[PATCH v3 01/13] drm/panfrost: Check another bo field for cache option query

[Adrián Larumbe]

When querying the properties of a BO, whether it was created in
Writeback caching mode for userspace mappings, is recorded in a Panfrost
BO's wb_mmap field.

Reported-by: Claude <noreply@xxxxxxxxxxxxx>
Closes: https://gitlab.freedesktop.org/panfrost/linux/-/work_items/88
Fixes: 62eedf1ccba5 ("drm/panfrost: Add flag to map GEM object Write-Back Cacheable")
Reviewed-by: Steven Price <steven.price@xxxxxxx>
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Signed-off-by: Adrián Larumbe <adrian.larumbe@xxxxxxxxxxxxx>
---
 drivers/gpu/drm/panfrost/panfrost_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 784e36d72c2b..2e931fa90da0 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -661,7 +661,7 @@ static int panfrost_ioctl_query_bo_info(struct drm_device *dev, void *data,
 		if (bo->is_heap)
 			args->create_flags |= PANFROST_BO_HEAP;
 
-		if (!bo->base.map_wc)
+		if (bo->wb_mmap)
 			args->create_flags |= PANFROST_BO_WB_MMAP;
 	}
 

-- 
2.55.0