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drm/amd/powerplay: add function pre_display_config_changed for navi10

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add callback function pre_display_config_changed for navi10 asic

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang 2019-04-22 14:37:46 +08:00 committed by Alex Deucher
parent a43913ea50
commit 284305445f
1 changed files with 22 additions and 0 deletions
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22
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
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@ -650,6 +650,27 @@ static int navi10_get_clock_by_type_with_latency(struct smu_context *smu,
return ret;
}
static int navi10_pre_display_config_changed(struct smu_context *smu)
{
int ret = 0;
uint32_t max_freq = 0;
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_NumOfDisplays, 0);
if (ret)
return ret;
if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
ret = smu_get_dpm_freq_range(smu, SMU_UCLK, NULL, &max_freq);
if (ret)
return ret;
ret = smu_set_hard_freq_range(smu, SMU_UCLK, 0, max_freq);
if (ret)
return ret;
}
return ret;
}
static const struct pptable_funcs navi10_ppt_funcs = {
.tables_init = navi10_tables_init,
.alloc_dpm_context = navi10_allocate_dpm_context,
@ -669,6 +690,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
.force_clk_levels = navi10_force_clk_levels,
.populate_umd_state_clk = navi10_populate_umd_state_clk,
.get_clock_by_type_with_latency = navi10_get_clock_by_type_with_latency,
.pre_display_config_changed = navi10_pre_display_config_changed,
};
void navi10_set_ppt_funcs(struct smu_context *smu)