From 500f7147cf5bafd139056d521536b10c2bc2e154 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 24 Jan 2011 15:14:41 +0000 Subject: [PATCH] drm/i915: Reset state after a GPU reset or resume Call drm_mode_config_reset() after an invalidation event to restore any cached state to unknown. Tested-by: Takashi Iwai Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 66796bb82d3..e517447b088 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -354,6 +354,7 @@ static int i915_drm_thaw(struct drm_device *dev) error = i915_gem_init_ringbuffer(dev); mutex_unlock(&dev->struct_mutex); + drm_mode_config_reset(dev); drm_irq_install(dev); /* Resume the modeset for every activated CRTC */ @@ -542,6 +543,7 @@ int i915_reset(struct drm_device *dev, u8 flags) mutex_unlock(&dev->struct_mutex); drm_irq_uninstall(dev); + drm_mode_config_reset(dev); drm_irq_install(dev); mutex_lock(&dev->struct_mutex); } -- 2.39.2