[PATCH 3/3] drm/amd/display: Reduce DC chattiness
Harry Wentland
harry.wentland at amd.com
Fri Sep 15 14:32:26 UTC 2017
Log DC init but default log level to 0 (default for
amdgpu_dc_log) otherwise. Bug reporters can still make
DC more chatty like so
amdgpu.dc_log = 1
Change-Id: Icdfb849fa678225e2460519fbd8066540feb451a
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
---
drivers/gpu/drm/amd/display/Kconfig | 10 +++
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 77 ++++++++++++----------
drivers/gpu/drm/amd/display/include/logger_types.h | 3 +
3 files changed, 56 insertions(+), 34 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
index 1d1a5f807030..baab055dd362 100644
--- a/drivers/gpu/drm/amd/display/Kconfig
+++ b/drivers/gpu/drm/amd/display/Kconfig
@@ -31,4 +31,14 @@ config DEBUG_KERNEL_DC
if you want to hit
kdgb_break in assert.
+config DRM_AMD_DC_CHATTY
+ bool "Make DC chatty again"
+ default n
+ depends on DRM_AMD_DC
+ help
+ Sometimes it's useful to have a chatty DC
+ without a ton of spam from DRM. This allows
+ for that and is recommended for anyone
+ reporting bugs to DC.
+
endmenu
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 abe89e3fed5b..6ecb420b2a63 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -333,7 +333,6 @@ int amdgpu_dm_init(struct amdgpu_device *adev)
adev->dm.ddev = adev->ddev;
adev->dm.adev = adev;
- DRM_INFO("DAL is enabled\n");
/* Zero all the fields */
memset(&init_data, 0, sizeof(init_data));
@@ -373,7 +372,15 @@ int amdgpu_dm_init(struct amdgpu_device *adev)
init_data.dce_environment = DCE_ENV_PRODUCTION_DRV;
+#ifdef CONFIG_DRM_AMD_DC_CHATTY
+ /* always be chatty */
init_data.log_mask = DC_DEFAULT_LOG_MASK;
+#else
+ if (amdgpu_dc_log)
+ init_data.log_mask = DC_DEFAULT_LOG_MASK;
+ else
+ init_data.log_mask = DC_MIN_LOG_MASK;
+#endif
#ifdef ENABLE_FBC
if (adev->family == FAMILY_CZ)
@@ -383,7 +390,9 @@ int amdgpu_dm_init(struct amdgpu_device *adev)
/* Display Core create. */
adev->dm.dc = dc_create(&init_data);
- if (!adev->dm.dc)
+ if (adev->dm.dc)
+ DRM_INFO("Display Core initialized!\n");
+ else
DRM_INFO("Display Core failed to initialize!\n");
INIT_WORK(&adev->dm.mst_hotplug_work, hotplug_notify_work_func);
@@ -393,7 +402,7 @@ int amdgpu_dm_init(struct amdgpu_device *adev)
DRM_ERROR(
"amdgpu: failed to initialize freesync_module.\n");
} else
- DRM_INFO("amdgpu: freesync_module init done %p.\n",
+ DRM_DEBUG_DRIVER("amdgpu: freesync_module init done %p.\n",
adev->dm.freesync_module);
if (amdgpu_dm_initialize_drm_device(adev)) {
@@ -417,7 +426,7 @@ int amdgpu_dm_init(struct amdgpu_device *adev)
goto error;
}
- DRM_INFO("KMS initialized.\n");
+ DRM_DEBUG_DRIVER("KMS initialized.\n");
return 0;
error:
@@ -475,7 +484,7 @@ static int detect_mst_link_for_all_connectors(struct drm_device *dev)
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
aconnector = to_amdgpu_dm_connector(connector);
if (aconnector->dc_link->type == dc_connection_mst_branch) {
- DRM_INFO("DM_MST: starting TM on aconnector: %p [id: %d]\n",
+ DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n",
aconnector, aconnector->base.base.id);
ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true);
@@ -819,12 +828,12 @@ void amdgpu_dm_update_connector_after_detect(
if (aconnector->dc_sink == sink) {
/* We got a DP short pulse (Link Loss, DP CTS, etc...).
