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-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c28
-rw-r--r--drivers/gpu/drm/amd/display/dc/dm_pp_smu.h6
2 files changed, 29 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c
index 5159a7ea966a..5ffc36753668 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dccg.c
@@ -178,6 +178,24 @@ static void notify_deep_sleep_dcfclk_to_smu(
pp_smu->set_min_deep_sleep_dcfclk(&pp_smu->pp_smu, min_dcef_deep_sleep_clk_mhz);
}
+static void notify_hard_min_dcfclk_to_smu(
+ struct pp_smu_funcs_rv *pp_smu, int min_dcf_clk_khz)
+{
+ int min_dcf_clk_mhz; //minimum required DCF clock in mhz
+
+ /*
+ * if function pointer not set up, this message is
+ * sent as part of pplib_apply_display_requirements.
+ * So just return.
+ */
+ if (!pp_smu || !pp_smu->set_hard_min_dcfclk_by_freq)
+ return;
+
+ min_dcf_clk_mhz = min_dcf_clk_khz / 1000;
+
+ pp_smu->set_hard_min_dcfclk_by_freq(&pp_smu->pp_smu, min_dcf_clk_mhz);
+}
+
static void dcn1_update_clocks(struct dccg *dccg,
struct dc_state *context,
bool safe_to_lower)
@@ -225,6 +243,7 @@ static void dcn1_update_clocks(struct dccg *dccg,
send_request_to_lower = true;
}
+ // F Clock
if (should_set_clock(safe_to_lower, new_clocks->fclk_khz, dccg->clks.fclk_khz)) {
dccg->clks.fclk_khz = new_clocks->fclk_khz;
clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_FCLK;
@@ -235,6 +254,7 @@ static void dcn1_update_clocks(struct dccg *dccg,
send_request_to_lower = true;
}
+ //DCF Clock
if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, dccg->clks.dcfclk_khz)) {
dccg->clks.dcfclk_khz = new_clocks->dcfclk_khz;
smu_req.hard_min_dcefclk_khz = new_clocks->dcfclk_khz;
@@ -257,7 +277,9 @@ static void dcn1_update_clocks(struct dccg *dccg,
/*use dcfclk to request voltage*/
clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK;
clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks);
- dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req);
+
+ notify_hard_min_dcfclk_to_smu(pp_smu, clock_voltage_req.clocks_in_khz);
+
if (pp_smu->set_display_requirement)
pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req);
@@ -279,7 +301,9 @@ static void dcn1_update_clocks(struct dccg *dccg,
/*use dcfclk to request voltage*/
clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK;
clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks);
- dm_pp_apply_clock_for_voltage_request(dccg->ctx, &clock_voltage_req);
+
+ notify_hard_min_dcfclk_to_smu(pp_smu, clock_voltage_req.clocks_in_khz);
+
if (pp_smu->set_display_requirement)
pp_smu->set_display_requirement(&pp_smu->pp_smu, &smu_req);
diff --git a/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h b/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h
index f2ea8452d48f..e95502942e8c 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h
@@ -109,7 +109,7 @@ struct pp_smu_funcs_rv {
/* PPSMC_MSG_SetHardMinDcfclkByFreq
* fixed clock at requested freq, either from FCH bypass or DFS
*/
- void (*set_hard_min_dcfclk_by_freq)(struct pp_smu *pp, int khz);
+ void (*set_hard_min_dcfclk_by_freq)(struct pp_smu *pp, int mhz);
/* PPSMC_MSG_SetMinDeepSleepDcfclk
* when DF is in cstate, dcf clock is further divided down
@@ -120,12 +120,12 @@ struct pp_smu_funcs_rv {
/* PPSMC_MSG_SetHardMinFclkByFreq
* FCLK will vary with DPM, but never below requested hard min
*/
- void (*set_hard_min_fclk_by_freq)(struct pp_smu *pp, int khz);
+ void (*set_hard_min_fclk_by_freq)(struct pp_smu *pp, int mhz);
/* PPSMC_MSG_SetHardMinSocclkByFreq
* Needed for DWB support
*/
- void (*set_hard_min_socclk_by_freq)(struct pp_smu *pp, int khz);
+ void (*set_hard_min_socclk_by_freq)(struct pp_smu *pp, int mhz);
/* PME w/a */
void (*set_pme_wa_enable)(struct pp_smu *pp);