linux-kernel - [PATCH] drm/amd/display: add kernel docs for dc_stream_forward_crc

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Date:   Wed, 25 Oct 2023 10:04:16 -0400
From:   Sagar Vashnav <sagarvashnav72427@...il.com>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Sagar Vashnav <sagarvashnav72427@...il.com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/amd/display: add kernel docs for dc_stream_forward_crc_window

Add kernel documentation for the dc_stream_forward_crc_window

Signed-off-by: Sagar Vashnav <sagarvashnav72427@...il.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 1729fb727..5ab35e482 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -528,6 +528,19 @@ dc_stream_forward_dmcu_crc_window(struct dmcu *dmcu,
 		dmcu->funcs->forward_crc_window(dmcu, rect, mux_mapping);
 }
 
+/**
+ * dc_stream_forward_crc_window() - Forward CRC window configuration to DMUB or DMCU.
+ * @stream: The stream state to forward CRC window configuration for.
+ * @rect: Pointer to the rectangle defining the CRC window coordinates.
+ * @is_stop: Flag indicating whether the CRC capture should be stopped.
+
+ * This function is responsible for forwarding the CRC window configuration
+ * for a given stream to either the DMUB or DMCU, depending on their availability.
+
+ * Return:
+ * %true if the CRC window configuration was successfully forwarded;
+ * %false if the stream was not found or CRC forwarding is not supported.
+ */
 bool
 dc_stream_forward_crc_window(struct dc_stream_state *stream,
 		struct rect *rect, bool is_stop)
-- 
2.34.1