[Freedreno] [PATCH 00/25] reserve RM resources in CRTC state

[Sean Paul]

On Mon, Oct 08, 2018 at 09:27:17PM -0700, Jeykumar Sankaran wrote:
> Submitting series of patches to clean up DPU resource manager (RM)
> of complicated hw iterations, redundant data maintenence and eventually
> modifying the DPU to reserve display HW blocks only in atomic check
> and caching the assigned HW blocks in atomic CRTC state.
> 

I get the following build error with this series:

In file included from ../include/linux/list.h:9:0,
                 from ../include/linux/wait.h:7,
                 from ../include/linux/wait_bit.h:8,
                 from ../include/linux/fs.h:6,
                 from ../include/linux/debugfs.h:15,
                 from ../drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:21:
../drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘_dpu_crtc_setup_mixers’:
../include/linux/kernel.h:845:29: warning: comparison of distinct pointer types lacks a cast
   (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                             ^
../include/linux/kernel.h:859:4: note: in expansion of macro ‘__typecheck’
   (__typecheck(x, y) && __no_side_effects(x, y))
    ^~~~~~~~~~~
../include/linux/kernel.h:869:24: note: in expansion of macro ‘__safe_cmp’
  __builtin_choose_expr(__safe_cmp(x, y), \
                        ^~~~~~~~~~
../include/linux/kernel.h:878:19: note: in expansion of macro ‘__careful_cmp’
 #define min(x, y) __careful_cmp(x, y, <)
                   ^~~~~~~~~~~~~
../drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:437:15: note: in expansion of macro ‘min’
   ctl_index = min(i, cstate->num_ctls - 1);
               ^~~

> Thanks,
> Jeykumar S.
> 
> Jeykumar Sankaran (25):
>   drm/msm/dpu: fix hw ctl retrieval for mixer muxing
>   drm/msm/dpu: avoid tracking reservations in RM
>   drm/msm/dpu: remove dev from RM
>   drm/msm/dpu: clean up dpu_rm_check_property_topctl declaration
>   drm/msm/dpu: remove encoder from crtc mixer struct
>   drm/msm/dpu: clean up redundant hw type
>   drm/msm/dpu: reserve using crtc state
>   drm/msm/dpu: release reservation using crtc state
>   drm/msm/dpu: make RM iterator static
>   drm/msm/dpu: maintain hw_mdp in kms
>   drm/msm/dpu: remove reserve in encoder mode_set
>   drm/msm/dpu: remove mode_set_complete
>   drm/msm/dpu: make RM iterator hw type specific
>   drm/msm/dpu: remove enc_id tagging for hw blocks
>   drm/msm/dpu: avoid redundant hw blk reference
>   drm/msm/dpu: clean up test_only flag for RM reservation
>   drm/msm/dpu: remove RM HW block list iterator
>   drm/msm/dpu: merge RM interface reservation helpers
>   drm/msm/dpu: remove msm_display_topology
>   drm/msm/dpu: refine layer mixer reservations
>   drm/msm/dpu: merge RM reservation helpers
>   drm/msm/dpu: make crtc and encoder specific HW reservation
>   drm/msm/dpu: remove max_width from RM
>   drm/msm/dpu: remove mutex locking for RM interfaces
>   drm/msm/dpu: maintain RM init check internally
> 
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c           |  98 ++-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h           |  16 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        |  96 +--
>  .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c   |  20 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c            |  16 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h            |   1 -
>  drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c             | 728 ++++++---------------
>  drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h             | 107 +--
>  drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h          |  28 +-
>  drivers/gpu/drm/msm/msm_drv.h                      |  12 -
>  10 files changed, 322 insertions(+), 800 deletions(-)
> 
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS