From: Harry Wentland <hwentlan@amd.com>
To: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>,
amd-gfx@lists.freedesktop.org
Cc: harry.wentland@amd.com
Subject: Re: [PATCH 0/5] HDCP SRM interface
Date: Wed, 22 Jan 2020 11:11:55 -0500 [thread overview]
Message-ID: <55a3fd2d-c2ed-4af0-543e-9850118b722a@amd.com> (raw)
In-Reply-To: <20200116202945.21801-1-Bhawanpreet.Lakha@amd.com>
On 2020-01-16 3:29 p.m., Bhawanpreet Lakha wrote:
> These patches adds support for SRM loading. By providing an interface to the
> usermode
>
> SRM has to be persistent and since the kernel cannot directly write to system
> storage we need to provide an interface so that the usermode can do it for us
>
We'll want to elaborate a bit more on why and how this is done. As
mentioned on my patch 2 comments I recommend to do this there as the
cover letter is lost after merge.
Harry
>
> Bhawanpreet Lakha (5):
> drm/amd/display: Pass amdgpu_device instead of psp_context
> drm/amd/display: update psp interface header
> drm/amd/display: Add sysfs interface for set/get srm
> drm/amd/display: Load srm before enabling HDCP
> drm/amd/display: call psp set/get interfaces
>
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
> .../amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 182 +++++++++++++++++-
> .../amd/display/amdgpu_dm/amdgpu_dm_hdcp.h | 9 +-
> .../drm/amd/display/modules/hdcp/hdcp_psp.h | 26 ++-
> 4 files changed, 212 insertions(+), 7 deletions(-)
>
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next prev parent reply other threads:[~2020-01-22 16:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 20:29 [PATCH 0/5] HDCP SRM interface Bhawanpreet Lakha
2020-01-16 20:29 ` [PATCH 1/5] drm/amd/display: Pass amdgpu_device instead of psp_context Bhawanpreet Lakha
2020-01-16 20:29 ` [PATCH 2/5] drm/amd/display: update psp interface header Bhawanpreet Lakha
2020-01-22 16:10 ` Harry Wentland
2020-01-16 20:29 ` [PATCH 3/5] drm/amd/display: Add sysfs interface for set/get srm Bhawanpreet Lakha
2020-01-17 19:23 ` Alex Deucher
2020-01-17 19:29 ` Bhawanpreet Lakha
2020-01-22 19:03 ` Harry Wentland
2020-01-16 20:29 ` [PATCH 4/5] drm/amd/display: Load srm before enabling HDCP Bhawanpreet Lakha
2020-01-16 20:29 ` [PATCH 5/5] drm/amd/display: call psp set/get interfaces Bhawanpreet Lakha
2020-01-22 19:25 ` Harry Wentland
2020-01-22 16:11 ` Harry Wentland [this message]
2020-01-22 16:23 ` [PATCH 0/5] HDCP SRM interface Alex Deucher
2020-01-22 16:44 ` Bhawanpreet Lakha
2020-01-22 19:27 ` Harry Wentland
2020-01-22 19:49 ` Deucher, Alexander
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