This is a note to let you know that I've just added the patch titled
Revert "drm/ast: report connection status on Display Port."
to the 6.5-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-drm-ast-report-connection-status-on-display-p.patch
and it can be found in the queue-6.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cd42d412bac4c9495ef885e62edf58c85a64441e
Author: Sasha Levin <sashal@xxxxxxxxxx>
Date: Mon Nov 13 11:36:36 2023 -0500
Revert "drm/ast: report connection status on Display Port."
This reverts commit f81bb0ac7872893241319ea82504956676ef02fd.
The commit depends on e329cb53b45d ("drm/ast: Add BMC virtual
connector") and will cause hangs on boot without that dependency.
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index fdd9a493aa9c0..6dc1a09504e13 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -7,17 +7,6 @@
#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 fa7442b0c2612..1bc35a992369d 100644
--- a/drivers/gpu/drm/ast/ast_dp501.c
+++ b/drivers/gpu/drm/ast/ast_dp501.c
@@ -272,9 +272,11 @@ static bool ast_launch_m68k(struct drm_device *dev)
return true;
}
-bool ast_dp501_is_connected(struct ast_device *ast)
+bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
{
- u32 boot_address, offset, data;
+ struct ast_device *ast = to_ast_device(dev);
+ u32 i, boot_address, offset, data;
+ u32 *pEDIDidx;
if (ast->config_mode == ast_use_p2a) {
boot_address = get_fw_base(ast);
@@ -290,6 +292,14 @@ bool ast_dp501_is_connected(struct ast_device *ast)
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;
@@ -309,30 +319,7 @@ bool ast_dp501_is_connected(struct ast_device *ast)
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 8a0ffa8b5939b..5498a6676f2e8 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -468,7 +468,6 @@ 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);
@@ -477,7 +476,6 @@ 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 0724516f29737..b3c670af6ef2b 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1585,20 +1585,8 @@ 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 = {
@@ -1623,7 +1611,7 @@ 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 | DRM_CONNECTOR_POLL_DISCONNECT;
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT;
return 0;
}
@@ -1695,20 +1683,8 @@ 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 = {
@@ -1733,7 +1709,7 @@ 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 | DRM_CONNECTOR_POLL_DISCONNECT;
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT;
return 0;
}
@@ -1872,7 +1848,5 @@ int ast_mode_config_init(struct ast_device *ast)
drm_mode_config_reset(dev);
- drm_kms_helper_poll_init(dev);
-
return 0;
}
