[PATCH] add kernel-doc for dc_dmub_caps

[Sagar Vashnav <sagarvashnav72427@gmail.com>]

From: sagar-7227 <sagarvashnav72427@gmail.com>

Add kernel documentation for the dc_dmub_caps structure.

Signed-off-by: sagar-7227 <sagarvashnav72427@gmail.com>
---
 dc.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dc.h b/dc.h
index 8125839..cd4dab3 100644
--- a/dc.h
+++ b/dc.h
@@ -208,6 +208,16 @@ struct dc_color_caps {
 	struct mpc_color_caps mpc;
 };
 
+/**
+ * struct dc_dmub_caps - DMUB (Display Microcontroller Unit) capabilities
+ * @psr: support for PSR (Power Saving State Residency)
+ * @mclk_sw: support for MCLK_SW (Memory Clock Switch)
+ * @subvp_psr: supprt for SUBVP PSR (Sub-Viewport Power Saving State Residency)
+ * @gecc_enable: GECC (Global Error Correcting Code) enablement.
+ *
+ * This structure describes the capabilities of the Display Microcontroller Unit (DMUB).
+ * It specifies whether certain features like PSR and MCLK_SW are supported.
+ */
 struct dc_dmub_caps {
 	bool psr;
 	bool mclk_sw;
-- 
2.34.1