Searched hist:"4 ff9d4cbc15a1ac169eaabf2e3d282b7d2d3799d" (Results 1 – 3 of 3) sorted by relevance
| /linux/drivers/gpu/drm/msm/dsi/ |
| H A D | dsi.h | diff 4ff9d4cbc15a1ac169eaabf2e3d282b7d2d3799d Tue Oct 13 08:50:47 CEST 2015 Archit Taneja <architt@codeaurora.org> 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 <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
|
| H A D | dsi_manager.c | diff 4ff9d4cbc15a1ac169eaabf2e3d282b7d2d3799d Tue Oct 13 08:50:47 CEST 2015 Archit Taneja <architt@codeaurora.org> 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 <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
|
| H A D | dsi_host.c | diff 4ff9d4cbc15a1ac169eaabf2e3d282b7d2d3799d Tue Oct 13 08:50:47 CEST 2015 Archit Taneja <architt@codeaurora.org> 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 <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
|