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-rw-r--r--Documentation/ABI/testing/sysfs-driver-panfrost-profiling2
-rw-r--r--Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml2
-rw-r--r--Documentation/devicetree/bindings/vendor-prefixes.yaml2
-rw-r--r--drivers/gpu/drm/ast/Makefile10
-rw-r--r--drivers/gpu/drm/ast/ast_ddc.c (renamed from drivers/gpu/drm/ast/ast_i2c.c)120
-rw-r--r--drivers/gpu/drm/ast/ast_ddc.h20
-rw-r--r--drivers/gpu/drm/ast/ast_drv.c1
-rw-r--r--drivers/gpu/drm/ast/ast_drv.h39
-rw-r--r--drivers/gpu/drm/ast/ast_main.c1
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c147
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_drv.c8
-rw-r--r--drivers/gpu/drm/drm_probe_helper.c56
-rw-r--r--drivers/gpu/drm/exynos/Kconfig2
-rw-r--r--drivers/gpu/drm/meson/meson_vclk.c6
-rw-r--r--drivers/gpu/drm/panel/panel-sitronix-st7703.c87
-rw-r--r--drivers/gpu/drm/panthor/panthor_device.c8
-rw-r--r--drivers/gpu/drm/panthor/panthor_device.h47
-rw-r--r--drivers/gpu/drm/panthor/panthor_drv.c23
-rw-r--r--drivers/gpu/drm/panthor/panthor_fw.c2
-rw-r--r--drivers/gpu/drm/panthor/panthor_gpu.c4
-rw-r--r--drivers/gpu/drm/panthor/panthor_mmu.c10
-rw-r--r--drivers/gpu/drm/panthor/panthor_sched.c13
-rw-r--r--drivers/gpu/drm/rockchip/Kconfig2
-rw-r--r--drivers/gpu/drm/vmwgfx/ttm_object.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h27
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c12
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.h16
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c110
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_validation.c19
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_validation.h7
-rw-r--r--include/drm/drm_probe_helper.h6
32 files changed, 356 insertions, 460 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-panfrost-profiling b/Documentation/ABI/testing/sysfs-driver-panfrost-profiling
index 1d8bb0978920..7597c420e54b 100644
--- a/Documentation/ABI/testing/sysfs-driver-panfrost-profiling
+++ b/Documentation/ABI/testing/sysfs-driver-panfrost-profiling
@@ -7,4 +7,4 @@ Description:
Valid values are:
0: Don't enable fdinfo job profiling sources.
1: Enable fdinfo job profiling sources, this enables both the GPU's
- timestamp and cycle counter registers. \ No newline at end of file
+ timestamp and cycle counter registers.
diff --git a/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml b/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml
index 6ec471284f97..4ae152cc55e0 100644
--- a/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml
+++ b/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml
@@ -22,6 +22,8 @@ properties:
enum:
# Anberic RG353V-V2 5.0" 640x480 TFT LCD panel
- anbernic,rg353v-panel-v2
+ # GameForce Chi 3.5" 640x480 TFT LCD panel
+ - gameforce,chi-panel
# Powkiddy RGB10MAX3 5.0" 720x1280 TFT LCD panel
- powkiddy,rgb10max3-panel
# Powkiddy RGB30 3.0" 720x720 TFT LCD panel
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index e1b06c8819e0..9cab8385108c 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -531,6 +531,8 @@ patternProperties:
description: FX Technology Ltd.
"^galaxycore,.*":
description: GalaxyCore Inc.
+ "^gameforce,.*":
+ description: GameForce
"^gardena,.*":
description: GARDENA GmbH
"^gateway,.*":
diff --git a/drivers/gpu/drm/ast/Makefile b/drivers/gpu/drm/ast/Makefile
index 5a53ce51fb24..d794c076bc24 100644
--- a/drivers/gpu/drm/ast/Makefile
+++ b/drivers/gpu/drm/ast/Makefile
@@ -3,6 +3,14 @@
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
-ast-y := ast_drv.o ast_i2c.o ast_main.o ast_mm.o ast_mode.o ast_post.o ast_dp501.o ast_dp.o
+ast-y := \
+ ast_ddc.o \
+ ast_dp501.o \
+ ast_dp.o \
+ ast_drv.o \
+ ast_main.o \
+ ast_mm.o \
+ ast_mode.o \
+ ast_post.o
obj-$(CONFIG_DRM_AST) := ast.o
diff --git a/drivers/gpu/drm/ast/ast_i2c.c b/drivers/gpu/drm/ast/ast_ddc.c
index e5d3f7121de4..b7718084422f 100644
--- a/drivers/gpu/drm/ast/ast_i2c.c
+++ b/drivers/gpu/drm/ast/ast_ddc.c
@@ -24,17 +24,18 @@
#include <drm/drm_managed.h>
#include <drm/drm_print.h>
+#include "ast_ddc.h"
#include "ast_drv.h"
-static void ast_i2c_setsda(void *i2c_priv, int data)
+static void ast_ddc_algo_bit_data_setsda(void *data, int state)
{
- struct ast_i2c_chan *i2c = i2c_priv;
- struct ast_device *ast = to_ast_device(i2c->dev);
+ struct ast_ddc *ddc = data;
+ struct ast_device *ast = ddc->ast;
int i;
u8 ujcrb7, jtemp;
for (i = 0; i < 0x10000; i++) {
- ujcrb7 = ((data & 0x01) ? 0 : 1) << 2;
+ ujcrb7 = ((state & 0x01) ? 0 : 1) << 2;
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb7, 0xf1, ujcrb7);
jtemp = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xb7, 0x04);
if (ujcrb7 == jtemp)
@@ -42,15 +43,15 @@ static void ast_i2c_setsda(void *i2c_priv, int data)
}
}
-static void ast_i2c_setscl(void *i2c_priv, int clock)
+static void ast_ddc_algo_bit_data_setscl(void *data, int state)
{
- struct ast_i2c_chan *i2c = i2c_priv;
- struct ast_device *ast = to_ast_device(i2c->dev);
+ struct ast_ddc *ddc = data;
+ struct ast_device *ast = ddc->ast;
int i;
u8 ujcrb7, jtemp;
for (i = 0; i < 0x10000; i++) {
- ujcrb7 = ((clock & 0x01) ? 0 : 1);
+ ujcrb7 = ((state & 0x01) ? 0 : 1);
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb7, 0xf4, ujcrb7);
jtemp = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xb7, 0x01);
if (ujcrb7 == jtemp)
@@ -58,10 +59,32 @@ static void ast_i2c_setscl(void *i2c_priv, int clock)
}
}
-static int ast_i2c_getsda(void *i2c_priv)
+static int ast_ddc_algo_bit_data_pre_xfer(struct i2c_adapter *adapter)
{
- struct ast_i2c_chan *i2c = i2c_priv;
- struct ast_device *ast = to_ast_device(i2c->dev);
+ struct ast_ddc *ddc = i2c_get_adapdata(adapter);
+ struct ast_device *ast = ddc->ast;
+
+ /*
+ * Protect access to I/O registers from concurrent modesetting
+ * by acquiring the I/O-register lock.
