drm/amd/display: add pipe locking before front end programing

Add pipe locking/unlocking before we program the front end

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

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 07ff8d2..d844fad 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -2866,16 +2866,19 @@ static void dce110_apply_ctx_for_surface(
                int num_planes,
                struct dc_state *context)
 {
-       int i, be_idx;
+       int i;
 
        if (num_planes == 0)
                return;
 
-       be_idx = -1;
        for (i = 0; i < dc->res_pool->pipe_count; i++) {
-               if (stream == context->res_ctx.pipe_ctx[i].stream) {
-                       be_idx = context->res_ctx.pipe_ctx[i].stream_res.tg->inst;
-                       break;
+               struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+               struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
+
+               if (stream == pipe_ctx->stream) {
+                       if (!pipe_ctx->top_pipe &&
+                               (pipe_ctx->plane_state || old_pipe_ctx->plane_state))
+                               dc->hwss.pipe_control_lock(dc, pipe_ctx, true);
                }
        }
 
@@ -2895,9 +2898,22 @@ static void dce110_apply_ctx_for_surface(
                                        context->stream_count);
 
                dce110_program_front_end_for_pipe(dc, pipe_ctx);
+
+               dc->hwss.update_plane_addr(dc, pipe_ctx);
+
                program_surface_visibility(dc, pipe_ctx);
 
        }
+
+       for (i = 0; i < dc->res_pool->pipe_count; i++) {
+               struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+               struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
+
+               if ((stream == pipe_ctx->stream) &&
+                       (!pipe_ctx->top_pipe) &&
+                       (pipe_ctx->plane_state || old_pipe_ctx->plane_state))
+                       dc->hwss.pipe_control_lock(dc, pipe_ctx, false);
+       }
 }
 
 static void dce110_power_down_fe(struct dc *dc, int fe_idx)