Re: [PATCH v8 14/18] drm/msm/a6xx: Fix some A619 tunables

From: Akhil P Oommen <quic_akhilpo@quicinc.com>
To: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: Rob Clark <robdclark@chromium.org>,
	freedreno@lists.freedesktop.org,
	Conor Dooley <conor+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	devicetree@vger.kernel.org, Sean Paul <sean@poorly.run>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@somainline.org>,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Rob Herring <robh+dt@kernel.org>,
	linux-arm-msm@vger.kernel.org,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Marijn Suijten <marijn.suijten@somainline.org>
Subject: Re: [PATCH v8 14/18] drm/msm/a6xx: Fix some A619 tunables
Date: Thu, 15 Jun 2023 01:14:29 +0530	[thread overview]
Message-ID: <aqve5igov3etinkljvs5vza5zky5yssebbk76flomongrzra7u@mjgt7ri2ftkw> (raw)
In-Reply-To: <20230223-topic-gmuwrapper-v8-14-69c68206609e@linaro.org>

On Mon, May 29, 2023 at 03:52:33PM +0200, Konrad Dybcio wrote:
> 
> Adreno 619 expects some tunables to be set differently. Make up for it.
> 
> Fixes: b7616b5c69e6 ("drm/msm/adreno: Add A619 support")
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index c0d5973320d9..1a29e7dd9975 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -1198,6 +1198,8 @@ static int hw_init(struct msm_gpu *gpu)
>  		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200);
>  	else if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
>  		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
> +	else if (adreno_is_a619(adreno_gpu))
> +		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00018000);
>  	else if (adreno_is_a610(adreno_gpu))
>  		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00080000);
>  	else
> @@ -1215,7 +1217,9 @@ static int hw_init(struct msm_gpu *gpu)
>  	a6xx_set_ubwc_config(gpu);
>  
>  	/* Enable fault detection */
> -	if (adreno_is_a610(adreno_gpu))
> +	if (adreno_is_a619(adreno_gpu))
> +		gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3fffff);
> +	else if (adreno_is_a610(adreno_gpu))
>  		gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3ffff);
>  	else
>  		gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x1fffff);

Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>

-Akhil
> 
> -- 
> 2.40.1
>