From e22821e6302780e2acaef7438cab828f68dde9d1 Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Fri, 9 Jun 2023 13:07:56 +0800 Subject: [PATCH] drm/amd/pm: fix vclk setting failed for SMU v13.0.5 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit PMFW use the left-shifted 16 bits argument to set the VCLK DPM frequency for SMU v13.0.5. Signed-off-by: Tim Huang Acked-by: Alex Deucher Reviewed-by: Yifan Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c index 7c3ac53..725c791 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c @@ -831,6 +831,8 @@ static int smu_v13_0_5_set_soft_freq_limited_range(struct smu_context *smu, uint32_t max) { enum smu_message_type msg_set_min, msg_set_max; + uint32_t min_clk = min; + uint32_t max_clk = max; int ret = 0; if (!smu_v13_0_5_clk_dpm_is_enabled(smu, clk_type)) @@ -851,11 +853,16 @@ static int smu_v13_0_5_set_soft_freq_limited_range(struct smu_context *smu, return -EINVAL; } - ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_min, min, NULL); + if (clk_type == SMU_VCLK) { + min_clk = min << SMU_13_VCLK_SHIFT; + max_clk = max << SMU_13_VCLK_SHIFT; + } + + ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_min, min_clk, NULL); if (ret) goto out; - ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_max, max, NULL); + ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_max, max_clk, NULL); if (ret) goto out; -- 2.7.4