Re: [PATCH v5 15/16] drm/mediatek: modify mediatek-drm for mt8195 multi mmsys support

2021-10-03 Thread Nancy . Lin
Hi Chun-Kuang, Thanks for the review. On Wed, 2021-09-29 at 08:03 +0800, Chun-Kuang Hu wrote: > > Hi, Nancy: > > Nancy.Lin 於 2021年9月6日 週一 下午3:15寫道: > > > > MT8195 have two mmsys. Modify drm for MT8195 multi-mmsys support. > > The two mmsys (vdosys0 and vdosys1) will bring up two drm

Re: Questions over DSI within DRM.

2021-10-03 Thread Andrzej Hajda
Hi, Thanks Laurent for reviving the thread, I have missed it entirely. On 03.10.2021 16:16, Laurent Pinchart wrote: Hello, Reviving a bit of an old thread. On Thu, Jul 15, 2021 at 11:50:22AM +0200, Maxime Ripard wrote: On Tue, Jul 06, 2021 at 05:44:58PM +0100, Dave Stevenson wrote: On

572994bf18ff prevents system boot

2021-10-03 Thread Chuck Lever III
Hi- After updating one of my test systems to v5.15-rc, I found that it becomes unresponsive during the later part of the boot process. A power-on reset is necessary to recover. I bisected to this commit: 572994bf18ff ("drm/ast: Zero is missing in detect function") Checking out v5.15-rc3 and

Re: Questions over DSI within DRM.

2021-10-03 Thread Laurent Pinchart
Hello, Reviving a bit of an old thread. On Thu, Jul 15, 2021 at 11:50:22AM +0200, Maxime Ripard wrote: > On Tue, Jul 06, 2021 at 05:44:58PM +0100, Dave Stevenson wrote: > > On Tue, 6 Jul 2021 at 16:13, Maxime Ripard wrote: > > > > > > On a similar theme, some devices want the clock lane in HS

Re: [PATCH] drm: rcar-du: Don't create encoder for unconnected LVDS outputs

2021-10-03 Thread Laurent Pinchart
Hi Geert, On Tue, Sep 28, 2021 at 10:55:57AM +0200, Geert Uytterhoeven wrote: > On Mon, Aug 23, 2021 at 4:54 PM Laurent Pinchart wrote: > > On Mon, Aug 23, 2021 at 02:25:32PM +0200, Geert Uytterhoeven wrote: > > > On Sun, Aug 22, 2021 at 2:36 AM Laurent Pinchart wrote: > > > > On R-Car D3 and E3,

[GIT FIXES FOR v5.15] R-Car DU fix

2021-10-03 Thread Laurent Pinchart
at: git://linuxtv.org/pinchartl/media.git tags/du-fixes-20211003 for you to fetch changes up to 734d0b3b6afd44510b4752ea730685f89e107767: drm: rcar-du: Don't create encoder for unconnected LVDS outputs (2021-10-03 16:05:36 +0300

Re: [PATCH v4 00/24] drm/bridge: Make panel and bridge probe order consistent

2021-10-03 Thread Laurent Pinchart
Hi Maxime, On Thu, Sep 30, 2021 at 12:56:02AM +0300, Laurent Pinchart wrote: > On Fri, Sep 10, 2021 at 12:11:54PM +0200, Maxime Ripard wrote: > > Hi, > > > > We've encountered an issue with the RaspberryPi DSI panel that prevented the > > whole display driver from probing. > > > > The issue is

[PATCH] drm/i915: Prefer struct_size over open coded arithmetic

2021-10-03 Thread Len Baker
As noted in the "Deprecated Interfaces, Language Features, Attributes, and Conventions" documentation [1], size calculations (especially multiplication) should not be performed in memory allocator (or similar) function arguments due to the risk of them overflowing. This could lead to values

[PATCH v7 2/2] habanalabs: add support for dma-buf exporter

2021-10-03 Thread Oded Gabbay
From: Tomer Tayar Implement the calls to the dma-buf kernel api to create a dma-buf object backed by FD. We block the option to mmap the DMA-BUF object because we don't support DIRECT_IO and implicit P2P. We only implement support for explicit P2P through importing the FD of the DMA-BUF. In

[PATCH v7 1/2] habanalabs: define uAPI to export FD for DMA-BUF

2021-10-03 Thread Oded Gabbay
User process might want to share the device memory with another driver/device, and to allow it to access it over PCIe (P2P). To enable this, we utilize the dma-buf mechanism and add a dma-buf exporter support, so the other driver can import the device memory and access it. The device memory is

[PATCH v7 0/2] Add p2p via dmabuf to habanalabs

2021-10-03 Thread Oded Gabbay
Hi, I'm sending v7 after the latest review from Jason. All the changes are detailed in the commit messages. Dave, I'll appreciate if you can also a-b this patchset. Thanks, Oded Oded Gabbay (1): habanalabs: define uAPI to export FD for DMA-BUF Tomer Tayar (1): habanalabs: add support for