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[00/15] drm/i915: re-enable -Wunused-but-set-variable

Message ID cover.1685119006.git.jani.nikula@intel.com (mailing list archive)
Headers show
Series drm/i915: re-enable -Wunused-but-set-variable | expand

Message

Jani Nikula May 26, 2023, 4:37 p.m. UTC
Bring back -Wunused-but-set-variable both in W=1 build as well as
locally for CI and development. This already found dubious code.

Jani Nikula (15):
  drm/i915/plane: warn on non-zero plane offset
  drm/i915/ddi: drop unused but set variable intel_dp
  drm/i915/dsi: drop unused but set variable data
  drm/i915/dsi: drop unused but set variable vbp
  drm/i915/dpll: drop unused but set variables bestn and bestm1
  drm/i915/fb: drop unused but set variable cpp
  drm/i915/irq: drop unused but set variable tmp
  drm/i915/gt/uc: drop unused but set variable sseu
  drm/i915/gem: drop unused but set variable unpinned
  drm/i915/gem: annotate maybe unused but set variable c
  drm/i915/selftest: annotate maybe unused but set variable unused
  drm/i915: annotate maybe unused but set intel_plane_state variables
  drm/i915: annotate maybe unused but set intel_crtc_state variables
  drm/i915/gvt: annotate maybe unused gma_bottom variables
  drm/i915: re-enable -Wunused-but-set-variable

 drivers/gpu/drm/i915/Makefile                      |  2 +-
 drivers/gpu/drm/i915/display/i9xx_plane.c          |  2 ++
 drivers/gpu/drm/i915/display/intel_atomic_plane.c  |  2 +-
 drivers/gpu/drm/i915/display/intel_cdclk.c         |  2 +-
 drivers/gpu/drm/i915/display/intel_ddi.c           |  4 ----
 drivers/gpu/drm/i915/display/intel_display.c       | 10 +++++-----
 drivers/gpu/drm/i915/display/intel_display_irq.c   |  4 ++--
 drivers/gpu/drm/i915/display/intel_dpll.c          |  4 +---
 drivers/gpu/drm/i915/display/intel_fb.c            |  3 +--
 drivers/gpu/drm/i915/display/intel_fbc.c           |  6 +++---
 drivers/gpu/drm/i915/display/skl_universal_plane.c |  1 +
 drivers/gpu/drm/i915/display/skl_watermark.c       |  2 +-
 drivers/gpu/drm/i915/display/vlv_dsi.c             |  6 ++----
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c     |  3 +--
 drivers/gpu/drm/i915/gem/i915_gem_shmem.c          |  2 +-
 drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c     |  2 --
 drivers/gpu/drm/i915/gvt/cmd_parser.c              |  4 ++--
 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c      |  2 +-
 18 files changed, 26 insertions(+), 35 deletions(-)

Comments

Hogander, Jouni June 7, 2023, 9:35 a.m. UTC | #1
On Fri, 2023-05-26 at 19:37 +0300, Jani Nikula wrote:
> Bring back -Wunused-but-set-variable both in W=1 build as well as
> locally for CI and development. This already found dubious code.

for the whole set (including v2 of patch 01) :

