[PATCH v3 08/12] drm/ingenic: Use dmam_alloc_coherent()

From: Paul Cercueil
Date: Thu Jul 16 2020 - 12:39:49 EST


Use dmam_alloc_coherent() instead of dma_alloc_coherent(). Then we don't
need to register a custom cleanup handler.

v3: New patch

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 18 +++---------------
1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index d9cd74d70a61..9cc785776594 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -459,14 +459,6 @@ static const struct drm_mode_config_funcs ingenic_drm_mode_config_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};

-static void ingenic_drm_free_dma_hwdesc(void *d)
-{
- struct ingenic_drm *priv = d;
-
- dma_free_coherent(priv->dev, sizeof(*priv->dma_hwdesc),
- priv->dma_hwdesc, priv->dma_hwdesc_phys);
-}
-
static int ingenic_drm_probe(struct platform_device *pdev)
{
const struct jz_soc_info *soc_info;
@@ -549,16 +541,12 @@ static int ingenic_drm_probe(struct platform_device *pdev)
bridge = devm_drm_panel_bridge_add_typed(dev, panel,
DRM_MODE_CONNECTOR_DPI);

- priv->dma_hwdesc = dma_alloc_coherent(dev, sizeof(*priv->dma_hwdesc),
- &priv->dma_hwdesc_phys,
- GFP_KERNEL);
+ priv->dma_hwdesc = dmam_alloc_coherent(dev, sizeof(*priv->dma_hwdesc),
+ &priv->dma_hwdesc_phys,
+ GFP_KERNEL);
if (!priv->dma_hwdesc)
return -ENOMEM;

- ret = devm_add_action_or_reset(dev, ingenic_drm_free_dma_hwdesc, priv);
- if (ret)
- return ret;
-
priv->dma_hwdesc->next = priv->dma_hwdesc_phys;
priv->dma_hwdesc->id = 0xdeafbead;

--
2.27.0