summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_irq_kms.c
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2023-05-18 19:38:22 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-05-24 22:11:15 +0300
commita34fc1bcd2c4d8b09dcfc0b95ac65bca1e579bd7 (patch)
tree2e8381a79a78ddf49bd4697060c7ab6ff4497997 /drivers/gpu/drm/radeon/radeon_irq_kms.c
parent7fc602dbfd548045862df096910b7d21e6d300bf (diff)
downloadlinux-a34fc1bcd2c4d8b09dcfc0b95ac65bca1e579bd7.tar.xz
drm/radeon: reintroduce radeon_dp_work_func content
Put back the radeon_dp_work_func logic. It seems that handling DP RX interrupts is necessary to make some panels work. This was removed with the MST support, but it regresses some systems so add it back. While we are here, add the proper mutex locking. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2567 Fixes: 01ad1d9c2888 ("drm/radeon: Drop legacy MST support") Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Lyude Paul <lyude@redhat.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_irq_kms.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 3377fbc71f65..c4dda908666c 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -99,6 +99,16 @@ static void radeon_hotplug_work_func(struct work_struct *work)
static void radeon_dp_work_func(struct work_struct *work)
{
+ struct radeon_device *rdev = container_of(work, struct radeon_device,
+ dp_work);
+ struct drm_device *dev = rdev->ddev;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_connector *connector;
+
+ mutex_lock(&mode_config->mutex);
+ list_for_each_entry(connector, &mode_config->connector_list, head)
+ radeon_connector_hotplug(connector);
+ mutex_unlock(&mode_config->mutex);
}
/**