[PATCH] drm/amdgpu/display: fix build when CONFIG_DRM_AMD_DC_DCN is not set

[Alex Deucher]

Need to guard some things with CONFIG_DRM_AMD_DC_DCN.

Fixes: 707021dc0e16f6 ("drm/amd/display: Enable dpia in dmub only for DCN31 B0")
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 3f36dbb2c663..6dd6262f2769 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1108,7 +1108,9 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
        case CHIP_YELLOW_CARP:
                if (dc->ctx->asic_id.hw_internal_rev != YELLOW_CARP_A0) {
                        hw_params.dpia_supported = true;
+#if defined(CONFIG_DRM_AMD_DC_DCN)
                        hw_params.disable_dpia = 
dc->debug.dpia_debug.bits.disable_dpia;
+#endif
                }
                break;
        default:
-- 
2.31.1