+ */
+ mutex_lock(&ast->modeset_lock);
+
+ return 0;
+}
+
+static void ast_ddc_algo_bit_data_post_xfer(struct i2c_adapter *adapter)
+{
+ struct ast_ddc *ddc = i2c_get_adapdata(adapter);
+ struct ast_device *ast = ddc->ast;
+
+ mutex_unlock(&ast->modeset_lock);
+}
+
+static int ast_ddc_algo_bit_data_getsda(void *data)
+{
+ struct ast_ddc *ddc = data;
+ struct ast_device *ast = ddc->ast;
uint32_t val, val2, count, pass;
count = 0;
@@ -80,10 +103,10 @@ static int ast_i2c_getsda(void *i2c_priv)
return val & 1 ? 1 : 0;
}
-static int ast_i2c_getscl(void *i2c_priv)
+static int ast_ddc_algo_bit_data_getscl(void *data)
{
- struct ast_i2c_chan *i2c = i2c_priv;
- struct ast_device *ast = to_ast_device(i2c->dev);
+ struct ast_ddc *ddc = data;
+ struct ast_device *ast = ddc->ast;
uint32_t val, val2, count, pass;
count = 0;
@@ -102,50 +125,53 @@ static int ast_i2c_getscl(void *i2c_priv)
return val & 1 ? 1 : 0;
}
-static void ast_i2c_release(struct drm_device *dev, void *res)
+static void ast_ddc_release(struct drm_device *dev, void *res)
{
- struct ast_i2c_chan *i2c = res;
+ struct ast_ddc *ddc = res;
- i2c_del_adapter(&i2c->adapter);
- kfree(i2c);
+ i2c_del_adapter(&ddc->adapter);
}
-struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev)
+struct ast_ddc *ast_ddc_create(struct ast_device *ast)
{
- struct ast_i2c_chan *i2c;
+ struct drm_device *dev = &ast->base;
+ struct ast_ddc *ddc;
+ struct i2c_adapter *adapter;
+ struct i2c_algo_bit_data *bit;
int ret;
- i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL);
- if (!i2c)
- return NULL;
-
- i2c->adapter.owner = THIS_MODULE;
- i2c->adapter.dev.parent = dev->dev;
- i2c->dev = dev;
- i2c_set_adapdata(&i2c->adapter, i2c);
- snprintf(i2c->adapter.name, sizeof(i2c->adapter.name),
- "AST i2c bit bus");
- i2c->adapter.algo_data = &i2c->bit;
-
- i2c->bit.udelay = 20;
- i2c->bit.timeout = 2;
- i2c->bit.data = i2c;
- i2c->bit.setsda = ast_i2c_setsda;
- i2c->bit.setscl = ast_i2c_setscl;
- i2c->bit.getsda = ast_i2c_getsda;
- i2c->bit.getscl = ast_i2c_getscl;
- ret = i2c_bit_add_bus(&i2c->adapter);
+ ddc = drmm_kzalloc(dev, sizeof(*ddc), GFP_KERNEL);
+ if (!ddc)
+ return ERR_PTR(-ENOMEM);
+ ddc->ast = ast;
+
+ adapter = &ddc->adapter;
+ adapter->owner = THIS_MODULE;
+ adapter->dev.parent = dev->dev;
+ i2c_set_adapdata(adapter, ddc);
+ snprintf(adapter->name, sizeof(adapter->name), "AST DDC bus");
+
+ bit = &ddc->bit;
+ bit->udelay = 20;
+ bit->timeout = 2;
+ bit->data = ddc;
+ bit->setsda = ast_ddc_algo_bit_data_setsda;
+ bit->setscl = ast_ddc_algo_bit_data_setscl;
+ bit->getsda = ast_ddc_algo_bit_data_getsda;
+ bit->getscl = ast_ddc_algo_bit_data_getscl;
+ bit->pre_xfer = ast_ddc_algo_bit_data_pre_xfer;
+ bit->post_xfer = ast_ddc_algo_bit_data_post_xfer;
+
+ adapter->algo_data = bit;
+ ret = i2c_bit_add_bus(adapter);
if (ret) {
drm_err(dev, "Failed to register bit i2c\n");
- goto out_kfree;
+ return ERR_PTR(ret);
}
- ret = drmm_add_action_or_reset(dev, ast_i2c_release, i2c);
+ ret = drmm_add_action_or_reset(dev, ast_ddc_release, ddc);
if (ret)
- return NULL;
- return i2c;
+ return ERR_PTR(ret);
-out_kfree:
- kfree(i2c);
- return NULL;
+ return ddc;
}
diff --git a/drivers/gpu/drm/ast/ast_ddc.h b/drivers/gpu/drm/ast/ast_ddc.h
new file mode 100644
index 000000000000..08f3994e09cc
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_ddc.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef __AST_DDC_H__
+#define __AST_DDC_H__
+
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+
+struct ast_device;
+
+struct ast_ddc {
+ struct ast_device *ast;
+
+ struct i2c_adapter adapter;
+ struct i2c_algo_bit_data bit;
+};
+
+struct ast_ddc *ast_ddc_create(struct ast_device *ast);
+
+#endif
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index 90bcb1eb9cd9..f8c49ba68e78 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -27,6 +27,7 @@
*/
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/pci.h>
#include <drm/drm_aperture.h>
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 3be5ccf1f5f4..ba3d86973995 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -28,8 +28,6 @@
#ifndef __AST_DRV_H__
#define __AST_DRV_H__
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
#include <linux/io.h>
#include <linux/types.h>
@@ -149,37 +147,9 @@ static inline struct ast_plane *to_ast_plane(struct drm_plane *plane)
}
/*
- * Connector with i2c channel
+ * BMC
*/
-struct ast_i2c_chan {
- struct i2c_adapter adapter;
- struct drm_device *dev;
- struct i2c_algo_bit_data bit;
-};
-
-struct ast_vga_connector {
- struct drm_connector base;
- struct ast_i2c_chan *i2c;
-};
-
-static inline struct ast_vga_connector *
-to_ast_vga_connector(struct drm_connector *connector)
-{
- return container_of(connector, struct ast_vga_connector, base);
-}
-
-struct ast_sil164_connector {
- struct drm_connector base;
- struct ast_i2c_chan *i2c;
-};
-
-static inline struct ast_sil164_connector *
-to_ast_sil164_connector(struct drm_connector *connector)
-{
- return container_of(connector, struct ast_sil164_connector, base);
-}
-
struct ast_bmc_connector {
struct drm_connector base;
struct drm_connector *physical_connector;
@@ -222,11 +192,11 @@ struct ast_device {
struct {
struct {
struct drm_encoder encoder;
- struct ast_vga_connector vga_connector;
+ struct drm_connector connector;
} vga;
struct {
struct drm_encoder encoder;
- struct ast_sil164_connector sil164_connector;
+ struct drm_connector connector;
} sil164;
struct {
struct drm_encoder encoder;
@@ -498,9 +468,6 @@ bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
u8 ast_get_dp501_max_clk(struct drm_device *dev);
void ast_init_3rdtx(struct drm_device *dev);
-/* ast_i2c.c */
-struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
-
/* aspeed DP */
bool ast_astdp_is_connected(struct ast_device *ast);
int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 2f3ad5f949fc..0637abb70361 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -26,6 +26,7 @@
* Authors: Dave Airlie <[email protected]>
*/
+#include <linux/of.h>
#include <linux/pci.h>
#include <drm/drm_atomic_helper.h>
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index a718646a66b8..bb9b66aba9ee 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -46,6 +46,7 @@
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
+#include "ast_ddc.h"
#include "ast_drv.h"
#include "ast_tables.h"
@@ -1343,43 +1344,9 @@ static int ast_crtc_init(struct drm_device *dev)
* VGA Connector
*/
-static int ast_vga_connector_helper_get_modes(struct drm_connector *connector)
-{
- struct ast_vga_connector *ast_vga_connector = to_ast_vga_connector(connector);
- struct drm_device *dev = connector->dev;
- struct ast_device *ast = to_ast_device(dev);
- struct edid *edid;
- int count;
-
- if (!ast_vga_connector->i2c)
- goto err_drm_connector_update_edid_property;
-
- /*
- * Protect access to I/O registers from concurrent modesetting
- * by acquiring the I/O-register lock.
- */
- mutex_lock(&ast->modeset_lock);
-
- edid = drm_get_edid(connector, &ast_vga_connector->i2c->adapter);
- if (!edid)
- goto err_mutex_unlock;
-
- mutex_unlock(&ast->modeset_lock);
-
- count = drm_add_edid_modes(connector, edid);
- kfree(edid);
-
- return count;
-
-err_mutex_unlock:
- mutex_unlock(&ast->modeset_lock);
-err_drm_connector_update_edid_property:
- drm_connector_update_edid_property(connector, NULL);
- return 0;
-}
-
static const struct drm_connector_helper_funcs ast_vga_connector_helper_funcs = {
- .get_modes = ast_vga_connector_helper_get_modes,
+ .get_modes = drm_connector_helper_get_modes,
+ .detect_ctx = drm_connector_helper_detect_from_ddc,
};
static const struct drm_connector_funcs ast_vga_connector_funcs = {
@@ -1390,23 +1357,21 @@ static const struct drm_connector_funcs ast_vga_connector_funcs = {
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-static int ast_vga_connector_init(struct drm_device *dev,
- struct ast_vga_connector *ast_vga_connector)
+static int ast_vga_connector_init(struct drm_device *dev, struct drm_connector *connector)
{
- struct drm_connector *connector = &ast_vga_connector->base;
+ struct ast_device *ast = to_ast_device(dev);
+ struct ast_ddc *ddc;
int ret;
- ast_vga_connector->i2c = ast_i2c_create(dev);
- if (!ast_vga_connector->i2c)
- drm_err(dev, "failed to add ddc bus for connector\n");
+ ddc = ast_ddc_create(ast);
+ if (IS_ERR(ddc)) {
+ ret = PTR_ERR(ddc);
+ drm_err(dev, "failed to add DDC bus for connector; ret=%d\n", ret);
+ return ret;
+ }
- if (ast_vga_connector->i2c)
- ret = drm_connector_init_with_ddc(dev, connector, &ast_vga_connector_funcs,
- DRM_MODE_CONNECTOR_VGA,
- &ast_vga_connector->i2c->adapter);
- else
- ret = drm_connector_init(dev, connector, &ast_vga_connector_funcs,
- DRM_MODE_CONNECTOR_VGA);
+ ret = drm_connector_init_with_ddc(dev, connector, &ast_vga_connector_funcs,
+ DRM_MODE_CONNECTOR_VGA, &ddc->adapter);
if (ret)
return ret;
@@ -1415,7 +1380,7 @@ static int ast_vga_connector_init(struct drm_device *dev,
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
- connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
return 0;
}
@@ -1425,8 +1390,7 @@ static int ast_vga_output_init(struct ast_device *ast)
struct drm_device *dev = &ast->base;
struct drm_crtc *crtc = &ast->crtc;
struct drm_encoder *encoder = &ast->output.vga.encoder;
- struct ast_vga_connector *ast_vga_connector = &ast->output.vga.vga_connector;
- struct drm_connector *connector = &ast_vga_connector->base;
+ struct drm_connector *connector = &ast->output.vga.connector;
int ret;
ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC);
@@ -1434,7 +1398,7 @@ static int ast_vga_output_init(struct ast_device *ast)
return ret;
encoder->possible_crtcs = drm_crtc_mask(crtc);
- ret = ast_vga_connector_init(dev, ast_vga_connector);
+ ret = ast_vga_connector_init(dev, connector);
if (ret)
return ret;
@@ -1449,43 +1413,9 @@ static int ast_vga_output_init(struct ast_device *ast)
* SIL164 Connector
*/
-static int ast_sil164_connector_helper_get_modes(struct drm_connector *connector)
-{
- struct ast_sil164_connector *ast_sil164_connector = to_ast_sil164_connector(connector);
- struct drm_device *dev = connector->dev;
- struct ast_device *ast = to_ast_device(dev);
- struct edid *edid;
- int count;
-
- if (!ast_sil164_connector->i2c)
- goto err_drm_connector_update_edid_property;
-
- /*
- * Protect access to I/O registers from concurrent modesetting
- * by acquiring the I/O-register lock.
- */
- mutex_lock(&ast->modeset_lock);
-
- edid = drm_get_edid(connector, &ast_sil164_connector->i2c->adapter);
- if (!edid)
- goto err_mutex_unlock;
-
- mutex_unlock(&ast->modeset_lock);
-
- count = drm_add_edid_modes(connector, edid);
- kfree(edid);
-
- return count;
-
-err_mutex_unlock:
- mutex_unlock(&ast->modeset_lock);
-err_drm_connector_update_edid_property:
- drm_connector_update_edid_property(connector, NULL);
- return 0;
-}
-
static const struct drm_connector_helper_funcs ast_sil164_connector_helper_funcs = {
- .get_modes = ast_sil164_connector_helper_get_modes,
+ .get_modes = drm_connector_helper_get_modes,
+ .detect_ctx = drm_connector_helper_detect_from_ddc,
};
static const struct drm_connector_funcs ast_sil164_connector_funcs = {
@@ -1496,23 +1426,21 @@ static const struct drm_connector_funcs ast_sil164_connector_funcs = {
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-static int ast_sil164_connector_init(struct drm_device *dev,
- struct ast_sil164_connector *ast_sil164_connector)
+static int ast_sil164_connector_init(struct drm_device *dev, struct drm_connector *connector)
{
- struct drm_connector *connector = &ast_sil164_connector->base;
+ struct ast_device *ast = to_ast_device(dev);
+ struct ast_ddc *ddc;
int ret;
- ast_sil164_connector->i2c = ast_i2c_create(dev);
- if (!ast_sil164_connector->i2c)
- drm_err(dev, "failed to add ddc bus for connector\n");
+ ddc = ast_ddc_create(ast);
+ if (IS_ERR(ddc)) {
+ ret = PTR_ERR(ddc);
+ drm_err(dev, "failed to add DDC bus for connector; ret=%d\n", ret);
+ return ret;
+ }
- if (ast_sil164_connector->i2c)
- ret = drm_connector_init_with_ddc(dev, connector, &ast_sil164_connector_funcs,
- DRM_MODE_CONNECTOR_DVII,
- &ast_sil164_connector->i2c->adapter);
- else
- ret = drm_connector_init(dev, connector, &ast_sil164_connector_funcs,
- DRM_MODE_CONNECTOR_DVII);
+ ret = drm_connector_init_with_ddc(dev, connector, &ast_sil164_connector_funcs,
+ DRM_MODE_CONNECTOR_DVII, &ddc->adapter);
if (ret)
return ret;
@@ -1521,7 +1449,7 @@ static int ast_sil164_connector_init(struct drm_device *dev,
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
- connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
return 0;
}
@@ -1531,8 +1459,7 @@ static int ast_sil164_output_init(struct ast_device *ast)
struct drm_device *dev = &ast->base;
struct drm_crtc *crtc = &ast->crtc;
struct drm_encoder *encoder = &ast->output.sil164.encoder;
- struct ast_sil164_connector *ast_sil164_connector = &ast->output.sil164.sil164_connector;
- struct drm_connector *connector = &ast_sil164_connector->base;
+ struct drm_connector *connector = &ast->output.sil164.connector;
int ret;
ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
@@ -1540,7 +1467,7 @@ static int ast_sil164_output_init(struct ast_device *ast)
return ret;
