drm/amdgpu/nbio: remove doorbell entry5 for vcn on 7.11.4

S2A doorbell entry 5 on nbio 7.11.4 is used by vpe 2.0

Signed-off-by: Caden Chien <chih-wei.chien@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c b/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c
index b6f832c538603c4372fb8b611734532dbb23b0b6..375d5ff42a636a165ed4858968ab579bfdcd86a6 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c
@@ -144,10 +144,13 @@ static void nbif_v6_3_1_vcn_doorbell_range(struct amdgpu_device *adev,
 {
        u32 doorbell_range;
 
-       if (instance)
+       if (instance) {
+               if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4))
+                       return;
                doorbell_range = RREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL);
-       else
+       } else {
                doorbell_range = RREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_4_CTRL);
+       }
 
        if (use_doorbell) {
                doorbell_range = REG_SET_FIELD(doorbell_range,
@@ -177,10 +180,7 @@ static void nbif_v6_3_1_vcn_doorbell_range(struct amdgpu_device *adev,
                                               0);
 
        if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4)) {
-               if (instance)
-                       WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL_nbif_4_10, doorbell_range);
-               else
-                       WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_4_CTRL_nbif_4_10, doorbell_range);
+               WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_4_CTRL_nbif_4_10, doorbell_range);
        } else {
                if (instance)
                        WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, doorbell_range);