diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 35 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_stream.h | 2 |
5 files changed, 75 insertions, 4 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 765680b62d6a..27dfd285a944 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8034,6 +8034,13 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm, goto fail; } + /* + * TODO: Check VSDB bits to decide whether this should + * be enabled or not. + */ + new_stream->triggered_crtc_reset.enabled = + dm->force_timing_sync; + dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level; ret = fill_hdr_info_packet(drm_new_conn_state, @@ -9190,3 +9197,22 @@ static bool amdgpu_dm_psr_disable(struct dc_stream_state *stream) return dc_link_set_psr_allow_active(stream->link, false, true); } + +void amdgpu_dm_trigger_timing_sync(struct drm_device *dev) +{ + struct amdgpu_device *adev = dev->dev_private; + struct dc *dc = adev->dm.dc; + int i; + + mutex_lock(&adev->dm.dc_lock); + if (dc->current_state) { + for (i = 0; i < dc->current_state->stream_count; ++i) + dc->current_state->streams[i] + ->triggered_crtc_reset.enabled = + adev->dm.force_timing_sync; + + dm_enable_per_frame_crtc_master_sync(dc->current_state); + dc_trigger_sync(dc, dc->current_state); + } + mutex_unlock(&adev->dm.dc_lock); +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index a8fff3413af3..fd863331dee1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -340,6 +340,7 @@ struct amdgpu_display_manager { * fake encoders used for DP MST. */ struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC]; + bool force_timing_sync; }; struct dsc_preferred_settings { @@ -493,6 +494,8 @@ void dm_restore_drm_connector_state(struct drm_device *dev, void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, struct edid *edid); +void amdgpu_dm_trigger_timing_sync(struct drm_device *dev); + #define MAX_COLOR_LUT_ENTRIES 4096 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */ #define MAX_COLOR_LEGACY_LUT_ENTRIES 256 diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 9610e628baf0..ae6b1313403e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -2184,6 +2184,38 @@ static const struct drm_info_list amdgpu_dm_debugfs_list[] = { }; /* + * Sets the force_timing_sync debug optino from the given string. + * All connected displays will be force synchronized immediately. + * Usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_force_timing_sync + */ +static int force_timing_sync_set(void *data, u64 val) +{ + struct amdgpu_device *adev = data; + + adev->dm.force_timing_sync = (bool)val; + + amdgpu_dm_trigger_timing_sync(adev->ddev); + + return 0; +} + +/* + * Gets the force_timing_sync debug option value into the given buffer. + * Usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_force_timing_sync + */ +static int force_timing_sync_get(void *data, u64 *val) +{ + struct amdgpu_device *adev = data; + + *val = adev->dm.force_timing_sync; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(force_timing_sync_ops, force_timing_sync_get, + force_timing_sync_set, "%llu\n"); + +/* * Sets the DC visual confirm debug option from the given string. * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_visual_confirm */ @@ -2242,5 +2274,8 @@ int dtn_debugfs_init(struct amdgpu_device *adev) debugfs_create_file_unsafe("amdgpu_dm_dmub_fw_state", 0644, root, adev, &dmub_fw_state_fops); + debugfs_create_file_unsafe("amdgpu_dm_force_timing_sync", 0644, root, + adev, &force_timing_sync_ops); + return 0; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 92eb1ca1634f..5aa3b89471c3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1238,6 +1238,14 @@ bool dc_enable_stereo( return ret; } +void dc_trigger_sync(struct dc *dc, struct dc_state *context) +{ + if (context->stream_count > 1 && !dc->debug.disable_timing_sync) { + enable_timing_multisync(dc, context); + program_timing_sync(dc, context); + } +} + /* * Applies given context to HW and copy it into current context. * It's up to the user to release the src context afterwards. @@ -1297,10 +1305,7 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c if (result != DC_OK) return result; - if (context->stream_count > 1 && !dc->debug.disable_timing_sync) { - enable_timing_multisync(dc, context); - program_timing_sync(dc, context); - } + dc_trigger_sync(dc, context); /* Program all planes within new context*/ if (dc->hwss.program_front_end_for_ctx) { diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 633442bc7ef2..37743073772b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -397,6 +397,8 @@ bool dc_enable_stereo( struct dc_stream_state *streams[], uint8_t stream_count); +/* Triggers multi-stream synchronization. */ +void dc_trigger_sync(struct dc *dc, struct dc_state *context); enum surface_update_type dc_check_update_surfaces_for_stream( struct dc *dc, |