From: hersen wu <[email protected]> when dc set mode or color format in frame buffer change, it may request clock changes, like dispclk, dcfclk, uclk. after smu get clock requests, smu will make decision.
Signed-off-by: hersen wu <[email protected]> Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 6ffff5ab74b4..1b5d4084eedc 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1275,7 +1275,8 @@ smu_v11_0_display_clock_voltage_request(struct smu_context *smu, if (!smu->pm_enabled) return -EINVAL; - if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT)) { + if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) || + smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) { switch (clk_type) { case amd_pp_dcef_clock: clk_select = SMU_DCEFCLK; @@ -1289,6 +1290,9 @@ smu_v11_0_display_clock_voltage_request(struct smu_context *smu, case amd_pp_phy_clock: clk_select = SMU_PHYCLK; break; + case amd_pp_mem_clock: + clk_select = SMU_UCLK; + break; default: pr_info("[%s] Invalid Clock Type!", __func__); ret = -EINVAL; @@ -1298,8 +1302,10 @@ smu_v11_0_display_clock_voltage_request(struct smu_context *smu, if (ret) goto failed; + mutex_lock(&smu->mutex); ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinByFreq, (smu_clk_get_index(smu, clk_select) << 16) | clk_freq); + mutex_unlock(&smu->mutex); } failed: -- 2.20.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
