From 4ff9d4cbc15a1ac169eaabf2e3d282b7d2d3799d Mon Sep 17 00:00:00 2001 From: Archit Taneja Date: Tue, 13 Oct 2015 12:20:47 +0530 Subject: drm/msm/dsi: Don't use iommu for command TX buffer for DSIv2 We currently use iommu allocated DMA buffers for sending DSI commands. DSIv2 doesn't have a port connected to the MDP iommu. Therefore, it can't use iommu allocated buffers to fetch DSI commands. Use a regular contiguous DMA buffer if we are DSIv2. Signed-off-by: Archit Taneja Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/dsi/dsi_manager.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/drm/msm/dsi/dsi_manager.c') diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 0455ff75074a..58ba7ec17f51 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -774,7 +774,7 @@ restore_host0: return ret; } -bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 iova, u32 len) +bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len) { struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); struct msm_dsi *msm_dsi0 = dsi_mgr_get_dsi(DSI_0); @@ -784,9 +784,9 @@ bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 iova, u32 len) return false; if (IS_SYNC_NEEDED() && msm_dsi0) - msm_dsi_host_cmd_xfer_commit(msm_dsi0->host, iova, len); + msm_dsi_host_cmd_xfer_commit(msm_dsi0->host, dma_base, len); - msm_dsi_host_cmd_xfer_commit(host, iova, len); + msm_dsi_host_cmd_xfer_commit(host, dma_base, len); return true; } -- cgit v1.2.3