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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2016-02-11 12:32:07 +0100 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2016-03-01 23:37:15 +0900 |
| commit | 9aa3821bb2e4a4eb29372492a4ab9a9d7ff757e0 (patch) | |
| tree | a81753a2e9a605019205b638c2923b064f0e17bb | |
| parent | f3fb3d82379553f5626c1bb13e3a400434260eed (diff) | |
| download | blackbird-op-linux-9aa3821bb2e4a4eb29372492a4ab9a9d7ff757e0.tar.gz blackbird-op-linux-9aa3821bb2e4a4eb29372492a4ab9a9d7ff757e0.zip | |
drm/exynos: fix incorrect cpu address for dma_mmap_attrs()
dma_mmap_attrs() should be called with cpu address returned by
dma_alloc_attrs(). Existing code however passed pages array base as cpu
address. This worked only by a pure luck on ARM architecture. This patch
fixes this issue.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index f6118baa8e3e..8baabd813ff5 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -50,7 +50,7 @@ static int exynos_drm_fb_mmap(struct fb_info *info, if (vm_size > exynos_gem->size) return -EINVAL; - ret = dma_mmap_attrs(helper->dev->dev, vma, exynos_gem->pages, + ret = dma_mmap_attrs(helper->dev->dev, vma, exynos_gem->cookie, exynos_gem->dma_addr, exynos_gem->size, &exynos_gem->dma_attrs); if (ret < 0) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 47d126ab6e07..26b5e4bd55b6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -335,7 +335,7 @@ static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem *exynos_gem, if (vm_size > exynos_gem->size) return -EINVAL; - ret = dma_mmap_attrs(drm_dev->dev, vma, exynos_gem->pages, + ret = dma_mmap_attrs(drm_dev->dev, vma, exynos_gem->cookie, exynos_gem->dma_addr, exynos_gem->size, &exynos_gem->dma_attrs); if (ret < 0) { |
