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path: root/drivers/gpu/drm/amd/display/dc/clk_mgr
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr')
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c14
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c2
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
index a496930b1..289918ea7 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
@@ -217,6 +217,16 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base)
if (clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz > 1950)
clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz = 1950;
+ /* DPPCLK */
+ dcn32_init_single_clock(clk_mgr, PPCLK_DPPCLK,
+ &clk_mgr_base->bw_params->clk_table.entries[0].dppclk_mhz,
+ &num_entries_per_clk->num_dppclk_levels);
+ num_levels = num_entries_per_clk->num_dppclk_levels;
+ clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DPPCLK);
+ //HW recommends limit of 1950 MHz in display clock for all DCN3.2.x
+ if (clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz > 1950)
+ clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz = 1950;
+
if (num_entries_per_clk->num_dcfclk_levels &&
num_entries_per_clk->num_dtbclk_levels &&
num_entries_per_clk->num_dispclk_levels)
@@ -241,6 +251,10 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base)
= khz_to_mhz_ceil(clk_mgr_base->ctx->dc->debug.min_dpp_clk_khz);
}
+ for (i = 0; i < num_levels; i++)
+ if (clk_mgr_base->bw_params->clk_table.entries[i].dppclk_mhz > 1950)
+ clk_mgr_base->bw_params->clk_table.entries[i].dppclk_mhz = 1950;
+
/* Get UCLK, update bounding box */
clk_mgr_base->funcs->get_memclk_states_from_smu(clk_mgr_base);
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index 54df6cac1..353d5fb9e 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -705,7 +705,7 @@ static void dcn35_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk
clock_table->NumFclkLevelsEnabled;
max_fclk = find_max_clk_value(clock_table->FclkClocks_Freq, num_fclk);
- num_dcfclk = (clock_table->NumFclkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS :
+ num_dcfclk = (clock_table->NumDcfClkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS :
clock_table->NumDcfClkLevelsEnabled;
for (i = 0; i < num_dcfclk; i++) {
int j;