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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c48
1 files changed, 25 insertions, 23 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 87daa78a32b8..0277685864c5 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -78,12 +78,10 @@ static int parse_write_buffer_into_params(char *wr_buf, uint32_t wr_buf_size,
wr_buf_ptr = wr_buf;
- r = copy_from_user(wr_buf_ptr, buf, wr_buf_size);
-
- /* r is bytes not be copied */
- if (r >= wr_buf_size) {
- DRM_DEBUG_DRIVER("user data not be read\n");
- return -EINVAL;
+ /* r is bytes not be copied */
+ if (copy_from_user(wr_buf_ptr, buf, wr_buf_size)) {
+ DRM_DEBUG_DRIVER("user data could not be read successfully\n");
+ return -EFAULT;
}
/* check number of parameters. isspace could not differ space and \n */
@@ -247,6 +245,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
{
struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
struct dc_link *link = connector->dc_link;
+ struct dc *dc = (struct dc *)link->dc;
struct dc_link_settings prefer_link_settings;
char *wr_buf = NULL;
const uint32_t wr_buf_size = 40;
@@ -263,7 +262,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
if (!wr_buf)
return -ENOSPC;
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -293,6 +292,9 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
case LINK_RATE_RBR2:
case LINK_RATE_HIGH2:
case LINK_RATE_HIGH3:
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ case LINK_RATE_UHBR10:
+#endif
break;
default:
valid_input = false;
@@ -313,7 +315,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
prefer_link_settings.lane_count = param[0];
prefer_link_settings.link_rate = param[1];
- dp_retrain_link_dp_test(link, &prefer_link_settings, false);
+ dc_link_set_preferred_training_settings(dc, &prefer_link_settings, NULL, link, true);
kfree(wr_buf);
return size;
@@ -378,9 +380,9 @@ static ssize_t dp_phy_settings_read(struct file *f, char __user *buf,
return -EINVAL;
snprintf(rd_buf, rd_buf_size, " %d %d %d\n",
- link->cur_lane_setting.VOLTAGE_SWING,
- link->cur_lane_setting.PRE_EMPHASIS,
- link->cur_lane_setting.POST_CURSOR2);
+ link->cur_lane_setting[0].VOLTAGE_SWING,
+ link->cur_lane_setting[0].PRE_EMPHASIS,
+ link->cur_lane_setting[0].POST_CURSOR2);
while (size) {
if (*pos >= rd_buf_size)
@@ -487,7 +489,7 @@ static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf,
if (!wr_buf)
return -ENOSPC;
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -639,7 +641,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us
if (!wr_buf)
return -ENOSPC;
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -732,7 +734,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us
}
for (i = 0; i < (unsigned int)(link_training_settings.link_settings.lane_count); i++)
- link_training_settings.lane_settings[i] = link->cur_lane_setting;
+ link_training_settings.lane_settings[i] = link->cur_lane_setting[i];
dc_link_set_test_pattern(
link,
@@ -914,7 +916,7 @@ static ssize_t dp_dsc_passthrough_set(struct file *f, const char __user *buf,
return -ENOSPC;
}
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
&param, buf,
max_param_num,
&param_nums)) {
@@ -1211,7 +1213,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
return -ENOSPC;
}
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -1241,7 +1243,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
dm_restore_drm_connector_state(dev, connector);
drm_modeset_unlock_all(dev);
- drm_kms_helper_hotplug_event(dev);
+ drm_kms_helper_connector_hotplug_event(connector);
} else if (param[0] == 0) {
if (!aconnector->dc_link)
goto unlock;
@@ -1263,7 +1265,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
dm_restore_drm_connector_state(dev, connector);
drm_modeset_unlock_all(dev);
- drm_kms_helper_hotplug_event(dev);
+ drm_kms_helper_connector_hotplug_event(connector);
}
unlock:
@@ -1396,7 +1398,7 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf,
return -ENOSPC;
}
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -1581,7 +1583,7 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf,
return -ENOSPC;
}
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -1766,7 +1768,7 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf,
return -ENOSPC;
}
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -1944,7 +1946,7 @@ static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *bu
return -ENOSPC;
}
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
@@ -2382,7 +2384,7 @@ static ssize_t dp_max_bpc_write(struct file *f, const char __user *buf,
return -ENOSPC;
}
- if (parse_write_buffer_into_params(wr_buf, size,
+ if (parse_write_buffer_into_params(wr_buf, wr_buf_size,
(long *)param, buf,
max_param_num,
&param_nums)) {
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-06 22:24:53 +0000