| Message ID | 20220720164848.1246701-5-andrzej.hajda@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915/display: stop HPD workers before display driver unregister | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index b682fd72d4bf25..7cd3eb9b7729f9 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -210,6 +210,12 @@ static int intelfb_create(struct drm_fb_helper *helper, struct drm_i915_gem_object *obj; int ret; + mutex_lock(&ifbdev->hpd_lock); + ret = ifbdev->hpd_suspended ? -EAGAIN : 0; + mutex_unlock(&ifbdev->hpd_lock); + if (ret) + return ret; + if (intel_fb && (sizes->fb_width > intel_fb->base.width || sizes->fb_height > intel_fb->base.height)) {
In case of deferred FB setup core can try to create new framebuffer. Disallow it if hpd_suspended flag is set. Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> --- drivers/gpu/drm/i915/display/intel_fbdev.c | 6 ++++++ 1 file changed, 6 insertions(+)