From 44619596ebd4e1d97224c118fbfc77dcd63ec21b Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Wed, 12 Dec 2018 19:31:31 +0800 Subject: [PATCH] drm/amd/powerplay: add function to set min dcef deep sleep for smu11 (v2) Add smu_v11_0_set_min_dcef_deep_sleep function for smu11. v2: fix coding error about set_min_dcef_deep_sleep (Kevin) Signed-off-by: Kevin Wang Signed-off-by: Likun Gao Reviewed-by: Huang Rui Reviewed-by: Kevin Wang Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 742876cd83ed..8553c47bbac6 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -613,6 +613,23 @@ static int smu_v11_0_write_pptable(struct smu_context *smu) return ret; } +static int smu_v11_0_set_min_dcef_deep_sleep(struct smu_context *smu) +{ + int ret = 0; + struct smu_table_context *table_context = &smu->smu_table; + + if (!table_context) + return -EINVAL; + + ret = smu_send_smc_msg_with_param(smu, + PPSMC_MSG_SetMinDeepSleepDcefclk, + table_context->boot_values.dcefclk / 100); + if (ret) + pr_err("SMU11 attempt to set divider for DCEFCLK Failed!"); + + return ret; +} + static const struct smu_funcs smu_v11_0_funcs = { .init_microcode = smu_v11_0_init_microcode, .load_microcode = smu_v11_0_load_microcode, @@ -632,6 +649,7 @@ static const struct smu_funcs smu_v11_0_funcs = { .parse_pptable = smu_v11_0_parse_pptable, .populate_smc_pptable = smu_v11_0_populate_smc_pptable, .write_pptable = smu_v11_0_write_pptable, + .set_min_dcef_deep_sleep = smu_v11_0_set_min_dcef_deep_sleep, }; void smu_v11_0_set_smu_funcs(struct smu_context *smu) -- 2.30.2