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

Need to guard some things with CONFIG_DRM_AMD_DC_DCN.

Fixes: 41724ea273 ("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
This commit is contained in:
Alex Deucher 2021-10-27 18:39:14 -04:00 committed by Lyude Paul
parent 41724ea273
commit 00f965e700
2 changed files with 4 additions and 2 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -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);

4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
View File

@ -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) {