* [PATCH -next] drm/i915: remove unreachable code
@ 2023-05-31 2:17 Yang Li
2023-05-31 9:22 ` [Intel-gfx] " Andi Shyti
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Yang Li @ 2023-05-31 2:17 UTC (permalink / raw)
To: airlied
Cc: tvrtko.ursulin, intel-gfx, Abaci Robot, linux-kernel, Yang Li,
dri-devel, rodrigo.vivi
The code after the return will not be executed, so remove them.
Eliminate the following warning:
drivers/gpu/drm/i915/display/intel_color.c:1808 intel_color_prepare_commit() warn: ignoring unreachable code.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5342
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
drivers/gpu/drm/i915/display/intel_color.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 8966e6560516..0bfebac1e3e2 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -1804,11 +1804,6 @@ void intel_color_prepare_commit(struct intel_crtc_state *crtc_state)
/* FIXME DSB has issues loading LUTs, disable it for now */
return;
-
- if (!crtc_state->pre_csc_lut && !crtc_state->post_csc_lut)
- return;
-
- crtc_state->dsb = intel_dsb_prepare(crtc, 1024);
}
void intel_color_cleanup_commit(struct intel_crtc_state *crtc_state)
--
2.20.1.7.g153144c
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [Intel-gfx] [PATCH -next] drm/i915: remove unreachable code
2023-05-31 2:17 [PATCH -next] drm/i915: remove unreachable code Yang Li
@ 2023-05-31 9:22 ` Andi Shyti
2023-05-31 15:32 ` kernel test robot
2023-05-31 16:13 ` kernel test robot
2 siblings, 0 replies; 4+ messages in thread
From: Andi Shyti @ 2023-05-31 9:22 UTC (permalink / raw)
To: Yang Li; +Cc: intel-gfx, Abaci Robot, linux-kernel, dri-devel, rodrigo.vivi
Hi Yang,
On Wed, May 31, 2023 at 10:17:14AM +0800, Yang Li wrote:
> The code after the return will not be executed, so remove them.
>
> Eliminate the following warning:
> drivers/gpu/drm/i915/display/intel_color.c:1808 intel_color_prepare_commit() warn: ignoring unreachable code.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5342
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
> ---
> drivers/gpu/drm/i915/display/intel_color.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
> index 8966e6560516..0bfebac1e3e2 100644
> --- a/drivers/gpu/drm/i915/display/intel_color.c
> +++ b/drivers/gpu/drm/i915/display/intel_color.c
> @@ -1804,11 +1804,6 @@ void intel_color_prepare_commit(struct intel_crtc_state *crtc_state)
>
> /* FIXME DSB has issues loading LUTs, disable it for now */
> return;
> -
> - if (!crtc_state->pre_csc_lut && !crtc_state->post_csc_lut)
> - return;
> -
> - crtc_state->dsb = intel_dsb_prepare(crtc, 1024);
yeah... it's an ugly bit, from my side:
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
but would be nice to hear from Ville who has added the return in
a first place.
