From: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
To: Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jessica.zhang@oss.qualcomm.com>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Yongxing Mou <yongxing.mou@oss.qualcomm.com>,
Abhinav Kumar <quic_abhinavk@quicinc.com>
Subject: [PATCH v3 10/38] drm/msm/dp: make bridge helpers use dp_display to allow re-use
Date: Mon, 25 Aug 2025 22:15:56 +0800 [thread overview]
Message-ID: <20250825-msm-dp-mst-v3-10-01faacfcdedd@oss.qualcomm.com> (raw)
In-Reply-To: <20250825-msm-dp-mst-v3-0-01faacfcdedd@oss.qualcomm.com>
From: Abhinav Kumar <quic_abhinavk@quicinc.com>
dp_bridge helpers take drm_bridge as an input and extract the
dp_display object to be used in the dp_display module. Rather than
doing it in a roundabout way, directly pass the dp_display object
to these helpers so that the MST bridge can also re-use the same
helpers.
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 34 ++++++++-----------------
drivers/gpu/drm/msm/dp/dp_display.h | 9 +++++++
drivers/gpu/drm/msm/dp/dp_drm.c | 49 ++++++++++++++++++++++++++++++++++++-
drivers/gpu/drm/msm/dp/dp_drm.h | 12 ---------
4 files changed, 67 insertions(+), 37 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index c5c502e51b94a6ac4b9a893b43eb88e87a0c0d46..8e95cfb98bd08088a707ffb5643a5021a288095f 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -806,24 +806,21 @@ static int msm_dp_display_disable(struct msm_dp_display_private *dp)
/**
* msm_dp_bridge_mode_valid - callback to determine if specified mode is valid
- * @bridge: Pointer to drm bridge structure
+ * @dp: Pointer to dp display structure
* @info: display info
* @mode: Pointer to drm mode structure
* Returns: Validity status for specified mode
*/
-enum drm_mode_status msm_dp_bridge_mode_valid(struct drm_bridge *bridge,
- const struct drm_display_info *info,
- const struct drm_display_mode *mode)
+enum drm_mode_status msm_dp_display_mode_valid(struct msm_dp *dp,
+ const struct drm_display_info *info,
+ const struct drm_display_mode *mode)
{
const u32 num_components = 3, default_bpp = 24;
struct msm_dp_display_private *msm_dp_display;
struct msm_dp_link_info *link_info;
u32 mode_rate_khz = 0, supported_rate_khz = 0, mode_bpp = 0;
- struct msm_dp *dp;
int mode_pclk_khz = mode->clock;
- dp = to_dp_bridge(bridge)->msm_dp_display;
-
if (!dp || !mode_pclk_khz || !dp->connector) {
DRM_ERROR("invalid params\n");
return -EINVAL;
@@ -1441,11 +1438,8 @@ int msm_dp_modeset_init(struct msm_dp *msm_dp_display, struct drm_device *dev,
return 0;
}
-void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
- struct drm_atomic_state *state)
+void msm_dp_display_atomic_enable(struct msm_dp *msm_dp_display)
{
- struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
- struct msm_dp *msm_dp_display = msm_dp_bridge->msm_dp_display;
int rc = 0;
struct msm_dp_display_private *dp;
@@ -1475,11 +1469,8 @@ void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
drm_dbg_dp(msm_dp_display->drm_dev, "type=%d Done\n", msm_dp_display->connector_type);
}
-void msm_dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
- struct drm_atomic_state *state)
+void msm_dp_display_atomic_disable(struct msm_dp *dp)
{
- struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
- struct msm_dp *dp = msm_dp_bridge->msm_dp_display;
struct msm_dp_display_private *msm_dp_display;
msm_dp_display = container_of(dp, struct msm_dp_display_private, msm_dp_display);
@@ -1496,11 +1487,8 @@ static void msm_dp_display_unprepare(struct msm_dp_display_private *dp)
msm_dp_display->prepared = false;
}
-void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
- struct drm_atomic_state *state)
+void msm_dp_display_atomic_post_disable(struct msm_dp *dp)
{
- struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
- struct msm_dp *dp = msm_dp_bridge->msm_dp_display;
struct msm_dp_display_private *msm_dp_display;
msm_dp_display = container_of(dp, struct msm_dp_display_private, msm_dp_display);
@@ -1520,12 +1508,10 @@ void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type);
}
-void msm_dp_bridge_mode_set(struct drm_bridge *drm_bridge,
- const struct drm_display_mode *mode,
- const struct drm_display_mode *adjusted_mode)
+void msm_dp_display_mode_set(struct msm_dp *dp,
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adjusted_mode)
{
- struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
- struct msm_dp *dp = msm_dp_bridge->msm_dp_display;
struct msm_dp_display_private *msm_dp_display;
struct msm_dp_panel *msm_dp_panel;
diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h
index 2fbf16f27842bb7639efaa2baecac7bdf8908432..e12496ac73f853a2bc120e68eeb84e5a2de6aabe 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.h
+++ b/drivers/gpu/drm/msm/dp/dp_display.h
@@ -36,5 +36,14 @@ void msm_dp_display_signal_audio_start(struct msm_dp *msm_dp_display);
void msm_dp_display_signal_audio_complete(struct msm_dp *msm_dp_display);
void msm_dp_display_set_psr(struct msm_dp *dp, bool enter);