encoder->possible_crtcs = drm_crtc_mask(crtc);
- ret = ast_sil164_connector_init(dev, ast_sil164_connector);
+ ret = ast_sil164_connector_init(dev, connector);
if (ret)
return ret;
@@ -1952,13 +1879,13 @@ int ast_mode_config_init(struct ast_device *ast)
ret = ast_vga_output_init(ast);
if (ret)
return ret;
- physical_connector = &ast->output.vga.vga_connector.base;
+ physical_connector = &ast->output.vga.connector;
}
if (ast->tx_chip_types & AST_TX_SIL164_BIT) {
ret = ast_sil164_output_init(ast);
if (ret)
return ret;
- physical_connector = &ast->output.sil164.sil164_connector.base;
+ physical_connector = &ast->output.sil164.connector;
}
if (ast->tx_chip_types & AST_TX_DP501_BIT) {
ret = ast_dp501_output_init(ast);
@@ -1978,7 +1905,9 @@ int ast_mode_config_init(struct ast_device *ast)
drm_mode_config_reset(dev);
- drm_kms_helper_poll_init(dev);
+ ret = drmm_kms_helper_poll_init(dev);
+ if (ret)
+ return ret;
return 0;
}
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index b5518ff97165..f3b4616a8fb6 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -477,6 +477,11 @@ static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
if (ret < 0)
return ret;
+ /* If there is no IRQ to handle, exit indicating no IRQ data */
+ if (!(irq0 & (ADV7511_INT0_HPD | ADV7511_INT0_EDID_READY)) &&
+ !(irq1 & ADV7511_INT1_DDC_ERROR))
+ return -ENODATA;
+
regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0);
regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
@@ -1318,7 +1323,8 @@ static int adv7511_probe(struct i2c_client *i2c)
ret = devm_request_threaded_irq(dev, i2c->irq, NULL,
adv7511_irq_handler,
- IRQF_ONESHOT, dev_name(dev),
+ IRQF_ONESHOT | IRQF_SHARED,
+ dev_name(dev),
adv7511);
if (ret)
goto err_unregister_audio;
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index bf2dd1f46b6c..968a3ee66b1e 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -37,6 +37,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
@@ -951,6 +952,32 @@ void drm_kms_helper_poll_fini(struct drm_device *dev)
}
EXPORT_SYMBOL(drm_kms_helper_poll_fini);
+static void drm_kms_helper_poll_init_release(struct drm_device *dev, void *res)
+{
+ drm_kms_helper_poll_fini(dev);
+}
+
+/**
+ * drmm_kms_helper_poll_init - initialize and enable output polling
+ * @dev: drm_device
+ *
+ * This function initializes and then also enables output polling support for
+ * @dev similar to drm_kms_helper_poll_init(). Polling will automatically be
+ * cleaned up when the DRM device goes away.
+ *
+ * See drm_kms_helper_poll_init() for more information.
+ *
+ * Returns:
+ * 0 on success, or a negative errno code otherwise.
+ */
+int drmm_kms_helper_poll_init(struct drm_device *dev)
+{
+ drm_kms_helper_poll_init(dev);
+
+ return drmm_add_action_or_reset(dev, drm_kms_helper_poll_init_release, dev);
+}
+EXPORT_SYMBOL(drmm_kms_helper_poll_init);
+
static bool check_connector_changed(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
@@ -1279,3 +1306,32 @@ int drm_connector_helper_tv_get_modes(struct drm_connector *connector)
return i;
}
EXPORT_SYMBOL(drm_connector_helper_tv_get_modes);
+
+/**
+ * drm_connector_helper_detect_from_ddc - Read EDID and detect connector status.
+ * @connector: The connector
+ * @ctx: Acquire context
+ * @force: Perform screen-destructive operations, if necessary
+ *
+ * Detects the connector status by reading the EDID using drm_probe_ddc(),
+ * which requires connector->ddc to be set. Returns connector_status_connected
+ * on success or connector_status_disconnected on failure.
+ *
+ * Returns:
+ * The connector status as defined by enum drm_connector_status.
+ */
+int drm_connector_helper_detect_from_ddc(struct drm_connector *connector,
+ struct drm_modeset_acquire_ctx *ctx,
+ bool force)
+{
+ struct i2c_adapter *ddc = connector->ddc;
+
+ if (!ddc)
+ return connector_status_unknown;
+
+ if (drm_probe_ddc(ddc))
+ return connector_status_connected;
+
+ return connector_status_disconnected;
+}
+EXPORT_SYMBOL(drm_connector_helper_detect_from_ddc);
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 6a26a0b8eff2..58cd77220741 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -68,7 +68,7 @@ config DRM_EXYNOS_DP
bool "Exynos specific extensions for Analogix DP driver"
depends on DRM_EXYNOS_FIMD || DRM_EXYNOS7_DECON
depends on DRM_DISPLAY_DP_HELPER
- depends on DRM_DISPLAY_HELPER
+ depends on DRM_DISPLAY_HELPER=y || (DRM_DISPLAY_HELPER=m && DRM_EXYNOS=m)
select DRM_ANALOGIX_DP
default DRM_EXYNOS
select DRM_PANEL
diff --git a/drivers/gpu/drm/meson/meson_vclk.c b/drivers/gpu/drm/meson/meson_vclk.c
index 2a82119eb58e..2a942dc6a6dc 100644
--- a/drivers/gpu/drm/meson/meson_vclk.c
+++ b/drivers/gpu/drm/meson/meson_vclk.c
@@ -790,13 +790,13 @@ meson_vclk_vic_supported_freq(struct meson_drm *priv, unsigned int phy_freq,
FREQ_1000_1001(params[i].pixel_freq));
DRM_DEBUG_DRIVER("i = %d phy_freq = %d alt = %d\n",
i, params[i].phy_freq,
- FREQ_1000_1001(params[i].phy_freq/10)*10);
+ FREQ_1000_1001(params[i].phy_freq/1000)*1000);
/* Match strict frequency */
if (phy_freq == params[i].phy_freq &&
vclk_freq == params[i].vclk_freq)
return MODE_OK;
/* Match 1000/1001 variant */
- if (phy_freq == (FREQ_1000_1001(params[i].phy_freq/10)*10) &&
+ if (phy_freq == (FREQ_1000_1001(params[i].phy_freq/1000)*1000) &&
vclk_freq == FREQ_1000_1001(params[i].vclk_freq))
return MODE_OK;
}
@@ -1070,7 +1070,7 @@ void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
for (freq = 0 ; params[freq].pixel_freq ; ++freq) {
if ((phy_freq == params[freq].phy_freq ||
- phy_freq == FREQ_1000_1001(params[freq].phy_freq/10)*10) &&
+ phy_freq == FREQ_1000_1001(params[freq].phy_freq/1000)*1000) &&
(vclk_freq == params[freq].vclk_freq ||
vclk_freq == FREQ_1000_1001(params[freq].vclk_freq))) {
if (vclk_freq != params[freq].vclk_freq)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index a3e142f156d5..7d8302cca091 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -612,6 +612,92 @@ static const struct st7703_panel_desc rgb10max3_panel_desc = {
.init_sequence = rgb10max3_panel_init_sequence,
};
+static int gameforcechi_init_sequence(struct st7703 *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+
+ /*
+ * Init sequence was supplied by the panel vendor. Panel will not
+ * respond to commands until it is brought out of sleep mode first.
