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path: root/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c73
1 files changed, 33 insertions, 40 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index bd9fd0b54f46..0c6a4ab72b1d 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -705,6 +705,7 @@ void rn_clk_mgr_construct(
struct dpm_clocks clock_table = { 0 };
enum pp_smu_status status = 0;
int is_green_sardine = 0;
+ struct clk_log_info log_info = {0};
#if defined(CONFIG_DRM_AMD_DC_FP)
is_green_sardine = ASICREV_IS_GREEN_SARDINE(ctx->asic_id.hw_internal_rev);
@@ -725,48 +726,41 @@ void rn_clk_mgr_construct(
clk_mgr->smu_ver = rn_vbios_smu_get_smu_version(clk_mgr);
- if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
- dcn21_funcs.update_clocks = dcn2_update_clocks_fpga;
+ clk_mgr->periodic_retraining_disabled = rn_vbios_smu_is_periodic_retraining_disabled(clk_mgr);
+
+ /* SMU Version 55.51.0 and up no longer have an issue
+ * that needs to limit minimum dispclk */
+ if (clk_mgr->smu_ver >= SMU_VER_55_51_0)
+ debug->min_disp_clk_khz = 0;
+
+ /* TODO: Check we get what we expect during bringup */
+ clk_mgr->base.dentist_vco_freq_khz = get_vco_frequency_from_reg(clk_mgr);
+
+ /* in case we don't get a value from the register, use default */
+ if (clk_mgr->base.dentist_vco_freq_khz == 0)
clk_mgr->base.dentist_vco_freq_khz = 3600000;
- } else {
- struct clk_log_info log_info = {0};
-
- clk_mgr->periodic_retraining_disabled = rn_vbios_smu_is_periodic_retraining_disabled(clk_mgr);
-
- /* SMU Version 55.51.0 and up no longer have an issue
- * that needs to limit minimum dispclk */
- if (clk_mgr->smu_ver >= SMU_VER_55_51_0)
- debug->min_disp_clk_khz = 0;
-
- /* TODO: Check we get what we expect during bringup */
- clk_mgr->base.dentist_vco_freq_khz = get_vco_frequency_from_reg(clk_mgr);
-
- /* in case we don't get a value from the register, use default */
- if (clk_mgr->base.dentist_vco_freq_khz == 0)
- clk_mgr->base.dentist_vco_freq_khz = 3600000;
-
- if (ctx->dc_bios->integrated_info->memory_type == LpDdr4MemType) {
- if (clk_mgr->periodic_retraining_disabled) {
- rn_bw_params.wm_table = lpddr4_wm_table_with_disabled_ppt;
- } else {
- if (is_green_sardine)
- rn_bw_params.wm_table = lpddr4_wm_table_gs;
- else
- rn_bw_params.wm_table = lpddr4_wm_table_rn;
- }
+
+ if (ctx->dc_bios->integrated_info->memory_type == LpDdr4MemType) {
+ if (clk_mgr->periodic_retraining_disabled) {
+ rn_bw_params.wm_table = lpddr4_wm_table_with_disabled_ppt;
} else {
if (is_green_sardine)
- rn_bw_params.wm_table = ddr4_wm_table_gs;
- else {
- if (ctx->dc->config.is_single_rank_dimm)
- rn_bw_params.wm_table = ddr4_1R_wm_table_rn;
- else
- rn_bw_params.wm_table = ddr4_wm_table_rn;
- }
+ rn_bw_params.wm_table = lpddr4_wm_table_gs;
+ else
+ rn_bw_params.wm_table = lpddr4_wm_table_rn;
+ }
+ } else {
+ if (is_green_sardine)
+ rn_bw_params.wm_table = ddr4_wm_table_gs;
+ else {
+ if (ctx->dc->config.is_single_rank_dimm)
+ rn_bw_params.wm_table = ddr4_1R_wm_table_rn;
+ else
+ rn_bw_params.wm_table = ddr4_wm_table_rn;
}
- /* Saved clocks configured at boot for debug purposes */
- rn_dump_clk_registers(&clk_mgr->base.boot_snapshot, &clk_mgr->base, &log_info);
}
+ /* Saved clocks configured at boot for debug purposes */
+ rn_dump_clk_registers(&clk_mgr->base.boot_snapshot, &clk_mgr->base, &log_info);
clk_mgr->base.dprefclk_khz = 600000;
dce_clock_read_ss_info(clk_mgr);
@@ -786,9 +780,8 @@ void rn_clk_mgr_construct(
}
}
- if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment) && clk_mgr->smu_ver >= 0x00371500) {
- /* enable powerfeatures when displaycount goes to 0 */
+ /* enable powerfeatures when displaycount goes to 0 */
+ if (clk_mgr->smu_ver >= 0x00371500)
rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(clk_mgr, !debug->disable_48mhz_pwrdwn);
- }
}