_link *dc_link = aconnector->dc_link;
bool is_mst_root_connector = aconnector->mst_mgr.mst_state;
- /* TODO:Temporary add mutex to protect hpd interrupt not have a gpio
+ /*
+ * TODO:Temporary add mutex to protect hpd interrupt not have a gpio
* conflict, after implement i2c helper, this mutex should be
* retired.
*/
@@ -1122,7 +1130,8 @@ static int dce110_register_irq_handlers(struct amdgpu_device *adev)
int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
- /* Actions of amdgpu_irq_add_id():
+ /*
+ * Actions of amdgpu_irq_add_id():
* 1. Register a set() function with base driver.
* Base driver will call set() function to enable/disable an
* interrupt in DC hardware.
@@ -1202,7 +1211,8 @@ static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
- /* Actions of amdgpu_irq_add_id():
+ /*
+ * Actions of amdgpu_irq_add_id():
* 1. Register a set() function with base driver.
* Base driver will call set() function to enable/disable an
* interrupt in DC hardware.
@@ -1211,7 +1221,7 @@ static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
* coming from DC hardware.
* amdgpu_dm_irq_handler() will re-direct the interrupt to DC
* for acknowledging and handling.
- * */
+ */
/* Use VSTARTUP interrupt */
for (i = DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP;
@@ -1289,7 +1299,7 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
adev->ddev->mode_config.preferred_depth = 24;
adev->ddev->mode_config.prefer_shadow = 1;
- /* indicate support of immediate flip */
+ /* indicates support for immediate flip */
adev->ddev->mode_config.async_page_flip = true;
adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
@@ -1375,7 +1385,7 @@ static int initialize_plane(struct amdgpu_display_manager *dm,
plane->base.type = mode_info->plane_type[plane_id];
/*
- * HACK: IGT tests expect that each plane can only have one
+ * HACK: IGT tests expect that each plane can only have
* one possible CRTC. For now, set one CRTC for each
* plane that is not an underlay, but still allow multiple
* CRTCs for underlay planes.
@@ -1403,7 +1413,8 @@ static void register_backlight_device(struct amdgpu_display_manager *dm,
if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
link->type != dc_connection_none) {
- /* Event if registration failed, we should continue with
+ /*
+ * Event if registration failed, we should continue with
* DM initialization because not having a backlight control
* is better then a black screen.
*/
@@ -1416,7 +1427,8 @@ static void register_backlight_device(struct amdgpu_display_manager *dm,
}
-/* In this architecture, the association
+/*
+ * In this architecture, the association
* connector -> encoder -> crtc
* id not really requried. The crtc and connector will hold the
* display_index as an abstraction to use with DAL component
@@ -1564,7 +1576,7 @@ static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)
* amdgpu_display_funcs functions
*****************************************************************************/
-/**
+/*
* dm_bandwidth_update - program display watermarks
*
* @adev: amdgpu_device pointer
@@ -1777,9 +1789,11 @@ static int dm_early_init(void *handle)
if (adev->mode_info.funcs == NULL)
adev->mode_info.funcs = &dm_display_funcs;
- /* Note: Do NOT change adev->audio_endpt_rreg and
+ /*
+ * Note: Do NOT change adev->audio_endpt_rreg and
* adev->audio_endpt_wreg because they are initialised in
- * amdgpu_device_init() */
+ * amdgpu_device_init()
+ */
#if defined(CONFIG_DEBUG_KERNEL_DC)
device_create_file(
adev->ddev->dev,
@@ -1825,7 +1839,7 @@ static bool fill_rects_from_plane_state(const struct drm_plane_state *state,
{
plane_state->src_rect.x = state->src_x >> 16;
plane_state->src_rect.y = state->src_y >> 16;
- /*we ignore for now mantissa and do not to deal with floating pixels :(*/
+ /* we ignore the mantissa for now and do not deal with floating pixels :( */
plane_state->src_rect.width = state->src_w >> 16;
if (plane_state->src_rect.width == 0)
@@ -1877,7 +1891,7 @@ static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
int r = amdgpu_bo_reserve(rbo, false);
if (unlikely(r)) {
- // Don't show error msg. when return -ERESTARTSYS
+ /* Don't show error message when returning -ERESTARTSYS */
if (r != -ERESTARTSYS)
DRM_ERROR("Unable to reserve buffer: %d\n", r);
return r;
@@ -2073,8 +2087,6 @@ static int fill_plane_attributes(struct amdgpu_device *adev,
return ret;
}
-/*****************************************************************************/
-
static void update_stream_scaling_settings(const struct drm_display_mode *mode,
const struct dm_connector_state *dm_state,
struct dc_stream_state *stream)
@@ -2137,7 +2149,8 @@ convert_color_depth_from_display_info(const struct drm_connector *connector)
switch (bpc) {
case 0:
- /* Temporary Work around, DRM don't parse color depth for
+ /*
+ * Temporary Work around, DRM doesn't parse color depth for
* EDID revision before 1.4
* TODO: Fix edid parsing
*/
@@ -2249,7 +2262,6 @@ static void adjust_colour_depth_from_display_info(struct dc_crtc_timing *timing_
} while (timing_out->display_color_depth > COLOR_DEPTH_888);
}
-/*****************************************************************************/
static void
fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
@@ -2449,9 +2461,10 @@ static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context)
for (i = 0; i < context->stream_count ; i++) {
if (!context->streams[i])
continue;
- /* TODO: add a function to read AMD VSDB bits and will set
+ /*
+ * TODO: add a function to read AMD VSDB bits and set
* crtc_sync_master.multi_sync_enabled flag
- * For now its set to false
+ * For now it's set to false
*/
set_multisync_trigger_params(context->streams[i]);
}
@@ -2514,7 +2527,8 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
head);
if (preferred_mode == NULL) {
- /* This may not be an error, the use case is when we we have no
+ /*
+ * This may not be an error, the use case is when we have no
* usermode calls to reset and set mode upon hotplug. In this
* case, we call set mode ourselves to restore the previous mode
* and the modelist may not be filled in in time.