void msm_dp_display_debugfs_init(struct msm_dp *msm_dp_display, struct dentry *dentry, bool is_edp);
+void msm_dp_display_atomic_post_disable(struct msm_dp *dp_display);
+void msm_dp_display_atomic_disable(struct msm_dp *dp_display);
+void msm_dp_display_atomic_enable(struct msm_dp *dp_display);
+void msm_dp_display_mode_set(struct msm_dp *dp,
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adjusted_mode);
+enum drm_mode_status msm_dp_display_mode_valid(struct msm_dp *dp,
+ const struct drm_display_info *info,
+ const struct drm_display_mode *mode);
#endif /* _DP_DISPLAY_H_ */
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index f935093c4df4681770ab487916584cc76834b0d0..b6b77ee96c30ca60e31cf76569e262a237493aeb 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -81,6 +81,53 @@ static void msm_dp_bridge_debugfs_init(struct drm_bridge *bridge, struct dentry
msm_dp_display_debugfs_init(dp, root, false);
}
+static void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
+ struct drm_atomic_state *state)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+ struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+ msm_dp_display_atomic_enable(dp);
+}
+
+static void msm_dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
+ struct drm_atomic_state *state)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+ struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+ msm_dp_display_atomic_disable(dp);
+}
+
+static void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
+ struct drm_atomic_state *state)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+ struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+ msm_dp_display_atomic_post_disable(dp);
+}
+
+static void msm_dp_bridge_mode_set(struct drm_bridge *drm_bridge,
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adjusted_mode)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+ struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+ msm_dp_display_mode_set(dp, mode, adjusted_mode);
+}
+
+static enum drm_mode_status msm_dp_bridge_mode_valid(struct drm_bridge *drm_bridge,
+ const struct drm_display_info *info,
+ const struct drm_display_mode *mode)
+{
+ struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+ struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+ return msm_dp_display_mode_valid(dp, info, mode);
+}
+
static const struct drm_bridge_funcs msm_dp_bridge_ops = {
.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
@@ -149,7 +196,7 @@ static void msm_edp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
return;
}
- msm_dp_bridge_atomic_enable(drm_bridge, state);
+ msm_dp_display_atomic_enable(dp);
}
static void msm_edp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.h b/drivers/gpu/drm/msm/dp/dp_drm.h
index 0d026bc9becf777aee192b9200197f477012bf8f..1066bb181a50b462203647618db6386e72a8eb32 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.h
+++ b/drivers/gpu/drm/msm/dp/dp_drm.h
@@ -26,18 +26,6 @@ int msm_dp_bridge_init(struct msm_dp *msm_dp_display, struct drm_device *dev,
bool yuv_supported);
enum drm_connector_status msm_dp_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connector);
-void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
- struct drm_atomic_state *state);
-void msm_dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
- struct drm_atomic_state *state);
-void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
- struct drm_atomic_state *state);
-enum drm_mode_status msm_dp_bridge_mode_valid(struct drm_bridge *bridge,
- const struct drm_display_info *info,
- const struct drm_display_mode *mode);
-void msm_dp_bridge_mode_set(struct drm_bridge *drm_bridge,
- const struct drm_display_mode *mode,
- const struct drm_display_mode *adjusted_mode);
void msm_dp_bridge_hpd_enable(struct drm_bridge *bridge);
void msm_dp_bridge_hpd_disable(struct drm_bridge *bridge);
void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge,
--
2.34.1
next prev parent reply other threads:[~2025-08-25 14:17 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-25 14:15 [PATCH v3 00/38] drm/msm/dp: Add MST support for MSM chipsets Yongxing Mou
2025-08-25 14:15 ` [PATCH v3 01/38] drm/msm/dp: remove cached drm_edid from panel Yongxing Mou
2025-08-25 16:41 ` Dmitry Baryshkov
2025-09-02 8:42 ` Yongxing Mou
2025-09-02 9:36 ` Dmitry Baryshkov
2025-09-02 10:19 ` Yongxing Mou
2025-09-02 12:34 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 02/38] drm/msm/dp: remove dp_display's dp_mode and use dp_panel's instead Yongxing Mou
2025-08-25 16:50 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 03/38] drm/msm/dp: break up dp_display_enable into two parts Yongxing Mou
2025-08-25 17:13 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 04/38] drm/msm/dp: re-arrange dp_display_disable() into functional parts Yongxing Mou
2025-08-25 17:25 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 05/38] drm/msm/dp: splite msm_dp_ctrl_config_ctrl() into link parts and stream parts Yongxing Mou
