From nobody Thu Apr 2 15:43:38 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9DC0366DD6 for ; Tue, 10 Feb 2026 14:13:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770732798; cv=none; b=onQ5LnPJ/O4HbLcsa/ikmovVenWT6JTkHSy5v1arQlD+PMkFEuMurtMiaL9hNXEK3m2ELlnWv9kOuUWs0JrweDZQQ0O9v5gAHDcr6WKZZgoLEdQnRnsQDkplcAkoSxcRO+nqEWqbmjdehwRyjWk4GENEu1I2cpjB/i/VAvwc4Go= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770732798; c=relaxed/simple; bh=qdUN5+/RRDaRgxiOe90RJ2oLB7oIAxjoOSl3MkiWTmU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=F6aW9nP7eKTt0IJyiGYrOg+A72h1A1s/UqcYM4J/KY1M2BqIzYBwhqVwMwS1A90q++pXN4OvPHKKisWsKQNTkssGg9alOZHrgtZaKQxqf7kSyXqJcvUKceOL/Is+nmwdHmf73IETILLrBBeZRROIzfzmeoaR01jD54vEJrNZZMU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from edelgard.fodlan.icenowy.me (unknown [112.94.103.253]) by APP-03 (Coremail) with SMTP id rQCowABXZ87vPItp+RItCA--.18409S4; Tue, 10 Feb 2026 22:13:09 +0800 (CST) From: Icenowy Zheng To: Icenowy Zheng , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH drm-misc-next 2/3] drm: verisilicon: subclass drm_plane_state Date: Tue, 10 Feb 2026 22:12:59 +0800 Message-ID: <20260210141300.749013-3-zhengxingda@iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260210141300.749013-1-zhengxingda@iscas.ac.cn> References: <20260210141300.749013-1-zhengxingda@iscas.ac.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: rQCowABXZ87vPItp+RItCA--.18409S4 X-Coremail-Antispam: 1UD129KBjvJXoWxJF1fuw4fAw1kAF47CF4rZrb_yoWrGFW3pr 4DAFy5Kr45Aw4DWr9rJw1jy3y3ua18KryIgrZ7GwnaqF15tr13uF1ktr9xCF43Jry7Gw1x tan2ka1DCr4ayrUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBm14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26r4j6ryUM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I2 62IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcV AFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG 0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_JF0_Jw1l42 xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWU GwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI4 8JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4U MIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I 8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfU1c_TUUUUU X-CM-SenderInfo: x2kh0wp0lqwv3d6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" Create a subclass of drm_plane_state to store hardware-specific state information (e.g. hardware plane format settings) in the future. Signed-off-by: Icenowy Zheng --- drivers/gpu/drm/verisilicon/vs_plane.c | 40 +++++++++++++++++++ drivers/gpu/drm/verisilicon/vs_plane.h | 14 +++++++ .../gpu/drm/verisilicon/vs_primary_plane.c | 6 +-- 3 files changed, 57 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/verisilicon/vs_plane.c b/drivers/gpu/drm/veris= ilicon/vs_plane.c index df406f565143a..f9d38e0e583f6 100644 --- a/drivers/gpu/drm/verisilicon/vs_plane.c +++ b/drivers/gpu/drm/verisilicon/vs_plane.c @@ -125,3 +125,43 @@ dma_addr_t vs_fb_get_dma_addr(struct drm_framebuffer *= fb, =20 return dma_addr; } + +struct drm_plane_state *vs_plane_duplicate_state(struct drm_plane *plane) +{ + struct vs_plane_state *vs_state; + + if (WARN_ON(!plane->state)) + return NULL; + + vs_state =3D kmemdup(plane->state, sizeof(*vs_state), GFP_KERNEL); + if (!vs_state) + return NULL; + + __drm_atomic_helper_plane_duplicate_state(plane, &vs_state->base); + + return &vs_state->base; +} + +void vs_plane_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) +{ + __drm_atomic_helper_plane_destroy_state(state); + kfree(state); +} + +/* Called during init to allocate the plane's atomic state. */ +void vs_plane_reset(struct drm_plane *plane) +{ + struct vs_plane_state *vs_state; + + if (plane->state) + __drm_atomic_helper_plane_destroy_state(plane->state); + + kfree(plane->state); + + vs_state =3D kzalloc(sizeof(*vs_state), GFP_KERNEL); + if (!vs_state) + return; + + __drm_atomic_helper_plane_reset(plane, &vs_state->base); +} diff --git a/drivers/gpu/drm/verisilicon/vs_plane.h b/drivers/gpu/drm/veris= ilicon/vs_plane.h index a88cc19f2202e..12848a72af576 100644 --- a/drivers/gpu/drm/verisilicon/vs_plane.h +++ b/drivers/gpu/drm/verisilicon/vs_plane.h @@ -63,10 +63,24 @@ struct vs_format { bool uv_swizzle; }; =20 +struct vs_plane_state { + struct drm_plane_state base; +}; + +static inline struct vs_plane_state *state_to_vs_plane_state(struct drm_pl= ane_state *state) +{ + return container_of(state, struct vs_plane_state, base); +} + int drm_format_to_vs_format(u32 drm_format, struct vs_format *vs_format); dma_addr_t vs_fb_get_dma_addr(struct drm_framebuffer *fb, const struct drm_rect *src_rect); =20 +struct drm_plane_state *vs_plane_duplicate_state(struct drm_plane *plane); +void vs_plane_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state); +void vs_plane_reset(struct drm_plane *plane); + struct drm_plane *vs_primary_plane_init(struct drm_device *dev, struct vs_= dc *dc); =20 #endif /* _VS_PLANE_H_ */ diff --git a/drivers/gpu/drm/verisilicon/vs_primary_plane.c b/drivers/gpu/d= rm/verisilicon/vs_primary_plane.c index e8fcb5958615c..bad0bc5e3242d 100644 --- a/drivers/gpu/drm/verisilicon/vs_primary_plane.c +++ b/drivers/gpu/drm/verisilicon/vs_primary_plane.c @@ -145,10 +145,10 @@ static const struct drm_plane_helper_funcs vs_primary= _plane_helper_funcs =3D { }; =20 static const struct drm_plane_funcs vs_primary_plane_funcs =3D { - .atomic_destroy_state =3D drm_atomic_helper_plane_destroy_state, - .atomic_duplicate_state =3D drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state =3D vs_plane_destroy_state, + .atomic_duplicate_state =3D vs_plane_duplicate_state, .disable_plane =3D drm_atomic_helper_disable_plane, - .reset =3D drm_atomic_helper_plane_reset, + .reset =3D vs_plane_reset, .update_plane =3D drm_atomic_helper_update_plane, }; =20 --=20 2.52.0