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authorAlex Deucher <alexander.deucher@amd.com>2021-10-27 18:39:14 -0400
committerLyude Paul <lyude@redhat.com>2021-10-27 19:50:26 -0400
commit00f965e700ef5aa2d889e7e65c7458531d2a4bcf (patch)
treeb00c0b25e3532624f62dcc80e9301ac4b0c98837
parent41724ea273cdda5261db4fabd6bfb1375fbc96b2 (diff)
drm/amdgpu/display: fix build when CONFIG_DRM_AMD_DC_DCN is not settopic/amdgpu-dp2.0-mst-2021-10-27
Need to guard some things with CONFIG_DRM_AMD_DC_DCN. Fixes: 41724ea273cdda ("drm/amd/display: Add DP 2.0 MST DM Support") Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Lyude Paul <lyude@redhat.com> Cc: Dave Airlie <airlied@gmail.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Lyude Paul <lyude@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211027223914.1776061-1-alexander.deucher@amd.com
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c2
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c4
2 files changed, 4 insertions, 2 deletions
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 ecdeeedb1cde..ee02776980b6 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -10683,9 +10683,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
struct dm_crtc_state *dm_old_crtc_state;
#if defined(CONFIG_DRM_AMD_DC_DCN)
struct dsc_mst_fairness_vars vars[MAX_PIPES];
-#endif
struct drm_dp_mst_topology_state *mst_state;
struct drm_dp_mst_topology_mgr *mgr;
+#endif
trace_amdgpu_dm_atomic_check_begin(state);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 53b5cc7b0679..8cbeeb7c986d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -219,7 +219,7 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
struct drm_dp_mst_topology_mgr *mst_mgr;
struct drm_dp_mst_port *mst_port;
bool ret;
- u8 link_coding_cap;
+ u8 link_coding_cap = DP_8b_10b_ENCODING;
aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
/* Accessing the connector state is required for vcpi_slots allocation
@@ -239,7 +239,9 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
mst_port = aconnector->port;
+#if defined(CONFIG_DRM_AMD_DC_DCN)
link_coding_cap = dc_link_dp_mst_decide_link_encoding_format(aconnector->dc_link);
+#endif
if (enable) {