+ */
+
+ mipi_dsi_dcs_exit_sleep_mode(dsi);
+ msleep(250);
+
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x31, 0x81, 0x05, 0xf9,
+ 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x44, 0x25, 0x00, 0x91, 0x0a, 0x00,
+ 0x00, 0x02, 0x4f, 0xd1, 0x00, 0x00, 0x37);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x0c, 0x10, 0x0a,
+ 0x50, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50,
+ 0x00, 0x00, 0x08, 0x70, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x46);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0x00, 0x13, 0xf0);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x07, 0x07, 0x0b, 0x0b,
+ 0x03, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
+ 0xc0, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x53, 0x00, 0x1e,
+ 0x1e, 0x77, 0xe1, 0xcc, 0xdd, 0x67, 0x77, 0x33,
+ 0x33);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x10, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x6c, 0x7c);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0x08, 0x00, 0x0e, 0x00,
+ 0x00, 0xb0, 0xb1, 0x11, 0x31, 0x23, 0x28, 0x10,
+ 0xb0, 0xb1, 0x27, 0x08, 0x00, 0x04, 0x02, 0x00,
+ 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x00,
+ 0x88, 0x88, 0xba, 0x60, 0x24, 0x08, 0x88, 0x88,
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0xba, 0x71, 0x35,
+ 0x18, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 0x00,
+ 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, 0x97, 0x0a, 0x82, 0x02,
+ 0x13, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x80, 0x88, 0xba, 0x17, 0x53, 0x88, 0x88, 0x88,
+ 0x88, 0x88, 0x88, 0x81, 0x88, 0xba, 0x06, 0x42,
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 0x10,
+ 0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x07, 0x0b,
+ 0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 0x0a, 0x0b,
+ 0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18, 0x00, 0x07,
+ 0x0b, 0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 0xa0,
+ 0x0b, 0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18);
+
+ return 0;
+}
+
+static const struct drm_display_mode gameforcechi_mode = {
+ .hdisplay = 640,
+ .hsync_start = 640 + 40,
+ .hsync_end = 640 + 40 + 2,
+ .htotal = 640 + 40 + 2 + 80,
+ .vdisplay = 480,
+ .vsync_start = 480 + 17,
+ .vsync_end = 480 + 17 + 5,
+ .vtotal = 480 + 17 + 5 + 13,
+ .clock = 23546,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+ .width_mm = 71,
+ .height_mm = 53,
+};
+
+static const struct st7703_panel_desc gameforcechi_desc = {
+ .mode = &gameforcechi_mode,
+ .lanes = 2,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_MODE_LPM,
+ .format = MIPI_DSI_FMT_RGB888,
+ .init_sequence = gameforcechi_init_sequence,
+};
+
static int st7703_enable(struct drm_panel *panel)
{
struct st7703 *ctx = panel_to_st7703(panel);
@@ -887,6 +973,7 @@ static void st7703_remove(struct mipi_dsi_device *dsi)
static const struct of_device_id st7703_of_match[] = {
{ .compatible = "anbernic,rg353v-panel-v2", .data = &rg353v2_desc },
+ { .compatible = "gameforce,chi-panel", .data = &gameforcechi_desc },
{ .compatible = "powkiddy,rgb10max3-panel", .data = &rgb10max3_panel_desc },
{ .compatible = "powkiddy,rgb30-panel", .data = &rgb30panel_desc },
{ .compatible = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc },
diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c
index 8b00f342d1b1..75276cbeba20 100644
--- a/drivers/gpu/drm/panthor/panthor_device.c
+++ b/drivers/gpu/drm/panthor/panthor_device.c
@@ -348,7 +348,7 @@ static vm_fault_t panthor_mmio_vm_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct panthor_device *ptdev = vma->vm_private_data;
- u64 id = (u64)vma->vm_pgoff << PAGE_SHIFT;
+ u64 offset = (u64)vma->vm_pgoff << PAGE_SHIFT;
unsigned long pfn;
pgprot_t pgprot;
vm_fault_t ret;
@@ -361,7 +361,7 @@ static vm_fault_t panthor_mmio_vm_fault(struct vm_fault *vmf)
mutex_lock(&ptdev->pm.mmio_lock);
active = atomic_read(&ptdev->pm.state) == PANTHOR_DEVICE_PM_STATE_ACTIVE;
- switch (panthor_device_mmio_offset(id)) {
+ switch (offset) {
case DRM_PANTHOR_USER_FLUSH_ID_MMIO_OFFSET:
if (active)
pfn = __phys_to_pfn(ptdev->phys_addr + CSF_GPU_LATEST_FLUSH_ID);
@@ -392,9 +392,9 @@ static const struct vm_operations_struct panthor_mmio_vm_ops = {
int panthor_device_mmap_io(struct panthor_device *ptdev, struct vm_area_struct *vma)
{
- u64 id = (u64)vma->vm_pgoff << PAGE_SHIFT;
+ u64 offset = (u64)vma->vm_pgoff << PAGE_SHIFT;
- switch (panthor_device_mmio_offset(id)) {
+ switch (offset) {
case DRM_PANTHOR_USER_FLUSH_ID_MMIO_OFFSET:
if (vma->vm_end - vma->vm_start != PAGE_SIZE ||
(vma->vm_flags & (VM_WRITE | VM_EXEC)))
diff --git a/drivers/gpu/drm/panthor/panthor_device.h b/drivers/gpu/drm/panthor/panthor_device.h
index c84c27dcc92c..2fdd671b38fd 100644
--- a/drivers/gpu/drm/panthor/panthor_device.h
+++ b/drivers/gpu/drm/panthor/panthor_device.h
@@ -323,31 +323,18 @@ static irqreturn_t panthor_ ## __name ## _irq_threaded_handler(int irq, void *da
\
static inline void panthor_ ## __name ## _irq_suspend(struct panthor_irq *pirq) \
{ \
- int cookie; \
- \
- atomic_set(&pirq->suspended, true); \
- \
- if (drm_dev_enter(&pirq->ptdev->base, &cookie)) { \
- gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, 0); \
- synchronize_irq(pirq->irq); \
- drm_dev_exit(cookie); \
- } \
- \
pirq->mask = 0; \
+ gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, 0); \
+ synchronize_irq(pirq->irq); \
+ atomic_set(&pirq->suspended, true); \
} \
\
static inline void panthor_ ## __name ## _irq_resume(struct panthor_irq *pirq, u32 mask) \
{ \
- int cookie; \
- \
atomic_set(&pirq->suspended, false); \
pirq->mask = mask; \
- \
- if (drm_dev_enter(&pirq->ptdev->base, &cookie)) { \
- gpu_write(pirq->ptdev, __reg_prefix ## _INT_CLEAR, mask); \
- gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, mask); \
- drm_dev_exit(cookie); \
- } \
+ gpu_write(pirq->ptdev, __reg_prefix ## _INT_CLEAR, mask); \
+ gpu_write(pirq->ptdev, __reg_prefix ## _INT_MASK, mask); \
} \
\
static int panthor_request_ ## __name ## _irq(struct panthor_device *ptdev, \
@@ -365,30 +352,6 @@ static int panthor_request_ ## __name ## _irq(struct panthor_device *ptdev, \
pirq); \
}
-/**
- * panthor_device_mmio_offset() - Turn a user MMIO offset into a kernel one
- * @offset: Offset to convert.
- *
- * With 32-bit systems being limited by the 32-bit representation of mmap2's
- * pgoffset field, we need to make the MMIO offset arch specific. This function
- * converts a user MMIO offset into something the kernel driver understands.
- *
- * If the kernel and userspace architecture match, the offset is unchanged. If
- * the kernel is 64-bit and userspace is 32-bit, the offset is adjusted to match
- * 64-bit offsets. 32-bit kernel with 64-bit userspace is impossible.
- *
- * Return: Adjusted offset.
- */
-static inline u64 panthor_device_mmio_offset(u64 offset)
-{
-#ifdef CONFIG_ARM64
- if (test_tsk_thread_flag(current, TIF_32BIT))
- offset += DRM_PANTHOR_USER_MMIO_OFFSET_64BIT - DRM_PANTHOR_USER_MMIO_OFFSET_32BIT;
-#endif
-
- return offset;
-}
-
extern struct workqueue_struct *panthor_cleanup_wq;
#endif
diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c
index 11b3ccd58f85..b8a84f26b3ef 100644
--- a/drivers/gpu/drm/panthor/panthor_drv.c
+++ b/drivers/gpu/drm/panthor/panthor_drv.c
@@ -1090,8 +1090,8 @@ static int panthor_ioctl_tiler_heap_destroy(struct drm_device *ddev, void *data,
return -EINVAL;
pool = panthor_vm_get_heap_pool(vm, false);
- if (!pool) {
- ret = -EINVAL;
+ if (IS_ERR(pool)) {
+ ret = PTR_ERR(pool);
goto out_put_vm;
}
@@ -1327,7 +1327,22 @@ static int panthor_mmap(struct file *filp, struct vm_area_struct *vma)
if (!drm_dev_enter(file->minor->dev, &cookie))
return -ENODEV;
- if (panthor_device_mmio_offset(offset) >= DRM_PANTHOR_USER_MMIO_OFFSET)
+#ifdef CONFIG_ARM64
+ /*
+ * With 32-bit systems being limited by the 32-bit representation of
+ * mmap2's pgoffset field, we need to make the MMIO offset arch
+ * specific. This converts a user MMIO offset into something the kernel
+ * driver understands.
+ */
+ if (test_tsk_thread_flag(current, TIF_32BIT) &&
+ offset >= DRM_PANTHOR_USER_MMIO_OFFSET_32BIT) {
+ offset += DRM_PANTHOR_USER_MMIO_OFFSET_64BIT -
+ DRM_PANTHOR_USER_MMIO_OFFSET_32BIT;
+ vma->vm_pgoff = offset >> PAGE_SHIFT;
+ }
+#endif
+
+ if (offset >= DRM_PANTHOR_USER_MMIO_OFFSET)
ret = panthor_device_mmap_io(ptdev, vma);
else
ret = drm_gem_mmap(filp, vma);
@@ -1385,7 +1400,7 @@ static int panthor_probe(struct platform_device *pdev)
ptdev = devm_drm_dev_alloc(&pdev->dev, &panthor_drm_driver,
struct panthor_device, base);
- if (!ptdev)
+ if (IS_ERR(ptdev))
return -ENOMEM;
platform_set_drvdata(pdev, ptdev);
diff --git a/drivers/gpu/drm/panthor/panthor_fw.c b/drivers/gpu/drm/panthor/panthor_fw.c
index 33c87a59834e..181395e2859a 100644
--- a/drivers/gpu/drm/panthor/panthor_fw.c
+++ b/drivers/gpu/drm/panthor/panthor_fw.c
@@ -308,7 +308,7 @@ panthor_fw_get_csg_iface(struct panthor_device *ptdev, u32 csg_slot)
struct panthor_fw_cs_iface *
panthor_fw_get_cs_iface(struct panthor_device *ptdev, u32 csg_slot, u32 cs_slot)
{
- if (drm_WARN_ON(&ptdev->base, csg_slot >= MAX_CSGS || cs_slot > MAX_CS_PER_CSG))
+ if (drm_WARN_ON(&ptdev->base, csg_slot >= MAX_CSGS || cs_slot >= MAX_CS_PER_CSG))
return NULL;
return &ptdev->fw->iface.streams[csg_slot][cs_slot];
diff --git a/drivers/gpu/drm/panthor/panthor_gpu.c b/drivers/gpu/drm/panthor/panthor_gpu.c
index 0f7c962440d3..5251d8764e7d 100644
--- a/drivers/gpu/drm/panthor/panthor_gpu.c
+++ b/drivers/gpu/drm/panthor/panthor_gpu.c
@@ -211,8 +211,8 @@ int panthor_gpu_init(struct panthor_device *ptdev)
return ret;
irq = platform_get_irq_byname(to_platform_device(ptdev->base.dev), "gpu");
- if (irq <= 0)
- return ret;
+ if (irq < 0)
+ return irq;
ret = panthor_request_gpu_irq(ptdev, &ptdev->gpu->irq, irq, GPU_INTERRUPTS_MASK);
if (ret)
diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/panthor/panthor_mmu.c
index fdd35249169f..fa0a002b1016 100644
--- a/drivers/gpu/drm/panthor/panthor_mmu.c
+++ b/drivers/gpu/drm/panthor/panthor_mmu.c
@@ -1264,8 +1264,10 @@ static int panthor_vm_prepare_map_op_ctx(struct panthor_vm_op_ctx *op_ctx,
op_ctx->rsvd_page_tables.pages = kcalloc(pt_count,
sizeof(*op_ctx->rsvd_page_tables.pages),
GFP_KERNEL);
- if (!op_ctx->rsvd_page_tables.pages)
+ if (!op_ctx->rsvd_page_tables.pages) {
+ ret = -ENOMEM;
goto err_cleanup;
+ }
ret = kmem_cache_alloc_bulk(pt_cache, GFP_KERNEL, pt_count,
op_ctx->rsvd_page_tables.pages);
@@ -1318,8 +1320,10 @@ static int panthor_vm_prepare_unmap_op_ctx(struct panthor_vm_op_ctx *op_ctx,
op_ctx->rsvd_page_tables.pages = kcalloc(pt_count,
sizeof(*op_ctx->rsvd_page_tables.pages),
GFP_KERNEL);
- if (!op_ctx->rsvd_page_tables.pages)
+ if (!op_ctx->rsvd_page_tables.pages) {
+ ret = -ENOMEM;
goto err_cleanup;
+ }
ret = kmem_cache_alloc_bulk(pt_cache, GFP_KERNEL, pt_count,
op_ctx->rsvd_page_tables.pages);
@@ -1893,6 +1897,8 @@ struct panthor_heap_pool *panthor_vm_get_heap_pool(struct panthor_vm *vm, bool c
vm->heaps.pool = panthor_heap_pool_get(pool);
} else {
pool = panthor_heap_pool_get(vm->heaps.pool);
+ if (!pool)
+ pool = ERR_PTR(-ENOENT);
}
mutex_unlock(&vm->heaps.lock);
diff --git a/drivers/gpu/drm/panthor/panthor_sched.c b/drivers/gpu/drm/panthor/panthor_sched.c
index 5f7803b6fc48..d4bc652b34d5 100644
--- a/drivers/gpu/drm/panthor/panthor_sched.c
+++ b/drivers/gpu/drm/panthor/panthor_sched.c
@@ -517,7 +517,7 @@ struct panthor_group {
/** @max_compute_cores: Maximum number of shader cores used for compute jobs. */
u8 max_compute_cores;
- /** @max_compute_cores: Maximum number of shader cores used for fragment jobs. */
+ /** @max_fragment_cores: Maximum number of shader cores used for fragment jobs. */
u8 max_fragment_cores;
/** @max_tiler_cores: Maximum number of tiler cores used for tiler jobs. */
@@ -993,7 +993,7 @@ cs_slot_prog_locked(struct panthor_device *ptdev, u32 csg_id, u32 cs_id)
}
/**
- * @cs_slot_reset_locked() - Reset a queue slot
+ * cs_slot_reset_locked() - Reset a queue slot
* @ptdev: Device.
* @csg_id: Group slot.
