drm/amdgpu: fix unused variable

SOC15_WAIT_ON_RREG's return value needn't always been handled by
caller. new design is to fix this kind of unused variable.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

8 files changed, 102 insertions, 113 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
index 552eb7da54ae..c5f49129a300 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
@@ -230,9 +230,9 @@ static int jpeg_v2_0_disable_power_gating(struct amdgpu_device *adev)
 		data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 
-		SOC15_WAIT_ON_RREG(JPEG, 0,
+		r = SOC15_WAIT_ON_RREG(JPEG, 0,
 			mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
-			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK, r);
+			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 
 		if (r) {
 			DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
@@ -261,9 +261,9 @@ static int jpeg_v2_0_enable_power_gating(struct amdgpu_device* adev)
 		data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 
-		SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
+		r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
 			(2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
-			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK, r);
+			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 
 		if (r) {
 			DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
@@ -677,10 +677,10 @@ static bool jpeg_v2_0_is_idle(void *handle)
 static int jpeg_v2_0_wait_for_idle(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	int ret = 0;
+	int ret;
 
-	SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
-		UVD_JRBC_STATUS__RB_JOB_DONE_MASK, ret);
+	ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS, UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
+		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
index 713c32560445..f74262a22a16 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
@@ -449,15 +449,15 @@ static bool jpeg_v2_5_is_idle(void *handle)
 static int jpeg_v2_5_wait_for_idle(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	int i, ret = 0;
+	int i, ret;
 
 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
 		if (adev->jpeg.harvest_config & (1 << i))
 			continue;
 
-		SOC15_WAIT_ON_RREG(JPEG, i, mmUVD_JRBC_STATUS,
+		ret = SOC15_WAIT_ON_RREG(JPEG, i, mmUVD_JRBC_STATUS,
 			UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
-			UVD_JRBC_STATUS__RB_JOB_DONE_MASK, ret);
+			UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 		if (ret)
 			return ret;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
index 9dbc616b38cb..42f1a516005e 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
@@ -266,9 +266,9 @@ static int jpeg_v3_0_disable_static_power_gating(struct amdgpu_device *adev)
 		data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 
-		SOC15_WAIT_ON_RREG(JPEG, 0,
+		r = SOC15_WAIT_ON_RREG(JPEG, 0,
 			mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
-			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK, r);
+			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 
 		if (r) {
 			DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
@@ -301,9 +301,9 @@ static int jpeg_v3_0_enable_static_power_gating(struct amdgpu_device* adev)
 		data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 		WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 
-		SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
+		r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
 			(2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
-			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK, r);
+			UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 
 		if (r) {
 			DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
@@ -461,11 +461,11 @@ static bool jpeg_v3_0_is_idle(void *handle)
 static int jpeg_v3_0_wait_for_idle(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	int ret = 0;
+	int ret;
 
-	SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
+	ret = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
 		UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
-		UVD_JRBC_STATUS__RB_JOB_DONE_MASK, ret);
+		UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15_common.h b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
index 56d02aa690a7..a5c00ab8b021 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15_common.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
@@ -50,18 +50,19 @@
 #define WREG32_SOC15_OFFSET(ip, inst, reg, offset, value) \
 	WREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, value)
 
-#define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask, ret) \
+#define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask) \
+({	int ret = 0;						\
 	do {							\
-		uint32_t old_ = 0;	\
+		uint32_t old_ = 0;				\
 		uint32_t tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
 		uint32_t loop = adev->usec_timeout;		\
 		ret = 0;					\
 		while ((tmp_ & (mask)) != (expected_value)) {	\
 			if (old_ != tmp_) {			\
 				loop = adev->usec_timeout;	\
-				old_ = tmp_;				\
-			} else						\
-				udelay(1);				\
+				old_ = tmp_;			\
+			} else					\
+				udelay(1);			\
 			tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
 			loop--;					\
 			if (!loop) {				\
@@ -71,7 +72,9 @@
 				break;				\
 			}					\
 		}						\
-	} while (0)
+	} while (0);						\
+	ret;							\
+})
 
