CVE-2024-53201 drm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null check for pipectx-planestate in dcn20programpipe This commit addresses a null pointer dereference issue in dcn20programpipe. Previously, commit 8e4ed3cf1642 "drm/amd/display: Add null check for...