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Message-ID: <20200518144703.GF3915@jcrouse1-lnx.qualcomm.com>
Date:   Mon, 18 May 2020 08:47:03 -0600
From:   Jordan Crouse <jcrouse@...eaurora.org>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     freedreno@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sharat Masetty <smasetty@...eaurora.org>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@...r.kernel.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 9/9] drm/msm/a6xx: update a6xx_hw_init for A640 and
 A650

On Thu, Apr 23, 2020 at 05:09:21PM -0400, Jonathan Marek wrote:
> Adreno 640 and 650 GPUs need some registers set differently.

As before, make sure you send the XML updates up so the database stays current.

Reviewed-by: Jordan Crouse <jcrouse@...eaurora.org>

> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx.xml.h | 14 +++++++
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 56 ++++++++++++++++++++++-----
>  2 files changed, 61 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx.xml.h b/drivers/gpu/drm/msm/adreno/a6xx.xml.h
> index ed78fee2a262..47840b73cdda 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx.xml.h
> +++ b/drivers/gpu/drm/msm/adreno/a6xx.xml.h
> @@ -1047,6 +1047,8 @@ enum a6xx_tex_type {
>  
>  #define REG_A6XX_CP_MISC_CNTL					0x00000840
>  
> +#define REG_A6XX_CP_APRIV_CNTL					0x00000844
> +
>  #define REG_A6XX_CP_ROQ_THRESHOLDS_1				0x000008c1
>  
>  #define REG_A6XX_CP_ROQ_THRESHOLDS_2				0x000008c2
> @@ -1764,6 +1766,8 @@ static inline uint32_t A6XX_CP_PROTECT_REG_MASK_LEN(uint32_t val)
>  
>  #define REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL			0x00000010
>  
> +#define REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL			0x00000011
> +
>  #define REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL			0x0000001f
>  
>  #define REG_A6XX_RBBM_INT_CLEAR_CMD				0x00000037
> @@ -2418,6 +2422,16 @@ static inline uint32_t A6XX_UCHE_CLIENT_PF_PERFSEL(uint32_t val)
>  
>  #define REG_A6XX_TPL1_NC_MODE_CNTL				0x0000b604
>  
> +#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_0			0x0000b608
> +
> +#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_1			0x0000b609
> +
> +#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_2			0x0000b60a
> +
> +#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_3			0x0000b60b
> +
> +#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_4			0x0000b60c
> +
>  #define REG_A6XX_TPL1_PERFCTR_TP_SEL_0				0x0000b610
>  
>  #define REG_A6XX_TPL1_PERFCTR_TP_SEL_1				0x0000b611
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index a860d4970e10..e1eb34fa3a99 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -414,7 +414,17 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
>  		a6xx_set_hwcg(gpu, true);
>  
>  	/* VBIF/GBIF start*/
> -	gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3);
> +	if (adreno_is_a640(adreno_gpu) || adreno_is_a650(adreno_gpu)) {
> +		gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE0, 0x00071620);
> +		gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE1, 0x00071620);
> +		gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE2, 0x00071620);
> +		gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620);
> +		gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620);
> +		gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x3);
> +	} else {
> +		gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3);
> +	}
> +
>  	if (adreno_is_a630(adreno_gpu))
>  		gpu_write(gpu, REG_A6XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000009);
>  
> @@ -429,25 +439,35 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
>  	gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_LO, 0xfffff000);
>  	gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_HI, 0x0001ffff);
>  
> -	/* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */
> -	gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN_LO,
> -		REG_A6XX_UCHE_GMEM_RANGE_MIN_HI, 0x00100000);
> +	if (!adreno_is_a650(adreno_gpu)) {
> +		/* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */
> +		gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN_LO,
> +			REG_A6XX_UCHE_GMEM_RANGE_MIN_HI, 0x00100000);
>  
> -	gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX_LO,
> -		REG_A6XX_UCHE_GMEM_RANGE_MAX_HI,
> -		0x00100000 + adreno_gpu->gmem - 1);
> +		gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX_LO,
> +			REG_A6XX_UCHE_GMEM_RANGE_MAX_HI,
> +			0x00100000 + adreno_gpu->gmem - 1);
> +	}
>  
>  	gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804);
>  	gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4);
>  
> -	gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0);
> +	if (adreno_is_a640(adreno_gpu) || adreno_is_a650(adreno_gpu))
> +		gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x02000140);
> +	else
> +		gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0);
>  	gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c);
>  
>  	/* Setting the mem pool size */
>  	gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128);
>  
>  	/* Setting the primFifo thresholds default values */
> -	gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, (0x300 << 11));
> +	if (adreno_is_a650(adreno_gpu))
> +		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300000);
> +	else if (adreno_is_a640(adreno_gpu))
> +		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200000);
> +	else
> +		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, (0x300 << 11));
>  
>  	/* Set the AHB default slave response to "ERROR" */
>  	gpu_write(gpu, REG_A6XX_CP_AHB_CNTL, 0x1);
> @@ -471,6 +491,19 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
>  
>  	gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1);
>  
> +	/* Set weights for bicubic filtering */
> +	if (adreno_is_a650(adreno_gpu)) {
> +		gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_0, 0);
> +		gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_1,
> +			0x3fe05ff4);
> +		gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_2,
> +			0x3fa0ebee);
> +		gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_3,
> +			0x3f5193ed);
> +		gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_4,
> +			0x3f0243f0);
> +	}
> +
>  	/* Protect registers from the CP */
>  	gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, 0x00000003);
>  
> @@ -508,6 +541,11 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
>  			A6XX_PROTECT_RDONLY(0x980, 0x4));
>  	gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0));
>  
> +	if (adreno_is_a650(adreno_gpu)) {
> +		gpu_write(gpu, REG_A6XX_CP_APRIV_CNTL,
> +			(1 << 6) | (1 << 5) | (1 << 3) | (1 << 2) | (1 << 1));
> +	}
> +
>  	/* Enable interrupts */
>  	gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, A6XX_INT_MASK);
>  
> -- 
> 2.26.1
> 

-- 
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