From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Reichel Subject: [PATCHv4 3/6] drm/omap: don't check dispc timings for DSI Date: Fri, 16 Nov 2018 00:06:42 +0100 Message-ID: <20181115230645.15748-4-sebastian.reichel@collabora.com> References: <20181115230645.15748-1-sebastian.reichel@collabora.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181115230645.15748-1-sebastian.reichel@collabora.com> Sender: linux-kernel-owner@vger.kernel.org To: Sebastian Reichel , Tomi Valkeinen , Tony Lindgren , Pavel Machek , Laurent Pinchart Cc: "H. Nikolaus Schaller" , dri-devel@lists.freedesktop.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Sebastian Reichel List-Id: linux-omap@vger.kernel.org While all display types only forward their VM to the DISPC, this is not true for DSI. DSI calculates the VM for DISPC based on its own, but its not identical. Actually the DSI VM is not even a valid DISPC VM making this check fail. Let's restore the old behaviour and avoid checking the DISPC VM for DSI here. Fixes: 7c27fa57ef31 ("drm/omap: Call dispc timings check operation directly") Signed-off-by: Sebastian Reichel --- drivers/gpu/drm/omapdrm/omap_connector.c | 8 +++++--- drivers/gpu/drm/omapdrm/omap_encoder.c | 8 +++++--- 2 files changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index b81302c4bf9e..5c776d6211e1 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -280,9 +280,11 @@ static int omap_connector_mode_valid(struct drm_connector *connector, drm_display_mode_to_videomode(mode, &vm); mode->vrefresh = drm_mode_vrefresh(mode); - r = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); - if (r) - goto done; + if (omap_connector->display->type != OMAP_DISPLAY_TYPE_DSI) { + r = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); + if (r) + goto done; + } for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) { if (!dssdev->ops->check_timings) diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 452e625f6ce3..32bbe3a80e7d 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -170,9 +170,11 @@ static int omap_encoder_atomic_check(struct drm_encoder *encoder, drm_display_mode_to_videomode(&crtc_state->mode, &vm); - ret = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); - if (ret) - goto done; + if (omap_encoder->display->type != OMAP_DISPLAY_TYPE_DSI) { + ret = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); + if (ret) + goto done; + } for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { if (!dssdev->ops->check_timings) -- 2.19.1