* @cs_id: Queue slot.
@@ -1343,7 +1343,7 @@ static int group_process_tiler_oom(struct panthor_group *group, u32 cs_id)
if (unlikely(csg_id < 0))
return 0;
- if (!heaps || frag_end > vt_end || vt_end >= vt_start) {
+ if (IS_ERR(heaps) || frag_end > vt_end || vt_end >= vt_start) {
ret = -EINVAL;
} else {
/* We do the allocation without holding the scheduler lock to avoid
@@ -1591,7 +1591,7 @@ static void sched_process_idle_event_locked(struct panthor_device *ptdev)
}
/**
- * panthor_sched_process_global_irq() - Process the scheduling part of a global IRQ
+ * sched_process_global_irq_locked() - Process the scheduling part of a global IRQ
* @ptdev: Device.
*/
static void sched_process_global_irq_locked(struct panthor_device *ptdev)
@@ -1660,8 +1660,6 @@ static const struct dma_fence_ops panthor_queue_fence_ops = {
.get_timeline_name = queue_fence_get_timeline_name,
};
-/**
- */
struct panthor_csg_slots_upd_ctx {
u32 update_mask;
u32 timedout_mask;
@@ -2045,7 +2043,7 @@ tick_ctx_apply(struct panthor_scheduler *sched, struct panthor_sched_tick_ctx *c
struct panthor_device *ptdev = sched->ptdev;
struct panthor_csg_slot *csg_slot;
int prio, new_csg_prio = MAX_CSG_PRIO, i;
- u32 csg_mod_mask = 0, free_csg_slots = 0;
+ u32 free_csg_slots = 0;
struct panthor_csg_slots_upd_ctx upd_ctx;
int ret;
@@ -2139,7 +2137,6 @@ tick_ctx_apply(struct panthor_scheduler *sched, struct panthor_sched_tick_ctx *c
csg_iface = panthor_fw_get_csg_iface(ptdev, csg_id);
csg_slot = &sched->csg_slots[csg_id];
- csg_mod_mask |= BIT(csg_id);
group_bind_locked(group, csg_id);
csg_slot_prog_locked(ptdev, csg_id, new_csg_prio--);
csgs_upd_ctx_queue_reqs(ptdev, &upd_ctx, csg_id,
diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
index 4b49a14758fe..4b4ad75032fd 100644
--- a/drivers/gpu/drm/rockchip/Kconfig
+++ b/drivers/gpu/drm/rockchip/Kconfig
@@ -46,7 +46,7 @@ config ROCKCHIP_ANALOGIX_DP
config ROCKCHIP_CDN_DP
bool "Rockchip cdn DP"
depends on DRM_DISPLAY_DP_HELPER
- depends on DRM_DISPLAY_HELPER
+ depends on DRM_DISPLAY_HELPER=y || (DRM_DISPLAY_HELPER=m && DRM_ROCKCHIP=m)
depends on EXTCON=y || (EXTCON=m && DRM_ROCKCHIP=m)
help
This selects support for Rockchip SoC specific extensions
diff --git a/drivers/gpu/drm/vmwgfx/ttm_object.c b/drivers/gpu/drm/vmwgfx/ttm_object.c
index 6806c05e57f6..3353e97687d1 100644
--- a/drivers/gpu/drm/vmwgfx/ttm_object.c
+++ b/drivers/gpu/drm/vmwgfx/ttm_object.c
@@ -87,14 +87,11 @@ struct ttm_object_file {
*
* @object_lock: lock that protects idr.
*
- * @object_count: Per device object count.
- *
* This is the per-device data structure needed for ttm object management.
*/
struct ttm_object_device {
spinlock_t object_lock;
- atomic_t object_count;
struct dma_buf_ops ops;
void (*dmabuf_release)(struct dma_buf *dma_buf);
struct idr idr;
@@ -431,7 +428,6 @@ ttm_object_device_init(const struct dma_buf_ops *ops)
return NULL;
spin_lock_init(&tdev->object_lock);
- atomic_set(&tdev->object_count, 0);
/*
* Our base is at VMWGFX_NUM_MOB + 1 because we want to create
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 12efecc17df6..01f41fbb9c3b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -117,25 +117,8 @@ struct vmwgfx_hash_item {
unsigned long key;
};
-
-/**
- * struct vmw_validate_buffer - Carries validation info about buffers.
- *
- * @base: Validation info for TTM.
- * @hash: Hash entry for quick lookup of the TTM buffer object.
- *
- * This structure contains also driver private validation info
- * on top of the info needed by TTM.
- */
-struct vmw_validate_buffer {
- struct ttm_validate_buffer base;
- struct vmwgfx_hash_item hash;
- bool validate_as_mob;
-};
-
struct vmw_res_func;
-
/**
* struct vmw-resource - base class for hardware resources
*
@@ -445,15 +428,6 @@ struct vmw_sw_context{
struct vmw_legacy_display;
struct vmw_overlay;
-struct vmw_vga_topology_state {
- uint32_t width;
- uint32_t height;
- uint32_t primary;
- uint32_t pos_x;
- uint32_t pos_y;
-};
-
-
/*
* struct vmw_otable - Guest Memory OBject table metadata
*
@@ -501,7 +475,6 @@ struct vmw_private {
struct drm_device drm;
struct ttm_device bdev;
- struct drm_vma_offset_manager vma_manager;
u32 pci_id;
resource_size_t io_start;
resource_size_t vram_start;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index cd4925346ed4..09214f9339b2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -775,7 +775,6 @@ vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
hotspot_y = du->hotspot_y + new_state->hotspot_y;
du->cursor_surface = vps->surf;
- du->cursor_bo = vps->bo;
if (!vps->surf && !vps->bo) {
vmw_cursor_update_position(dev_priv, false, 0, 0);
@@ -858,15 +857,6 @@ int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
DRM_PLANE_NO_SCALING,
DRM_PLANE_NO_SCALING,
false, true);
-
- if (!ret && new_fb) {
- struct drm_crtc *crtc = new_state->crtc;
- struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
-
- vmw_connector_state_to_vcs(du->connector.state);
- }
-
-
return ret;
}
@@ -1361,7 +1351,6 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
drm_helper_mode_fill_fb_struct(dev, &vfbs->base.base, mode_cmd);
vfbs->surface = vmw_surface_reference(surface);
- vfbs->base.user_handle = mode_cmd->handles[0];
vfbs->is_bo_proxy = is_bo_proxy;
*out = &vfbs->base;
@@ -1529,7 +1518,6 @@ static int vmw_kms_new_framebuffer_bo(struct vmw_private *dev_priv,
drm_helper_mode_fill_fb_struct(dev, &vfbd->base.base, mode_cmd);
vfbd->base.bo = true;
vfbd->buffer = vmw_bo_reference(bo);
- vfbd->base.user_handle = mode_cmd->handles[0];
*out = &vfbd->base;
ret = drm_framebuffer_init(dev, &vfbd->base.base,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index a94947b588e8..4a2e3cac1c22 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -217,21 +217,11 @@ struct vmw_kms_dirty {
struct vmw_framebuffer {
struct drm_framebuffer base;
bool bo;
- uint32_t user_handle;
-};
-
-/*
- * Clip rectangle
- */
-struct vmw_clip_rect {
- int x1, x2, y1, y2;
};
struct vmw_framebuffer_surface {
struct vmw_framebuffer base;
struct vmw_surface *surface;
- struct vmw_bo *buffer;
- struct list_head head;
bool is_bo_proxy; /* true if this is proxy surface for DMA buf */
};
@@ -359,7 +349,6 @@ struct vmw_display_unit {
struct vmw_cursor_plane cursor;
struct vmw_surface *cursor_surface;
- struct vmw_bo *cursor_bo;
size_t cursor_age;
int cursor_x;
@@ -389,11 +378,6 @@ struct vmw_display_unit {
int set_gui_y;
};
-struct vmw_validation_ctx {