Reviewed-by: Jouni Högander <jouni.hogander@intel.com>

> 
> Jani Nikula (15):
>   drm/i915/plane: warn on non-zero plane offset
>   drm/i915/ddi: drop unused but set variable intel_dp
>   drm/i915/dsi: drop unused but set variable data
>   drm/i915/dsi: drop unused but set variable vbp
>   drm/i915/dpll: drop unused but set variables bestn and bestm1
>   drm/i915/fb: drop unused but set variable cpp
>   drm/i915/irq: drop unused but set variable tmp
>   drm/i915/gt/uc: drop unused but set variable sseu
>   drm/i915/gem: drop unused but set variable unpinned
>   drm/i915/gem: annotate maybe unused but set variable c
>   drm/i915/selftest: annotate maybe unused but set variable unused
>   drm/i915: annotate maybe unused but set intel_plane_state variables
>   drm/i915: annotate maybe unused but set intel_crtc_state variables
>   drm/i915/gvt: annotate maybe unused gma_bottom variables
>   drm/i915: re-enable -Wunused-but-set-variable
> 
>  drivers/gpu/drm/i915/Makefile                      |  2 +-
>  drivers/gpu/drm/i915/display/i9xx_plane.c          |  2 ++
>  drivers/gpu/drm/i915/display/intel_atomic_plane.c  |  2 +-
>  drivers/gpu/drm/i915/display/intel_cdclk.c         |  2 +-
>  drivers/gpu/drm/i915/display/intel_ddi.c           |  4 ----
>  drivers/gpu/drm/i915/display/intel_display.c       | 10 +++++-----
>  drivers/gpu/drm/i915/display/intel_display_irq.c   |  4 ++--
>  drivers/gpu/drm/i915/display/intel_dpll.c          |  4 +---
>  drivers/gpu/drm/i915/display/intel_fb.c            |  3 +--
>  drivers/gpu/drm/i915/display/intel_fbc.c           |  6 +++---
>  drivers/gpu/drm/i915/display/skl_universal_plane.c |  1 +
>  drivers/gpu/drm/i915/display/skl_watermark.c       |  2 +-
>  drivers/gpu/drm/i915/display/vlv_dsi.c             |  6 ++----
>  drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c     |  3 +--
>  drivers/gpu/drm/i915/gem/i915_gem_shmem.c          |  2 +-
>  drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c     |  2 --
>  drivers/gpu/drm/i915/gvt/cmd_parser.c              |  4 ++--
>  drivers/gpu/drm/i915/selftests/i915_gem_gtt.c      |  2 +-
>  18 files changed, 26 insertions(+), 35 deletions(-)
>
Jani Nikula June 7, 2023, 10:37 a.m. UTC | #2
On Wed, 07 Jun 2023, "Hogander, Jouni" <jouni.hogander@intel.com> wrote:
> On Fri, 2023-05-26 at 19:37 +0300, Jani Nikula wrote:
>> Bring back -Wunused-but-set-variable both in W=1 build as well as
>> locally for CI and development. This already found dubious code.
>
> for the whole set (including v2 of patch 01) :
>
> Reviewed-by: Jouni Högander <jouni.hogander@intel.com>

Thanks for the review, pushed patches 1-13 to drm-intel-next. There's a
different version for patch 14 pending from Zhi, and can't enable the
warning in patch 15 without it.

BR,
Jani.

>
>>
>> Jani Nikula (15):
>>   drm/i915/plane: warn on non-zero plane offset
>>   drm/i915/ddi: drop unused but set variable intel_dp
>>   drm/i915/dsi: drop unused but set variable data
>>   drm/i915/dsi: drop unused but set variable vbp
>>   drm/i915/dpll: drop unused but set variables bestn and bestm1
>>   drm/i915/fb: drop unused but set variable cpp
>>   drm/i915/irq: drop unused but set variable tmp
>>   drm/i915/gt/uc: drop unused but set variable sseu
>>   drm/i915/gem: drop unused but set variable unpinned
>>   drm/i915/gem: annotate maybe unused but set variable c
>>   drm/i915/selftest: annotate maybe unused but set variable unused
>>   drm/i915: annotate maybe unused but set intel_plane_state variables
>>   drm/i915: annotate maybe unused but set intel_crtc_state variables
>>   drm/i915/gvt: annotate maybe unused gma_bottom variables
>>   drm/i915: re-enable -Wunused-but-set-variable
>>
>>  drivers/gpu/drm/i915/Makefile                      |  2 +-
>>  drivers/gpu/drm/i915/display/i9xx_plane.c          |  2 ++
>>  drivers/gpu/drm/i915/display/intel_atomic_plane.c  |  2 +-
>>  drivers/gpu/drm/i915/display/intel_cdclk.c         |  2 +-
>>  drivers/gpu/drm/i915/display/intel_ddi.c           |  4 ----
>>  drivers/gpu/drm/i915/display/intel_display.c       | 10 +++++-----
>>  drivers/gpu/drm/i915/display/intel_display_irq.c   |  4 ++--
>>  drivers/gpu/drm/i915/display/intel_dpll.c          |  4 +---
>>  drivers/gpu/drm/i915/display/intel_fb.c            |  3 +--
>>  drivers/gpu/drm/i915/display/intel_fbc.c           |  6 +++---
>>  drivers/gpu/drm/i915/display/skl_universal_plane.c |  1 +
>>  drivers/gpu/drm/i915/display/skl_watermark.c       |  2 +-
>>  drivers/gpu/drm/i915/display/vlv_dsi.c             |  6 ++----
>>  drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c     |  3 +--
>>  drivers/gpu/drm/i915/gem/i915_gem_shmem.c          |  2 +-
>>  drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c     |  2 --
>>  drivers/gpu/drm/i915/gvt/cmd_parser.c              |  4 ++--
>>  drivers/gpu/drm/i915/selftests/i915_gem_gtt.c      |  2 +-
>>  18 files changed, 26 insertions(+), 35 deletions(-)
>>
>
Jani Nikula June 8, 2023, 9:05 a.m. UTC | #3
On Wed, 07 Jun 2023, Jani Nikula <jani.nikula@intel.com> wrote:
> On Wed, 07 Jun 2023, "Hogander, Jouni" <jouni.hogander@intel.com> wrote:
>> On Fri, 2023-05-26 at 19:37 +0300, Jani Nikula wrote:
>>> Bring back -Wunused-but-set-variable both in W=1 build as well as
>>> locally for CI and development. This already found dubious code.
>>
>> for the whole set (including v2 of patch 01) :
>>
>> Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
>
> Thanks for the review, pushed patches 1-13 to drm-intel-next. There's a
> different version for patch 14 pending from Zhi, and can't enable the
> warning in patch 15 without it.

