drm/amd/display: fix indexing bug

- is_new_pipe_surface should be addressed with pipe idx, not surface idx

Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-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/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index a3c5def..70b7673 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1334,7 +1334,7 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
        struct core_dc *core_dc = DC_TO_CORE(dc);
        struct validate_context *context = core_dc->temp_flip_context;
        int i, j;
-       bool is_new_pipe_surface[MAX_SURFACES];
+       bool is_new_pipe_surface[MAX_PIPES];
        const struct dc_surface *new_surfaces[MAX_SURFACES] = { 0 };
 
        update_surface_trace(dc, updates, surface_count);
@@ -1353,7 +1353,7 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
                                &context->res_ctx.pipe_ctx[cur_pipe->bottom_pipe->pipe_idx];
        }
 
-       for (j = 0; j < MAX_SURFACES; j++)
+       for (j = 0; j < MAX_PIPES; j++)
                is_new_pipe_surface[j] = true;
 
        for (i = 0 ; i < surface_count; i++) {
@@ -1364,7 +1364,7 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
                        struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 
                        if (surface == pipe_ctx->surface)
-                               is_new_pipe_surface[i] = false;
+                               is_new_pipe_surface[j] = false;
                }
        }