path: root/drivers/gpu/drm/msm/dsi/dsi_host.c
diff options
authorRob Clark <>2016-11-11 12:06:46 -0500
committerRob Clark <>2016-11-28 15:14:08 -0500
commit78babc1633c4b0664ea516500c2ace9bf1f17bc7 (patch)
treefa8cc9b136c4f749e9120a83cc5a86d1633a322c /drivers/gpu/drm/msm/dsi/dsi_host.c
parentc83ea576010d513898c27121e5f8ac355a8eef05 (diff)
drm/msm: convert iova to 64b
For a5xx the gpu is 64b so we need to change iova to 64b everywhere. On the display side, iova is still 32b so it can ignore the upper bits. (Although all the armv8 devices have an iommu that can map 64b pa to 32b iova.) Signed-off-by: Rob Clark <>
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_host.c')
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index f05ed0e1f3d6..ed9f2065f3e9 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -981,7 +981,7 @@ static int dsi_tx_buf_alloc(struct msm_dsi_host *msm_host, int size)
struct drm_device *dev = msm_host->dev;
const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd;
int ret;
- u32 iova;
+ uint64_t iova;
if (cfg_hnd->major == MSM_DSI_VER_MAJOR_6G) {
@@ -1146,7 +1146,7 @@ static int dsi_cmd_dma_tx(struct msm_dsi_host *msm_host, int len)
const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd;
int ret;
- u32 dma_base;
+ uint64_t dma_base;
bool triggered;
if (cfg_hnd->major == MSM_DSI_VER_MAJOR_6G) {