- need_display is always true, scrap it. - don't reacquire the mutex to do nothing after having restored the gem state.
Signed-Off-by: Daniel Vetter <[email protected]> --- drivers/gpu/drm/i915/i915_drv.c | 19 +++++-------------- 1 files changed, 5 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 90a84f9..3ffa9e7 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -787,11 +787,6 @@ static int gen6_do_reset(struct drm_device *dev, u8 flags) int i915_reset(struct drm_device *dev, u8 flags) { drm_i915_private_t *dev_priv = dev->dev_private; - /* - * We really should only reset the display subsystem if we actually - * need to - */ - bool need_display = true; int ret; if (!i915_try_reset) @@ -865,22 +860,18 @@ int i915_reset(struct drm_device *dev, u8 flags) drm_irq_uninstall(dev); drm_mode_config_reset(dev); drm_irq_install(dev); - - mutex_lock(&dev->struct_mutex); + } else { + mutex_unlock(&dev->struct_mutex); } - mutex_unlock(&dev->struct_mutex); - /* * Perform a full modeset as on later generations, e.g. Ironlake, we may * need to retrain the display link and cannot just restore the register * values. */ - if (need_display) { - mutex_lock(&dev->mode_config.mutex); - drm_helper_resume_force_mode(dev); - mutex_unlock(&dev->mode_config.mutex); - } + mutex_lock(&dev->mode_config.mutex); + drm_helper_resume_force_mode(dev); + mutex_unlock(&dev->mode_config.mutex); return 0; } -- 1.7.9 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
