Applied. Thanks!
On Mon, Aug 3, 2026 at 8:58 AM Timur Kristóf <[email protected]> wrote: > > The pipe_ctx->plane_res.hubp pointer is NULL on all DCE > hardware, which causes a kernel NULL pointer dereference > on all Vega and older GPUs. > > Let's add a simple NULL check. > > Fixes: f879f53407f0 ("drm/amd/display: Refactor DPP_SET_OUTPUT_TRANSFER_FUNC > to drop pipe_ctx") > Signed-off-by: Timur Kristóf <[email protected]> > Cc: Tomasz Siemek <[email protected]> > --- > drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c > b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c > index 11411fa94665..5495e493b2eb 100644 > --- a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c > +++ b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c > @@ -1900,7 +1900,8 @@ void hwss_set_output_transfer_func(struct dc *dc, > struct pipe_ctx *pipe_ctx) > .xfm = pipe_ctx->plane_res.xfm, > .dpp = pipe_ctx->plane_res.dpp, > .mpc = dc->res_pool->mpc, > - .mpcc_id = pipe_ctx->plane_res.hubp->inst, > + .mpcc_id = pipe_ctx->plane_res.hubp ? > + > pipe_ctx->plane_res.hubp->inst : 0, > .is_top_pipe = > resource_is_pipe_type(pipe_ctx, OPP_HEAD), > .stream = pipe_ctx->stream, > } > -- > 2.55.0 >
