From: patchwork-bot+linux-arm-msm@kernel.org
To: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 1/2] drm/msm/a6xx: Clear shadow on suspend
Date: Tue, 29 Dec 2020 20:15:33 +0000 [thread overview]
Message-ID: <160927293366.13751.177629542188411248.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20201110184401.282982-1-robdclark@gmail.com>
Hello:
This series was applied to qcom/linux.git (refs/heads/for-next):
On Tue, 10 Nov 2020 10:43:59 -0800 you wrote:
> From: Rob Clark <robdclark@chromium.org>
>
> Clear the shadow rptr on suspend. Otherwise, when we resume, we can
> have a stale value until CP_WHERE_AM_I executes. If we suspend near
> the ringbuffer wraparound point, this can lead to a chicken/egg
> situation where we are waiting for ringbuffer space to write the
> CP_WHERE_AM_I (or CP_INIT) packet, because we mistakenly believe that
> the ringbuffer is full (due to stale rptr value in the shadow).
>
> [...]
Here is the summary with links:
- [1/2] drm/msm/a6xx: Clear shadow on suspend
https://git.kernel.org/qcom/c/e8b0b994c3a5
- [2/2] drm/msm/a5xx: Clear shadow on suspend
https://git.kernel.org/qcom/c/5771de5d5b3b
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2020-12-29 20:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 18:43 [PATCH 1/2] drm/msm/a6xx: Clear shadow on suspend Rob Clark
2020-11-10 18:44 ` [PATCH 2/2] drm/msm/a5xx: " Rob Clark
2020-11-10 18:46 ` Jordan Crouse
2020-11-10 18:46 ` [PATCH 1/2] drm/msm/a6xx: " Jordan Crouse
2020-12-29 20:15 ` patchwork-bot+linux-arm-msm [this message]
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