On 9/8/25 10:26 AM, Akhil P Oommen wrote:
> A7XX_GEN2 generation has additional TCS slots. Poll the respective
> DRV status registers before pm suspend.
>
> Fixes: 1f8c29e80066 ("drm/msm/a6xx: Add A740 support")
> Signed-off-by: Akhil P Oommen <akhi...@oss.qualcomm.com>
> ---
> drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
> b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
> index
> bb30b11175737e04d4bfd6bfa5470d6365c520fa..06870f6596a7cb045deecaff3c95fba32ee84d52
> 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
> @@ -987,6 +987,22 @@ static void a6xx_gmu_rpmh_off(struct a6xx_gmu *gmu)
> val, (val & 1), 100, 10000);
> gmu_poll_timeout_rscc(gmu, REG_A6XX_RSCC_TCS3_DRV0_STATUS + seqmem_off,
> val, (val & 1), 100, 1000);
> +
> + if (!adreno_is_a740_family(adreno_gpu))
> + return;
> +
> + gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS4_DRV0_STATUS + seqmem_off,
> + val, (val & 1), 100, 10000);
> + gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS5_DRV0_STATUS + seqmem_off,
> + val, (val & 1), 100, 10000);
> + gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS6_DRV0_STATUS + seqmem_off,
> + val, (val & 1), 100, 10000);
> + gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS7_DRV0_STATUS + seqmem_off,
> + val, (val & 1), 100, 1000);
> + gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS8_DRV0_STATUS + seqmem_off,
> + val, (val & 1), 100, 10000);
> + gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS9_DRV0_STATUS + seqmem_off,
> + val, (val & 1), 100, 1000);
https://lore.kernel.org/linux-arm-msm/002eb889-87cb-4b8c-98fb-6826c6977...@oss.qualcomm.com/
Konrad
