diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index 6dc1a09504e13ec2bad4bbf095c28a00b710d9e4..fdd9a493aa9c089df437aa6a796ca64ea2d26204 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -7,6 +7,17 @@
#include <drm/drm_print.h>
#include "ast_drv.h"
+bool ast_astdp_is_connected(struct ast_device *ast)
+{
+ if (!ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xD1, ASTDP_MCU_FW_EXECUTING))
+ return false;
+ if (!ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xDF, ASTDP_HPD))
+ return false;
+ if (!ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xDC, ASTDP_LINK_SUCCESS))
+ return false;
+ return true;
+}
+
int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata)
{
struct ast_device *ast = to_ast_device(dev);
diff --git a/drivers/gpu/drm/ast/ast_dp501.c b/drivers/gpu/drm/ast/ast_dp501.c
index a5d285850ffb1c162e553782325bb87a0155426b..f10d53b0c94f0b50510796f4e4584fc9a53eb3ec 100644
--- a/drivers/gpu/drm/ast/ast_dp501.c
+++ b/drivers/gpu/drm/ast/ast_dp501.c
@@ -272,11 +272,9 @@ static bool ast_launch_m68k(struct drm_device *dev)
return true;
}
-bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
+bool ast_dp501_is_connected(struct ast_device *ast)
{
- struct ast_device *ast = to_ast_device(dev);
- u32 i, boot_address, offset, data;
- u32 *pEDIDidx;
+ u32 boot_address, offset, data;
if (ast->config_mode == ast_use_p2a) {
boot_address = get_fw_base(ast);
@@ -292,14 +290,6 @@ bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
data = ast_mindwm(ast, boot_address + offset);
if (!(data & AST_DP501_PNP_CONNECTED))
return false;
-
- /* Read EDID */
- offset = AST_DP501_EDID_DATA;
- for (i = 0; i < 128; i += 4) {
- data = ast_mindwm(ast, boot_address + offset + i);
- pEDIDidx = (u32 *)(ediddata + i);
- *pEDIDidx = data;
- }
} else {
if (!ast->dp501_fw_buf)
return false;
@@ -319,7 +309,30 @@ bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
data = readl(ast->dp501_fw_buf + offset);
if (!(data & AST_DP501_PNP_CONNECTED))
return false;
+ }
+ return true;
+}
+
+bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
+{
+ struct ast_device *ast = to_ast_device(dev);
+ u32 i, boot_address, offset, data;
+ u32 *pEDIDidx;
+
+ if (!ast_dp501_is_connected(ast))
+ return false;
+
+ if (ast->config_mode == ast_use_p2a) {
+ boot_address = get_fw_base(ast);
+ /* Read EDID */
+ offset = AST_DP501_EDID_DATA;
+ for (i = 0; i < 128; i += 4) {
+ data = ast_mindwm(ast, boot_address + offset + i);
+ pEDIDidx = (u32 *)(ediddata + i);
+ *pEDIDidx = data;
+ }
+ } else {
/* Read EDID */
offset = AST_DP501_EDID_DATA;
for (i = 0; i < 128; i += 4) {
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index c9659e72002f5b29ae0bb0c253df4c6ab1507971..848a9f1403e89681d2bb5c48d3cf4e3680fed119 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -514,6 +514,7 @@ void ast_patch_ahb_2500(struct ast_device *ast);
/* ast dp501 */
void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
+bool ast_dp501_is_connected(struct ast_device *ast);
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);
@@ -522,6 +523,7 @@ void ast_init_3rdtx(struct drm_device *dev);
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);
void ast_dp_launch(struct drm_device *dev);
void ast_dp_power_on_off(struct drm_device *dev, bool no);
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index c3b8a217103fd60be658abcdb436cbb28eacd312..32f04ec6c386fa31f015728deb3eac0783585bc6 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1582,8 +1582,20 @@ static int ast_dp501_connector_helper_get_modes(struct drm_connector *connector)
return 0;
}
+static int ast_dp501_connector_helper_detect_ctx(struct drm_connector *connector,
+ struct drm_modeset_acquire_ctx *ctx,
+ bool force)
+{
+ struct ast_device *ast = to_ast_device(connector->dev);
+
+ if (ast_dp501_is_connected(ast))
+ return connector_status_connected;
+ return connector_status_disconnected;
+}
+
static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = {
.get_modes = ast_dp501_connector_helper_get_modes,
+ .detect_ctx = ast_dp501_connector_helper_detect_ctx,
};
static const struct drm_connector_funcs ast_dp501_connector_funcs = {
@@ -1608,7 +1620,7 @@ static int ast_dp501_connector_init(struct drm_device *dev, struct drm_connector
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;
}
@@ -1680,8 +1692,20 @@ static int ast_astdp_connector_helper_get_modes(struct drm_connector *connector)
return 0;
}
+static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector,
+ struct drm_modeset_acquire_ctx *ctx,
+ bool force)
+{
+ struct ast_device *ast = to_ast_device(connector->dev);
+
+ if (ast_astdp_is_connected(ast))
+ return connector_status_connected;
+ return connector_status_disconnected;
+}
+
static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = {
.get_modes = ast_astdp_connector_helper_get_modes,
+ .detect_ctx = ast_astdp_connector_helper_detect_ctx,
};
static const struct drm_connector_funcs ast_astdp_connector_funcs = {
@@ -1706,7 +1730,7 @@ static int ast_astdp_connector_init(struct drm_device *dev, struct drm_connector
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;
}
@@ -1902,5 +1926,7 @@ int ast_mode_config_init(struct ast_device *ast)
drm_mode_config_reset(dev);
+ drm_kms_helper_poll_init(dev);
+
return 0;
}