[PATCH 08/11] drm/amd/display: Do full modeset when DSC debugfs is changed

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From: Eryk Brol <eryk.brol@xxxxxxx>

[Why]
Whenever DSC parameters are changed we need to perform full modeset to commit
DSC changes to DC.

[How]
If dsc_force_changed is set, need to set mode_changed on new CRTC state

Signed-off-by: Eryk Brol <eryk.brol@xxxxxxx>
Signed-off-by: Mikita Lipski <mikita.lipski@xxxxxxx>
Reviewed-by: Mikita Lipski <Mikita.Lipski@xxxxxxx>
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
 1 file changed, 3 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 e213246e3f04..f964cca5ad6e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -9316,6 +9316,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 		ret = drm_atomic_add_affected_planes(state, crtc);
 		if (ret)
 			goto fail;
+
+		if (dm_old_crtc_state->dsc_force_changed && new_crtc_state)
+			new_crtc_state->mode_changed = true;
 	}
 
 	/*
-- 
2.25.1

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