Commit d56b83f7 authored by Bernard Zhao's avatar Bernard Zhao Committed by Alex Deucher
Browse files

drm/amd/display: optimize code runtime a bit 



In fnction is_cr_done & is_ch_eq_done, when done = false
happened once, no need to circle left ln_count.
This change is to make the code run a bit fast.

Signed-off-by: default avatarBernard Zhao <bernard@vivo.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 724dc53b

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

+5 −9
Original line number Diff line number Diff line
@@ -380,34 +380,30 @@ static void dpcd_set_lt_pattern_and_lane_settings( 
static bool is_cr_done(enum dc_lane_count ln_count,

	union lane_status *dpcd_lane_status)

{

	bool done = true;

	uint32_t lane;

	/*LANEx_CR_DONE bits All 1's?*/

	for (lane = 0; lane < (uint32_t)(ln_count); lane++) {

		if (!dpcd_lane_status[lane].bits.CR_DONE_0)

			done = false;

			return false;

	}

	return done;



	return true;

}



static bool is_ch_eq_done(enum dc_lane_count ln_count,

	union lane_status *dpcd_lane_status,

	union lane_align_status_updated *lane_status_updated)

{

	bool done = true;

	uint32_t lane;

	if (!lane_status_updated->bits.INTERLANE_ALIGN_DONE)

		done = false;

		return false;

	else {

		for (lane = 0; lane < (uint32_t)(ln_count); lane++) {

			if (!dpcd_lane_status[lane].bits.SYMBOL_LOCKED_0 ||

				!dpcd_lane_status[lane].bits.CHANNEL_EQ_DONE_0)

				done = false;

				return false;

		}

	}

	return done;



	return true;

}



static void update_drive_settings(