DRM DMA Engine

2016-06-20 Thread Jose Abreu
Hi Ilia, Thanks for your answer. On 16-06-2016 13:39, Ilia Mirkin wrote: > On Thu, Jun 16, 2016 at 8:09 AM, Jose Abreu > wrote: >> Hi Daniel, >> >> Sorry to bother you again. I promise this is the last time :) >> >> On 15-06-2016 11:15, Daniel Vetter wrote: >>> On Wed, Jun 15, 2016 at 11:48

DRM DMA Engine

2016-06-16 Thread Daniel Vetter
On Thu, Jun 16, 2016 at 01:09:34PM +0100, Jose Abreu wrote: > Hi Daniel, > > Sorry to bother you again. I promise this is the last time :) > > On 15-06-2016 11:15, Daniel Vetter wrote: > > On Wed, Jun 15, 2016 at 11:48 AM, Jose Abreu > > wrote: > >> On 15-06-2016 09:52, Daniel Vetter wrote: >

DRM DMA Engine

2016-06-16 Thread Jose Abreu
Hi Daniel, Sorry to bother you again. I promise this is the last time :) On 15-06-2016 11:15, Daniel Vetter wrote: > On Wed, Jun 15, 2016 at 11:48 AM, Jose Abreu > wrote: >> On 15-06-2016 09:52, Daniel Vetter wrote: >>> On Tue, Jun 14, 2016 at 1:19 PM, Jose Abreu >>> wrote: > I assume

DRM DMA Engine

2016-06-16 Thread Ilia Mirkin
On Thu, Jun 16, 2016 at 8:09 AM, Jose Abreu wrote: > Hi Daniel, > > Sorry to bother you again. I promise this is the last time :) > > On 15-06-2016 11:15, Daniel Vetter wrote: >> On Wed, Jun 15, 2016 at 11:48 AM, Jose Abreu >> wrote: >>> On 15-06-2016 09:52, Daniel Vetter wrote: On Tue,

DRM DMA Engine

2016-06-15 Thread Daniel Vetter
On Wed, Jun 15, 2016 at 11:48 AM, Jose Abreu wrote: > > On 15-06-2016 09:52, Daniel Vetter wrote: >> On Tue, Jun 14, 2016 at 1:19 PM, Jose Abreu >> wrote: I assume that xilinx VDMA is the only way to feed pixel data into your display pipeline. Under that assumption:

DRM DMA Engine

2016-06-15 Thread Daniel Vetter
On Tue, Jun 14, 2016 at 1:19 PM, Jose Abreu wrote: >> I assume that xilinx VDMA is the only way to feed pixel data into your >> display pipeline. Under that assumption: >> >> drm_plane should map to Xilinx VDMA, and the drm_plane->drm_crtc link >> would represent the dma channel. With atomic you

DRM DMA Engine

2016-06-15 Thread Jose Abreu
Hi Daniel, On 15-06-2016 09:52, Daniel Vetter wrote: > On Tue, Jun 14, 2016 at 1:19 PM, Jose Abreu > wrote: >>> I assume that xilinx VDMA is the only way to feed pixel data into your >>> display pipeline. Under that assumption: >>> >>> drm_plane should map to Xilinx VDMA, and the

DRM DMA Engine

2016-06-14 Thread Jose Abreu
t;>> On 26-05-2016 09:06, Daniel Vetter wrote: >>>> On Wed, May 25, 2016 at 04:46:15PM +0100, Jose Abreu wrote: >>>>> Hi all, >>>>> >>>>> Currently I am trying to develop a DRM driver that will use >>>>> Xilinx VDMA to tran

DRM DMA Engine

2016-05-30 Thread Daniel Vetter
at 04:46:15PM +0100, Jose Abreu wrote: > >>> Hi all, > >>> > >>> Currently I am trying to develop a DRM driver that will use > >>> Xilinx VDMA to transfer video data to a HDMI TX Phy and I am > >>> facing a difficulty regarding the under

DRM DMA Engine

2016-05-30 Thread Jose Abreu
velop a DRM driver that will use >>> Xilinx VDMA to transfer video data to a HDMI TX Phy and I am >>> facing a difficulty regarding the understanding of the DRM DMA >>> Engine. I looked at several sources and at the DRM core source >>> but the flow of creating and

DRM DMA Engine

2016-05-30 Thread Jose Abreu
I TX Phy and I am >> facing a difficulty regarding the understanding of the DRM DMA >> Engine. I looked at several sources and at the DRM core source >> but the flow of creating and interfacing with the DMA controller >> is still not clear to me. >> >> At DRI web p

DRM DMA Engine

2016-05-26 Thread Daniel Vetter
On Wed, May 25, 2016 at 04:46:15PM +0100, Jose Abreu wrote: > Hi all, > > Currently I am trying to develop a DRM driver that will use > Xilinx VDMA to transfer video data to a HDMI TX Phy and I am > facing a difficulty regarding the understanding of the DRM DMA > Engine. I

DRM DMA Engine

2016-05-25 Thread Jose Abreu
Hi all, Currently I am trying to develop a DRM driver that will use Xilinx VDMA to transfer video data to a HDMI TX Phy and I am facing a difficulty regarding the understanding of the DRM DMA Engine. I looked at several sources and at the DRM core source but the flow of creating and interfacing

DRM DMA Engine

2016-05-25 Thread Jose Abreu
Hi all, Currently I am trying to develop a DRM driver that will use Xilinx VDMA to transfer video data to a HDMI TX Phy and I am facing a difficulty regarding the understanding of the DRM DMA Engine. I looked at several sources and at the DRM core source but the flow of creating and interfacing