Message ID | ce5012281c97560e9d41b6f146f7e0b764a60e76.1594230107.git-series.maxime@cerno.tech (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Wed, 8 Jul 2020 13:43:19 -0400 (EDT) From: Maxime Ripard <maxime@cerno.tech> To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>, Eric Anholt <eric@anholt.net> Subject: [PATCH v4 34/78] drm/vc4: crtc: Move the CRTC disable out Date: Wed, 8 Jul 2020 19:41:42 +0200 Message-Id: <ce5012281c97560e9d41b6f146f7e0b764a60e76.1594230107.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.26.2 In-Reply-To: <cover.7a1aa1784976093af26cb31fd283cf5b3ed568bb.1594230107.git-series.maxime@cerno.tech> References: <cover.7a1aa1784976093af26cb31fd283cf5b3ed568bb.1594230107.git-series.maxime@cerno.tech> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 09 Jul 2020 07:05:03 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Cc: Tim Gover <tim.gover@raspberrypi.com>, Dave Stevenson <dave.stevenson@raspberrypi.com>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, 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 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org> |
Series |
drm/vc4: Support BCM2711 Display Pipeline
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diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 25a77cd46b28..69851e19e2ab 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -384,20 +384,14 @@ static void require_hvs_enabled(struct drm_device *dev) SCALER_DISPCTRL_ENABLE); } -static void vc4_crtc_atomic_disable(struct drm_crtc *crtc, - struct drm_crtc_state *old_state) +static int vc4_crtc_disable(struct drm_crtc *crtc, unsigned int channel) { - struct drm_device *dev = crtc->dev; - struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc); struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder); + struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); + struct drm_device *dev = crtc->dev; int ret; - require_hvs_enabled(dev); - - /* Disable vblank irq handling before crtc is disabled. */ - drm_crtc_vblank_off(crtc); - CRTC_WRITE(PV_V_CONTROL, CRTC_READ(PV_V_CONTROL) & ~PV_VCONTROL_VIDEN); ret = wait_for(!(CRTC_READ(PV_V_CONTROL) & PV_VCONTROL_VIDEN), 1); @@ -405,15 +399,31 @@ static void vc4_crtc_atomic_disable(struct drm_crtc *crtc, mdelay(20); - if (vc4_encoder->post_crtc_disable) + if (vc4_encoder && vc4_encoder->post_crtc_disable) vc4_encoder->post_crtc_disable(encoder); vc4_crtc_pixelvalve_reset(crtc); - vc4_hvs_atomic_disable(crtc, old_state); + vc4_hvs_stop_channel(dev, channel); - if (vc4_encoder->post_crtc_powerdown) + if (vc4_encoder && vc4_encoder->post_crtc_powerdown) vc4_encoder->post_crtc_powerdown(encoder); + return 0; +} + +static void vc4_crtc_atomic_disable(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) +{ + struct vc4_crtc_state *old_vc4_state = to_vc4_crtc_state(old_state); + struct drm_device *dev = crtc->dev; + + require_hvs_enabled(dev); + + /* Disable vblank irq handling before crtc is disabled. */ + drm_crtc_vblank_off(crtc); + + vc4_crtc_disable(crtc, old_vc4_state->assigned_channel); + /* * Make sure we issue a vblank event after disabling the CRTC if * someone was waiting it.