Found by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c:298 dc_stream_set_cursor_position() error: we previously assumed 'hubp' could be null (see line 294)
Signed-off-by: Harry Wentland <[email protected]> Reviewed-by: Tony Cheng <[email protected]> Acked-by: Harry Wentland <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 9 ++++----- drivers/gpu/drm/amd/display/dc/inc/hw/transform.h | 7 ------- 2 files changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 1efa5b62e257..375fb457e223 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -260,7 +260,6 @@ bool dc_stream_set_cursor_position( struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp; struct mem_input *mi = pipe_ctx->plane_res.mi; struct hubp *hubp = pipe_ctx->plane_res.hubp; - struct transform *xfm = pipe_ctx->plane_res.xfm; struct dpp *dpp = pipe_ctx->plane_res.dpp; struct dc_cursor_position pos_cpy = *position; struct dc_cursor_mi_param param = { @@ -291,11 +290,11 @@ bool dc_stream_set_cursor_position( if (mi != NULL && mi->funcs->set_cursor_position != NULL) mi->funcs->set_cursor_position(mi, &pos_cpy, ¶m); - if (hubp != NULL && hubp->funcs->set_cursor_position != NULL) - hubp->funcs->set_cursor_position(hubp, &pos_cpy, ¶m); + if (!hubp) + continue; - if (xfm != NULL && xfm->funcs->set_cursor_position != NULL) - xfm->funcs->set_cursor_position(xfm, &pos_cpy, ¶m, hubp->curs_attr.width); + if (hubp->funcs->set_cursor_position != NULL) + hubp->funcs->set_cursor_position(hubp, &pos_cpy, ¶m); if (dpp != NULL && dpp->funcs->set_cursor_position != NULL) dpp->funcs->set_cursor_position(dpp, &pos_cpy, ¶m, hubp->curs_attr.width); diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h index d7b444133492..6f6c02b89f90 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h @@ -261,13 +261,6 @@ struct transform_funcs { struct transform *xfm_base, const struct dc_cursor_attributes *attr); - void (*set_cursor_position)( - struct transform *xfm_base, - const struct dc_cursor_position *pos, - const struct dc_cursor_mi_param *param, - uint32_t width - ); - }; const uint16_t *get_filter_2tap_16p(void); -- 2.14.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
