From: Rob Clark <robdclark@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Stephen Boyd <swboyd@chromium.org>,
Douglas Anderson <dianders@chromium.org>,
Rob Clark <robdclark@chromium.org>,
Andrzej Hajda <a.hajda@samsung.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Robert Foss <robert.foss@linaro.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 3/4] drm/bridge: ti-sn65dsi86: Implement bridge->mode_valid()
Date: Wed, 11 Aug 2021 16:52:49 -0700 [thread overview]
Message-ID: <20210811235253.924867-4-robdclark@gmail.com> (raw)
In-Reply-To: <20210811235253.924867-1-robdclark@gmail.com>
From: Rob Clark <robdclark@chromium.org>
For the brave new world of bridges not creating their own connectors, we
need to implement the max clock limitation via bridge->mode_valid()
instead of connector->mode_valid().
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/bridge/ti-sn65dsi86.c | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 5d3b30b2f547..38dcc49eccaf 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -595,6 +595,15 @@ static struct auxiliary_driver ti_sn_aux_driver = {
.id_table = ti_sn_aux_id_table,
};
+static enum drm_mode_status check_mode(const struct drm_display_mode *mode)
+{
+ /* maximum supported resolution is 4K at 60 fps */
+ if (mode->clock > 594000)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
/* -----------------------------------------------------------------------------
* DRM Connector Operations
*/
@@ -616,11 +625,7 @@ static enum drm_mode_status
ti_sn_bridge_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- /* maximum supported resolution is 4K at 60 fps */
- if (mode->clock > 594000)
- return MODE_CLOCK_HIGH;
-
- return MODE_OK;
+ return check_mode(mode);
}
static struct drm_connector_helper_funcs ti_sn_bridge_connector_helper_funcs = {
@@ -763,6 +768,14 @@ static void ti_sn_bridge_detach(struct drm_bridge *bridge)
drm_dp_aux_unregister(&bridge_to_ti_sn65dsi86(bridge)->aux);
}
+static enum drm_mode_status
+ti_sn_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
+ const struct drm_display_mode *mode)
+{
+ return check_mode(mode);
+}
+
static void ti_sn_bridge_disable(struct drm_bridge *bridge)
{
struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge);
@@ -1118,6 +1131,7 @@ static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
static const struct drm_bridge_funcs ti_sn_bridge_funcs = {
.attach = ti_sn_bridge_attach,
.detach = ti_sn_bridge_detach,
+ .mode_valid = ti_sn_bridge_mode_valid,
.pre_enable = ti_sn_bridge_pre_enable,
.enable = ti_sn_bridge_enable,
.disable = ti_sn_bridge_disable,
--
2.31.1
next prev parent reply other threads:[~2021-08-11 23:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-11 23:52 [PATCH 0/4] drm/msm+ti-sn65dsi86: Fix NO_CONNECTOR fallout Rob Clark
2021-08-11 23:52 ` [PATCH 1/4] drm/bridge: ti-sn65dsi86: Avoid creating multiple connectors Rob Clark
2021-08-12 0:25 ` Stephen Boyd
2021-08-12 16:38 ` Laurent Pinchart
2021-08-12 16:54 ` Doug Anderson
2021-08-12 17:11 ` Rob Clark
2021-08-11 23:52 ` [PATCH 2/4] drm/msm/dsi: Support NO_CONNECTOR bridges Rob Clark
2021-08-12 16:44 ` Laurent Pinchart
[not found] ` <YRVa6Wy/24FUQEUw@ravnborg.org>
2021-08-12 17:45 ` Rob Clark
2021-08-11 23:52 ` Rob Clark [this message]
2021-08-12 17:23 ` [PATCH 3/4] drm/bridge: ti-sn65dsi86: Implement bridge->mode_valid() Doug Anderson
2021-08-12 18:44 ` Laurent Pinchart
2021-08-12 19:09 ` Rob Clark
2021-08-12 19:17 ` Laurent Pinchart
2021-08-11 23:52 ` [PATCH 4/4] drm/bridge: ti-sn65dsi86: Add NO_CONNECTOR support Rob Clark
2021-08-12 17:22 ` Doug Anderson
2021-08-12 19:26 ` Laurent Pinchart
2021-08-12 20:08 ` Doug Anderson
2021-09-20 18:32 ` Rob Clark
2021-09-23 0:39 ` Laurent Pinchart
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