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From:   Jani Nikula <jani.nikula@linux.intel.com>
To:     Lucas De Marchi <lucas.demarchi@intel.com>,
        linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
        linux-security-module@vger.kernel.org,
        nouveau@lists.freedesktop.org, netdev@vger.kernel.org
Cc:     Alex Deucher <alexander.deucher@amd.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        Ben Skeggs <bskeggs@redhat.com>,
        Christian =?utf-8?Q?K=C3=B6nig?= <christian.koenig@amd.com>,
        Chris Wilson <chris@chris-wilson.co.uk>,
        Daniel Vetter <daniel@ffwll.ch>,
        David Airlie <airlied@linux.ie>,
        "David S. Miller" <davem@davemloft.net>,
        Emma Anholt <emma@anholt.net>,
        Francis Laniel <laniel_francis@privacyrequired.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Harry Wentland <harry.wentland@amd.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        Julia Lawall <julia.lawall@lip6.fr>,
        Kentaro Takeda <takedakn@nttdata.co.jp>,
        Leo Li <sunpeng.li@amd.com>, Petr Mladek <pmladek@suse.com>,
        Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>,
        Raju Rangoju <rajur@chelsio.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Vishal Kulkarni <vishal@chelsio.com>
Subject: Re: [PATCH v2 09/11] drm: Convert open-coded yes/no strings to yesno()
In-Reply-To: <20220126093951.1470898-10-lucas.demarchi@intel.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
References: <20220126093951.1470898-1-lucas.demarchi@intel.com>
 <20220126093951.1470898-10-lucas.demarchi@intel.com>
Date:   Wed, 26 Jan 2022 16:57:18 +0200
Message-ID: <87y232y27l.fsf@intel.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

On Wed, 26 Jan 2022, Lucas De Marchi <lucas.demarchi@intel.com> wrote:
> linux/string_helpers.h provides a helper to return "yes"/"no" strings.
> Replace the open coded versions with str_yes_no(). The places were
> identified with the following semantic patch:
>
> 	@@
> 	expression b;
> 	@@
>
> 	- b ? "yes" : "no"
> 	+ str_yes_no(b)
>
> Then the includes were added, so we include-what-we-use, and parenthesis
> adjusted in drivers/gpu/drm/v3d/v3d_debugfs.c. After the conversion we
> still see the same binary sizes:
>
>    text    data     bss     dec     hex filename
>   51149    3295     212   54656    d580 virtio/virtio-gpu.ko.old
>   51149    3295     212   54656    d580 virtio/virtio-gpu.ko
> 1441491   60340     800 1502631  16eda7 radeon/radeon.ko.old
> 1441491   60340     800 1502631  16eda7 radeon/radeon.ko
> 6125369  328538   34000 6487907  62ff63 amd/amdgpu/amdgpu.ko.old
> 6125369  328538   34000 6487907  62ff63 amd/amdgpu/amdgpu.ko
>  411986   10490    6176  428652   68a6c drm.ko.old
>  411986   10490    6176  428652   68a6c drm.ko
>   98129    1636     264  100029   186bd dp/drm_dp_helper.ko.old
>   98129    1636     264  100029   186bd dp/drm_dp_helper.ko
> 1973432  109640    2352 2085424  1fd230 nouveau/nouveau.ko.old
> 1973432  109640    2352 2085424  1fd230 nouveau/nouveau.ko
>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

Reviewed-by: Jani Nikula <jani.nikula@intel.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/atom.c             |  4 +++-
>  drivers/gpu/drm/dp/drm_dp.c                   |  3 ++-
>  drivers/gpu/drm/drm_client_modeset.c          |  3 ++-
>  drivers/gpu/drm/drm_gem.c                     |  3 ++-
