The DMA API changed at the same time commit 37054fc81443 ("gpu/drm:
ingenic: Add option to mmap GEM buffers cached") was added. Rework the
code to work with the new DMA API.

Signed-off-by: Paul Cercueil <p...@crapouillou.net>
---
 drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 24 +++++++----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c 
b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index 0225dc1f5eb8..07a1da7266e4 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -526,12 +526,10 @@ void ingenic_drm_sync_data(struct device *dev,
                           struct drm_plane_state *state)
 {
        const struct drm_format_info *finfo = state->fb->format;
-       struct ingenic_drm *priv = dev_get_drvdata(dev);
        struct drm_atomic_helper_damage_iter iter;
        unsigned int offset, i;
        struct drm_rect clip;
        dma_addr_t paddr;
-       void *addr;
 
        if (!ingenic_drm_cached_gem_buf)
                return;
@@ -541,12 +539,11 @@ void ingenic_drm_sync_data(struct device *dev,
        drm_atomic_for_each_plane_damage(&iter, &clip) {
                for (i = 0; i < finfo->num_planes; i++) {
                        paddr = drm_fb_cma_get_gem_addr(state->fb, state, i);
-                       addr = phys_to_virt(paddr);
 
                        /* Ignore x1/x2 values, invalidate complete lines */
                        offset = clip.y1 * state->fb->pitches[i];
 
-                       dma_cache_sync(priv->dev, addr + offset,
+                       dma_sync_single_for_device(dev, paddr + offset,
                                       (clip.y2 - clip.y1) * 
state->fb->pitches[i],
                                       DMA_TO_DEVICE);
                }
@@ -766,14 +763,6 @@ static int ingenic_drm_gem_mmap(struct drm_gem_object *obj,
                                struct vm_area_struct *vma)
 {
        struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
-       struct device *dev = cma_obj->base.dev->dev;
-       unsigned long attrs;
-       int ret;
-
-       if (ingenic_drm_cached_gem_buf)
-               attrs = DMA_ATTR_NON_CONSISTENT;
-       else
-               attrs = DMA_ATTR_WRITE_COMBINE;
 
        /*
         * Clear the VM_PFNMAP flag that was set by drm_gem_mmap(), and set the
@@ -784,12 +773,13 @@ static int ingenic_drm_gem_mmap(struct drm_gem_object 
*obj,
        vma->vm_pgoff = 0;
        vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
 
-       ret = dma_mmap_attrs(dev, vma, cma_obj->vaddr, cma_obj->paddr,
-                            vma->vm_end - vma->vm_start, attrs);
-       if (ret)
-               drm_gem_vm_close(vma);
+       if (!ingenic_drm_cached_gem_buf)
+               vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
 
-       return ret;
+       return remap_pfn_range(vma, vma->vm_start,
+                              cma_obj->paddr >> PAGE_SHIFT,
+                              vma->vm_end - vma->vm_start,
+                              vma->vm_page_prot);
 }
 
 static int ingenic_drm_gem_cma_mmap(struct file *filp,
-- 
2.28.0

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