[Intel-gfx] [PATCH 4/5] drm/i915: Make HW readout mark CRTC scaler as in use.

[Maarten Lankhorst]

This way we don't accidentally double allocate it.
Noticed this when I wrote a patch to sanity check all of
the scaler state.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede at redhat.com>
---
 drivers/gpu/drm/i915/intel_display.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f8cbdd50fa38..f902f720a3fb 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8869,6 +8869,7 @@ static void skylake_get_pfit_config(struct intel_crtc *crtc,
 			pipe_config->pch_pfit.enabled = true;
 			pipe_config->pch_pfit.pos = I915_READ(SKL_PS_WIN_POS(crtc->pipe, i));
 			pipe_config->pch_pfit.size = I915_READ(SKL_PS_WIN_SZ(crtc->pipe, i));
+			scaler_state->scalers[i].in_use = true;
 			break;
 		}
 	}
-- 
2.20.1