[PATCH] drm/amdgpu/display: fix compile error

[Chen Wandun]

From: Chenwandun <chenwandun at huawei.com>

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:1913:48: error: struct dc_crtc_timing_flags has no member named DSC
   if (res_ctx->pipe_ctx[i].stream->timing.flags.DSC)
						^
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:1914:73: error: struct dc_crtc_timing has no member named dsc_cfg
   pipes[pipe_cnt].dout.output_bpp = res_ctx->pipe_ctx[i].stream->timing.dsc_cfg.bits_per_pixel / 16.0;
									^
Signed-off-by: Chenwandun <chenwandun at huawei.com>
---
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 914e378..4f03318 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -1910,8 +1910,10 @@ int dcn20_populate_dml_pipes_from_context(
 			pipes[pipe_cnt].dout.output_bpp = output_bpc * 3;
 		}
 
+#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
 		if (res_ctx->pipe_ctx[i].stream->timing.flags.DSC)
 			pipes[pipe_cnt].dout.output_bpp = res_ctx->pipe_ctx[i].stream->timing.dsc_cfg.bits_per_pixel / 16.0;
+#endif
 
 		/* todo: default max for now, until there is logic reflecting this in dc*/
 		pipes[pipe_cnt].dout.output_bpc = 12;
-- 
2.7.4