From: Eryk Brol <eryk.brol@xxxxxxx>
[why]
We want to trigger atomic check on connector, which DSC debugfs
properties have changed.
[how]
Add a helper function that iterates through all active connectors
and add them to the state if DSC debugfs parameters have changed.
Signed-off-by: Eryk Brol <eryk.brol@xxxxxxx>
Signed-off-by: Mikita Lipski <mikita.lipski@xxxxxxx>
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 41 +++++++++++++++++++
1 file changed, 41 insertions(+)
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 11afdb28eeda..ba18c7b0cc7d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -842,6 +842,45 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
return 0;
}
+static void amdgpu_check_debugfs_connector_property_change(struct amdgpu_device *adev,
+ struct drm_atomic_state *state)
+{
+ struct drm_connector *connector;
+ struct drm_crtc *crtc;
+ struct amdgpu_dm_connector *amdgpu_dm_connector;
+ struct drm_connector_state *conn_state;
+ struct dm_crtc_state *acrtc_state;
+ struct drm_crtc_state *crtc_state;
+ struct dc_stream_state *stream;
+ struct drm_device *dev = adev_to_drm(adev);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+
+ amdgpu_dm_connector = to_amdgpu_dm_connector(connector);
+ conn_state = connector->state;
+
+ if (!(conn_state && conn_state->crtc))
+ continue;
+
+ crtc = conn_state->crtc;
+ acrtc_state = to_dm_crtc_state(crtc->state);
+
+ if (!(acrtc_state && acrtc_state->stream))
+ continue;
+
+ stream = acrtc_state->stream;
+
+ if (amdgpu_dm_connector->dsc_settings.dsc_force_enable ||
+ amdgpu_dm_connector->dsc_settings.dsc_num_slices_v ||
+ amdgpu_dm_connector->dsc_settings.dsc_num_slices_h ||
+ amdgpu_dm_connector->dsc_settings.dsc_bits_per_pixel) {
+ conn_state = drm_atomic_get_connector_state(state, connector);
+ crtc_state = drm_atomic_get_crtc_state(state, crtc);
+ crtc_state->mode_changed = true;
+ }
+ }
+}
+
static int amdgpu_dm_init(struct amdgpu_device *adev)
{
struct dc_init_data init_data;
@@ -8609,6 +8648,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
int ret, i;
bool lock_and_validation_needed = false;
+ amdgpu_check_debugfs_connector_property_change(adev, state);
+
ret = drm_atomic_helper_check_modeset(dev, state);
if (ret)
goto fail;
--
2.25.1
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