 #define WREG32_RLC(reg, value) \
 	do {							\
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index e88a5ef8bba1..6dcc3ce0c00a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -683,7 +683,6 @@ static void vcn_v1_0_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t s
 static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
 {
 	uint32_t data = 0;
-	int ret;
 
 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
@@ -699,7 +698,7 @@ static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
 			| 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 
 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
-		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON, 0xFFFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON, 0xFFFFFF);
 	} else {
 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
@@ -713,7 +712,7 @@ static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
 			| 1 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT);
 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
-		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFFFFF);
 	}
 
 	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS , UVDU_PWR_STATUS are 0 (power on) */
@@ -729,7 +728,6 @@ static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev)
 static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev)
 {
 	uint32_t data = 0;
-	int ret;
 
 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 		/* Before power off, this indicator has to be turned on */
@@ -764,7 +762,7 @@ static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev)
 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
 			| 2 << UVD_PGFSM_STATUS__UVDW_PWR_STATUS__SHIFT);
-		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFFFFF);
 	}
 }
 
@@ -1113,15 +1111,15 @@ static int vcn_v1_0_start(struct amdgpu_device *adev)
  */
 static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
 {
-	int ret_code, tmp;
+	int tmp;
 
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
 
 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
 		UVD_LMI_STATUS__READ_CLEAN_MASK |
 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp);
 
 	/* put VCPU into reset */
 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
@@ -1130,7 +1128,7 @@ static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
 
 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp);
 
 	/* disable VCPU clock */
 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
@@ -1154,30 +1152,29 @@ static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
 
 static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev)
 {
-	int ret_code = 0;
 	uint32_t tmp;
 
 	/* Wait for power status to be UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF */
 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
 			UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
-			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* wait for read ptr to be equal to write ptr */
 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_JRBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_JRBC_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
 		UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
-		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* disable dynamic power gating mode */
 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
@@ -1220,9 +1217,9 @@ static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
 			ret_code = 0;
 
 			if (!(reg_data & UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK))
-				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
+				ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
 						   UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
-						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 			if (!ret_code) {
 				/* pause DPG non-jpeg */
@@ -1230,7 +1227,7 @@ static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
 				WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
 						   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
-						   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, ret_code);
+						   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 				/* Restore */
 				ring = &adev->vcn.inst->ring_enc[0];
@@ -1252,7 +1249,7 @@ static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
 						   RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
 						   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
-						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 			}
 		} else {
 			/* unpause dpg non-jpeg, no need to wait */
@@ -1276,9 +1273,9 @@ static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
 			ret_code = 0;
 
 			if (!(reg_data & UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK))
-				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
+				ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
 						   UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF,
-						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 			if (!ret_code) {
 				/* Make sure JPRG Snoop is disabled before sending the pause */
@@ -1291,7 +1288,7 @@ static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
 				WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
 							UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK,
-							UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK, ret_code);
+							UVD_DPG_PAUSE__JPEG_PAUSE_DPG_ACK_MASK);
 
 				/* Restore */
 				ring = &adev->jpeg.inst->ring_dec;
@@ -1313,7 +1310,7 @@ static int vcn_v1_0_pause_dpg_mode(struct amdgpu_device *adev,
 						   RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
 						   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
-						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+						   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 			}
 		} else {
 			/* unpause dpg jpeg, no need to wait */
@@ -1336,10 +1333,10 @@ static bool vcn_v1_0_is_idle(void *handle)
 static int vcn_v1_0_wait_for_idle(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	int ret = 0;
+	int ret;
 