Andi
> }
>
> void intel_color_cleanup_commit(struct intel_crtc_state *crtc_state)
> --
> 2.20.1.7.g153144c
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH -next] drm/i915: remove unreachable code
2023-05-31 2:17 [PATCH -next] drm/i915: remove unreachable code Yang Li
2023-05-31 9:22 ` [Intel-gfx] " Andi Shyti
@ 2023-05-31 15:32 ` kernel test robot
2023-05-31 16:13 ` kernel test robot
2 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2023-05-31 15:32 UTC (permalink / raw)
To: Yang Li, airlied
Cc: tvrtko.ursulin, intel-gfx, rodrigo.vivi, Abaci Robot,
linux-kernel, dri-devel, Yang Li, oe-kbuild-all
Hi Yang,
kernel test robot noticed the following build errors:
[auto build test ERROR on next-20230530]
url: https://github.com/intel-lab-lkp/linux/commits/Yang-Li/drm-i915-remove-unreachable-code/20230531-101832
base: next-20230530
patch link: https://lore.kernel.org/r/20230531021714.125078-1-yang.lee%40linux.alibaba.com
patch subject: [PATCH -next] drm/i915: remove unreachable code
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230531/202305312340.S0eChDKB-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/58232a66b9d21d80bc6b478e2a8fb1443da3adfc
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Yang-Li/drm-i915-remove-unreachable-code/20230531-101832
git checkout 58232a66b9d21d80bc6b478e2a8fb1443da3adfc
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305312340.S0eChDKB-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/gpu/drm/i915/display/intel_color.c: In function 'intel_color_prepare_commit':
>> drivers/gpu/drm/i915/display/intel_color.c:1803:28: error: unused variable 'crtc' [-Werror=unused-variable]
1803 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
| ^~~~
cc1: all warnings being treated as errors
vim +/crtc +1803 drivers/gpu/drm/i915/display/intel_color.c
3962ca4e080a52 Ville Syrjälä 2023-03-20 1800
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1801 void intel_color_prepare_commit(struct intel_crtc_state *crtc_state)
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1802 {
b358c3b98813b1 Ville Syrjälä 2022-11-23 @1803 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
b358c3b98813b1 Ville Syrjälä 2022-11-23 1804
2487ae0bcb53a7 Ville Syrjälä 2022-11-23 1805 /* FIXME DSB has issues loading LUTs, disable it for now */
2487ae0bcb53a7 Ville Syrjälä 2022-11-23 1806 return;
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1807 }
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1808
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH -next] drm/i915: remove unreachable code
2023-05-31 2:17 [PATCH -next] drm/i915: remove unreachable code Yang Li
2023-05-31 9:22 ` [Intel-gfx] " Andi Shyti
2023-05-31 15:32 ` kernel test robot
@ 2023-05-31 16:13 ` kernel test robot
2 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2023-05-31 16:13 UTC (permalink / raw)
To: Yang Li, airlied
Cc: tvrtko.ursulin, intel-gfx, rodrigo.vivi, Abaci Robot,
linux-kernel, dri-devel, Yang Li, oe-kbuild-all
Hi Yang,
kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20230530]
url: https://github.com/intel-lab-lkp/linux/commits/Yang-Li/drm-i915-remove-unreachable-code/20230531-101832
base: next-20230530
patch link: https://lore.kernel.org/r/20230531021714.125078-1-yang.lee%40linux.alibaba.com
patch subject: [PATCH -next] drm/i915: remove unreachable code
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20230601/202306010001.gUxZYcyb-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/58232a66b9d21d80bc6b478e2a8fb1443da3adfc
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Yang-Li/drm-i915-remove-unreachable-code/20230531-101832
git checkout 58232a66b9d21d80bc6b478e2a8fb1443da3adfc
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306010001.gUxZYcyb-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/gpu/drm/i915/display/intel_color.c: In function 'intel_color_prepare_commit':
>> drivers/gpu/drm/i915/display/intel_color.c:1803:28: warning: unused variable 'crtc' [-Wunused-variable]
1803 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
| ^~~~
vim +/crtc +1803 drivers/gpu/drm/i915/display/intel_color.c
3962ca4e080a52 Ville Syrjälä 2023-03-20 1800
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1801 void intel_color_prepare_commit(struct intel_crtc_state *crtc_state)
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1802 {
b358c3b98813b1 Ville Syrjälä 2022-11-23 @1803 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
b358c3b98813b1 Ville Syrjälä 2022-11-23 1804
2487ae0bcb53a7 Ville Syrjälä 2022-11-23 1805 /* FIXME DSB has issues loading LUTs, disable it for now */
2487ae0bcb53a7 Ville Syrjälä 2022-11-23 1806 return;
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1807 }
efb2b57edf20c3 Ville Syrjälä 2022-11-23 1808
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
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2023-05-31 9:22 ` [Intel-gfx] " Andi Shyti
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2023-05-31 16:13 ` kernel test robot
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