drm/amdgpu/display: check if fbc is available in set_static_screen_control (v2)

The value is dependent on whether fbc is available.

v2: only check if num_pipes is valid

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index b75ede5f84f7..b459867a05b2 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1736,7 +1736,12 @@ static void set_static_screen_control(struct pipe_ctx **pipe_ctx,
         if (events->force_trigger)
                 value |= 0x1;
 
-        value |= 0x84;
+        if (num_pipes) {
+                struct dc *dc = pipe_ctx[0]->stream->ctx->dc;
+
+                if (dc->fbc_compressor)
+                        value |= 0x84;
+        }
 
         for (i = 0; i < num_pipes; i++)
                 pipe_ctx[i]->stream_res.tg->funcs->