-	SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
-		UVD_STATUS__IDLE, ret);
+	ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
+		UVD_STATUS__IDLE);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index f31b8a5bba64..c0e4133a6dd5 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -697,7 +697,6 @@ static void vcn_v2_0_enable_clock_gating(struct amdgpu_device *adev)
 static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
 {
 	uint32_t data = 0;
-	int ret;
 
 	if (amdgpu_sriov_vf(adev))
 		return;
@@ -716,7 +715,7 @@ static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
 
 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS,
-			UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0, 0xFFFFF, ret);
+			UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0, 0xFFFFF);
 	} else {
 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
@@ -729,7 +728,7 @@ static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
-		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFF);
 	}
 
 	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS,
@@ -747,7 +746,6 @@ static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
 static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
 {
 	uint32_t data = 0;
-	int ret;
 
 	if (amdgpu_sriov_vf(adev))
 		return;
@@ -783,7 +781,7 @@ static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT);
-		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFF);
 	}
 }
 
@@ -1099,25 +1097,24 @@ static int vcn_v2_0_start(struct amdgpu_device *adev)
 
 static int vcn_v2_0_stop_dpg_mode(struct amdgpu_device *adev)
 {
-	int ret_code = 0;
 	uint32_t tmp;
 
 	/* Wait for power status to be 1 */
 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
-		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* wait for read ptr to be equal to write ptr */
 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
-	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
-		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* disable dynamic power gating mode */
 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
@@ -1139,7 +1136,7 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev)
 	}
 
 	/* wait for uvd idle */
-	SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r);
+	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
 	if (r)
 		return r;
 
@@ -1147,7 +1144,7 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev)
 		UVD_LMI_STATUS__READ_CLEAN_MASK |
 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
-	SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp, r);
+	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
 	if (r)
 		return r;
 
@@ -1158,7 +1155,7 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev)
 
 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
-	SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp, r);
+	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
 	if (r)
 		return r;
 
@@ -1209,9 +1206,8 @@ static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
-			ret_code = 0;
-			SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1,
-				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+			ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1,
+				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 			if (!ret_code) {
 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
@@ -1222,7 +1218,7 @@ static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
 				/* wait for ACK */
 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
-					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, ret_code);
+					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 				/* Stall DPG before WPTR/RPTR reset */
 				WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
@@ -1259,7 +1255,7 @@ static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
 
 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
-					   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+					   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 			}
 		} else {
 			/* unpause dpg, no need to wait */
@@ -1282,10 +1278,10 @@ static bool vcn_v2_0_is_idle(void *handle)
 static int vcn_v2_0_wait_for_idle(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	int ret = 0;
+	int ret;
 
-	SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
-		UVD_STATUS__IDLE, ret);
+	ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
+		UVD_STATUS__IDLE);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index ba1c4fbc19dc..e99bef6e2354 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -549,7 +549,6 @@ static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
 static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev)
 {
 	uint32_t data;
-	int ret = 0;
 	int i;
 
 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
@@ -589,7 +588,7 @@ static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev)
 
 		WREG32_SOC15(VCN, i, mmUVD_CGC_GATE, data);
 
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
 
 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
 		data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
@@ -1302,25 +1301,24 @@ static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
 
 static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
 {
-	int ret_code = 0;
 	uint32_t tmp;
 
 	/* Wait for power status to be 1 */
 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
-		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* wait for read ptr to be equal to write ptr */
 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
-	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
-	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
-	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
-		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* disable dynamic power gating mode */
 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
@@ -1343,7 +1341,7 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
 		}
 
 		/* wait for vcn idle */
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r);
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
 		if (r)
 			return r;
 
@@ -1351,7 +1349,7 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
 			UVD_LMI_STATUS__READ_CLEAN_MASK |
 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp, r);
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
 		if (r)
 			return r;
 
@@ -1362,7 +1360,7 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
 
 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp, r);
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
 		if (r)
 			return r;
 
