From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B4E338DDB; Fri, 1 Aug 2025 14:08:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.196 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754057302; cv=none; b=lH1k0xQ9qX1HDvTscDdpishA98AwcM2zKfk5U1Eu2wQOb4DzbTh2O4kR3/IdhNfV59fkV+KXr7LcdHXzHxkqgFeXT8lcvYuGsey8zgvDHo9CQhCA9UubfJ7mLpT9PCSFef3y5Z/h1BuN/hoi9/Uk9pVBYfZIEqTpy+2LbhDA6c4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754057302; c=relaxed/simple; bh=G3HMOcTIL4d5zAXvONZ+7AlTTiOgrSqBZLKMXTE5R48=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gNG0xIhEGEJrCdgYMrtSI+0v7i5MeNOvfYOXYvyQa7RgBi+axGq/npdtlm4n6an8lE88QvqxSp7kDOWWPcctsARVStuyI2Me8sgmF4JVPmrViuYh1+Xq5wkbNJDZNkXpdDFF6D24xlBhcHjTx88ySy6KuhJgkDaBp1G06kXorF4= ARC-Authentication-Results:i=1; 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bh=bMs8CmXxlCL5em1U2cNHyW434Syw+11/Rs9F/pxqQnc=; b=lwESAIfc4K1NTo02wUMiSzM0b1E3YQ7Avsfpe4bTcJKwQUJKOxQTmZIewJ5l41efE/gxbj 4PabRfjEvWpl8m8/2pMPsbf2DHn5coVpFkRtBLWsDtBRahqJDUPdHiK3RQBYRVP+n+zlPa KzjE7GZkUjvBpMjO+0ndIDkdH8/t7394EEyDIyH6FU2nQfaxJCw5jRhu2prKAX89HvxDkN gQwqY7uj2/WCqRoHS/Yll9Cl/WduXWD7A6Vqx8ll6l7J0DBl+zQSUOOJsFqZ3ziNcR8H+c YC5xvTdc91YjS5ji28HzIFYvIqj3NBbpCqbID8812z39tLu+/mfIim+pG8STVw== Message-ID: Date: Fri, 1 Aug 2025 16:08:06 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/8] drm/amd/display: use drmm_writeback_connector_init() To: Dmitry Baryshkov , Jani Nikula , "Kandpal, Suraj" , Harry Wentland , Leo Li , Rodrigo Siqueira , Alex Deucher , =?UTF-8?Q?Christian_K=C3=B6nig?= , David Airlie , Simona Vetter , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Laurent Pinchart , Tomi Valkeinen , Kieran Bingham , Geert Uytterhoeven , Magnus Damm , Dave Stevenson , =?UTF-8?Q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org References: <20250801-wb-drop-encoder-v1-0-824646042f7d@oss.qualcomm.com> <20250801-wb-drop-encoder-v1-1-824646042f7d@oss.qualcomm.com> Content-Language: en-US From: Louis Chauvet Autocrypt: addr=louis.chauvet@bootlin.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgddutdefkeelucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefkffggfgfuvfevfhfhjggtgfesthekredttddvjeenucfhrhhomhepnfhouhhishcuvehhrghuvhgvthcuoehlohhuihhsrdgthhgruhhvvghtsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeekieevtdefgedtkeehteehtddttdefhffhgeejleejjeeluddvhfdugedvkeehveenucffohhmrghinhepsghoohhtlhhinhdrtghomhenucfkphepledtrdekledrudeifedruddvjeenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepihhnvghtpeeltddrkeelrdduieefrdduvdejpdhhvghloheplgduledvrdduieekrddtrddvtdgnpdhmrghilhhfrhhomheplhhouhhishdrtghhrghuvhgvthessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepfeegpdhrtghpthhtohepughmihhtrhihrdgsrghrhihshhhkohhvsehoshhsrdhquhgrlhgtohhmmhdrtghomhdprhgtphhtthhopehjrghnihdrnhhikhhulhgrsehlihhnuhigrdhinhhtvghlrdgtohhmpdhrtghpthhtohepshhurhgrjhdrkhgrnhguphgrlhesihhnthgvlhdrtghomhdprhgtphhtthhopehhrghrrhihrdifvghnt hhlrghnugesrghmugdrtghomhdprhgtphhtthhopehsuhhnphgvnhhgrdhlihesrghmugdrtghomhdprhgtphhtthhopehsihhquhgvihhrrgesihhgrghlihgrrdgtohhmpdhrtghpthhtoheprghlvgigrghnuggvrhdruggvuhgthhgvrhesrghmugdrtghomhdprhgtphhtthhopegthhhrihhsthhirghnrdhkohgvnhhighesrghmugdrtghomh X-GND-Sasl: louis.chauvet@bootlin.com Le 01/08/2025 à 15:51, Dmitry Baryshkov a écrit : > Use drmm_plain_encoder_alloc() to allocate simple encoder and > drmm_writeback_connector_init() in order to initialize writeback > connector instance. > > Signed-off-by: Dmitry Baryshkov Reviewed-by: Louis Chauvet > --- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c | 18 +++++++++++++----- > 2 files changed, 14 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > index 096b23ad4845d365dad707deed4e3e84b1f9945d..a9948e8d67a6e9556d21090b5cdd101258d62480 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > @@ -10003,7 +10003,7 @@ static void dm_set_writeback(struct amdgpu_display_manager *dm, > return; > } > > - acrtc = to_amdgpu_crtc(wb_conn->encoder.crtc); > + acrtc = to_amdgpu_crtc(crtc_state->base.crtc); > if (!acrtc) { > drm_err(adev_to_drm(adev), "no amdgpu_crtc found\n"); > kfree(wb_info); > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c > index d9527c05fc878ef6916782ff9fde847813938461..80c37487ca77c0494eaf769c5b9a3c53486aa52d 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c > @@ -171,7 +171,6 @@ static const struct drm_encoder_helper_funcs amdgpu_dm_wb_encoder_helper_funcs = > > static const struct drm_connector_funcs amdgpu_dm_wb_connector_funcs = { > .fill_modes = drm_helper_probe_single_connector_modes, > - .destroy = drm_connector_cleanup, > .reset = amdgpu_dm_connector_funcs_reset, > .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state, > .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, > @@ -190,17 +189,26 @@ int amdgpu_dm_wb_connector_init(struct amdgpu_display_manager *dm, > struct dc *dc = dm->dc; > struct dc_link *link = dc_get_link_at_index(dc, link_index); > int res = 0; > + struct drm_encoder *encoder; > + > + encoder = drmm_plain_encoder_alloc(&dm->adev->ddev, NULL, > + DRM_MODE_ENCODER_VIRTUAL, NULL); > + if (IS_ERR(encoder)) > + return PTR_ERR(encoder); > + > + drm_encoder_helper_add(encoder, &amdgpu_dm_wb_encoder_helper_funcs); > + > + encoder->possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(dm->adev); > > wbcon->link = link; > > drm_connector_helper_add(&wbcon->base.base, &amdgpu_dm_wb_conn_helper_funcs); > > - res = drm_writeback_connector_init(&dm->adev->ddev, &wbcon->base, > + res = drmm_writeback_connector_init(&dm->adev->ddev, &wbcon->base, > &amdgpu_dm_wb_connector_funcs, > - &amdgpu_dm_wb_encoder_helper_funcs, > + encoder, > amdgpu_dm_wb_formats, > - ARRAY_SIZE(amdgpu_dm_wb_formats), > - amdgpu_dm_get_encoder_crtc_mask(dm->adev)); > + ARRAY_SIZE(amdgpu_dm_wb_formats)); > > if (res) > return res; > -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com