And pushed the rest, thanks.

BR,
Jani.

>
> BR,
> Jani.
>
>>
>>>
>>> Jani Nikula (15):
>>>   drm/i915/plane: warn on non-zero plane offset
>>>   drm/i915/ddi: drop unused but set variable intel_dp
>>>   drm/i915/dsi: drop unused but set variable data
>>>   drm/i915/dsi: drop unused but set variable vbp
>>>   drm/i915/dpll: drop unused but set variables bestn and bestm1
>>>   drm/i915/fb: drop unused but set variable cpp
>>>   drm/i915/irq: drop unused but set variable tmp
>>>   drm/i915/gt/uc: drop unused but set variable sseu
>>>   drm/i915/gem: drop unused but set variable unpinned
>>>   drm/i915/gem: annotate maybe unused but set variable c
>>>   drm/i915/selftest: annotate maybe unused but set variable unused
>>>   drm/i915: annotate maybe unused but set intel_plane_state variables
>>>   drm/i915: annotate maybe unused but set intel_crtc_state variables
>>>   drm/i915/gvt: annotate maybe unused gma_bottom variables
>>>   drm/i915: re-enable -Wunused-but-set-variable
>>>
>>>  drivers/gpu/drm/i915/Makefile                      |  2 +-
>>>  drivers/gpu/drm/i915/display/i9xx_plane.c          |  2 ++
>>>  drivers/gpu/drm/i915/display/intel_atomic_plane.c  |  2 +-
>>>  drivers/gpu/drm/i915/display/intel_cdclk.c         |  2 +-
>>>  drivers/gpu/drm/i915/display/intel_ddi.c           |  4 ----
>>>  drivers/gpu/drm/i915/display/intel_display.c       | 10 +++++-----
>>>  drivers/gpu/drm/i915/display/intel_display_irq.c   |  4 ++--
>>>  drivers/gpu/drm/i915/display/intel_dpll.c          |  4 +---
>>>  drivers/gpu/drm/i915/display/intel_fb.c            |  3 +--
>>>  drivers/gpu/drm/i915/display/intel_fbc.c           |  6 +++---
>>>  drivers/gpu/drm/i915/display/skl_universal_plane.c |  1 +
>>>  drivers/gpu/drm/i915/display/skl_watermark.c       |  2 +-
>>>  drivers/gpu/drm/i915/display/vlv_dsi.c             |  6 ++----
>>>  drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c     |  3 +--
>>>  drivers/gpu/drm/i915/gem/i915_gem_shmem.c          |  2 +-
>>>  drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c     |  2 --
>>>  drivers/gpu/drm/i915/gvt/cmd_parser.c              |  4 ++--
>>>  drivers/gpu/drm/i915/selftests/i915_gem_gtt.c      |  2 +-
>>>  18 files changed, 26 insertions(+), 35 deletions(-)
>>>
>>