>  drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c |  5 ++++-
>  drivers/gpu/drm/radeon/atom.c                 |  3 ++-
>  drivers/gpu/drm/v3d/v3d_debugfs.c             | 11 ++++++-----
>  drivers/gpu/drm/virtio/virtgpu_debugfs.c      |  4 +++-
>  8 files changed, 24 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
> index 6fa2229b7229..1c5d9388ad0b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/atom.c
> +++ b/drivers/gpu/drm/amd/amdgpu/atom.c
> @@ -25,6 +25,8 @@
>  #include <linux/module.h>
>  #include <linux/sched.h>
>  #include <linux/slab.h>
> +#include <linux/string_helpers.h>
> +
>  #include <asm/unaligned.h>
>  
>  #include <drm/drm_util.h>
> @@ -740,7 +742,7 @@ static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
>  		break;
>  	}
>  	if (arg != ATOM_COND_ALWAYS)
> -		SDEBUG("   taken: %s\n", execute ? "yes" : "no");
> +		SDEBUG("   taken: %s\n", str_yes_no(execute));
>  	SDEBUG("   target: 0x%04X\n", target);
>  	if (execute) {
>  		if (ctx->last_jump == (ctx->start + target)) {
> diff --git a/drivers/gpu/drm/dp/drm_dp.c b/drivers/gpu/drm/dp/drm_dp.c
> index 6d43325acca5..c43577c8ac4d 100644
> --- a/drivers/gpu/drm/dp/drm_dp.c
> +++ b/drivers/gpu/drm/dp/drm_dp.c
> @@ -28,6 +28,7 @@
>  #include <linux/module.h>
>  #include <linux/sched.h>
>  #include <linux/seq_file.h>
> +#include <linux/string_helpers.h>
>  
>  #include <drm/dp/drm_dp_helper.h>
>  #include <drm/drm_print.h>
> @@ -1239,7 +1240,7 @@ void drm_dp_downstream_debug(struct seq_file *m,
>  	bool branch_device = drm_dp_is_branch(dpcd);
>  
>  	seq_printf(m, "\tDP branch device present: %s\n",
> -		   branch_device ? "yes" : "no");
> +		   str_yes_no(branch_device));
>  
>  	if (!branch_device)
>  		return;
> diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
> index ced09c7c06f9..e6346a67cd98 100644
> --- a/drivers/gpu/drm/drm_client_modeset.c
> +++ b/drivers/gpu/drm/drm_client_modeset.c
> @@ -11,6 +11,7 @@
>  #include <linux/module.h>
>  #include <linux/mutex.h>
>  #include <linux/slab.h>
> +#include <linux/string_helpers.h>
>  
>  #include <drm/drm_atomic.h>
>  #include <drm/drm_client.h>
> @@ -241,7 +242,7 @@ static void drm_client_connectors_enabled(struct drm_connector **connectors,
>  		connector = connectors[i];
>  		enabled[i] = drm_connector_enabled(connector, true);
>  		DRM_DEBUG_KMS("connector %d enabled? %s\n", connector->base.id,
> -			      connector->display_info.non_desktop ? "non desktop" : enabled[i] ? "yes" : "no");
> +			      connector->display_info.non_desktop ? "non desktop" : str_yes_no(enabled[i]));
>  
>  		any_enabled |= enabled[i];
>  	}
> diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
> index 21631c22b374..3c888db59ea4 100644
> --- a/drivers/gpu/drm/drm_gem.c
> +++ b/drivers/gpu/drm/drm_gem.c
> @@ -37,6 +37,7 @@
>  #include <linux/pagevec.h>
>  #include <linux/shmem_fs.h>
>  #include <linux/slab.h>
> +#include <linux/string_helpers.h>
>  #include <linux/types.h>
>  #include <linux/uaccess.h>
>  
> @@ -1145,7 +1146,7 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
>  			  drm_vma_node_start(&obj->vma_node));
>  	drm_printf_indent(p, indent, "size=%zu\n", obj->size);
>  	drm_printf_indent(p, indent, "imported=%s\n",
> -			  obj->import_attach ? "yes" : "no");
> +			  str_yes_no(obj->import_attach));
>  
>  	if (obj->funcs->print_info)
>  		obj->funcs->print_info(p, indent, obj);
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
