Re: [PATCH 1/3] drm/msm/adreno: Add Adreno A690 support

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On Tue, 7 Feb 2023 19:40:50 -0800
Bjorn Andersson <quic_bjorande@xxxxxxxxxxx> wrote:

> From: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> 
> Introduce support for the Adreno A690, found in Qualcomm SC8280XP.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c      | 120 ++++++++++++++++++++-
>  drivers/gpu/drm/msm/adreno/a6xx_hfi.c      |  34 ++++++
>  drivers/gpu/drm/msm/adreno/adreno_device.c |  14 +++
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h    |  10 +-
>  4 files changed, 173 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index aae60cbd9164..81dfcc5073ad 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -588,6 +588,63 @@ const struct adreno_reglist a660_hwcg[] = {
>  	{},
>  };
>  
> +const struct adreno_reglist a690_hwcg[] = {
> +	{REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
> +	{REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
> +	{REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x22222222},
> +	{REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
> +	{REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
> +	{REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
> +	{REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
> +	{REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
> +	{REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
> +	{REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
> +	{REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
> +	{REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
> +	{REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
> +	{REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x01002222},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
> +	{REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040F00},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x25222022},
> +	{REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
> +	{REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
> +	{REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
> +	{REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
> +	{REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
> +	{REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
> +	{REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
> +	{REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
> +	{REG_A6XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_TEX_FCHE, 0x00000222},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_TEX_FCHE, 0x00000111},
> +	{REG_A6XX_RBBM_CLOCK_HYST_TEX_FCHE, 0x00000000},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
> +	{REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
> +	{REG_A6XX_RBBM_CLOCK_CNTL, 0x8AA8AA82},
> +	{REG_A6XX_RBBM_ISDB_CNT, 0x00000182},
> +	{REG_A6XX_RBBM_RAC_THRESHOLD_CNT, 0x00000000},
> +	{REG_A6XX_RBBM_SP_HYST_CNT, 0x00000000},
> +	{REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
> +	{REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
> +	{REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
> +	{REG_A6XX_GPU_GMU_AO_GMU_CGC_MODE_CNTL, 0x20200},
> +	{REG_A6XX_GPU_GMU_AO_GMU_CGC_DELAY_CNTL, 0x10111},
> +	{REG_A6XX_GPU_GMU_AO_GMU_CGC_HYST_CNTL, 0x5555},
> +	{}
> +};
> +
>  static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
>  {
>  	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
> @@ -747,6 +804,45 @@ static const u32 a660_protect[] = {
>  	A6XX_PROTECT_NORDWR(0x1f8c0, 0x0000), /* note: infinite range */
>  };
>  
> +/* These are for a690 */
> +static const u32 a690_protect[] = {
> +	A6XX_PROTECT_RDONLY(0x00000, 0x004ff),
> +	A6XX_PROTECT_RDONLY(0x00501, 0x00001),
> +	A6XX_PROTECT_RDONLY(0x0050b, 0x002f4),
> +	A6XX_PROTECT_NORDWR(0x0050e, 0x00000),
> +	A6XX_PROTECT_NORDWR(0x00510, 0x00000),
> +	A6XX_PROTECT_NORDWR(0x00534, 0x00000),
> +	A6XX_PROTECT_NORDWR(0x00800, 0x00082),
> +	A6XX_PROTECT_NORDWR(0x008a0, 0x00008),
> +	A6XX_PROTECT_NORDWR(0x008ab, 0x00024),
> +	A6XX_PROTECT_RDONLY(0x008d0, 0x000bc),
> +	A6XX_PROTECT_NORDWR(0x00900, 0x0004d),
> +	A6XX_PROTECT_NORDWR(0x0098d, 0x00272),
> +	A6XX_PROTECT_NORDWR(0x00e00, 0x00001),
> +	A6XX_PROTECT_NORDWR(0x00e03, 0x0000c),
> +	A6XX_PROTECT_NORDWR(0x03c00, 0x000c3),
> +	A6XX_PROTECT_RDONLY(0x03cc4, 0x01fff),
> +	A6XX_PROTECT_NORDWR(0x08630, 0x001cf),
> +	A6XX_PROTECT_NORDWR(0x08e00, 0x00000),
> +	A6XX_PROTECT_NORDWR(0x08e08, 0x00008),
> +	A6XX_PROTECT_NORDWR(0x08e50, 0x0001f),
> +	A6XX_PROTECT_NORDWR(0x08e80, 0x0027f),
> +	A6XX_PROTECT_NORDWR(0x09624, 0x001db),
> +	A6XX_PROTECT_NORDWR(0x09e60, 0x00011),
> +	A6XX_PROTECT_NORDWR(0x09e78, 0x00187),
> +	A6XX_PROTECT_NORDWR(0x0a630, 0x001cf),
> +	A6XX_PROTECT_NORDWR(0x0ae02, 0x00000),
> +	A6XX_PROTECT_NORDWR(0x0ae50, 0x0012f),
> +	A6XX_PROTECT_NORDWR(0x0b604, 0x00000),
> +	A6XX_PROTECT_NORDWR(0x0b608, 0x00006),
> +	A6XX_PROTECT_NORDWR(0x0be02, 0x00001),
> +	A6XX_PROTECT_NORDWR(0x0be20, 0x0015f),
> +	A6XX_PROTECT_NORDWR(0x0d000, 0x005ff),
> +	A6XX_PROTECT_NORDWR(0x0f000, 0x00bff),
> +	A6XX_PROTECT_RDONLY(0x0fc00, 0x01fff),
> +	A6XX_PROTECT_NORDWR(0x11c00, 0x00000), /*note: infiite range */
> +};
> +
>  static void a6xx_set_cp_protect(struct msm_gpu *gpu)