2025-08-25 17:28 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 06/38] drm/msm/dp: extract MISC1_MISC0 configuration into a separate function Yongxing Mou
2025-08-25 17:30 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 07/38] drm/msm/dp: allow dp_ctrl stream APIs to use any panel passed to it Yongxing Mou
2025-08-25 17:32 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 08/38] drm/msm/dp: move the pixel clock control to its own API Yongxing Mou
2025-08-25 17:34 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 09/38] drm/msm/dp: split dp_ctrl_off() into stream and link parts Yongxing Mou
2025-08-25 17:35 ` Dmitry Baryshkov
2025-08-25 14:15 ` Yongxing Mou [this message]
2025-08-25 14:15 ` [PATCH v3 11/38] drm/msm/dp: separate dp_display_prepare() into its own API Yongxing Mou
2025-08-25 17:39 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 12/38] drm/msm/dp: introduce max_streams for DP controller MST support Yongxing Mou
2025-08-25 17:42 ` Dmitry Baryshkov
2025-09-02 9:41 ` Dmitry Baryshkov
2025-08-25 14:15 ` [PATCH v3 13/38] drm/msm/dp: introduce stream_id for each DP panel Yongxing Mou
2025-08-25 17:56 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 14/38] drm/msm/dp: Add support for programming p1/p2/p3 register blocks Yongxing Mou
2025-08-25 17:59 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 15/38] drm/msm/dp: use stream_id to change offsets in dp_catalog Yongxing Mou
2025-08-25 18:01 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 16/38] drm/msm/dp: Add catalog support for 3rd/4th stream MST Yongxing Mou
2025-08-25 20:35 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 17/38] drm/msm/dp: add support to send ACT packets for MST Yongxing Mou
2025-08-25 21:10 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 18/38] drm/msm/dp: Add support to enable MST in mainlink control Yongxing Mou
2025-08-25 21:24 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 19/38] drm/msm/dp: no need to update tu calculation for mst Yongxing Mou
2025-08-25 21:25 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 20/38] drm/msm/dp: Add support for MST channel slot allocation Yongxing Mou
2025-08-25 21:52 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 21/38] drm/msm/dp: Add support for sending VCPF packets in DP controller Yongxing Mou
2025-08-26 21:28 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 22/38] drm/msm/dp: Always program MST_FIFO_CONSTANT_FILL for MST use cases Yongxing Mou
2025-08-25 21:55 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 23/38] drm/msm/dp: abstract out the dp_display stream helpers to accept a panel Yongxing Mou
2025-08-25 22:18 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 24/38] drm/msm/dp: replace power_on with active_stream_cnt for dp_display Yongxing Mou
2025-08-25 22:22 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 25/38] drm/msm/dp: Mark the SST bridge disconnected when mst is active Yongxing Mou
2025-08-25 22:23 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 26/38] drm/msm/dp: add an API to initialize MST on sink side Yongxing Mou
2025-08-26 9:26 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 27/38] drm/msm/dp: add dp_display_get_panel() to initialize DP panel Yongxing Mou
2025-08-26 16:33 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 28/38] drm/msm/dp: add dp_mst_drm to manage DP MST bridge operations Yongxing Mou
2025-08-26 17:36 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 29/38] drm/msm/dp: add MST atomic check to msm_atomic_check() Yongxing Mou
2025-08-26 17:44 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 30/38] drm/msm/dp: add connector abstraction for DP MST Yongxing Mou
2025-08-26 18:31 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 31/38] drm/msm/dp: add HPD callback for dp MST Yongxing Mou
2025-08-26 18:40 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 32/38] drm/msm/dp: propagate MST state changes to dp mst module Yongxing Mou
2025-08-26 18:43 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 33/38] drm/msm: add support for MST non-blocking commits Yongxing Mou
2025-08-26 18:47 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 34/38] drm/msm: initialize DRM MST encoders for DP controllers Yongxing Mou
2025-08-26 18:55 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 35/38] drm/msm/dp: initialize dp_mst module for each DP MST controller Yongxing Mou
2025-08-26 21:27 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 36/38] drm/msm/dpu: use msm_dp_get_mst_intf_id() to get the intf id Yongxing Mou
2025-08-26 23:42 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 37/38] drm/msm/dp: fix the intf_type of MST interfaces Yongxing Mou
2025-08-27 1:18 ` Dmitry Baryshkov
2025-08-25 14:16 ` [PATCH v3 38/38] drm/msm/dp: Add MST stream support for SA8775P DP controller 0 and 1 Yongxing Mou
2025-08-27 1:19 ` Dmitry Baryshkov
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