@@ -2658,10 +2672,12 @@ amdgpu_dm_connector_detect(struct drm_connector *connector, bool force)
bool connected;
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
- /* Notes:
+ /*
+ * Notes:
* 1. This interface is NOT called in context of HPD irq.
* 2. This interface *is called* in context of user-mode ioctl. Which
- * makes it a bad place for *any* MST-related activit. */
+ * makes it a bad place for *any* MST-related activity.
+ */
if (aconnector->base.force == DRM_FORCE_UNSPECIFIED &&
!aconnector->fake_enable)
@@ -2917,7 +2933,8 @@ static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector)
{
struct dc_link *link = (struct dc_link *)aconnector->dc_link;
- /* In case of headless boot with force on for DP managed connector
+ /*
+ * In case of headless boot with force on for DP managed connector
* Those settings have to be != 0 to get initial modeset
*/
if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) {
@@ -2945,7 +2962,8 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec
(mode->flags & DRM_MODE_FLAG_DBLSCAN))
return result;
- /* Only run this the first time mode_valid is called to initilialize
+ /*
+ * Only run this the first time mode_valid is called to initilialize
* EDID mgmt
*/
if (aconnector->base.force != DRM_FORCE_UNSPECIFIED &&
@@ -2986,9 +3004,9 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec
static const struct drm_connector_helper_funcs
amdgpu_dm_connector_helper_funcs = {
/*
- * If hotplug a second bigger display in FB Con mode, bigger resolution
+ * If hotplugging a second bigger display in FB Con mode, bigger resolution
* modes will be filtered by drm_mode_validate_size(), and those modes
- * is missing after user start lightdm. So we need to renew modes list.
+ * are missing after user start lightdm. So we need to renew modes list.
* in get_modes call back, not just return the modes count
*/
.get_modes = get_modes,
@@ -3014,7 +3032,7 @@ static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc,
return ret;
}
- /* In some use cases, like reset, no stream is attached */
+ /* In some use cases, like reset, no stream is attached */
if (!dm_crtc_state->stream)
return 0;
@@ -3063,7 +3081,7 @@ static void dm_drm_plane_reset(struct drm_plane *plane)
amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL);
WARN_ON(amdgpu_state == NULL);
-
+
if (amdgpu_state) {
plane->state = &amdgpu_state->base;
plane->state->plane = plane;
@@ -3241,7 +3259,7 @@ static const struct drm_plane_helper_funcs dm_plane_helper_funcs = {
* TODO: these are currently initialized to rgb formats only.
* For future use cases we should either initialize them dynamically based on
* plane capabilities, or initialize this array to all formats, so internal drm
- * check will succeed, and let DC to implement proper check
+ * check will succeed, and let DC implement proper check
*/
static const uint32_t rgb_formats[] = {
DRM_FORMAT_RGB888,
@@ -3565,7 +3583,8 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */
mutex_init(&aconnector->hpd_lock);
- /* configure support HPD hot plug connector_>polled default value is 0
+ /*
+ * configure support HPD hot plug connector_>polled default value is 0
* which means HPD hot plug not supported
*/
switch (connector_type) {
@@ -3678,7 +3697,8 @@ create_i2c(struct ddc_service *ddc_service,
}
-/* Note: this function assumes that dc_link_detect() was called for the
+/*
+ * Note: this function assumes that dc_link_detect() was called for the
* dc_link which will be represented by this aconnector.
*/
static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
@@ -4010,7 +4030,8 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) +
amdgpu_get_vblank_counter_kms(crtc->dev, acrtc->crtc_id);
- /* TODO This might fail and hence better not used, wait
+ /*
+ * TODO This might fail and hence better not used, wait
* explicitly on fences instead
* and in general should be called for
* blocking commit to as per framework helpers
@@ -4027,7 +4048,8 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
amdgpu_bo_unreserve(abo);
- /* Wait until we're out of the vertical blank period before the one
+ /*
+ * Wait until we're out of the vertical blank period before the one
* targeted by the flip
*/
while ((acrtc->enabled &&
@@ -4279,7 +4301,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
}
}
-/**
+/*
* amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC
* @crtc_state: the DRM CRTC state
* @stream_state: the DC stream state.
