Re: drm/exynos: g2d userptr memory corruption

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Tobias Jakobi wrote:
> Next I looked into Jerome's question about whethere the G2D is
> cache coherent with the CPU. I looked into old Android code and
> found FIMG2D_AXI_MODE_REG, a register that currently isn't
> touched in the DRM code.
> It seems to manipulate signals to the AXI Master interface.
> 
> The register looks like this:
> [0:3] ARCACHE
> [4:7] AWCACHE
> [8:15] ARUSERS
> [16:23] AWUSERS
> [24:25] MaxBurstLength
Correction, it looks like this:
[0:3] ARCACHE
[4:7] AWCACHE
[8:12] ARUSERS
[16:20] AWUSERS
[24:25] MaxBurstLength
(the rest of the bits are reserved)

With best wishes,
Tobias

_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux