Re: [PATCH] drm/amd/pp: Clean register first to avoid read original value

2018-03-30 Thread Eric Huang
30, 2018 11:22 PM *To:* amd-gfx@lists.freedesktop.org *Subject:* Re: [PATCH] drm/amd/pp: Clean register first to avoid read original value On 03/30/2018 10:36 AM, Eric Huang wrote: > It is not necessary to do that. The register will reset to 0 after > reading. The register is not r

Re: [PATCH] drm/amd/pp: Clean register first to avoid read original value

2018-03-30 Thread Zhu, Rex
: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of Eric Huang <jinhuieric.hu...@amd.com> Sent: Friday, March 30, 2018 11:22 PM To: amd-gfx@lists.freedesktop.org Subject: Re: [PATCH] drm/amd/pp: Clean register first to avoid read original value On 03/30/2018 10:36 AM, Eric

Re: [PATCH] drm/amd/pp: Clean register first to avoid read original value

2018-03-30 Thread Eric Huang
On 03/30/2018 10:36 AM, Eric Huang wrote: It is not necessary to do that. The register will reset to 0 after reading. The register is not reset after reading. Actually after PPSMC_MSG_PmStatusLogSample sent, the register will be updated. So it is still not necessary to do that. Eric Eric

Re: [PATCH] drm/amd/pp: Clean register first to avoid read original value

2018-03-30 Thread Eric Huang
It is not necessary to do that. The register will reset to 0 after reading. Eric On 03/30/2018 03:33 AM, Rex Zhu wrote: Signed-off-by: Rex Zhu --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 13 + 1 file changed, 13 insertions(+) diff --git

Re: [PATCH] drm/amd/pp: Clean register first to avoid read original value

2018-03-30 Thread Deucher, Alexander
[PATCH] drm/amd/pp: Clean register first to avoid read original value Signed-off-by: Rex Zhu <rex@amd.com> --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 13 + 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu

[PATCH] drm/amd/pp: Clean register first to avoid read original value

2018-03-30 Thread Rex Zhu
Signed-off-by: Rex Zhu --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 13 + 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index aaa9f5b..38cf3a1 100644 ---