diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_hfi.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_hfi.c | 121 |
1 files changed, 105 insertions, 16 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c index cdb3f6e74d3e..0989aee3dd2c 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c @@ -6,6 +6,7 @@ #include <linux/list.h> #include <soc/qcom/cmd-db.h> +#include <soc/qcom/tcs.h> #include "a6xx_gmu.h" #include "a6xx_gmu.xml.h" @@ -259,6 +260,48 @@ static int a6xx_hfi_send_perf_table(struct a6xx_gmu *gmu) NULL, 0); } +static void a6xx_generate_bw_table(const struct a6xx_info *info, struct a6xx_gmu *gmu, + struct a6xx_hfi_msg_bw_table *msg) +{ + unsigned int i, j; + + for (i = 0; i < GMU_MAX_BCMS; i++) { + if (!info->bcms[i].name) + break; + msg->ddr_cmds_addrs[i] = cmd_db_read_addr(info->bcms[i].name); + } + msg->ddr_cmds_num = i; + + for (i = 0; i < gmu->nr_gpu_bws; ++i) + for (j = 0; j < msg->ddr_cmds_num; j++) + msg->ddr_cmds_data[i][j] = gmu->gpu_ib_votes[i][j]; + msg->bw_level_num = gmu->nr_gpu_bws; + + /* Compute the wait bitmask with each BCM having the commit bit */ + msg->ddr_wait_bitmask = 0; + for (j = 0; j < msg->ddr_cmds_num; j++) + if (msg->ddr_cmds_data[0][j] & BCM_TCS_CMD_COMMIT_MASK) + msg->ddr_wait_bitmask |= BIT(j); + + /* + * These are the CX (CNOC) votes - these are used by the GMU + * The 'CN0' BCM is used on all targets, and votes are basically + * 'off' and 'on' states with first bit to enable the path. + */ + + msg->cnoc_cmds_addrs[0] = cmd_db_read_addr("CN0"); + msg->cnoc_cmds_num = 1; + + msg->cnoc_cmds_data[0][0] = BCM_TCS_CMD(true, false, 0, 0); + msg->cnoc_cmds_data[1][0] = BCM_TCS_CMD(true, true, 0, BIT(0)); + + /* Compute the wait bitmask with each BCM having the commit bit */ + msg->cnoc_wait_bitmask = 0; + for (j = 0; j < msg->cnoc_cmds_num; j++) + if (msg->cnoc_cmds_data[0][j] & BCM_TCS_CMD_COMMIT_MASK) + msg->cnoc_wait_bitmask |= BIT(j); +} + static void a618_build_bw_table(struct a6xx_hfi_msg_bw_table *msg) { /* Send a single "off" entry since the 618 GMU doesn't do bus scaling */ @@ -478,6 +521,37 @@ static void a660_build_bw_table(struct a6xx_hfi_msg_bw_table *msg) msg->cnoc_cmds_data[1][0] = 0x60000001; } +static void a663_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 = 0x07; + + msg->ddr_cmds_addrs[0] = 0x50004; + msg->ddr_cmds_addrs[1] = 0x50000; + msg->ddr_cmds_addrs[2] = 0x500b4; + + 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] = 0x50058; + msg->cnoc_cmds_data[0][0] = 0x40000000; + msg->cnoc_cmds_data[1][0] = 0x60000001; +} + static void adreno_7c3_build_bw_table(struct a6xx_hfi_msg_bw_table *msg) { /* @@ -630,32 +704,47 @@ static void a6xx_build_bw_table(struct a6xx_hfi_msg_bw_table *msg) static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu) { - struct a6xx_hfi_msg_bw_table msg = { 0 }; + struct a6xx_hfi_msg_bw_table *msg; struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu); struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; + const struct a6xx_info *info = adreno_gpu->info->a6xx; + + if (gmu->bw_table) + goto send; - if (adreno_is_a618(adreno_gpu)) - a618_build_bw_table(&msg); + msg = devm_kzalloc(gmu->dev, sizeof(*msg), GFP_KERNEL); + if (!msg) + return -ENOMEM; + + if (info->bcms && gmu->nr_gpu_bws > 1) + a6xx_generate_bw_table(info, gmu, msg); + else if (adreno_is_a618(adreno_gpu)) + a618_build_bw_table(msg); else if (adreno_is_a619(adreno_gpu)) - a619_build_bw_table(&msg); + a619_build_bw_table(msg); else if (adreno_is_a640_family(adreno_gpu)) - a640_build_bw_table(&msg); + a640_build_bw_table(msg); else if (adreno_is_a650(adreno_gpu)) - a650_build_bw_table(&msg); + a650_build_bw_table(msg); else if (adreno_is_7c3(adreno_gpu)) - adreno_7c3_build_bw_table(&msg); + adreno_7c3_build_bw_table(msg); else if (adreno_is_a660(adreno_gpu)) - a660_build_bw_table(&msg); + a660_build_bw_table(msg); + else if (adreno_is_a663(adreno_gpu)) + a663_build_bw_table(msg); else if (adreno_is_a690(adreno_gpu)) - a690_build_bw_table(&msg); + a690_build_bw_table(msg); else if (adreno_is_a730(adreno_gpu)) - a730_build_bw_table(&msg); + a730_build_bw_table(msg); else if (adreno_is_a740_family(adreno_gpu)) - a740_build_bw_table(&msg); + a740_build_bw_table(msg); else - a6xx_build_bw_table(&msg); + a6xx_build_bw_table(msg); + + gmu->bw_table = msg; - return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_BW_TABLE, &msg, sizeof(msg), +send: + return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_BW_TABLE, gmu->bw_table, sizeof(*(gmu->bw_table)), NULL, 0); } @@ -683,13 +772,13 @@ static int a6xx_hfi_send_core_fw_start(struct a6xx_gmu *gmu) sizeof(msg), NULL, 0); } -int a6xx_hfi_set_freq(struct a6xx_gmu *gmu, int index) +int a6xx_hfi_set_freq(struct a6xx_gmu *gmu, u32 freq_index, u32 bw_index) { struct a6xx_hfi_gx_bw_perf_vote_cmd msg = { 0 }; msg.ack_type = 1; /* blocking */ - msg.freq = index; - msg.bw = 0; /* TODO: bus scaling */ + msg.freq = freq_index; + msg.bw = bw_index; return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_GX_BW_PERF_VOTE, &msg, sizeof(msg), NULL, 0); |