From: Harry Wentland <harry.wentland@amd.com>
Date: Tue, 31 Oct 2017 15:17:27 -0400
Subject: drm/amd/display: Remove unused register read in program_pwl
Git-commit: a696dc208fa123d7c710ae757d3f621e9ab8b081
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/dce/dce_transform.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
@@ -1181,7 +1181,6 @@ static void program_pwl(
 	struct dce_transform *xfm_dce,
 	const struct pwl_params *params)
 {
-	uint32_t value;
 	int retval;
 	uint8_t max_tries = 10;
 	uint8_t counter = 0;
@@ -1198,7 +1197,6 @@ static void program_pwl(
 
 	while (counter < max_tries) {
 		if (REG(DCFE_MEM_PWR_STATUS)) {
-			value = REG_READ(DCFE_MEM_PWR_STATUS);
 			REG_GET(DCFE_MEM_PWR_STATUS,
 				DCP_REGAMMA_MEM_PWR_STATE,
 				&retval);
@@ -1207,7 +1205,6 @@ static void program_pwl(
 				break;
 			++counter;
 		} else {
-			value = REG_READ(DCFE_MEM_LIGHT_SLEEP_CNTL);
 			REG_GET(DCFE_MEM_LIGHT_SLEEP_CNTL,
 				REGAMMA_LUT_MEM_PWR_STATE,
 				&retval);