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authorAlex Deucher <alexander.deucher@amd.com>2015-10-08 00:03:36 -0400
committerAlex Deucher <alexander.deucher@amd.com>2015-10-14 16:16:35 -0400
commit756e6880c51376d2e4d53050582d66d88fc281c7 (patch)
treea6bce16a540df09f39770e9b4c76deaa9390e454 /drivers
parenta2df42da61109653782949789ffe6c358e5d2685 (diff)
drm/amdgpu: unpin cursor BOs on suspend and pin them again on resume
Everything is evicted from VRAM before suspend, so we need to make sure all BOs are unpinned and re-pinned after resume. Fixes broken mouse cursor after resume introduced by commit b9729b17. Port of radeon commit: f3cbb17bcf676a2fc6aedebe9fbebd59e550c51a Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 4256b00d0b37..901a460b2c55 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1657,11 +1657,21 @@ int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
}
drm_modeset_unlock_all(dev);
- /* unpin the front buffers */
+ /* unpin the front buffers and cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct amdgpu_framebuffer *rfb = to_amdgpu_framebuffer(crtc->primary->fb);
struct amdgpu_bo *robj;
+ if (amdgpu_crtc->cursor_bo) {
+ struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+ r = amdgpu_bo_reserve(aobj, false);
+ if (r == 0) {
+ amdgpu_bo_unpin(aobj);
+ amdgpu_bo_unreserve(aobj);
+ }
+ }
+
if (rfb == NULL || rfb->obj == NULL) {
continue;
}
@@ -1713,6 +1723,7 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
{
struct drm_connector *connector;
struct amdgpu_device *adev = dev->dev_private;
+ struct drm_crtc *crtc;
int r;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
@@ -1746,6 +1757,24 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
if (r)
return r;
+ /* pin cursors */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ if (amdgpu_crtc->cursor_bo) {
+ struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+ r = amdgpu_bo_reserve(aobj, false);
+ if (r == 0) {
+ r = amdgpu_bo_pin(aobj,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &amdgpu_crtc->cursor_addr);
+ if (r != 0)
+ DRM_ERROR("Failed to pin cursor BO (%d)\n", r);
+ amdgpu_bo_unreserve(aobj);
+ }
+ }
+ }
+
/* blat the mode back in */
if (fbcon) {
drm_helper_resume_force_mode(dev);