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path: root/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
new file mode 100644
index 000000000000..ad7700822a1c
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
@@ -0,0 +1,252 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "hwmgr.h"
+#include "cz_clockpowergating.h"
+#include "cz_ppsmc.h"
+
+/* PhyID -> Status Mapping in DDI_PHY_GEN_STATUS
+ 0 GFX0L (3:0), (27:24),
+ 1 GFX0H (7:4), (31:28),
+ 2 GFX1L (3:0), (19:16),
+ 3 GFX1H (7:4), (23:20),
+ 4 DDIL (3:0), (11: 8),
+ 5 DDIH (7:4), (15:12),
+ 6 DDI2L (3:0), ( 3: 0),
+ 7 DDI2H (7:4), ( 7: 4),
+*/
+#define DDI_PHY_GEN_STATUS_VAL(phyID) (1 << ((3 - ((phyID & 0x07)/2))*8 + (phyID & 0x01)*4))
+#define IS_PHY_ID_USED_BY_PLL(PhyID) (((0xF3 & (1 << PhyID)) & 0xFF) ? true : false)
+
+
+int cz_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating)
+{
+ int ret = 0;
+
+ switch (block) {
+ case PHM_AsicBlock_UVD_MVC:
+ case PHM_AsicBlock_UVD:
+ case PHM_AsicBlock_UVD_HD:
+ case PHM_AsicBlock_UVD_SD:
+ if (gating == PHM_ClockGateSetting_StaticOff)
+ ret = cz_dpm_powerdown_uvd(hwmgr);
+ else
+ ret = cz_dpm_powerup_uvd(hwmgr);
+ break;
+ case PHM_AsicBlock_GFX:
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+
+bool cz_phm_is_safe_for_asic_block(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, enum PHM_AsicBlock block)
+{
+ return true;
+}
+
+
+int cz_phm_enable_disable_gfx_power_gating(struct pp_hwmgr *hwmgr, bool enable)
+{
+ return 0;
+}
+
+int cz_phm_smu_power_up_down_pcie(struct pp_hwmgr *hwmgr, uint32_t target, bool up, uint32_t args)
+{
+ /* TODO */
+ return 0;
+}
+
+int cz_phm_initialize_display_phy_access(struct pp_hwmgr *hwmgr, bool initialize, bool accesshw)
+{
+ /* TODO */
+ return 0;
+}
+
+int cz_phm_get_display_phy_access_info(struct pp_hwmgr *hwmgr)
+{
+ /* TODO */
+ return 0;
+}
+
+int cz_phm_gate_unused_display_phys(struct pp_hwmgr *hwmgr)
+{
+ /* TODO */
+ return 0;
+}
+
+int cz_phm_ungate_all_display_phys(struct pp_hwmgr *hwmgr)
+{
+ /* TODO */
+ return 0;
+}
+
+static int cz_tf_uvd_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result)
+{
+ return 0;
+}
+
+static int cz_tf_vce_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result)
+{
+ return 0;
+}
+
+int cz_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+ struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+ uint32_t dpm_features = 0;
+
+ if (enable &&
+ phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_UVDDPM)) {
+ cz_hwmgr->dpm_flags |= DPMFlags_UVD_Enabled;
+ dpm_features |= UVD_DPM_MASK;
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
+ } else {
+ dpm_features |= UVD_DPM_MASK;
+ cz_hwmgr->dpm_flags &= ~DPMFlags_UVD_Enabled;
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
+ }
+ return 0;
+}
+
+int cz_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+ struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+ uint32_t dpm_features = 0;
+
+ if (enable && phm_cap_enabled(
+ hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_VCEDPM)) {
+ cz_hwmgr->dpm_flags |= DPMFlags_VCE_Enabled;
+ dpm_features |= VCE_DPM_MASK;
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
+ } else {
+ dpm_features |= VCE_DPM_MASK;
+ cz_hwmgr->dpm_flags &= ~DPMFlags_VCE_Enabled;
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
+ }
+
+ return 0;
+}
+
+
+int cz_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
+{
+ struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+
+ if (cz_hwmgr->uvd_power_gated == bgate)
+ return 0;
+
+ cz_hwmgr->uvd_power_gated = bgate;
+
+ if (bgate) {
+ cgs_set_clockgating_state(hwmgr->device,
+ AMD_IP_BLOCK_TYPE_UVD,
+ AMD_CG_STATE_UNGATE);
+ cgs_set_powergating_state(hwmgr->device,
+ AMD_IP_BLOCK_TYPE_UVD,
+ AMD_PG_STATE_GATE);
+ cz_dpm_update_uvd_dpm(hwmgr, true);
+ cz_dpm_powerdown_uvd(hwmgr);
+ } else {
+ cz_dpm_powerup_uvd(hwmgr);
+ cgs_set_clockgating_state(hwmgr->device,
+ AMD_IP_BLOCK_TYPE_UVD,
+ AMD_PG_STATE_GATE);
+ cgs_set_powergating_state(hwmgr->device,
+ AMD_IP_BLOCK_TYPE_UVD,
+ AMD_CG_STATE_UNGATE);
+ cz_dpm_update_uvd_dpm(hwmgr, false);
+ }
+
+ return 0;
+}
+
+int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
+{
+ struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_VCEPowerGating)) {
+ if (cz_hwmgr->vce_power_gated != bgate) {
+ if (bgate) {
+ cgs_set_clockgating_state(
+ hwmgr->device,
+ AMD_IP_BLOCK_TYPE_VCE,
+ AMD_CG_STATE_UNGATE);
+ cgs_set_powergating_state(
+ hwmgr->device,
+ AMD_IP_BLOCK_TYPE_VCE,
+ AMD_PG_STATE_GATE);
+ cz_enable_disable_vce_dpm(hwmgr, false);
+ /* TODO: to figure out why vce can't be poweroff*/
+ cz_hwmgr->vce_power_gated = true;
+ } else {
+ cz_dpm_powerup_vce(hwmgr);
+ cz_hwmgr->vce_power_gated = false;
+ cgs_set_clockgating_state(
+ hwmgr->device,
+ AMD_IP_BLOCK_TYPE_VCE,
+ AMD_PG_STATE_GATE);
+ cgs_set_powergating_state(
+ hwmgr->device,
+ AMD_IP_BLOCK_TYPE_VCE,
+ AMD_CG_STATE_UNGATE);
+ cz_dpm_update_vce_dpm(hwmgr);
+ cz_enable_disable_vce_dpm(hwmgr, true);
+ return 0;
+ }
+ }
+ } else {
+ cz_dpm_update_vce_dpm(hwmgr);
+ cz_enable_disable_vce_dpm(hwmgr, true);
+ return 0;
+ }
+
+ if (!cz_hwmgr->vce_power_gated)
+ cz_dpm_update_vce_dpm(hwmgr);
+
+ return 0;
+}
+
+
+static struct phm_master_table_item cz_enable_clock_power_gatings_list[] = {
+ /*we don't need an exit table here, because there is only D3 cold on Kv*/
+ { phm_cf_want_uvd_power_gating, cz_tf_uvd_power_gating_initialize },
+ { phm_cf_want_vce_power_gating, cz_tf_vce_power_gating_initialize },
+ /* to do { NULL, cz_tf_xdma_power_gating_enable }, */
+ { NULL, NULL }
+};
+
+struct phm_master_table_header cz_phm_enable_clock_power_gatings_master = {
+ 0,
+ PHM_MasterTableFlag_None,
+ cz_enable_clock_power_gatings_list
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 16:03:03 +0000