[PATCH] add kernel docs for dc_dmub_caps

[Sagar Vashnav]

Add kernel documentation for the dc_dmub_caps structure.

Signed-off-by: Sagar Vashnav <sagarvashnav72427 at gmail.com>
---
 drivers/gpu/drm/amd/display/dc/dc.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 8125839..14b4c50 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/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: support 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