[PATCH RFC 096/111] staging: etnaviv: don't pretend to have a single MMU

[Lucas Stach]

Each pipe has it's own MMU, so there is no point in pretending
to have a single one at the DRM driver level. All MMU management has
to happen on a per-pipe level.

Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
 drivers/staging/etnaviv/etnaviv_drv.c | 7 -------
 drivers/staging/etnaviv/etnaviv_drv.h | 5 -----
 drivers/staging/etnaviv/etnaviv_gpu.c | 1 -
 3 files changed, 13 deletions(-)

diff --git a/drivers/staging/etnaviv/etnaviv_drv.c b/drivers/staging/etnaviv/etnaviv_drv.c
index 30896f9afa1a..25c64319ab34 100644
--- a/drivers/staging/etnaviv/etnaviv_drv.c
+++ b/drivers/staging/etnaviv/etnaviv_drv.c
@@ -22,13 +22,6 @@
 #include "etnaviv_gpu.h"
 #include "etnaviv_mmu.h"
 
-void etnaviv_register_mmu(struct drm_device *dev, struct etnaviv_iommu *mmu)
-{
-	struct etnaviv_drm_private *priv = dev->dev_private;
-
-	priv->mmu = mmu;
-}
-
 #ifdef CONFIG_DRM_ETNAVIV_REGISTER_LOGGING
 static bool reglog;
 MODULE_PARM_DESC(reglog, "Enable register read/write logging");
diff --git a/drivers/staging/etnaviv/etnaviv_drv.h b/drivers/staging/etnaviv/etnaviv_drv.h
index 5c3250b772cc..cf7e6f758dd7 100644
--- a/drivers/staging/etnaviv/etnaviv_drv.h
+++ b/drivers/staging/etnaviv/etnaviv_drv.h
@@ -61,13 +61,8 @@ struct etnaviv_drm_private {
 	struct list_head inactive_list;
 
 	struct workqueue_struct *wq;
-
-	/* registered MMUs: */
-	struct etnaviv_iommu *mmu;
 };
 
-void etnaviv_register_mmu(struct drm_device *dev, struct etnaviv_iommu *mmu);
-
 int etnaviv_wait_fence_interruptable(struct drm_device *dev,
 		struct etnaviv_gpu *gpu, uint32_t fence,
 		struct timespec *timeout);
diff --git a/drivers/staging/etnaviv/etnaviv_gpu.c b/drivers/staging/etnaviv/etnaviv_gpu.c
index 0a6c702621d8..78955055d2eb 100644
--- a/drivers/staging/etnaviv/etnaviv_gpu.c
+++ b/drivers/staging/etnaviv/etnaviv_gpu.c
@@ -508,7 +508,6 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
 		ret = -ENOMEM;
 		goto fail;
 	}
-	etnaviv_register_mmu(gpu->drm, gpu->mmu);
 
 	/* Create buffer: */
 	gpu->buffer = etnaviv_gem_new(gpu->drm, PAGE_SIZE, ETNA_BO_CMDSTREAM);
-- 
2.1.4