>  {
>  	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
> @@ -758,6 +854,11 @@ static void a6xx_set_cp_protect(struct msm_gpu *gpu)
>  		count = ARRAY_SIZE(a650_protect);
>  		count_max = 48;
>  		BUILD_BUG_ON(ARRAY_SIZE(a650_protect) > 48);
> +	} else if (adreno_is_a690(adreno_gpu)) {
> +		regs = a690_protect;
> +		count = ARRAY_SIZE(a690_protect);
> +		count_max = 48;
> +		BUILD_BUG_ON(ARRAY_SIZE(a690_protect) > 48);
>  	} else if (adreno_is_a660_family(adreno_gpu)) {
>  		regs = a660_protect;
>  		count = ARRAY_SIZE(a660_protect);
> @@ -806,6 +907,13 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
>  		uavflagprd_inv = 2;
>  	}
>  
> +	if (adreno_is_a690(adreno_gpu)) {
> +		lower_bit = 2;
> +		amsbc = 1;
> +		rgb565_predicator = 1;
> +		uavflagprd_inv = 2;
> +	}
> +
>  	if (adreno_is_7c3(adreno_gpu)) {
>  		lower_bit = 1;
>  		amsbc = 1;
> @@ -1065,13 +1173,18 @@ static int hw_init(struct msm_gpu *gpu)
>  	if (adreno_is_a660_family(adreno_gpu))
>  		gpu_write(gpu, REG_A6XX_CP_LPAC_PROG_FIFO_SIZE, 0x00000020);
>  
> +	if (adreno_is_a690(adreno_gpu)) {
> +		gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x0);
> +		gpu_write(gpu, REG_A6XX_CP_LPAC_PROG_FIFO_SIZE, 0x00000020);
> +	}
> +
>  	/* Setting the mem pool size */
>  	gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128);
>  
>  	/* Setting the primFifo thresholds default values,
>  	 * and vccCacheSkipDis=1 bit (0x200) for A640 and newer
>  	*/
> -	if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
> +	if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu) || adreno_is_a690(adreno_gpu))
>  		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
>  	else if (adreno_is_a640_family(adreno_gpu) || adreno_is_7c3(adreno_gpu))
>  		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200);
> @@ -1579,7 +1692,7 @@ static void a6xx_llc_activate(struct a6xx_gpu *a6xx_gpu)
>  		/* On A660, the SCID programming for UCHE traffic is done in
>  		 * A6XX_GBIF_SCACHE_CNTL0[14:10]
>  		 */
> -		if (adreno_is_a660_family(adreno_gpu))
> +		if (adreno_is_a660_family(adreno_gpu) || adreno_is_a690(adreno_gpu))
>  			gpu_rmw(gpu, REG_A6XX_GBIF_SCACHE_CNTL0, (0x1f << 10) |
>  				(1 << 8), (gpu_scid << 10) | (1 << 8));
>  	}
> @@ -2006,7 +2119,8 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
>  	info = adreno_info(config->rev);
>  
>  	if (info && (info->revn == 650 || info->revn == 660 ||
> -			adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), info->rev)))
> +		     info->revn == 690 ||
> +		     adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), info->rev)))
>  		adreno_gpu->base.hw_apriv = true;
>  
>  	a6xx_llc_slices_init(pdev, a6xx_gpu);
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
> index 2cc83e049613..4d6d68a25931 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
> @@ -4,6 +4,7 @@
>  #include <linux/completion.h>
>  #include <linux/circ_buf.h>
>  #include <linux/list.h>
> +#include <soc/qcom/cmd-db.h>
>  
>  #include "a6xx_gmu.h"
>  #include "a6xx_gmu.xml.h"
> @@ -414,6 +415,37 @@ static void a650_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
>  	msg->cnoc_cmds_data[1][0] =  0x60000001;
>  }
>  
> +static void a690_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
> +{
> +	/*
> +	 * Send a single "off" entry just to get things running
> +	 * TODO: bus scaling
> +	 */
> +	msg->bw_level_num = 1;
> +
> +	msg->ddr_cmds_num = 3;
> +	msg->ddr_wait_bitmask = 0x01;
> +
> +	msg->ddr_cmds_addrs[0] = cmd_db_read_addr("SH0");
> +	msg->ddr_cmds_addrs[1] = cmd_db_read_addr("MC0");
> +	msg->ddr_cmds_addrs[2] = cmd_db_read_addr("ACV");
> +
> +	msg->ddr_cmds_data[0][0] =  0x40000000;
> +	msg->ddr_cmds_data[0][1] =  0x40000000;
> +	msg->ddr_cmds_data[0][2] =  0x40000000;
> +
> +	/*
> +	 * These are the CX (CNOC) votes - these are used by the GMU but the
> +	 * votes are known and fixed for the target
> +	 */
> +	msg->cnoc_cmds_num = 1;
> +	msg->cnoc_wait_bitmask = 0x01;
> +
> +	msg->cnoc_cmds_addrs[0] = cmd_db_read_addr("CN0");
> +	msg->cnoc_cmds_data[0][0] =  0x40000000;
> +	msg->cnoc_cmds_data[1][0] =  0x60000001;
> +}
> +
>  static void a660_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
>  {
>  	/*
> @@ -531,6 +563,8 @@ static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)
>  		adreno_7c3_build_bw_table(&msg);
>  	else if (adreno_is_a660(adreno_gpu))
>  		a660_build_bw_table(&msg);
> +	else if (adreno_is_a690(adreno_gpu))
> +		a690_build_bw_table(&msg);
>  	else
>  		a6xx_build_bw_table(&msg);
>  
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> index ca38b837dedb..437515e46e5a 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> @@ -355,6 +355,20 @@ static const struct adreno_info gpulist[] = {
>  		.init = a6xx_gpu_init,
>  		.zapfw = "a640_zap.mdt",
>  		.hwcg = a640_hwcg,
> +	}, {
> +		.rev = ADRENO_REV(6, 9, 0, ANY_ID),
> +		.revn = 690,
> +		.name = "A690",
> +		.fw = {
> +			[ADRENO_FW_SQE] = "a660_sqe.fw",
> +			[ADRENO_FW_GMU] = "a690_gmu.bin",
> +		},
> +		.gmem = SZ_4M,
> +		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
> +		.init = a6xx_gpu_init,
> +		.zapfw = "a690_zap.mdt",
> +		.hwcg = a690_hwcg,
> +		.address_space_size = SZ_16G,
>  	},
>  };