@@ -4316,8 +4338,10 @@ static int amdgpu_dm_atomic_commit(struct drm_device *dev,
if (drm_atomic_crtc_needs_modeset(new_crtc_state) && dm_old_crtc_state->stream)
manage_dm_interrupts(adev, acrtc, false);
}
- /* Add check here for SoC's that support hardware cursor plane, to
- * unset legacy_cursor_update */
+ /*
+ * Add check here for SoC's that support hardware cursor plane, to
+ * unset legacy_cursor_update
+ */
return drm_atomic_helper_commit(dev, state, nonblock);
@@ -4382,8 +4406,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
* this could happen because of issues with
* userspace notifications delivery.
* In this case userspace tries to set mode on
- * display which is disconnect in fact.
- * dc_sink in NULL in this case on aconnector.
+ * display which is disconnected in fact.
+ * dc_sink is NULL in this case on aconnector.
* We expect reset mode will come soon.
*
* This can also happen when unplug is done
@@ -4452,7 +4476,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state))
continue;
- /* Skip any thing not scale or underscan changes */
+ /* Skip anything that is not scaling or underscan changes */
if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state))
continue;
@@ -4537,7 +4561,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
drm_atomic_helper_cleanup_planes(dev, state);
- /* Finally, drop a runtime PM reference for each newly disabled CRTC,
+ /*
+ * Finally, drop a runtime PM reference for each newly disabled CRTC,
* so we can put the GPU into runtime suspend if we're not driving any
* displays anymore
*/
@@ -4605,9 +4630,9 @@ static int dm_force_atomic_commit(struct drm_connector *connector)
}
/*
- * This functions handle all cases when set mode does not come upon hotplug.
- * This include when the same display is unplugged then plugged back into the
- * same port and when we are running without usermode desktop manager supprot
+ * This function handles all cases when set mode does not come upon hotplug.
+ * This includes when a display is unplugged then plugged back into the
+ * same port and when running without usermode desktop manager supprot
*/
void dm_restore_drm_connector_state(struct drm_device *dev,
struct drm_connector *connector)
@@ -4636,7 +4661,7 @@ void dm_restore_drm_connector_state(struct drm_device *dev,
dm_force_atomic_commit(&aconnector->base);
}
-/*`
+/*
* Grabs all modesetting locks to serialize against any blocking commits,
* Waits for completion of all non blocking commits.
*/
@@ -4647,7 +4672,8 @@ static int do_aquire_global_lock(struct drm_device *dev,
struct drm_crtc_commit *commit;
long ret;
- /* Adding all modeset locks to aquire_ctx will
+ /*
+ * Adding all modeset locks to aquire_ctx will
* ensure that when the framework release it the
* extra locks we are locking here will get released to
*/
@@ -4666,7 +4692,8 @@ static int do_aquire_global_lock(struct drm_device *dev,
if (!commit)
continue;
- /* Make sure all pending HW programming completed and
+ /*
+ * Make sure all pending HW programming completed and
* page flips done
*/
ret = wait_for_completion_interruptible_timeout(&commit->hw_done, 10*HZ);
@@ -4734,8 +4761,10 @@ static int dm_update_crtcs_state(struct amdgpu_display_manager *dm,
struct dc_stream_state *new_stream;
int ret = 0;
- /*TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set */
- /* update changed items */
+ /*
+ * TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set
+ * update changed items
+ */
for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
struct amdgpu_crtc *acrtc = NULL;
struct amdgpu_dm_connector *aconnector = NULL;
@@ -4760,7 +4789,7 @@ static int dm_update_crtcs_state(struct amdgpu_display_manager *dm,
/* TODO This hack should go away */
if (aconnector && enable) {
- // Make sure fake sink is created in plug-in scenario
+ /* Make sure fake sink is created in plug-in scenario */
drm_new_conn_state = drm_atomic_get_new_connector_state(state,
&aconnector->base);
drm_old_conn_state = drm_atomic_get_old_connector_state(state,
@@ -4780,9 +4809,9 @@ static int dm_update_crtcs_state(struct amdgpu_display_manager *dm,
/*
* we can have no stream on ACTION_SET if a display
- * was disconnected during S3, in this case it not and
+ * was disconnected during S3, in this case it is not an
* error, the OS will be updated after detection, and
- * do the right thing on next atomic commit
+ * will do the right thing on next atomic commit
*/
if (!new_stream) {
@@ -5140,7 +5169,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
goto fail;
/* Check scaling and underscan changes*/
- /*TODO Removed scaling changes validation due to inability to commit
+ /* TODO Removed scaling changes validation due to inability to commit
* new stream into context w\o causing full reset. Need to
* decide how to handle.
*/
@@ -5163,7 +5192,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
/*
* For full updates case when
- * removing/adding/updating streams on once CRTC while flipping
+ * removing/adding/updating streams on one CRTC while flipping
* on another CRTC,
* acquiring global lock will guarantee that any such full
* update commit
--
2.7.4
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