* Do nothing!! */
- DRM_INFO("DCHPD: connector_id=%d: dc_sink didn't change.\n",
+ DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n",
aconnector->connector_id);
return;
}
- DRM_INFO("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n",
+ DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n",
aconnector->connector_id, aconnector->dc_sink, sink);
mutex_lock(&dev->mode_config.mutex);
@@ -926,7 +935,7 @@ static void dm_handle_hpd_rx_irq(struct amdgpu_dm_connector *aconnector)
process_count++;
- DRM_DEBUG_KMS("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]);
+ DRM_DEBUG_DRIVER("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]);
/* handle HPD short pulse irq */
if (aconnector->mst_mgr.mst_state)
drm_dp_mst_hpd_irq(
@@ -964,7 +973,7 @@ static void dm_handle_hpd_rx_irq(struct amdgpu_dm_connector *aconnector)
}
if (process_count == max_process_count)
- DRM_DEBUG_KMS("Loop exceeded max iterations\n");
+ DRM_DEBUG_DRIVER("Loop exceeded max iterations\n");
}
static void handle_hpd_rx_irq(void *param)
@@ -1283,7 +1292,7 @@ void amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
if (NULL == dm->backlight_dev)
DRM_ERROR("DM: Backlight registration failed!\n");
else
- DRM_INFO("DM: Registered Backlight device: %s\n", bl_name);
+ DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name);
}
#endif
@@ -2064,7 +2073,7 @@ static void update_stream_scaling_settings(
stream->src = src;
stream->dst = dst;
- DRM_DEBUG_KMS("Destination Rectangle x:%d y:%d width:%d height:%d\n",
+ DRM_DEBUG_DRIVER("Destination Rectangle x:%d y:%d width:%d height:%d\n",
dst.x, dst.y, dst.width, dst.height);
}
@@ -2374,7 +2383,7 @@ static struct dc_stream_state *create_stream_for_sink(
* case, we call set mode ourselves to restore the previous mode
* and the modelist may not be filled in in time.
*/
- DRM_INFO("No preferred mode found\n");
+ DRM_DEBUG_DRIVER("No preferred mode found\n");
} else {
decide_crtc_timing_for_drm_display_mode(
&mode, preferred_mode,
@@ -2749,7 +2758,7 @@ static struct drm_encoder *best_encoder(struct drm_connector *connector)
struct drm_mode_object *obj;
struct drm_encoder *encoder;
- DRM_DEBUG_KMS("Finding the best encoder\n");
+ DRM_DEBUG_DRIVER("Finding the best encoder\n");
/* pick the encoder ids */
if (enc_id) {
@@ -3019,7 +3028,7 @@ static int dm_plane_helper_prepare_fb(
dm_plane_state_new = to_dm_plane_state(new_state);
if (!new_state->fb) {
- DRM_DEBUG_KMS("No FB bound\n");
+ DRM_DEBUG_DRIVER("No FB bound\n");
return 0;
}
@@ -3594,7 +3603,7 @@ int amdgpu_dm_connector_init(
struct amdgpu_i2c_adapter *i2c;
((struct dc_link *)link)->priv = aconnector;
- DRM_DEBUG_KMS("%s()\n", __func__);
+ DRM_DEBUG_DRIVER("%s()\n", __func__);
i2c = create_i2c(link->ddc, link->link_index, &res);
aconnector->i2c = i2c;
@@ -3835,11 +3844,11 @@ static void handle_cursor_update(
if (!plane->state->fb && !old_plane_state->fb)
return;
- DRM_DEBUG_KMS("%s: crtc_id=%d with size %d to %d\n",
- __func__,
- amdgpu_crtc->crtc_id,
- plane->state->crtc_w,
- plane->state->crtc_h);
+ DRM_DEBUG_DRIVER("%s: crtc_id=%d with size %d to %d\n",
+ __func__,
+ amdgpu_crtc->crtc_id,
+ plane->state->crtc_w,
+ plane->state->crtc_h);
ret = get_cursor_position(plane, crtc, &position);
if (ret)
@@ -4142,7 +4151,7 @@ void amdgpu_dm_atomic_commit_tail(
new_acrtc_state = to_dm_crtc_state(new_state);
old_acrtc_state = to_dm_crtc_state(old_crtc_state);
- DRM_DEBUG_KMS(
+ DRM_DEBUG_DRIVER(
"amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
"planes_changed:%d, mode_changed:%d,active_changed:%d,"
"connectors_changed:%d\n",
@@ -4160,7 +4169,7 @@ void amdgpu_dm_atomic_commit_tail(
if (modeset_required(new_state, new_acrtc_state->stream, old_acrtc_state->stream)) {
- DRM_INFO("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc);
+ DRM_DEBUG_DRIVER("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc);
if (!new_acrtc_state->stream) {
/*
@@ -4178,7 +4187,7 @@ void amdgpu_dm_atomic_commit_tail(
