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

[Alex Deucher]

Need to protect some DSC functions.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 6 ++++++
 1 file changed, 6 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 a1bdd51c50f7..fcbcf52a77e0 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3891,7 +3891,9 @@ create_stream_for_sink(struct amdgpu_dm_connector 
*aconnector,
        bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false;
        int mode_refresh;
        int preferred_refresh = 0;
+#if defined(CONFIG_DRM_AMD_DC_DCN)
        struct dsc_dec_dpcd_caps dsc_caps;
+#endif
        uint32_t link_bandwidth_kbps;
 
        struct dc_sink *sink = NULL;
@@ -3970,12 +3972,15 @@ create_stream_for_sink(struct amdgpu_dm_connector 
*aconnector,
        stream->timing.flags.DSC = 0;
 
        if (aconnector->dc_link && sink->sink_signal == 
SIGNAL_TYPE_DISPLAY_PORT) {
+#if defined(CONFIG_DRM_AMD_DC_DCN)
                
dc_dsc_parse_dsc_dpcd(aconnector->dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.raw,
                                      
aconnector->dc_link->dpcd_caps.dsc_caps.dsc_ext_caps.raw,
                                      &dsc_caps);
+#endif
                link_bandwidth_kbps = 
dc_link_bandwidth_kbps(aconnector->dc_link,
                                                             
dc_link_get_link_cap(aconnector->dc_link));
 
+#if defined(CONFIG_DRM_AMD_DC_DCN)
                if (dsc_caps.is_dsc_supported)
                        if 
(dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0],
                                                  &dsc_caps,
@@ -3984,6 +3989,7 @@ create_stream_for_sink(struct amdgpu_dm_connector 
*aconnector,
                                                  &stream->timing,
                                                  &stream->timing.dsc_cfg))
                                stream->timing.flags.DSC = 1;
+#endif
        }
 
        update_stream_scaling_settings(&mode, dm_state, stream);
-- 
2.23.0

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