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Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0570-drm-amdgpu-restore-the-fbdev-mode-in-lastclose.patch')
-rw-r--r--meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0570-drm-amdgpu-restore-the-fbdev-mode-in-lastclose.patch81
1 files changed, 81 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0570-drm-amdgpu-restore-the-fbdev-mode-in-lastclose.patch b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0570-drm-amdgpu-restore-the-fbdev-mode-in-lastclose.patch
new file mode 100644
index 00000000..a34aa778
--- /dev/null
+++ b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0570-drm-amdgpu-restore-the-fbdev-mode-in-lastclose.patch
@@ -0,0 +1,81 @@
+From 8b7530b15c3332220a081035ab467c9359aff409 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Fri, 2 Oct 2015 16:59:34 -0400
+Subject: [PATCH 0570/1050] drm/amdgpu: restore the fbdev mode in lastclose
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+restore the fbdev state if a drm app like X is killed.
+
+Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
+Reviewed-by: Christian König <christian.koenig@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 16 ++++++++++++++++
+ drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 5 ++++-
+ drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 1 +
+ 3 files changed, 21 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+index 8a122b1..96290d9 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+@@ -402,3 +402,19 @@ bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj)
+ return true;
+ return false;
+ }
++
++void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev)
++{
++ struct amdgpu_fbdev *afbdev = adev->mode_info.rfbdev;
++ struct drm_fb_helper *fb_helper;
++ int ret;
++
++ if (!afbdev)
++ return;
++
++ fb_helper = &afbdev->helper;
++
++ ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
++ if (ret)
++ DRM_DEBUG("failed to restore crtc mode\n");
++}
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+index 8c735f5..5d11e79 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+@@ -485,7 +485,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
+ * Outdated mess for old drm with Xorg being in charge (void function now).
+ */
+ /**
+- * amdgpu_driver_firstopen_kms - drm callback for last close
++ * amdgpu_driver_lastclose_kms - drm callback for last close
+ *
+ * @dev: drm dev pointer
+ *
+@@ -493,6 +493,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
+ */
+ void amdgpu_driver_lastclose_kms(struct drm_device *dev)
+ {
++ struct amdgpu_device *adev = dev->dev_private;
++
++ amdgpu_fbdev_restore_mode(adev);
+ vga_switcheroo_process_delayed_switch();
+ }
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+index 64efe5b..7bd470d 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+@@ -567,6 +567,7 @@ void amdgpu_fbdev_fini(struct amdgpu_device *adev);
+ void amdgpu_fbdev_set_suspend(struct amdgpu_device *adev, int state);
+ int amdgpu_fbdev_total_size(struct amdgpu_device *adev);
+ bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj);
++void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev);
+
+ void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev);
+
+--
+1.9.1
+