From patchwork Wed Nov 22 12:54:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Yan X-Patchwork-Id: 746174 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Tp1SwVkU" Received: from m12.mail.163.com (m12.mail.163.com [220.181.12.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8813818E; Wed, 22 Nov 2023 04:54:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=PJE4A /TtZytLMevB33ghaDNwTaatdKdnAe/8KBkrZZU=; b=Tp1SwVkUwPSUGC7v0osW7 Rh21XKUJI/HaRgYsOjoR2Aap/XVsbFWaGYbaZMAogmVDIRGTSIXMM/y8v2RoJ4dN SR5g+RQ471J6amAPqaJf4KdySK7FbwCe3EKxpN1KsZ8fAwDZ+brg59GpMTGH6niO RrEgM9+j4wmS4URqDkv0A0= Received: from ProDesk.. (unknown [58.22.7.114]) by zwqz-smtp-mta-g5-1 (Coremail) with SMTP id _____wD3n5Pp+V1ldaBdAw--.53479S2; Wed, 22 Nov 2023 20:54:05 +0800 (CST) From: Andy Yan To: heiko@sntech.de Cc: hjc@rock-chips.com, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, devicetree@vger.kernel.org, sebastian.reichel@collabora.com, kever.yang@rock-chips.com, chris.obbard@collabora.com, s.hauer@pengutronix.de, Andy Yan Subject: [PATCH v2 02/12] Revert "drm/rockchip: vop2: Use regcache_sync() to fix suspend/resume" Date: Wed, 22 Nov 2023 20:54:00 +0800 Message-Id: <20231122125400.3454430-1-andyshrk@163.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231122125316.3454268-1-andyshrk@163.com> References: <20231122125316.3454268-1-andyshrk@163.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: _____wD3n5Pp+V1ldaBdAw--.53479S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7Cw1rGr1xXF4xCFy7tr45trb_yoW8CF1rpF W7Aryjqr4IgF4jqw1kJFWUZFyYyrnrtayfCrn7G3WSvr13Krn2krn8GF15ZF98Ar1xur42 yF97ta47CFW7uFJanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jo4E_UUUUU= X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/xtbBnBIwXlghlh74fQAAsU From: Andy Yan This reverts commit b63a553e8f5aa6574eeb535a551817a93c426d8c. regcache_sync will try to reload the configuration in regcache to hardware, but the registers of 4 Cluster windows and Esmart1/2/3 on the upcoming rk3588 can not be set successfully before internal PD power on. Also it's better to keep the hardware register as it is before we really enable it. So let's revert this version, and keep the first version: commit afa965a45e01 ("drm/rockchip: vop2: fix suspend/resume") Signed-off-by: Andy Yan --- (no changes since v1) drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index 312da5783362..57784d0a22a6 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -217,6 +217,8 @@ struct vop2 { struct vop2_win win[]; }; +static const struct regmap_config vop2_regmap_config; + static struct vop2_video_port *to_vop2_video_port(struct drm_crtc *crtc) { return container_of(crtc, struct vop2_video_port, crtc); @@ -883,7 +885,11 @@ static void vop2_enable(struct vop2 *vop2) return; } - regcache_sync(vop2->map); + ret = regmap_reinit_cache(vop2->map, &vop2_regmap_config); + if (ret) { + drm_err(vop2->drm, "failed to reinit cache: %d\n", ret); + return; + } if (vop2->data->soc_id == 3566) vop2_writel(vop2, RK3568_OTP_WIN_EN, 1); @@ -913,8 +919,6 @@ static void vop2_disable(struct vop2 *vop2) pm_runtime_put_sync(vop2->dev); - regcache_mark_dirty(vop2->map); - clk_disable_unprepare(vop2->aclk); clk_disable_unprepare(vop2->hclk); }