@@ -1412,8 +1410,8 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
-			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
-				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
+				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 			if (!ret_code) {
 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
@@ -1425,7 +1423,7 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
 				/* wait for ACK */
 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
-					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, ret_code);
+					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 				/* Stall DPG before WPTR/RPTR reset */
 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
@@ -1458,13 +1456,13 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
 
 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
-					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 			}
 		} else {
 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
 			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
-				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 		}
 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
 	}
@@ -1701,8 +1699,8 @@ static int vcn_v2_5_wait_for_idle(void *handle)
 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 		if (adev->vcn.harvest_config & (1 << i))
 			continue;
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
-			UVD_STATUS__IDLE, ret);
+		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
+			UVD_STATUS__IDLE);
 		if (ret)
 			return ret;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index 2497f29bbb35..90fe95f345e3 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -482,7 +482,6 @@ static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
 static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
 {
 	uint32_t data = 0;
-	int ret;
 
 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
@@ -502,7 +501,7 @@ static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int
 
 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS,
-			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF, ret);
+			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
 	} else {
 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
@@ -519,7 +518,7 @@ static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int
 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
-		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0,  0x3F3FFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0,  0x3F3FFFFF);
 	}
 
 	data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
@@ -534,7 +533,6 @@ static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int
 static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
 {
 	uint32_t data;
-	int ret;
 
 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
 		/* Before power off, this indicator has to be turned on */
@@ -573,7 +571,7 @@ static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int
 			| 2 << UVD_PGFSM_STATUS__UVDATD_PWR_STATUS__SHIFT
 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
-		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, data, 0x3F3FFFFF, ret);
+		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
 	}
 }
 
@@ -588,7 +586,6 @@ static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int
 static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
 {
 	uint32_t data;
-	int ret = 0;
 
 	/* VCN disable CGC */
 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
@@ -624,7 +621,7 @@ static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
 
 	WREG32_SOC15(VCN, inst, mmUVD_CGC_GATE, data);
 
-	SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_CGC_GATE, 0,  0xFFFFFFFF, ret);
+	SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
 
 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
@@ -1142,25 +1139,24 @@ static int vcn_v3_0_start(struct amdgpu_device *adev)
 
 static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
 {
-	int ret_code = 0;
 	uint32_t tmp;
 
 	/* Wait for power status to be 1 */
 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
-		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* wait for read ptr to be equal to write ptr */
 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
-	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
-	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
 
 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
-	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
 
 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
-		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 	/* disable dynamic power gating mode */
 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
@@ -1184,7 +1180,7 @@ static int vcn_v3_0_stop(struct amdgpu_device *adev)
 		}
 
 		/* wait for vcn idle */
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r);
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
 		if (r)
 			return r;
 
@@ -1192,7 +1188,7 @@ static int vcn_v3_0_stop(struct amdgpu_device *adev)
 			UVD_LMI_STATUS__READ_CLEAN_MASK |
 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp, r);
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
 		if (r)
 			return r;
 
@@ -1202,7 +1198,7 @@ static int vcn_v3_0_stop(struct amdgpu_device *adev)
 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp, r);
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
 		if (r)
 			return r;
 
@@ -1259,9 +1255,8 @@ static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
-			ret_code = 0;
-			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
-				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
+				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 
 			if (!ret_code) {
 				/* pause DPG */
@@ -1271,7 +1266,7 @@ static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
 				/* wait for ACK */
 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
-					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, ret_code);
+					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 				/* Restore */
 				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
@@ -1292,7 +1287,7 @@ static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
 					RREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2) & 0x7FFFFFFF);
 
 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
-					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
+					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 			}
 		} else {
 			/* unpause dpg, no need to wait */
@@ -1542,8 +1537,8 @@ static int vcn_v3_0_wait_for_idle(void *handle)
 		if (adev->vcn.harvest_config & (1 << i))
 			continue;
 
-		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
-			UVD_STATUS__IDLE, ret);
+		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
+			UVD_STATUS__IDLE);
 		if (ret)
 			return ret;
 	}