Re: [PATCH v4 06/14] drm/msm/a6xx: Remove both GBIF and RBBM GBIF halt on hw init

[Dmitry Baryshkov]

On 14/03/2023 17:28, Konrad Dybcio wrote:
> Currently we're only deasserting REG_A6XX_RBBM_GBIF_HALT, but we also
> need REG_A6XX_GBIF_HALT to be set to 0. For GMU-equipped GPUs this is
> done in a6xx_bus_clear_pending_transactions(), but for the GMU-less
> ones we have to do it *somewhere*. Unhalting both side by side sounds
> like a good plan and it won't cause any issues if it's unnecessary.
>
> Also, add a memory barrier to ensure it's gone through.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
>   drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

--
With best wishes
Dmitry