From: Kevin Wang <[email protected]> add callback function pre_display_config_changed for navi10 asic
Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 214ceece428d..569f788ce2f6 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -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) -- 2.20.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