> index a11637b0f6cc..d063d0dc13c5 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
> @@ -21,6 +21,9 @@
>   *
>   * Authors: Ben Skeggs
>   */
> +
> +#include <linux/string_helpers.h>
> +
>  #include "aux.h"
>  #include "pad.h"
>  
> @@ -94,7 +97,7 @@ void
>  nvkm_i2c_aux_monitor(struct nvkm_i2c_aux *aux, bool monitor)
>  {
>  	struct nvkm_i2c_pad *pad = aux->pad;
> -	AUX_TRACE(aux, "monitor: %s", monitor ? "yes" : "no");
> +	AUX_TRACE(aux, "monitor: %s", str_yes_no(monitor));
>  	if (monitor)
>  		nvkm_i2c_pad_mode(pad, NVKM_I2C_PAD_AUX);
>  	else
> diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
> index f15b20da5315..c1bbfbe28bda 100644
> --- a/drivers/gpu/drm/radeon/atom.c
> +++ b/drivers/gpu/drm/radeon/atom.c
> @@ -25,6 +25,7 @@
>  #include <linux/module.h>
>  #include <linux/sched.h>
>  #include <linux/slab.h>
> +#include <linux/string_helpers.h>
>  
>  #include <asm/unaligned.h>
>  
> @@ -722,7 +723,7 @@ static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
>  		break;
>  	}
>  	if (arg != ATOM_COND_ALWAYS)
> -		SDEBUG("   taken: %s\n", execute ? "yes" : "no");
> +		SDEBUG("   taken: %s\n", str_yes_no(execute));
>  	SDEBUG("   target: 0x%04X\n", target);
>  	if (execute) {
>  		if (ctx->last_jump == (ctx->start + target)) {
> diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c
> index e76b24bb8828..29fd13109e43 100644
> --- a/drivers/gpu/drm/v3d/v3d_debugfs.c
> +++ b/drivers/gpu/drm/v3d/v3d_debugfs.c
> @@ -6,6 +6,7 @@
>  #include <linux/debugfs.h>
>  #include <linux/pm_runtime.h>
>  #include <linux/seq_file.h>
> +#include <linux/string_helpers.h>
>  
>  #include <drm/drm_debugfs.h>
>  
> @@ -148,15 +149,15 @@ static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused)
>  		   V3D_GET_FIELD(ident3, V3D_HUB_IDENT3_IPREV),
>  		   V3D_GET_FIELD(ident3, V3D_HUB_IDENT3_IPIDX));
>  	seq_printf(m, "MMU:        %s\n",
> -		   (ident2 & V3D_HUB_IDENT2_WITH_MMU) ? "yes" : "no");
> +		   str_yes_no(ident2 & V3D_HUB_IDENT2_WITH_MMU));
>  	seq_printf(m, "TFU:        %s\n",
> -		   (ident1 & V3D_HUB_IDENT1_WITH_TFU) ? "yes" : "no");
> +		   str_yes_no(ident1 & V3D_HUB_IDENT1_WITH_TFU));
>  	seq_printf(m, "TSY:        %s\n",
> -		   (ident1 & V3D_HUB_IDENT1_WITH_TSY) ? "yes" : "no");
> +		   str_yes_no(ident1 & V3D_HUB_IDENT1_WITH_TSY));
>  	seq_printf(m, "MSO:        %s\n",
> -		   (ident1 & V3D_HUB_IDENT1_WITH_MSO) ? "yes" : "no");
> +		   str_yes_no(ident1 & V3D_HUB_IDENT1_WITH_MSO));
>  	seq_printf(m, "L3C:        %s (%dkb)\n",
> -		   (ident1 & V3D_HUB_IDENT1_WITH_L3C) ? "yes" : "no",
> +		   str_yes_no(ident1 & V3D_HUB_IDENT1_WITH_L3C),
>  		   V3D_GET_FIELD(ident2, V3D_HUB_IDENT2_L3C_NKB));
>  
>  	for (core = 0; core < cores; core++) {
> diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
> index b6954e2f75e6..853dd9aa397e 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
> @@ -23,6 +23,8 @@
>   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
>   */
>  
> +#include <linux/string_helpers.h>
> +
>  #include <drm/drm_debugfs.h>
>  #include <drm/drm_file.h>
>  
> @@ -31,7 +33,7 @@
>  static void virtio_gpu_add_bool(struct seq_file *m, const char *name,
>  				bool value)
>  {
> -	seq_printf(m, "%-16s : %s\n", name, value ? "yes" : "no");
> +	seq_printf(m, "%-16s : %s\n", name, str_yes_no(value));
>  }
>  
>  static void virtio_gpu_add_int(struct seq_file *m, const char *name, int value)

-- 
Jani Nikula, Intel Open Source Graphics Center