diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/si_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si_dpm.c | 65 |
1 files changed, 55 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 6918f07..73aaa2e 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -28,6 +28,7 @@ #include "si_dpm.h" #include "atom.h" #include <linux/math64.h> +#include <linux/seq_file.h> #define MC_CG_ARB_FREQ_F0 0x0a #define MC_CG_ARB_FREQ_F1 0x0b @@ -2905,7 +2906,8 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, u16 vddc, vddci; int i; - if (rdev->pm.dpm.new_active_crtc_count > 1) + if ((rdev->pm.dpm.new_active_crtc_count > 1) || + ni_dpm_vblank_too_short(rdev)) disable_mclk_switching = true; else disable_mclk_switching = false; @@ -3230,16 +3232,38 @@ static int si_restrict_performance_levels_before_switch(struct radeon_device *rd 0 : -EINVAL; } -#if 0 -static int si_unrestrict_performance_levels_after_switch(struct radeon_device *rdev) +int si_dpm_force_performance_level(struct radeon_device *rdev, + enum radeon_dpm_forced_level level) { - if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK) - return -EINVAL; + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct ni_ps *ps = ni_get_ps(rps); + u32 levels; - return (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) == PPSMC_Result_OK) ? - 0 : -EINVAL; + if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK) + return -EINVAL; + + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK) + return -EINVAL; + } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) { + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK) + return -EINVAL; + + levels = ps->performance_level_count - 1; + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK) + return -EINVAL; + } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) { + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK) + return -EINVAL; + + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK) + return -EINVAL; + } + + rdev->pm.dpm.forced_level = level; + + return 0; } -#endif static int si_set_boot_state(struct radeon_device *rdev) { @@ -5991,11 +6015,13 @@ int si_dpm_set_power_state(struct radeon_device *rdev) #if 0 /* XXX */ - ret = si_unrestrict_performance_levels_after_switch(rdev); + ret = si_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO); if (ret) { - DRM_ERROR("si_unrestrict_performance_levels_after_switch failed\n"); + DRM_ERROR("si_dpm_force_performance_level failed\n"); return ret; } +#else + rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO; #endif return 0; @@ -6385,3 +6411,22 @@ void si_dpm_fini(struct radeon_device *rdev) r600_free_extended_power_table(rdev); } +void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct ni_ps *ps = ni_get_ps(rps); + struct rv7xx_pl *pl; + u32 current_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >> + CURRENT_STATE_INDEX_SHIFT; + + if (current_index >= ps->performance_level_count) { + seq_printf(m, "invalid dpm profile %d\n", current_index); + } else { + pl = &ps->performance_levels[current_index]; + seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); + seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u pcie gen: %u\n", + current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1); + } +} |