From 0a0883c8433c743dad0a4d9ebe2717558f2c209e Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 5 Apr 2011 17:57:23 +1000 Subject: [PATCH] i915: restore only the mode of this driver on lastclose This has always used a big hammer, but that hammer is probably too big, I'm also not sure its necessary but at least this should be safe. Should fix: https://bugzilla.kernel.org/show_bug.cgi?id=23592 Signed-off-by: Dave Airlie --- drivers/gpu/drm/i915/i915_dma.c | 2 +- drivers/gpu/drm/i915/intel_drv.h | 1 + drivers/gpu/drm/i915/intel_fb.c | 16 ++++++++++++++++ 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 72730377a01b..12876f2795d2 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -2207,7 +2207,7 @@ void i915_driver_lastclose(struct drm_device * dev) drm_i915_private_t *dev_priv = dev->dev_private; if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) { - drm_fb_helper_restore(); + intel_fb_restore_mode(dev); vga_switcheroo_process_delayed_switch(); return; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index f5b0d8306d83..1d20712d527f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -338,4 +338,5 @@ extern int intel_overlay_attrs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void intel_fb_output_poll_changed(struct drm_device *dev); +extern void intel_fb_restore_mode(struct drm_device *dev); #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 512782728e51..96a45c4e9a16 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -264,3 +264,19 @@ void intel_fb_output_poll_changed(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper); } + +void intel_fb_restore_mode(struct drm_device *dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + int ret, i; + + if (!dev_priv->fbdev) + return; + + for (i = 0; i < dev_priv->fbdev->helper.crtc_count; i++) { + struct drm_mode_set *mode_set = &dev_priv->fbdev->helper.crtc_info[i].mode_set; + ret = drm_crtc_helper_set_config(mode_set); + if (ret) + DRM_DEBUG("failed to restore crtc mode\n"); + } +} -- 2.39.5