1 files changed, 15 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index b8e50a34bdb3..41cf9d0224d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4223,8 +4223,8 @@ static void gfx_v8_0_set_cpg_door_bell(struct amdgpu_device *adev, struct amdgpu
                                         adev->doorbell_index.gfx_ring0);
         WREG32(mmCP_RB_DOORBELL_RANGE_LOWER, tmp);
 
-        WREG32(mmCP_RB_DOORBELL_RANGE_UPPER,
-                CP_RB_DOORBELL_RANGE_UPPER__DOORBELL_RANGE_UPPER_MASK);
+        /* There is only one GFX queue */
+        WREG32(mmCP_RB_DOORBELL_RANGE_UPPER, tmp);
 }
 
 static int gfx_v8_0_cp_gfx_resume(struct amdgpu_device *adev)
@@ -4646,8 +4646,19 @@ static int gfx_v8_0_kcq_init_queue(struct amdgpu_ring *ring)
 static void gfx_v8_0_set_mec_doorbell_range(struct amdgpu_device *adev)
 {
         if (adev->asic_type > CHIP_TONGA) {
-                WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER, adev->doorbell_index.kiq << 2);
-                WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER, adev->doorbell_index.mec_ring7 << 2);
+                /* The first few doorbells in pci doorbell bar are for GFX RB
+                 * rings and all the leftover for MEC.
+                 * So CP_MEC_DOORBELL_RANGE_LOWER should be set one index after
+                 * CP_RB_DOORBELL_RANGE_UPPER, as we assume there is only one
+                 * GFX RB rings.
+                 */
+                u32 tmp = REG_SET_FIELD(0, CP_MEC_DOORBELL_RANGE_LOWER,
+                                DOORBELL_RANGE_LOWER,
+                                adev->gfx.gfx_ring[0].doorbell_index + 1);
+
+                WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER, tmp);
+                WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER,
+                                CP_MEC_DOORBELL_RANGE_UPPER__DOORBELL_RANGE_UPPER_MASK);
         }
         /* enable doorbells */
         WREG32_FIELD(CP_PQ_STATUS, DOORBELL_ENABLE, 1);