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X-CSE-ConnectionGUID: aHmpZeNcSwqZ4EEJkF+yYQ== X-CSE-MsgGUID: v4uQWPeeQPGR81uqVpbOXA== X-IronPort-AV: E=McAfee;i="6700,10204,11266"; a="50032649" X-IronPort-AV: E=Sophos;i="6.12,182,1728975600"; d="scan'208";a="50032649" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2024 01:29:27 -0800 X-CSE-ConnectionGUID: 7QBII2+CSEi2FEIoGsVC1w== X-CSE-MsgGUID: vhG3nDZhRvSETyB5fdRrUw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,182,1728975600"; d="scan'208";a="91167848" Received: from klitkey1-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.246.243]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2024 01:29:21 -0800 From: Jani Nikula To: Louis Chauvet , =?utf-8?Q?Ma=C3=ADra?= Canal , Haneen Mohammed , Simona Vetter , Melissa Wen , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie Cc: arthurgrillo@riseup.net, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, nicolejadeyee@google.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Louis Chauvet Subject: Re: [PATCH RFC v2 11/18] drm/vkms: Introduce config for CRTC name In-Reply-To: <20241122-google-remove-crtc-index-from-parameter-v2-11-81540742535a@bootlin.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20241122-google-remove-crtc-index-from-parameter-v2-0-81540742535a@bootlin.com> <20241122-google-remove-crtc-index-from-parameter-v2-11-81540742535a@bootlin.com> Date: Mon, 25 Nov 2024 11:29:17 +0200 Message-ID: <87r06zy842.fsf@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Fri, 22 Nov 2024, Louis Chauvet wrote: > As a CRTC will be a directory in ConfigFS, add the name configuration for > CRTC name so we will be able to reflect the configfs directory name in the > drm name. > > Signed-off-by: Louis Chauvet > --- > drivers/gpu/drm/vkms/vkms_config.c | 5 +++++ > drivers/gpu/drm/vkms/vkms_config.h | 2 ++ > drivers/gpu/drm/vkms/vkms_crtc.c | 2 +- > 3 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms_config.c > index a2539fb56b602569b75748fdf9c4784f104b0bff..3252f657ce515c0193a8c0e709bfe861feba0aca 100644 > --- a/drivers/gpu/drm/vkms/vkms_config.c > +++ b/drivers/gpu/drm/vkms/vkms_config.c > @@ -37,6 +37,10 @@ struct vkms_config *vkms_config_alloc_default(bool enable_writeback, bool enable > if (!crtc) > goto err_alloc; > crtc->writeback = enable_writeback; > + crtc->name = kzalloc(sizeof("Main CRTC"), GFP_KERNEL); > + if (!crtc->name) > + goto err_alloc; > + sprintf(crtc->name, "Main CRTC"); Ditto, kstrdup() > > encoder = vkms_config_create_encoder(vkms_config); > if (!encoder) > @@ -219,6 +223,7 @@ void vkms_config_delete_crtc(struct vkms_config_crtc *vkms_config_crtc, > } > } > > + kfree(vkms_config_crtc->name); > kfree(vkms_config_crtc); > } > > diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms_config.h > index 4223edd94ec270915dd658c0b5efd489554d33a5..4a4c16dea7855cf36060986ef247be698974fafc 100644 > --- a/drivers/gpu/drm/vkms/vkms_config.h > +++ b/drivers/gpu/drm/vkms/vkms_config.h > @@ -29,6 +29,7 @@ struct vkms_config { > * struct vkms_config_crtc > * > * @link: Link to the others CRTCs > + * @name: Name of the CRTC > * @possible_planes: List of planes that can be used with this CRTC > * @possible_encoders: List of encoders that can be used with this CRTC > * @crtc: Internal usage. This pointer should never be considered as valid. It can be used to > @@ -38,6 +39,7 @@ struct vkms_config { > struct vkms_config_crtc { > struct list_head link; > > + char *name; > bool writeback; > struct xarray possible_planes; > struct xarray possible_encoders; > diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c > index 3825fba57c012f84cbe67114e053dcd7fcfa283d..25a3d97a362afd0d40f3e023d9cce985d447a880 100644 > --- a/drivers/gpu/drm/vkms/vkms_crtc.c > +++ b/drivers/gpu/drm/vkms/vkms_crtc.c > @@ -292,7 +292,7 @@ struct vkms_crtc *vkms_crtc_init(struct vkms_device *vkms_device, > > vkms_crtc = drmm_crtc_alloc_with_planes(dev, struct vkms_crtc, base, > primary, cursor, > - &vkms_crtc_funcs, NULL); > + &vkms_crtc_funcs, config->name); > if (IS_ERR(vkms_crtc)) { > DRM_DEV_ERROR(dev->dev, "Failed to init CRTC\n"); > return vkms_crtc; -- Jani Nikula, Intel