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Message-ID: <202111191037.KkdiYtPa-lkp@intel.com>
Date: Fri, 19 Nov 2021 10:35:49 +0800
From: kernel test robot <lkp@...el.com>
To: Wan Jiabing <wanjiabing@...o.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Alex Deucher <alexander.deucher@....com>,
Rodrigo Siqueira <Rodrigo.Siqueira@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:661:6:
warning: no previous prototype for 'dce110_enable_stream'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e26dd976580a6a427c69e6116508dd3d412742e5
commit: 4d45a22458f52a3daf222287d9e578d3ec418422 drm: display: Remove duplicate include in dce110
date: 5 months ago
config: microblaze-buildonly-randconfig-r004-20210927 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d45a22458f52a3daf222287d9e578d3ec418422
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4d45a22458f52a3daf222287d9e578d3ec418422
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=microblaze
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:661:6: warning: no previous prototype for 'dce110_enable_stream' [-Wmissing-prototypes]
661 | void dce110_enable_stream(struct pipe_ctx *pipe_ctx)
| ^~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1133:6: warning: no previous prototype for 'dce110_disable_stream' [-Wmissing-prototypes]
1133 | void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
| ^~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1159:6: warning: no previous prototype for 'dce110_unblank_stream' [-Wmissing-prototypes]
1159 | void dce110_unblank_stream(struct pipe_ctx *pipe_ctx,
| ^~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1785:6: warning: no previous prototype for 'dce110_set_safe_displaymarks' [-Wmissing-prototypes]
1785 | void dce110_set_safe_displaymarks(
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:2566:6: warning: no previous prototype for 'dce110_prepare_bandwidth' [-Wmissing-prototypes]
2566 | void dce110_prepare_bandwidth(
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:2580:6: warning: no previous prototype for 'dce110_optimize_bandwidth' [-Wmissing-prototypes]
2580 | void dce110_optimize_bandwidth(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:2863:6: warning: no previous prototype for 'dce110_set_backlight_level' [-Wmissing-prototypes]
2863 | bool dce110_set_backlight_level(struct pipe_ctx *pipe_ctx,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:2897:6: warning: no previous prototype for 'dce110_set_abm_immediate_disable' [-Wmissing-prototypes]
2897 | void dce110_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:2910:6: warning: no previous prototype for 'dce110_set_pipe' [-Wmissing-prototypes]
2910 | void dce110_set_pipe(struct pipe_ctx *pipe_ctx)
| ^~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:2976:6: warning: no previous prototype for 'dce110_hw_sequencer_construct' [-Wmissing-prototypes]
2976 | void dce110_hw_sequencer_construct(struct dc *dc)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/dce110_enable_stream +661 drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c
4562236b3bc0a2 Harry Wentland 2017-09-12 660
4562236b3bc0a2 Harry Wentland 2017-09-12 @661 void dce110_enable_stream(struct pipe_ctx *pipe_ctx)
4562236b3bc0a2 Harry Wentland 2017-09-12 662 {
4562236b3bc0a2 Harry Wentland 2017-09-12 663 enum dc_lane_count lane_count =
ceb3dbb4690db8 Jun Lei 2018-11-09 664 pipe_ctx->stream->link->cur_link_settings.lane_count;
4fa086b9b66408 Leo (Sunpeng Li 2017-07-25 665) struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
ceb3dbb4690db8 Jun Lei 2018-11-09 666 struct dc_link *link = pipe_ctx->stream->link;
f42ea55be11147 Anthony Koo 2019-11-05 667 const struct dc *dc = link->dc;
f215a57dca691c Eric Yang 2018-02-21 668
4562236b3bc0a2 Harry Wentland 2017-09-12 669 uint32_t active_total_with_borders;
4562236b3bc0a2 Harry Wentland 2017-09-12 670 uint32_t early_control = 0;
6b670fa965b620 Harry Wentland 2017-07-30 671 struct timing_generator *tg = pipe_ctx->stream_res.tg;
4562236b3bc0a2 Harry Wentland 2017-09-12 672
f215a57dca691c Eric Yang 2018-02-21 673 /* For MST, there are multiply stream go to only one link.
f215a57dca691c Eric Yang 2018-02-21 674 * connect DIG back_end to front_end while enable_stream and
f215a57dca691c Eric Yang 2018-02-21 675 * disconnect them during disable_stream
f215a57dca691c Eric Yang 2018-02-21 676 * BY this, it is logic clean to separate stream and link */
f215a57dca691c Eric Yang 2018-02-21 677 link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc,
f215a57dca691c Eric Yang 2018-02-21 678 pipe_ctx->stream_res.stream_enc->id, true);
f215a57dca691c Eric Yang 2018-02-21 679
f42ea55be11147 Anthony Koo 2019-11-05 680 dc->hwss.update_info_frame(pipe_ctx);
f215a57dca691c Eric Yang 2018-02-21 681
4562236b3bc0a2 Harry Wentland 2017-09-12 682 /* enable early control to avoid corruption on DP monitor*/
4562236b3bc0a2 Harry Wentland 2017-09-12 683 active_total_with_borders =
4562236b3bc0a2 Harry Wentland 2017-09-12 684 timing->h_addressable
4562236b3bc0a2 Harry Wentland 2017-09-12 685 + timing->h_border_left
4562236b3bc0a2 Harry Wentland 2017-09-12 686 + timing->h_border_right;
4562236b3bc0a2 Harry Wentland 2017-09-12 687
4562236b3bc0a2 Harry Wentland 2017-09-12 688 if (lane_count != 0)
4562236b3bc0a2 Harry Wentland 2017-09-12 689 early_control = active_total_with_borders % lane_count;
4562236b3bc0a2 Harry Wentland 2017-09-12 690
4562236b3bc0a2 Harry Wentland 2017-09-12 691 if (early_control == 0)
4562236b3bc0a2 Harry Wentland 2017-09-12 692 early_control = lane_count;
4562236b3bc0a2 Harry Wentland 2017-09-12 693
4562236b3bc0a2 Harry Wentland 2017-09-12 694 tg->funcs->set_early_control(tg, early_control);
4562236b3bc0a2 Harry Wentland 2017-09-12 695
4562236b3bc0a2 Harry Wentland 2017-09-12 696 /* enable audio only within mode set */
afaacef4827592 Harry Wentland 2017-07-30 697 if (pipe_ctx->stream_res.audio != NULL) {
4562236b3bc0a2 Harry Wentland 2017-09-12 698 if (dc_is_dp_signal(pipe_ctx->stream->signal))
8e9c4c8cf35ff2 Harry Wentland 2017-07-30 699 pipe_ctx->stream_res.stream_enc->funcs->dp_audio_enable(pipe_ctx->stream_res.stream_enc);
4562236b3bc0a2 Harry Wentland 2017-09-12 700 }
4562236b3bc0a2 Harry Wentland 2017-09-12 701
f215a57dca691c Eric Yang 2018-02-21 702
f215a57dca691c Eric Yang 2018-02-21 703
4562236b3bc0a2 Harry Wentland 2017-09-12 704
:::::: The code at line 661 was first introduced by commit
:::::: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c drm/amd/dc: Add dc display driver (v2)
:::::: TO: Harry Wentland <harry.wentland@....com>
:::::: CC: Alex Deucher <alexander.deucher@....com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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