[PATCH 12/28] drm/i915/writeback: Fill encoder->get_config

Suraj Kandpal suraj.kandpal at intel.com
Fri Jul 25 05:03:53 UTC 2025


Fill the encoder->get_config hook with relevant data which helps
verify state.

Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_writeback.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_writeback.c b/drivers/gpu/drm/i915/display/intel_writeback.c
index 91ca74de7652..674cc4ecf1b9 100644
--- a/drivers/gpu/drm/i915/display/intel_writeback.c
+++ b/drivers/gpu/drm/i915/display/intel_writeback.c
@@ -139,6 +139,14 @@ static const struct drm_writeback_connector_helper_funcs writeback_conn_helper_f
 	.get_connector_from_writeback = intel_get_connector_from_writeback,
 };
 
+static void
+intel_writeback_get_config(struct intel_encoder *encoder,
+			   struct intel_crtc_state *crtc_state)
+{
+	crtc_state->output_types |= BIT(INTEL_OUTPUT_WRITEBACK);
+	crtc_state->output_format = INTEL_OUTPUT_FORMAT_RGB;
+}
+
 static bool
 intel_writeback_get_hw_state(struct intel_encoder *encoder,
 			     enum pipe *pipe)
@@ -209,6 +217,7 @@ int intel_writeback_init(struct intel_display *display)
 	encoder->type = INTEL_OUTPUT_WRITEBACK;
 	encoder->pipe_mask = ~0;
 	encoder->cloneable = 0;
+	encoder->get_config = intel_writeback_get_config;
 	encoder->get_hw_state = intel_writeback_get_hw_state;
 
 	connector = &writeback_conn->connector;
-- 
2.34.1



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