[PATCH] drm/amdgpu/display: guard ttu_regs with CONFIG_DRM_AMD_DC_DCN

[Alex Deucher]

Missing check for CONFIG_DRM_AMD_DC_DCN.

Fixes: 752106f5c5cd ("drm/amd/display: Set max TTU on DPG enable")
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: Wesley Chalmers <Wesley.Chalmers at amd.com>
Cc: Stephen Rothwell <sfr at canb.auug.org.au>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index d9ab134a178f..a270879cbaba 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -2599,6 +2599,7 @@ static void commit_planes_for_stream(struct dc *dc,
 		}
 	}
 
+#ifdef CONFIG_DRM_AMD_DC_DCN
 	if (stream->test_pattern.type != DP_TEST_PATTERN_VIDEO_MODE) {
 		struct pipe_ctx *mpcc_pipe;
 		struct pipe_ctx *odm_pipe;
@@ -2607,7 +2608,7 @@ static void commit_planes_for_stream(struct dc *dc,
 			for (odm_pipe = mpcc_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
 				odm_pipe->ttu_regs.min_ttu_vblank = MAX_TTU;
 	}
-
+#endif
 
 	if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed)
 		if (top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) {
-- 
2.30.2