[PATCH 1/3] drm/vmwgfx: Remove the vmw_dma_phys mode code

[Thomas Hellström (VMware)]

From: Thomas Hellstrom <thellstrom at vmware.com>

This mode is not used anymore. Remove the dead code.

Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c        | 4 +---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h        | 1 -
 drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 9 ---------
 3 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index e962048f65d2..60ef03120917 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -564,7 +564,6 @@ static void vmw_get_initial_size(struct vmw_private *dev_priv)
 static int vmw_dma_select_mode(struct vmw_private *dev_priv)
 {
 	static const char *names[vmw_dma_map_max] = {
-		[vmw_dma_phys] = "Using physical TTM page addresses.",
 		[vmw_dma_alloc_coherent] = "Using coherent TTM pages.",
 		[vmw_dma_map_populate] = "Caching DMA mappings.",
 		[vmw_dma_map_bind] = "Giving up DMA mappings early."};
@@ -598,8 +597,7 @@ static int vmw_dma_masks(struct vmw_private *dev_priv)
 	int ret = 0;
 
 	ret = dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(64));
-	if (dev_priv->map_mode != vmw_dma_phys &&
-	    (sizeof(unsigned long) == 4 || vmw_restrict_dma_mask)) {
+	if (sizeof(unsigned long) == 4 || vmw_restrict_dma_mask) {
 		DRM_INFO("Restricting DMA addresses to 44 bits.\n");
 		return dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(44));
 	}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index b18842f73081..761dbd424749 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -281,7 +281,6 @@ struct vmw_res_cache_entry {
  * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
  */
 enum vmw_dma_map_mode {
-	vmw_dma_phys,           /* Use physical page addresses */
 	vmw_dma_alloc_coherent, /* Use TTM coherent pages */
 	vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
 	vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index d8ea3dd10af0..8c0135f1c346 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -295,11 +295,6 @@ static struct page *__vmw_piter_non_sg_page(struct vmw_piter *viter)
  * pointed to by @viter. Functions are selected depending on the
  * current mapping mode.
  */
-static dma_addr_t __vmw_piter_phys_addr(struct vmw_piter *viter)
-{
-	return page_to_phys(viter->pages[viter->i]);
-}
-
 static dma_addr_t __vmw_piter_dma_addr(struct vmw_piter *viter)
 {
 	return viter->addrs[viter->i];
@@ -329,10 +324,6 @@ void vmw_piter_start(struct vmw_piter *viter, const struct vmw_sg_table *vsgt,
 	viter->page = &__vmw_piter_non_sg_page;
 	viter->pages = vsgt->pages;
 	switch (vsgt->mode) {
-	case vmw_dma_phys:
-		viter->next = &__vmw_piter_non_sg_next;
-		viter->dma_address = &__vmw_piter_phys_addr;
-		break;
 	case vmw_dma_alloc_coherent:
 		viter->next = &__vmw_piter_non_sg_next;
 		viter->dma_address = &__vmw_piter_dma_addr;
-- 
2.21.0