linux-kernel - drivers/gpu/drm/i915/display/intel_ddi.c:2225:7-13: opportunity for str_enabled

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Message-ID: <14b98e31-4cf-1021-e61d-6ac0eb87feb@inria.fr>
Date: Mon, 7 Oct 2024 12:24:31 +0200 (CEST)
From: Julia Lawall <julia.lawall@...ia.fr>
To: Imre Deak <imre.deak@...el.com>, 
    Stanislav Lisovskiy <stanislav.lisovskiy@...el.com>, 
    linux-kernel@...r.kernel.org
cc: oe-kbuild-all@...ts.linux.dev
Subject: drivers/gpu/drm/i915/display/intel_ddi.c:2225:7-13: opportunity for
 str_enabled_disabled(enable) (fwd)



---------- Forwarded message ----------
Date: Mon, 7 Oct 2024 17:01:39 +0800
From: kernel test robot <lkp@...el.com>
To: oe-kbuild@...ts.linux.dev
Cc: lkp@...el.com, Julia Lawall <julia.lawall@...ia.fr>
Subject: drivers/gpu/drm/i915/display/intel_ddi.c:2225:7-13: opportunity for
    str_enabled_disabled(enable)

BCC: lkp@...el.com
CC: oe-kbuild-all@...ts.linux.dev
CC: linux-kernel@...r.kernel.org
TO: Imre Deak <imre.deak@...el.com>
CC: Stanislav Lisovskiy <stanislav.lisovskiy@...el.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8cf0b93919e13d1e8d4466eb4080a4c4d9d66d7b
commit: 8ab5a03643fc529f0e8663bc4d5b43f8f6885922 drm/i915/dp: Disable FEC ready flag in the sink
date:   11 months ago
:::::: branch date: 10 hours ago
:::::: commit date: 11 months ago
config: x86_64-randconfig-102-20241007 (https://download.01.org/0day-ci/archive/20241007/202410071601.TFpXoqgW-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Reported-by: Julia Lawall <julia.lawall@...ia.fr>
| Closes: https://lore.kernel.org/r/202410071601.TFpXoqgW-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/i915/display/intel_ddi.c:2225:7-13: opportunity for str_enabled_disabled(enable)

vim +2225 drivers/gpu/drm/i915/display/intel_ddi.c

1639406a31c23ca drivers/gpu/drm/i915/display/intel_ddi.c Manasi Navare   2021-01-22  2212
a322b97589a6af4 drivers/gpu/drm/i915/intel_ddi.c         Anusha Srivatsa 2018-11-28  2213  static void intel_dp_sink_set_fec_ready(struct intel_dp *intel_dp,
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2214  					const struct intel_crtc_state *crtc_state,
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2215  					bool enable)
a322b97589a6af4 drivers/gpu/drm/i915/intel_ddi.c         Anusha Srivatsa 2018-11-28  2216  {
47bdb1caba0bc5a drivers/gpu/drm/i915/display/intel_ddi.c Jani Nikula     2020-03-20  2217  	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
47bdb1caba0bc5a drivers/gpu/drm/i915/display/intel_ddi.c Jani Nikula     2020-03-20  2218
a322b97589a6af4 drivers/gpu/drm/i915/intel_ddi.c         Anusha Srivatsa 2018-11-28  2219  	if (!crtc_state->fec_enable)
a322b97589a6af4 drivers/gpu/drm/i915/intel_ddi.c         Anusha Srivatsa 2018-11-28  2220  		return;
a322b97589a6af4 drivers/gpu/drm/i915/intel_ddi.c         Anusha Srivatsa 2018-11-28  2221
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2222  	if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_FEC_CONFIGURATION,
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2223  			       enable ? DP_FEC_READY : 0) <= 0)
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2224  		drm_dbg_kms(&i915->drm, "Failed to set FEC_READY to %s in the sink\n",
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24 @2225  			    enable ? "enabled" : "disabled");
6e916b35afa8a37 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2226
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2227  	if (enable &&
8ab5a03643fc529 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2228  	    drm_dp_dpcd_writeb(&intel_dp->aux, DP_FEC_STATUS,
6e916b35afa8a37 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2229  			       DP_FEC_DECODE_EN_DETECTED | DP_FEC_DECODE_DIS_DETECTED) <= 0)
6e916b35afa8a37 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2230  		drm_dbg_kms(&i915->drm, "Failed to clear FEC detected flags\n");
6e916b35afa8a37 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2231  }
6e916b35afa8a37 drivers/gpu/drm/i915/display/intel_ddi.c Imre Deak       2023-10-24  2232

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