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Date: Wed, 15 Mar 2023 09:50:08 +0100
From: Juerg Haefliger <juerg.haefliger@...onical.com>
To: Bjorn Andersson <quic_bjorande@...cinc.com>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
Rob Clark <robdclark@...il.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Sean Paul <sean@...rly.run>,
Akhil P Oommen <quic_akhilpo@...cinc.com>,
Bjorn Andersson <andersson@...nel.org>,
<linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
<freedreno@...ts.freedesktop.org>, <johan@...nel.org>,
<mani@...nel.org>
Subject: Re: [PATCH 1/3] drm/msm/adreno: Add Adreno A690 support
On Tue, 7 Feb 2023 19:40:50 -0800
Bjorn Andersson <quic_bjorande@...cinc.com> wrote:
> From: Bjorn Andersson <bjorn.andersson@...aro.org>
>
> Introduce support for the Adreno A690, found in Qualcomm SC8280XP.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
> ---
> 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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