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From 139780b3c235ec7f94b5cc22d65f7340b85027e4 Mon Sep 17 00:00:00 2001
From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Tue, 24 Nov 2015 17:00:56 -0500
Subject: [PATCH 0114/1110] drm/amd/powerplay: add display configeration
changed function in hwmgr for Fiji.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c | 66 ++++++++++++++++++++++++
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h | 2 +
2 files changed, 68 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
index b616e16..00d2e17 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
@@ -3434,6 +3434,10 @@ static int fiji_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable VR hot GPIO interrupt!", result = tmp_result);
+ tmp_result = tonga_notify_smc_display_change(hwmgr, false);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to notify no display!", result = tmp_result);
+
tmp_result = fiji_enable_sclk_control(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable SCLK control!", result = tmp_result);
@@ -4852,6 +4856,65 @@ static void fiji_print_current_perforce_level(
mclk / 100, sclk / 100);
}
+static int fiji_program_display_gap(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ uint32_t num_active_displays = 0;
+ uint32_t display_gap = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL);
+ uint32_t display_gap2;
+ uint32_t pre_vbi_time_in_us;
+ uint32_t frame_time_in_us;
+ uint32_t ref_clock;
+ uint32_t refresh_rate = 0;
+ struct cgs_display_info info = {0};
+ struct cgs_mode_info mode_info;
+
+ info.mode_info = &mode_info;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+ num_active_displays = info.display_count;
+
+ display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL,
+ DISP_GAP, (num_active_displays > 0)?
+ DISPLAY_GAP_VBLANK_OR_WM : DISPLAY_GAP_IGNORE);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_DISPLAY_GAP_CNTL, display_gap);
+
+ ref_clock = mode_info.ref_clock;
+ refresh_rate = mode_info.refresh_rate;
+
+ if (refresh_rate == 0)
+ refresh_rate = 60;
+
+ frame_time_in_us = 1000000 / refresh_rate;
+
+ pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us;
+ display_gap2 = pre_vbi_time_in_us * (ref_clock / 100);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_DISPLAY_GAP_CNTL2, display_gap2);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ data->soft_regs_start +
+ offsetof(SMU73_SoftRegisters, PreVBlankGap), 0x64);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ data->soft_regs_start +
+ offsetof(SMU73_SoftRegisters, VBlankTimeout),
+ (frame_time_in_us - pre_vbi_time_in_us));
+
+ if (num_active_displays == 1)
+ tonga_notify_smc_display_change(hwmgr, true);
+
+ return 0;
+}
+
+int fiji_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
+{
+ return fiji_program_display_gap(hwmgr);
+}
+
static const struct pp_hwmgr_func fiji_hwmgr_funcs = {
.backend_init = &fiji_hwmgr_backend_init,
.backend_fini = &tonga_hwmgr_backend_fini,
@@ -4870,6 +4933,9 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = {
.powergate_uvd = &fiji_phm_powergate_uvd,
.powergate_vce = &fiji_phm_powergate_vce,
.disable_clock_power_gating = &fiji_phm_disable_clock_power_gating,
+ .notify_smc_display_config_after_ps_adjustment =
+ &tonga_notify_smc_display_config_after_ps_adjustment,
+ .display_config_changed = &fiji_display_configuration_changed_task,
};
int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h
index cd1e88a..22e273b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h
@@ -339,6 +339,8 @@ enum Fiji_I2CLineID {
extern int tonga_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr);
extern int tonga_hwmgr_backend_fini(struct pp_hwmgr *hwmgr);
extern int tonga_get_mc_microcode_version (struct pp_hwmgr *hwmgr);
+extern int tonga_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr);
+extern int tonga_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display);
int fiji_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input);
int fiji_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate);
int fiji_update_samu_dpm(struct pp_hwmgr *hwmgr, bool bgate);
--
2.7.4
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