[PATCH] drm/amdgpu/display: fix the build without CONFIG_DRM_AMD_DC_DSC_SUPPORT

[Alex Deucher]

Some code was missing the CONFIG_DRM_AMD_DC_DSC_SUPPORT guard.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 69e4d0d96c7f..38b3c89b2a59 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -630,9 +630,11 @@ static void dcn20_init_hw(struct dc *dc)
 		}
 	}
 
+#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
 	/* Power gate DSCs */
 	for (i = 0; i < res_pool->res_cap->num_dsc; i++)
 		dcn20_dsc_pg_control(hws, res_pool->dscs[i]->inst, false);
+#endif
 
 	/* Blank pixel data with OPP DPG */
 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
-- 
2.20.1