drm/amdgpu/virtual_dce: No need to pin the fb's bo

For virtual display, no need to pin the fb's bo.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 15ce7e6..b083b21 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -188,10 +188,12 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
                goto cleanup;
        }
 
-       r = amdgpu_bo_pin(new_abo, amdgpu_display_supported_domains(adev));
-       if (unlikely(r != 0)) {
-               DRM_ERROR("failed to pin new abo buffer before flip\n");
-               goto unreserve;
+       if (!adev->enable_virtual_display) {
+               r = amdgpu_bo_pin(new_abo, amdgpu_display_supported_domains(adev));
+               if (unlikely(r != 0)) {
+                       DRM_ERROR("failed to pin new abo buffer before flip\n");
+                       goto unreserve;
+               }
        }
 
        r = amdgpu_ttm_alloc_gart(&new_abo->tbo);
@@ -211,7 +213,8 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
        amdgpu_bo_get_tiling_flags(new_abo, &tiling_flags);
        amdgpu_bo_unreserve(new_abo);
 
-       work->base = amdgpu_bo_gpu_offset(new_abo);
+       if (!adev->enable_virtual_display)
+               work->base = amdgpu_bo_gpu_offset(new_abo);
        work->target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) +
                amdgpu_get_vblank_counter_kms(dev, work->crtc_id);
 
@@ -242,9 +245,10 @@ pflip_cleanup:
                goto cleanup;
        }
 unpin:
-       if (unlikely(amdgpu_bo_unpin(new_abo) != 0)) {
-               DRM_ERROR("failed to unpin new abo in error path\n");
-       }
+       if (!adev->enable_virtual_display)
+               if (unlikely(amdgpu_bo_unpin(new_abo) != 0))
+                       DRM_ERROR("failed to unpin new abo in error path\n");
+
 unreserve:
        amdgpu_bo_unreserve(new_abo);
 

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index fdace00..e4cc1d4 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -167,19 +167,6 @@ static void dce_virtual_crtc_disable(struct drm_crtc *crtc)
        struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 
        dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
-       if (crtc->primary->fb) {
-               int r;
-               struct amdgpu_bo *abo;
-
-               abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
-               r = amdgpu_bo_reserve(abo, true);
-               if (unlikely(r))
-                       DRM_ERROR("failed to reserve abo before unpin\n");
-               else {
-                       amdgpu_bo_unpin(abo);
-                       amdgpu_bo_unreserve(abo);
-               }
-       }
 
        amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
        amdgpu_crtc->encoder = NULL;
@@ -692,7 +679,9 @@ static int dce_virtual_pageflip(struct amdgpu_device *adev,
        spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
 
        drm_crtc_vblank_put(&amdgpu_crtc->base);
-       schedule_work(&works->unpin_work);
+       amdgpu_bo_unref(&works->old_abo);
+       kfree(works->shared);
+       kfree(works);
 
        return 0;
 }