diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index 7f3354b3512d..c223f8af2084 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -1899,6 +1899,41 @@ static bool dcn30_split_stream_for_mpc_or_odm( return true; } +static struct pipe_ctx *dcn30_find_split_pipe( + struct dc *dc, + struct dc_state *context) +{ + struct pipe_ctx *pipe = NULL; + int i; + + for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) { + if (dc->current_state->res_ctx.pipe_ctx[i].top_pipe == NULL + && dc->current_state->res_ctx.pipe_ctx[i].prev_odm_pipe == NULL) { + if (context->res_ctx.pipe_ctx[i].stream == NULL) { + pipe = &context->res_ctx.pipe_ctx[i]; + pipe->pipe_idx = i; + break; + } + } + } + + /* + * May need to fix pipes getting tossed from 1 opp to another on flip + * Add for debugging transient underflow during topology updates: + * ASSERT(pipe); + */ + if (!pipe) + for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) { + if (context->res_ctx.pipe_ctx[i].stream == NULL) { + pipe = &context->res_ctx.pipe_ctx[i]; + pipe->pipe_idx = i; + break; + } + } + + return pipe; +} + static bool dcn30_internal_validate_bw( struct dc *dc, struct dc_state *context, @@ -2024,6 +2059,7 @@ static bool dcn30_internal_validate_bw( dcn20_release_dsc(&context->res_ctx, dc->res_pool, &pipe->stream_res.dsc); memset(&pipe->plane_res, 0, sizeof(pipe->plane_res)); memset(&pipe->stream_res, 0, sizeof(pipe->stream_res)); + repopulate_pipes = true; } else if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state) { struct pipe_ctx *top_pipe = pipe->top_pipe; struct pipe_ctx *bottom_pipe = pipe->bottom_pipe; @@ -2038,6 +2074,7 @@ static bool dcn30_internal_validate_bw( pipe->stream = NULL; memset(&pipe->plane_res, 0, sizeof(pipe->plane_res)); memset(&pipe->stream_res, 0, sizeof(pipe->stream_res)); + repopulate_pipes = true; } else ASSERT(0); /* Should never try to merge master pipe */ @@ -2058,7 +2095,7 @@ static bool dcn30_internal_validate_bw( continue; if (split[i]) { - hsplit_pipe = find_idle_secondary_pipe(&context->res_ctx, dc->res_pool, pipe); + hsplit_pipe = dcn30_find_split_pipe(dc, context); ASSERT(hsplit_pipe); if (!hsplit_pipe) goto validate_fail; @@ -2072,7 +2109,7 @@ static bool dcn30_internal_validate_bw( repopulate_pipes = true; } if (split[i] == 4) { - struct pipe_ctx *pipe_4to1 = find_idle_secondary_pipe(&context->res_ctx, dc->res_pool, pipe); + struct pipe_ctx *pipe_4to1 = dcn30_find_split_pipe(dc, context); ASSERT(pipe_4to1); if (!pipe_4to1) @@ -2083,7 +2120,7 @@ static bool dcn30_internal_validate_bw( goto validate_fail; newly_split[pipe_4to1->pipe_idx] = true; - pipe_4to1 = find_idle_secondary_pipe(&context->res_ctx, dc->res_pool, pipe); + pipe_4to1 = dcn30_find_split_pipe(dc, context); ASSERT(pipe_4to1); if (!pipe_4to1) goto validate_fail; |