Message ID | b34c562b36177c758dd2e9d84bceb07689bfbe05.1599120059.git-series.maxime@cerno.tech (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Thu, 3 Sep 2020 04:02:27 -0400 (EDT) From: Maxime Ripard <maxime@cerno.tech> To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>, Eric Anholt <eric@anholt.net> Subject: [PATCH v5 24/80] drm/vc4: hvs: Make sure our channel is reset Date: Thu, 3 Sep 2020 10:00:56 +0200 Message-Id: <b34c562b36177c758dd2e9d84bceb07689bfbe05.1599120059.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.26.2 In-Reply-To: <cover.dddc064d8bb83e46744336af67dcb13139e5747d.1599120059.git-series.maxime@cerno.tech> References: <cover.dddc064d8bb83e46744336af67dcb13139e5747d.1599120059.git-series.maxime@cerno.tech> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200903_040230_593370_382C6F83 X-CRM114-Status: GOOD ( 10.70 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [64.147.123.18 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Stefan Wahren <stefan.wahren@i2se.com>, Tim Gover <tim.gover@raspberrypi.com>, Dave Stevenson <dave.stevenson@raspberrypi.com>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Hoegeun Kwon <hoegeun.kwon@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell <phil@raspberrypi.com>, linux-arm-kernel@lists.infradead.org, Maxime Ripard <maxime@cerno.tech> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
drm/vc4: Support BCM2711 Display Pipeline
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expand
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diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index efaae60bb323..0f56a7b57916 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -205,6 +205,10 @@ static int vc4_hvs_init_channel(struct vc4_dev *vc4, struct drm_crtc *crtc, u32 dispbkgndx; u32 dispctrl; + HVS_WRITE(SCALER_DISPCTRLX(chan), 0); + HVS_WRITE(SCALER_DISPCTRLX(chan), SCALER_DISPCTRLX_RESET); + HVS_WRITE(SCALER_DISPCTRLX(chan), 0); + /* Turn on the scaler, which will wait for vstart to start * compositing. * When feeding the transposer, we should operate in oneshot