This needs

MODULE_FIRMWARE("qcom/a660_sqe.fw");
MODULE_FIRMWARE("qcom/a690_gmu.bin");
MODULE_FIRMWARE("qcom/a690_zap.mbn");

...Juerg

  
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> index b4f9b1343d63..da29bd392388 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> @@ -55,7 +55,7 @@ struct adreno_reglist {
>  	u32 value;
>  };
>  
> -extern const struct adreno_reglist a615_hwcg[], a630_hwcg[], a640_hwcg[], a650_hwcg[], a660_hwcg[];
> +extern const struct adreno_reglist a615_hwcg[], a630_hwcg[], a640_hwcg[], a650_hwcg[], a660_hwcg[], a690_hwcg[];
>  
>  struct adreno_info {
>  	struct adreno_rev rev;
> @@ -272,6 +272,11 @@ static inline int adreno_is_a660(struct adreno_gpu *gpu)
>  	return gpu->revn == 660;
>  }
>  
> +static inline int adreno_is_a690(struct adreno_gpu *gpu)
> +{
> +	return gpu->revn == 690;
> +};
> +
>  /* check for a615, a616, a618, a619 or any derivatives */
>  static inline int adreno_is_a615_family(struct adreno_gpu *gpu)
>  {
> @@ -286,7 +291,8 @@ static inline int adreno_is_a660_family(struct adreno_gpu *gpu)
>  /* check for a650, a660, or any derivatives */
>  static inline int adreno_is_a650_family(struct adreno_gpu *gpu)
>  {
> -	return gpu->revn == 650 || gpu->revn == 620 || adreno_is_a660_family(gpu);
> +	return gpu->revn == 650 || gpu->revn == 620  || gpu->revn == 690 ||
> +	       adreno_is_a660_family(gpu);
>  }
>  
>  u64 adreno_private_address_space_size(struct msm_gpu *gpu);

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