[PATCH 16/31] drm/amd/display: refactor function transmitter_to_phy_id

[Rodrigo Siqueira]

From: Nicholas Choi <Nicholas.Choi at amd.com>

[Why & How]
Since we only need transmitter value in function transmitter_to_phy_id().
Replace argument struct dc_link with enum transmitter.

Reviewed-by: Chao-kai Wang <Stylon.Wang at amd.com>
Acked-by: Alan Liu <HaoPing.Liu at amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Signed-off-by: Nathan Chancellor <natechancellor at gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 43b55bc6e2db..58882d42eff5 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -3185,8 +3185,11 @@ bool dc_link_get_psr_state(const struct dc_link *link, enum dc_psr_state *state)
 }
 
 static inline enum physical_phy_id
-transmitter_to_phy_id(enum transmitter transmitter_value)
+transmitter_to_phy_id(struct dc_link *link)
 {
+	struct dc_context *dc_ctx = link->ctx;
+	enum transmitter transmitter_value = link->link_enc->transmitter;
+
 	switch (transmitter_value) {
 	case TRANSMITTER_UNIPHY_A:
 		return PHYLD_0;
@@ -3213,8 +3216,7 @@ transmitter_to_phy_id(enum transmitter transmitter_value)
 	case TRANSMITTER_UNKNOWN:
 		return PHYLD_UNKNOWN;
 	default:
-		WARN_ONCE(1, "Unknown transmitter value %d\n",
-			  transmitter_value);
+		DC_ERROR("Unknown transmitter value %d\n", transmitter_value);
 		return PHYLD_UNKNOWN;
 	}
 }
@@ -3331,7 +3333,7 @@ bool dc_link_setup_psr(struct dc_link *link,
 	psr_context->phyType = PHY_TYPE_UNIPHY;
 	/*PhyId is associated with the transmitter id*/
 	psr_context->smuPhyId =
-		transmitter_to_phy_id(link->link_enc->transmitter);
+		transmitter_to_phy_id(link);
 
 	psr_context->crtcTimingVerticalTotal = stream->timing.v_total;
 	psr_context->vsync_rate_hz = div64_u64(div64_u64((stream->
-- 
2.25.1