[PATCH] drm/amd/display: fix gcc set but not used warning of variable 'link_bandwidth_kbps'
kernel test robot
lkp at intel.com
Sat May 29 12:59:49 UTC 2021
Hi Yu,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20210528]
[cannot apply to linus/master v5.13-rc3 v5.13-rc2 v5.13-rc1 v5.13-rc3]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Yu-Kuai/drm-amd-display-fix-gcc-set-but-not-used-warning-of-variable-link_bandwidth_kbps/20210529-172249
base: 3e029760e6f8ce90c122c267a039ae73b3f1f5a4
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
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://github.com/0day-ci/linux/commit/c93bfe4f39d5c59531a0903c476df1f7319c06d1
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Yu-Kuai/drm-amd-display-fix-gcc-set-but-not-used-warning-of-variable-link_bandwidth_kbps/20210529-172249
git checkout c93bfe4f39d5c59531a0903c476df1f7319c06d1
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5613:1: error: expected identifier or '(' before '}' token
5613 | }
| ^
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'validate_overlay':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:10066:26: warning: variable 'old_plane_state' set but not used [-Wunused-but-set-variable]
10066 | struct drm_plane_state *old_plane_state, *new_plane_state;
| ^~~~~~~~~~~~~~~
At top level:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5556:13: warning: 'update_dsc_caps' defined but not used [-Wunused-function]
5556 | static void update_dsc_caps(struct amdgpu_dm_connector *aconnector,
| ^~~~~~~~~~~~~~~
vim +5613 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5571
c93bfe4f39d5c5 Yu Kuai 2021-05-29 5572 #if defined(CONFIG_DRM_AMD_DC_DCN)
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5573 static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5574 struct dc_sink *sink, struct dc_stream_state *stream,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5575 struct dsc_dec_dpcd_caps *dsc_caps)
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5576 {
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5577 struct drm_connector *drm_connector = &aconnector->base;
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5578 uint32_t link_bandwidth_kbps;
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5579
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5580 link_bandwidth_kbps = dc_link_bandwidth_kbps(aconnector->dc_link,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5581 dc_link_get_link_cap(aconnector->dc_link));
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5582 /* Set DSC policy according to dsc_clock_en */
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5583 dc_dsc_policy_set_enable_dsc_when_not_needed(
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5584 aconnector->dsc_settings.dsc_force_enable == DSC_CLK_FORCE_ENABLE);
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5585
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5586 if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT) {
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5587
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5588 if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0],
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5589 dsc_caps,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5590 aconnector->dc_link->ctx->dc->debug.dsc_min_slice_height_override,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5591 0,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5592 link_bandwidth_kbps,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5593 &stream->timing,
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5594 &stream->timing.dsc_cfg)) {
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5595 stream->timing.flags.DSC = 1;
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5596 DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from SST RX\n", __func__, drm_connector->name);
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5597 }
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5598 }
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5599
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5600 /* Overwrite the stream flag if DSC is enabled through debugfs */
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5601 if (aconnector->dsc_settings.dsc_force_enable == DSC_CLK_FORCE_ENABLE)
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5602 stream->timing.flags.DSC = 1;
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5603
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5604 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_num_slices_h)
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5605 stream->timing.dsc_cfg.num_slices_h = aconnector->dsc_settings.dsc_num_slices_h;
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5606
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5607 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_num_slices_v)
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5608 stream->timing.dsc_cfg.num_slices_v = aconnector->dsc_settings.dsc_num_slices_v;
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5609
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5610 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_bits_per_pixel)
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5611 stream->timing.dsc_cfg.bits_per_pixel = aconnector->dsc_settings.dsc_bits_per_pixel;
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5612 #endif
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 @5613 }
998b7ad2efd4c5 Fangzhi Zuo 2021-05-13 5614
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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