1 files changed, 9 insertions, 18 deletions

diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index f3a8c9344c64..6fbb874583f4 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -398,7 +398,9 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
         struct drm_display_mode *mode1 = NULL;
         struct rs690_watermark wm0;
         struct rs690_watermark wm1;
-        u32 tmp, d1mode_priority_a_cnt, d2mode_priority_a_cnt;
+        u32 tmp;
+        u32 d1mode_priority_a_cnt = S_006548_D1MODE_PRIORITY_A_OFF(1);
+        u32 d2mode_priority_a_cnt = S_006548_D1MODE_PRIORITY_A_OFF(1);
         fixed20_12 priority_mark02, priority_mark12, fill_rate;
         fixed20_12 a, b;
 
@@ -495,10 +497,6 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
                         d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
                         d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
                 }
-                WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
-                WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
-                WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
-                WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
         } else if (mode0) {
                 if (dfixed_trunc(wm0.dbpp) > 64)
                         a.full = dfixed_mul(wm0.dbpp, wm0.num_line_pair);
@@ -528,13 +526,7 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
                 d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
                 if (rdev->disp_priority == 2)
                         d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
-                WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
-                WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
-                WREG32(R_006D48_D2MODE_PRIORITY_A_CNT,
-                        S_006D48_D2MODE_PRIORITY_A_OFF(1));
-                WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT,
-                        S_006D4C_D2MODE_PRIORITY_B_OFF(1));
-        } else {
+        } else if (mode1) {
                 if (dfixed_trunc(wm1.dbpp) > 64)
                         a.full = dfixed_mul(wm1.dbpp, wm1.num_line_pair);
                 else
@@ -563,13 +555,12 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
                 d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
                 if (rdev->disp_priority == 2)
                         d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
-                WREG32(R_006548_D1MODE_PRIORITY_A_CNT,
-                        S_006548_D1MODE_PRIORITY_A_OFF(1));
-                WREG32(R_00654C_D1MODE_PRIORITY_B_CNT,
-                        S_00654C_D1MODE_PRIORITY_B_OFF(1));
-                WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
-                WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
         }
+
+        WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
+        WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
+        WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
+        WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 }
 
 uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg)