When validating a mode, bridges may need to do so in the context of a
display, as specified by drm_display_info. An example is the meson
dw-hdmi bridge that needs to consider the YUV 4:2:0 output format to
perform clock calculations.
Bridges that need the display info currently retrieve it from the
drm_connector created by the bridge. This gets in the way of moving
connector creation out of bridge drivers. To make this possible, pass
the drm_display_info to drm_bridge_funcs .mode_valid().
Changes to the bridge drivers have been performed with the following
coccinelle semantic patch and have been compile-tested.
@ rule1 @
identifier funcs;
identifier fn;
@@
struct drm_bridge_funcs funcs = {
...,
.mode_valid = fn
};
@ depends on rule1 @
identifier rule1.fn;
identifier bridge;
identifier mode;
@@
enum drm_mode_status fn(
struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode
)
{
...
}
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 1 +
drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c | 1 +
drivers/gpu/drm/bridge/cdns-dsi.c | 1 +
drivers/gpu/drm/bridge/chrontel-ch7033.c | 1 +
drivers/gpu/drm/bridge/nwl-dsi.c | 1 +
drivers/gpu/drm/bridge/sii9234.c | 1 +
drivers/gpu/drm/bridge/sil-sii8620.c | 1 +
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 1 +
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 1 +
drivers/gpu/drm/bridge/tc358767.c | 1 +
drivers/gpu/drm/bridge/tc358768.c | 1 +
drivers/gpu/drm/bridge/thc63lvd1024.c | 1 +
drivers/gpu/drm/bridge/ti-tfp410.c | 1 +
drivers/gpu/drm/drm_atomic_helper.c | 3 ++-
drivers/gpu/drm/drm_bridge.c | 4 +++-
drivers/gpu/drm/drm_probe_helper.c | 4 +++-
drivers/gpu/drm/i2c/tda998x_drv.c | 1 +
drivers/gpu/drm/omapdrm/dss/dpi.c | 1 +
drivers/gpu/drm/omapdrm/dss/sdi.c | 1 +
drivers/gpu/drm/omapdrm/dss/venc.c | 1 +
include/drm/drm_bridge.h | 3 +++
21 files changed, 28 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
index 2bc6e4f85171..371f4a9f866d 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
@@ -585,6 +585,7 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge,
static enum drm_mode_status
anx6345_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
index 0d5a5ad0c9ee..81debd02c169 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
@@ -944,6 +944,7 @@ static int anx78xx_bridge_attach(struct drm_bridge *bridge,
static enum drm_mode_status
anx78xx_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c
b/drivers/gpu/drm/bridge/cdns-dsi.c
index 69c3892caee5..76373e31df92 100644
--- a/drivers/gpu/drm/bridge/cdns-dsi.c
+++ b/drivers/gpu/drm/bridge/cdns-dsi.c
@@ -663,6 +663,7 @@ static int cdns_dsi_bridge_attach(struct drm_bridge *bridge,
static enum drm_mode_status
cdns_dsi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct cdns_dsi_input *input = bridge_to_cdns_dsi_input(bridge);
diff --git a/drivers/gpu/drm/bridge/chrontel-ch7033.c
b/drivers/gpu/drm/bridge/chrontel-ch7033.c
index f8675d82974b..486f405c2e16 100644
--- a/drivers/gpu/drm/bridge/chrontel-ch7033.c
+++ b/drivers/gpu/drm/bridge/chrontel-ch7033.c
@@ -317,6 +317,7 @@ static void ch7033_bridge_detach(struct drm_bridge *bridge)
}
static enum drm_mode_status ch7033_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
if (mode->clock > 165000)
diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
index b14d725bf609..77a79af70914 100644
--- a/drivers/gpu/drm/bridge/nwl-dsi.c
+++ b/drivers/gpu/drm/bridge/nwl-dsi.c
@@ -818,6 +818,7 @@ static bool nwl_dsi_bridge_mode_fixup(struct drm_bridge
*bridge,
static enum drm_mode_status
nwl_dsi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct nwl_dsi *dsi = bridge_to_dsi(bridge);
diff --git a/drivers/gpu/drm/bridge/sii9234.c b/drivers/gpu/drm/bridge/sii9234.c
index b1258f0ed205..15c98a7bd81c 100644
--- a/drivers/gpu/drm/bridge/sii9234.c
+++ b/drivers/gpu/drm/bridge/sii9234.c
@@ -873,6 +873,7 @@ static inline struct sii9234 *bridge_to_sii9234(struct
drm_bridge *bridge)
}
static enum drm_mode_status sii9234_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
if (mode->clock > MHL1_MAX_CLK)
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c
b/drivers/gpu/drm/bridge/sil-sii8620.c
index 92acd336aa89..7c0c93c7e61f 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -2244,6 +2244,7 @@ static int sii8620_is_packing_required(struct sii8620
*ctx,
}
static enum drm_mode_status sii8620_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct sii8620 *ctx = bridge_to_sii8620(bridge);
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 30681398cfb0..b535354150db 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2767,6 +2767,7 @@ static void dw_hdmi_bridge_detach(struct drm_bridge
*bridge)
static enum drm_mode_status
dw_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct dw_hdmi *hdmi = bridge->driver_private;
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index 5ef0f154aa7b..c223fb9a04cb 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -924,6 +924,7 @@ static void dw_mipi_dsi_bridge_enable(struct drm_bridge
*bridge)
static enum drm_mode_status
dw_mipi_dsi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge);
diff --git a/drivers/gpu/drm/bridge/tc358767.c
b/drivers/gpu/drm/bridge/tc358767.c
index e4c0ea03ae3a..c2777b226c75 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1306,6 +1306,7 @@ static bool tc_bridge_mode_fixup(struct drm_bridge
*bridge,
}
static enum drm_mode_status tc_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct tc_data *tc = bridge_to_tc(bridge);
diff --git a/drivers/gpu/drm/bridge/tc358768.c
b/drivers/gpu/drm/bridge/tc358768.c
index 6650fe4cfc20..4a463fadf743 100644
--- a/drivers/gpu/drm/bridge/tc358768.c
+++ b/drivers/gpu/drm/bridge/tc358768.c
@@ -529,6 +529,7 @@ static int tc358768_bridge_attach(struct drm_bridge *bridge,
static enum drm_mode_status
tc358768_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct tc358768_priv *priv = bridge_to_tc358768(bridge);
diff --git a/drivers/gpu/drm/bridge/thc63lvd1024.c
b/drivers/gpu/drm/bridge/thc63lvd1024.c
index 97d8129760e9..86b06975bfdd 100644
--- a/drivers/gpu/drm/bridge/thc63lvd1024.c
+++ b/drivers/gpu/drm/bridge/thc63lvd1024.c
@@ -51,6 +51,7 @@ static int thc63_attach(struct drm_bridge *bridge,
}
static enum drm_mode_status thc63_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct thc63_dev *thc63 = to_thc63(bridge);
diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c
b/drivers/gpu/drm/bridge/ti-tfp410.c
index f065a96a0917..1f49aca06a9f 100644
--- a/drivers/gpu/drm/bridge/ti-tfp410.c
+++ b/drivers/gpu/drm/bridge/ti-tfp410.c
@@ -192,6 +192,7 @@ static void tfp410_disable(struct drm_bridge *bridge)
}
static enum drm_mode_status tfp410_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info
*info,
const struct drm_display_mode
*mode)
{
if (mode->clock < 25000)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c
b/drivers/gpu/drm/drm_atomic_helper.c
index 85d163f16801..c1178518dc7a 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -506,7 +506,8 @@ static enum drm_mode_status mode_valid_path(struct
drm_connector *connector,
}
bridge = drm_bridge_chain_get_first_bridge(encoder);
- ret = drm_bridge_chain_mode_valid(bridge, mode);
+ ret = drm_bridge_chain_mode_valid(bridge, &connector->display_info,
+ mode);
if (ret != MODE_OK) {
DRM_DEBUG_ATOMIC("[BRIDGE] mode_valid() failed\n");
return ret;
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index fe1e3460b486..64f0effb52ac 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -377,6 +377,7 @@ EXPORT_SYMBOL(drm_bridge_chain_mode_fixup);
* drm_bridge_chain_mode_valid - validate the mode against all bridges in the
* encoder chain.
* @bridge: bridge control structure
+ * @info: display info against which the mode shall be validated
* @mode: desired mode to be validated
*
* Calls &drm_bridge_funcs.mode_valid for all the bridges in the encoder
@@ -390,6 +391,7 @@ EXPORT_SYMBOL(drm_bridge_chain_mode_fixup);
*/
enum drm_mode_status
drm_bridge_chain_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct drm_encoder *encoder;
@@ -404,7 +406,7 @@ drm_bridge_chain_mode_valid(struct drm_bridge *bridge,
if (!bridge->funcs->mode_valid)
continue;
- ret = bridge->funcs->mode_valid(bridge, mode);
+ ret = bridge->funcs->mode_valid(bridge, info, mode);
if (ret != MODE_OK)
return ret;
}
diff --git a/drivers/gpu/drm/drm_probe_helper.c
b/drivers/gpu/drm/drm_probe_helper.c
index 576b4b7dcd89..f5d141e0400f 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -114,7 +114,9 @@ drm_mode_validate_pipeline(struct drm_display_mode *mode,
}
bridge = drm_bridge_chain_get_first_bridge(encoder);
- ret = drm_bridge_chain_mode_valid(bridge, mode);
+ ret = drm_bridge_chain_mode_valid(bridge,
+ &connector->display_info,
+ mode);
if (ret != MODE_OK) {
/* There is also no point in continuing for crtc check
* here. */
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c
b/drivers/gpu/drm/i2c/tda998x_drv.c
index 9517f522dcb9..50fd119a5276 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1379,6 +1379,7 @@ static void tda998x_bridge_detach(struct drm_bridge
*bridge)
}
static enum drm_mode_status tda998x_bridge_mode_valid(struct drm_bridge
*bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
/* TDA19988 dotclock can go up to 165MHz */
diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c
b/drivers/gpu/drm/omapdrm/dss/dpi.c
index 5110acb0c6c1..1d2992daef40 100644
--- a/drivers/gpu/drm/omapdrm/dss/dpi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
@@ -434,6 +434,7 @@ static int dpi_bridge_attach(struct drm_bridge *bridge,
static enum drm_mode_status
dpi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct dpi_data *dpi = drm_bridge_to_dpi(bridge);
diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c
b/drivers/gpu/drm/omapdrm/dss/sdi.c
index 417a8740ad0a..033fd30074b0 100644
--- a/drivers/gpu/drm/omapdrm/dss/sdi.c
+++ b/drivers/gpu/drm/omapdrm/dss/sdi.c
@@ -140,6 +140,7 @@ static int sdi_bridge_attach(struct drm_bridge *bridge,
static enum drm_mode_status
sdi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
struct sdi_device *sdi = drm_bridge_to_sdi(bridge);
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c
b/drivers/gpu/drm/omapdrm/dss/venc.c
index 9701843ccf09..4406ce2a08b4 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -548,6 +548,7 @@ static int venc_bridge_attach(struct drm_bridge *bridge,
static enum drm_mode_status
venc_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
switch (venc_get_videomode(mode)) {
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index ea2aa5ebae34..e3d7f36d8c39 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -35,6 +35,7 @@
struct drm_bridge;
struct drm_bridge_timings;
struct drm_connector;
+struct drm_display_info;
struct drm_panel;
struct edid;
struct i2c_adapter;
@@ -112,6 +113,7 @@ struct drm_bridge_funcs {
* drm_mode_status Enum
*/
enum drm_mode_status (*mode_valid)(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode);
/**
@@ -836,6 +838,7 @@ bool drm_bridge_chain_mode_fixup(struct drm_bridge *bridge,
struct drm_display_mode *adjusted_mode);
enum drm_mode_status
drm_bridge_chain_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode);
void drm_bridge_chain_disable(struct drm_bridge *bridge);
void drm_bridge_chain_post_disable(struct drm_bridge *bridge);
--
Regards,
Laurent Pinchart
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