* have a sink to keep the pipe running so that
* hw state is consistent with the sw state
*/
- DRM_DEBUG_KMS("%s: Failed to create new stream for crtc %d\n",
+ DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
__func__, acrtc->base.base.id);
continue;
}
@@ -4205,7 +4214,7 @@ void amdgpu_dm_atomic_commit_tail(
acrtc->hw_mode = crtc->state->mode;
crtc->hwmode = crtc->state->mode;
} else if (modereset_required(new_state)) {
- DRM_INFO("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc);
+ DRM_DEBUG_DRIVER("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc);
/* i.e. reset mode */
if (old_acrtc_state->stream)
@@ -4230,7 +4239,7 @@ void amdgpu_dm_atomic_commit_tail(
&new_crtcs[i]->base,
false);
if (!aconnector) {
- DRM_INFO("Atomic commit: Failed to find connector for acrtc id:%d "
+ DRM_DEBUG_DRIVER("Atomic commit: Failed to find connector for acrtc id:%d "
"skipping freesync init\n",
new_crtcs[i]->crtc_id);
continue;
@@ -4539,7 +4548,7 @@ static int dm_update_crtcs_state(
*/
if (!new_stream) {
- DRM_DEBUG_KMS("%s: Failed to create new stream for crtc %d\n",
+ DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
__func__, acrtc->base.base.id);
break;
}
@@ -4550,7 +4559,7 @@ static int dm_update_crtcs_state(
crtc_state->mode_changed = false;
- DRM_DEBUG_KMS("Mode change not required, setting mode_changed to %d",
+ DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d",
crtc_state->mode_changed);
}
@@ -4558,7 +4567,7 @@ static int dm_update_crtcs_state(
if (!drm_atomic_crtc_needs_modeset(crtc_state))
goto next_crtc;
- DRM_DEBUG_KMS(
+ DRM_DEBUG_DRIVER(
"amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
"planes_changed:%d, mode_changed:%d,active_changed:%d,"
"connectors_changed:%d\n",
@@ -4576,7 +4585,7 @@ static int dm_update_crtcs_state(
if (!old_acrtc_state->stream)
goto next_crtc;
- DRM_DEBUG_KMS("Disabling DRM crtc: %d\n",
+ DRM_DEBUG_DRIVER("Disabling DRM crtc: %d\n",
crtc->base.id);
/* i.e. reset mode */
@@ -4606,7 +4615,7 @@ static int dm_update_crtcs_state(
new_acrtc_state->stream = new_stream;
dc_stream_retain(new_stream);
- DRM_DEBUG_KMS("Enabling DRM crtc: %d\n",
+ DRM_DEBUG_DRIVER("Enabling DRM crtc: %d\n",
crtc->base.id);
if (!dc_add_stream_to_ctx(
@@ -4681,7 +4690,7 @@ static int dm_update_planes_state(
if (!old_acrtc_state->stream)
continue;
- DRM_DEBUG_KMS("Disabling DRM plane: %d on DRM crtc %d\n",
+ DRM_DEBUG_DRIVER("Disabling DRM plane: %d on DRM crtc %d\n",
plane->base.id, old_plane_crtc->base.id);
if (!dc_remove_plane_from_context(
@@ -4719,7 +4728,7 @@ static int dm_update_planes_state(
new_dm_plane_state->dc_state = dc_create_plane_state(dc);
- DRM_DEBUG_KMS("Enabling DRM plane: %d on DRM crtc %d\n",
+ DRM_DEBUG_DRIVER("Enabling DRM plane: %d on DRM crtc %d\n",
plane->base.id, new_plane_crtc->base.id);
if (!new_dm_plane_state->dc_state) {
@@ -4874,9 +4883,9 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
fail:
if (ret == -EDEADLK)
- DRM_DEBUG_KMS("Atomic check stopped due to to deadlock.\n");
+ DRM_DEBUG_DRIVER("Atomic check stopped due to to deadlock.\n");
else if (ret == -EINTR || ret == -EAGAIN || ret == -ERESTARTSYS)
- DRM_DEBUG_KMS("Atomic check stopped due to to signal.\n");
+ DRM_DEBUG_DRIVER("Atomic check stopped due to to signal.\n");
else
DRM_ERROR("Atomic check failed with err: %d \n", ret);
diff --git a/drivers/gpu/drm/amd/display/include/logger_types.h b/drivers/gpu/drm/amd/display/include/logger_types.h
index 044805ccac25..1f22e84cedb9 100644
--- a/drivers/gpu/drm/amd/display/include/logger_types.h
+++ b/drivers/gpu/drm/amd/display/include/logger_types.h
@@ -70,6 +70,9 @@ enum dc_log_type {
LOG_SECTION_TOTAL_COUNT
};
+#define DC_MIN_LOG_MASK ((1 << LOG_ERROR) | \
+ (1 << LOG_DETECTION_EDID_PARSER))
+
#define DC_DEFAULT_LOG_MASK ((1 << LOG_ERROR) | \
(1 << LOG_WARNING) | \
(1 << LOG_EVENT_MODE_SET) | \
--
2.11.0
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