drm/amdgpu: fix "mitigate workaround for i915"

Mixed up exporter and importer here. E.g. while mapping the BO we need
to check the importer not the exporter.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=105633
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
index 1c99917..4b584cb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
@@ -132,6 +132,7 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf,
 {
        struct drm_gem_object *obj = dma_buf->priv;
        struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
+       struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
        long r;
 
        r = drm_gem_map_attach(dma_buf, target_dev, attach);
@@ -143,7 +144,7 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf,
                goto error_detach;
 
 
-       if (dma_buf->ops != &amdgpu_dmabuf_ops) {
+       if (attach->dev->driver != adev->dev->driver) {
                /*
                 * Wait for all shared fences to complete before we switch to future
                 * use of exclusive fence on this prime shared bo.
@@ -162,7 +163,7 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf,
        if (r)
                goto error_unreserve;
 
-       if (dma_buf->ops != &amdgpu_dmabuf_ops)
+       if (attach->dev->driver != adev->dev->driver)
                bo->prime_shared_count++;
 
 error_unreserve:
@@ -179,6 +180,7 @@ static void amdgpu_gem_map_detach(struct dma_buf *dma_buf,
 {
        struct drm_gem_object *obj = dma_buf->priv;
        struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
+       struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
        int ret = 0;
 
        ret = amdgpu_bo_reserve(bo, true);
@@ -186,7 +188,7 @@ static void amdgpu_gem_map_detach(struct dma_buf *dma_buf,
                goto error;
 
        amdgpu_bo_unpin(bo);
-       if (dma_buf->ops != &amdgpu_dmabuf_ops && bo->prime_shared_count)
+       if (attach->dev->driver != adev->dev->driver && bo->prime_shared_count)
                bo->prime_shared_count--;
        amdgpu_bo_unreserve(bo);