[PATCH 27/35] drm/amd/display: fix virtual signal dsc setup
Rodrigo Siqueira
Rodrigo.Siqueira at amd.com
Thu Apr 16 23:40:36 UTC 2020
From: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
This prevents dpcd access on virtual links.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
index 51e0ee6e7695..6590f51caefa 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
@@ -400,7 +400,7 @@ static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable)
struct dc_stream_state *stream = pipe_ctx->stream;
bool result = false;
- if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
+ if (dc_is_virtual_signal(stream->signal) || IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
result = true;
else
result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, enable);
--
2.26.0
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