On Tue, Mar 02, 2021 at 03:02:25PM -0800, Stephen Boyd wrote:
Quoting Sasha Levin (2021-03-02 03:55:07)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
[ Upstream commit 785c02eb35009a4be6dbc68f4f7d916e90b7177d ]
In some rare occasions, we want to only set the RETAIN_MEM bit, but
not the RETAIN_PERIPH one: this is seen on at least SDM630/636/660's
GPU-GX GDSC, where unsetting and setting back the RETAIN_PERIPH bit
will generate chaos and panics during GPU suspend time (mainly, the
chaos is unaligned access).
For this reason, introduce a new NO_RET_PERIPH flag to the GDSC
driver to address this corner case.
Is there a patch that's going to use this in stable trees? On its own
this patch doesn't make sense to backport.
Right, I'll also grab a59c16c80bd7 ("clk: qcom: gpucc-msm8998: Add
resets, cxc, fix flags on gpu_gx_gdsc") for 5.10 and 5.11. Thanks!
--
Thanks,
Sasha