- struct vmw_resource *res;
- struct vmw_bo *buf;
-};
-
#define vmw_crtc_to_du(x) \
container_of(x, struct vmw_display_unit, crtc)
#define vmw_connector_to_du(x) \
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index 30c3ad27b662..c6e646895f9e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -89,7 +89,6 @@ struct vmw_kms_sou_define_gmrfb {
struct vmw_screen_object_unit {
struct vmw_display_unit base;
- unsigned long buffer_size; /**< Size of allocated buffer */
struct vmw_bo *buffer; /**< Backing store buffer */
bool defined;
@@ -240,7 +239,6 @@ static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc)
int x, y;
sou->buffer = vps->bo;
- sou->buffer_size = vps->bo_size;
conn_state = sou->base.connector.state;
vmw_conn_state = vmw_connector_state_to_vcs(conn_state);
@@ -255,7 +253,6 @@ static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc)
} else {
sou->buffer = NULL;
- sou->buffer_size = 0;
}
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c
deleted file mode 100644
index 90097d04b45f..000000000000
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c
+++ /dev/null
@@ -1,110 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0 OR MIT
-/**************************************************************************
- *
- * Copyright 2009-2011 VMware, Inc., Palo Alto, CA., USA
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include "vmwgfx_drv.h"
-
-static int vmw_bo_vm_lookup(struct ttm_device *bdev,
- struct drm_file *filp,
- unsigned long offset,
- unsigned long pages,
- struct ttm_buffer_object **p_bo)
-{
- struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
- struct drm_device *drm = &dev_priv->drm;
- struct drm_vma_offset_node *node;
- int ret;
-
- *p_bo = NULL;
-
- drm_vma_offset_lock_lookup(bdev->vma_manager);
-
- node = drm_vma_offset_lookup_locked(bdev->vma_manager, offset, pages);
- if (likely(node)) {
- *p_bo = container_of(node, struct ttm_buffer_object,
- base.vma_node);
- *p_bo = ttm_bo_get_unless_zero(*p_bo);
- }
-
- drm_vma_offset_unlock_lookup(bdev->vma_manager);
-
- if (!*p_bo) {
- drm_err(drm, "Could not find buffer object to map\n");
- return -EINVAL;
- }
-
- if (!drm_vma_node_is_allowed(node, filp)) {
- ret = -EACCES;
- goto out_no_access;
- }
-
- return 0;
-out_no_access:
- ttm_bo_put(*p_bo);
- return ret;
-}
-
-int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
-{
- static const struct vm_operations_struct vmw_vm_ops = {
- .pfn_mkwrite = vmw_bo_vm_mkwrite,
- .page_mkwrite = vmw_bo_vm_mkwrite,
- .fault = vmw_bo_vm_fault,
- .open = ttm_bo_vm_open,
- .close = ttm_bo_vm_close,
- };
- struct drm_file *file_priv = filp->private_data;
- struct vmw_private *dev_priv = vmw_priv(file_priv->minor->dev);
- struct ttm_device *bdev = &dev_priv->bdev;
- struct ttm_buffer_object *bo;
- int ret;
-
- if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET_START))
- return -EINVAL;
-
- ret = vmw_bo_vm_lookup(bdev, file_priv, vma->vm_pgoff, vma_pages(vma), &bo);
- if (unlikely(ret != 0))
- return ret;
-
- ret = ttm_bo_mmap_obj(vma, bo);
- if (unlikely(ret != 0))
- goto out_unref;
-
- vma->vm_ops = &vmw_vm_ops;
-
- /* Use VM_PFNMAP rather than VM_MIXEDMAP if not a COW mapping */
- if (!is_cow_mapping(vma->vm_flags))
- vm_flags_mod(vma, VM_PFNMAP, VM_MIXEDMAP);
-
- ttm_bo_put(bo); /* release extra ref taken by ttm_bo_mmap_obj() */
-
- return 0;
-
-out_unref:
- ttm_bo_put(bo);
- return ret;
-}
-
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
index aaacbdcbd742..e7625b3f71e0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
@@ -32,9 +32,6 @@
#include <linux/slab.h>
-
-#define VMWGFX_VALIDATION_MEM_GRAN (16*PAGE_SIZE)
-
/**
* struct vmw_validation_bo_node - Buffer object validation metadata.
* @base: Metadata used for TTM reservation- and validation.
@@ -112,20 +109,10 @@ void *vmw_validation_mem_alloc(struct vmw_validation_context *ctx,
return NULL;
if (ctx->mem_size_left < size) {
- struct page *page;
-
- if (ctx->vm && ctx->vm_size_left < PAGE_SIZE) {
- ctx->vm_size_left += VMWGFX_VALIDATION_MEM_GRAN;
- ctx->total_mem += VMWGFX_VALIDATION_MEM_GRAN;
- }
-
- page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+ struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!page)
return NULL;
- if (ctx->vm)
- ctx->vm_size_left -= PAGE_SIZE;
-
list_add_tail(&page->lru, &ctx->page_list);
ctx->page_address = page_address(page);
ctx->mem_size_left = PAGE_SIZE;
@@ -155,10 +142,6 @@ static void vmw_validation_mem_free(struct vmw_validation_context *ctx)
}
ctx->mem_size_left = 0;
- if (ctx->vm && ctx->total_mem) {
- ctx->total_mem = 0;
- ctx->vm_size_left = 0;
- }
}
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h
index 240ee0c4ebfd..353d837907d8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h
@@ -52,10 +52,6 @@
* buffer objects
* @mem_size_left: Free memory left in the last page in @page_list
* @page_address: Kernel virtual address of the last page in @page_list
- * @vm: A pointer to the memory reservation interface or NULL if no
- * memory reservation is needed.
- * @vm_size_left: Amount of reserved memory that so far has not been allocated.
- * @total_mem: Amount of reserved memory.
*/
struct vmw_validation_context {
struct vmw_sw_context *sw_context;
@@ -68,9 +64,6 @@ struct vmw_validation_context {
unsigned int merge_dups;
unsigned int mem_size_left;
u8 *page_address;
- struct vmw_validation_mem *vm;
- size_t vm_size_left;
- size_t total_mem;
};
struct vmw_bo;
diff --git a/include/drm/drm_probe_helper.h b/include/drm/drm_probe_helper.h
index 62741a88796b..d6ce7b218b77 100644
--- a/include/drm/drm_probe_helper.h
+++ b/include/drm/drm_probe_helper.h
@@ -16,6 +16,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector
int drm_helper_probe_detect(struct drm_connector *connector,
struct drm_modeset_acquire_ctx *ctx,
bool force);
+
+int drmm_kms_helper_poll_init(struct drm_device *dev);
void drm_kms_helper_poll_init(struct drm_device *dev);
void drm_kms_helper_poll_fini(struct drm_device *dev);
bool drm_helper_hpd_irq_event(struct drm_device *dev);
@@ -37,4 +39,8 @@ int drm_connector_helper_get_modes_fixed(struct drm_connector *connector,
int drm_connector_helper_get_modes(struct drm_connector *connector);
int drm_connector_helper_tv_get_modes(struct drm_connector *connector);
+int drm_connector_helper_detect_from_ddc(struct drm_connector *connector,
+ struct drm_modeset_acquire_ctx *ctx,
+ bool force);
+
#endif