diff options
| author | Matt Coffin <mcoffin13@gmail.com> | 2020-02-26 16:16:12 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-02-28 16:59:23 -0500 |
| commit | 1c58267cbe46f0b5741628a72d10b5464712a012 (patch) | |
| tree | cda0abc21d7a98e21afe89c0f485d9b8674f91cd /drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | |
| parent | 2622e2ae27b5bcc31090cd904d54d29111cc7113 (diff) | |
drm/amdgpu/powerplay: Refactor SMU message handling for safety
Move the responsibility for reading argument registers into the
smu_send_smc_msg* implementations, so that adding a message-sending lock
to protect the SMU registers will result in the lock still being held
when the argument is read.
v2: transition smu_v12_0, it's asics, and vega20
Signed-off-by: Matt Coffin <mcoffin13@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/arcturus_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index d3c4e7a8c1b1..be61451535c2 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -374,13 +374,13 @@ arcturus_set_single_dpm_table(struct smu_context *smu, ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetDpmFreqByIndex, - (clk_id << 16 | 0xFF)); + (clk_id << 16 | 0xFF), + &num_of_levels); if (ret) { pr_err("[%s] failed to get dpm levels!\n", __func__); return ret; } - smu_read_smc_arg(smu, &num_of_levels); if (!num_of_levels) { pr_err("[%s] number of clk levels is invalid!\n", __func__); return -EINVAL; @@ -390,12 +390,12 @@ arcturus_set_single_dpm_table(struct smu_context *smu, for (i = 0; i < num_of_levels; i++) { ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetDpmFreqByIndex, - (clk_id << 16 | i)); + (clk_id << 16 | i), + &clk); if (ret) { pr_err("[%s] failed to get dpm freq by index!\n", __func__); return ret; } - smu_read_smc_arg(smu, &clk); if (!clk) { pr_err("[%s] clk value is invalid!\n", __func__); return -EINVAL; @@ -553,13 +553,13 @@ static int arcturus_run_btc(struct smu_context *smu) { int ret = 0; - ret = smu_send_smc_msg(smu, SMU_MSG_RunAfllBtc); + ret = smu_send_smc_msg(smu, SMU_MSG_RunAfllBtc, NULL); if (ret) { pr_err("RunAfllBtc failed!\n"); return ret; } - return smu_send_smc_msg(smu, SMU_MSG_RunDcBtc); + return smu_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL); } static int arcturus_populate_umd_state_clk(struct smu_context *smu) @@ -744,7 +744,8 @@ static int arcturus_upload_dpm_level(struct smu_context *smu, bool max, single_dpm_table->dpm_state.soft_min_level; ret = smu_send_smc_msg_with_param(smu, (max ? SMU_MSG_SetSoftMaxByFreq : SMU_MSG_SetSoftMinByFreq), - (PPCLK_GFXCLK << 16) | (freq & 0xffff)); + (PPCLK_GFXCLK << 16) | (freq & 0xffff), + NULL); if (ret) { pr_err("Failed to set soft %s gfxclk !\n", max ? "max" : "min"); @@ -759,7 +760,8 @@ static int arcturus_upload_dpm_level(struct smu_context *smu, bool max, single_dpm_table->dpm_state.soft_min_level; ret = smu_send_smc_msg_with_param(smu, (max ? SMU_MSG_SetSoftMaxByFreq : SMU_MSG_SetSoftMinByFreq), - (PPCLK_UCLK << 16) | (freq & 0xffff)); + (PPCLK_UCLK << 16) | (freq & 0xffff), + NULL); if (ret) { pr_err("Failed to set soft %s memclk !\n", max ? "max" : "min"); @@ -774,7 +776,8 @@ static int arcturus_upload_dpm_level(struct smu_context *smu, bool max, single_dpm_table->dpm_state.soft_min_level; ret = smu_send_smc_msg_with_param(smu, (max ? SMU_MSG_SetSoftMaxByFreq : SMU_MSG_SetSoftMinByFreq), - (PPCLK_SOCCLK << 16) | (freq & 0xffff)); + (PPCLK_SOCCLK << 16) | (freq & 0xffff), + NULL); if (ret) { pr_err("Failed to set soft %s socclk !\n", max ? "max" : "min"); @@ -1289,12 +1292,11 @@ static int arcturus_get_power_limit(struct smu_context *smu, return -EINVAL; ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetPptLimit, - power_src << 16); + power_src << 16, &asic_default_power_limit); if (ret) { pr_err("[%s] get PPT limit failed!", __func__); return ret; } - smu_read_smc_arg(smu, &asic_default_power_limit); } else { /* the last hope to figure out the ppt limit */ if (!pptable) { @@ -1498,7 +1500,8 @@ static int arcturus_set_power_profile_mode(struct smu_context *smu, ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetWorkloadMask, - 1 << workload_type); + 1 << workload_type, + NULL); if (ret) { pr_err("Fail to set workload type %d\n", workload_type); return ret; @@ -2233,7 +2236,7 @@ static int arcturus_set_df_cstate(struct smu_context *smu, return -EINVAL; } - return smu_send_smc_msg_with_param(smu, SMU_MSG_DFCstateControl, state); + return smu_send_smc_msg_with_param(smu, SMU_MSG_DFCstateControl, state, NULL); } static const struct pptable_funcs arcturus_ppt_funcs = { |