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Commit a27f1996 authored by Yasir Al Shekerchi's avatar Yasir Al Shekerchi Committed by Alex Deucher
Browse files

drm/amd/display: Added documentation for some DC interface functions 



Signed-off-by: default avatarYasir Al Shekerchi <YasirAl.Shekerchi@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 43610a9b

drivers/gpu/drm/amd/display/dc/core/dc.c

+16 −0
Original line number Diff line number Diff line
@@ -169,6 +169,22 @@ static bool create_links( 
	return false;

}



/**

 *****************************************************************************

 *  Function: dc_stream_adjust_vmin_vmax

 *

 *  @brief

 *     Looks up the pipe context of dc_stream_state and updates the

 *     vertical_total_min and vertical_total_max of the DRR, Dynamic Refresh

 *     Rate, which is a power-saving feature that targets reducing panel

 *     refresh rate while the screen is static

 *

 *  @param [in] dc: dc reference

 *  @param [in] stream: Initial dc stream state

 *  @param [in] adjust: Updated parameters for vertical_total_min and

 *  vertical_total_max

 *****************************************************************************

 */

bool dc_stream_adjust_vmin_vmax(struct dc *dc,

		struct dc_stream_state **streams, int num_streams,

		int vmin, int vmax)

drivers/gpu/drm/amd/display/dc/core/dc_link.c

+16 −0
Original line number Diff line number Diff line
@@ -2433,6 +2433,22 @@ void core_link_set_avmute(struct pipe_ctx *pipe_ctx, bool enable) 
	core_dc->hwss.set_avmute(pipe_ctx, enable);

}



/**

 *****************************************************************************

 *  Function: dc_link_enable_hpd_filter

 *

 *  @brief

 *     If enable is true, programs HPD filter on associated HPD line using

 *     delay_on_disconnect/delay_on_connect values dependent on

 *     link->connector_signal

 *

 *     If enable is false, programs HPD filter on associated HPD line with no

 *     delays on connect or disconnect

 *

 *  @param [in] link: pointer to the dc link

 *  @param [in] enable: boolean specifying whether to enable hbd

 *****************************************************************************

 */

void dc_link_enable_hpd_filter(struct dc_link *link, bool enable)

{

	struct gpio *hpd;

drivers/gpu/drm/amd/display/dc/core/dc_surface.c

+11 −0
Original line number Diff line number Diff line
@@ -84,6 +84,17 @@ struct dc_plane_state *dc_create_plane_state(struct dc *dc) 
	return plane_state;

}



/**

 *****************************************************************************

 *  Function: dc_plane_get_status

 *

 *  @brief

 *     Looks up the pipe context of plane_state and updates the pending status

 *     of the pipe context. Then returns plane_state->status

 *

 *  @param [in] plane_state: pointer to the plane_state to get the status of

 *****************************************************************************

 */

const struct dc_plane_status *dc_plane_get_status(

		const struct dc_plane_state *plane_state)

{