From: Alex Deucher alexander.deucher@amd.com
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/sumo_dpm.c | 55 +++++++++++++++++++++++++++++++++++++ drivers/gpu/drm/radeon/sumod.h | 10 +++++++ 2 files changed, 65 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index f103880..cef25c4 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -811,6 +811,40 @@ static void sumo_program_bootup_state(struct radeon_device *rdev) sumo_power_level_enable(rdev, i, false); }
+static void sumo_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev) +{ + struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps); + struct sumo_ps *current_ps = sumo_get_ps(rdev->pm.dpm.current_ps); + + if ((rdev->pm.dpm.requested_ps->vclk == rdev->pm.dpm.current_ps->vclk) && + (rdev->pm.dpm.requested_ps->dclk == rdev->pm.dpm.current_ps->dclk)) + return; + + if (new_ps->levels[new_ps->num_levels - 1].sclk >= + current_ps->levels[current_ps->num_levels - 1].sclk) + return; + + radeon_set_uvd_clocks(rdev, rdev->pm.dpm.requested_ps->vclk, + rdev->pm.dpm.requested_ps->dclk); +} + +static void sumo_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev) +{ + struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps); + struct sumo_ps *current_ps = sumo_get_ps(rdev->pm.dpm.current_ps); + + if ((rdev->pm.dpm.requested_ps->vclk == rdev->pm.dpm.current_ps->vclk) && + (rdev->pm.dpm.requested_ps->dclk == rdev->pm.dpm.current_ps->dclk)) + return; + + if (new_ps->levels[new_ps->num_levels - 1].sclk < + current_ps->levels[current_ps->num_levels - 1].sclk) + return; + + radeon_set_uvd_clocks(rdev, rdev->pm.dpm.requested_ps->vclk, + rdev->pm.dpm.requested_ps->dclk); +} + void sumo_take_smu_control(struct radeon_device *rdev, bool enable) { /* This bit selects who handles display phy powergating. @@ -1096,6 +1130,22 @@ static void sumo_cleanup_asic(struct radeon_device *rdev) sumo_take_smu_control(rdev, false); }
+static void sumo_uvd_init(struct radeon_device *rdev) +{ + u32 tmp; + + tmp = RREG32(CG_VCLK_CNTL); + tmp &= ~VCLK_DIR_CNTL_EN; + WREG32(CG_VCLK_CNTL, tmp); + + tmp = RREG32(CG_DCLK_CNTL); + tmp &= ~DCLK_DIR_CNTL_EN; + WREG32(CG_DCLK_CNTL, tmp); + + /* 100 Mhz */ + radeon_set_uvd_clocks(rdev, 10000, 10000); +} + static int sumo_set_thermal_temperature_range(struct radeon_device *rdev, int min_temp, int max_temp) { @@ -1188,6 +1238,8 @@ int sumo_dpm_set_power_state(struct radeon_device *rdev)
if (pi->enable_dynamic_patch_ps) sumo_apply_state_adjust_rules(rdev); + if (pi->enable_dpm) + sumo_set_uvd_clock_before_set_eng_clock(rdev); sumo_update_current_power_levels(rdev); if (pi->enable_boost) { sumo_enable_boost(rdev, false); @@ -1211,6 +1263,8 @@ int sumo_dpm_set_power_state(struct radeon_device *rdev) } if (pi->enable_boost) sumo_enable_boost(rdev, true); + if (pi->enable_dpm) + sumo_set_uvd_clock_after_set_eng_clock(rdev);
return 0; } @@ -1237,6 +1291,7 @@ void sumo_dpm_setup_asic(struct radeon_device *rdev) sumo_program_acpi_power_level(rdev); sumo_enable_acpi_pm(rdev); sumo_take_smu_control(rdev, true); + sumo_uvd_init(rdev); }
void sumo_dpm_display_configuration_changed(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/sumod.h b/drivers/gpu/drm/radeon/sumod.h index a5deba6..7c9c2d4 100644 --- a/drivers/gpu/drm/radeon/sumod.h +++ b/drivers/gpu/drm/radeon/sumod.h @@ -136,6 +136,16 @@ #define CG_SCLK_STATUS 0x604 # define SCLK_OVERCLK_DETECT (1 << 2)
+#define CG_DCLK_CNTL 0x610 +# define DCLK_DIVIDER_MASK 0x7f +# define DCLK_DIR_CNTL_EN (1 << 8) +#define CG_DCLK_STATUS 0x614 +# define DCLK_STATUS (1 << 0) +#define CG_VCLK_CNTL 0x618 +# define VCLK_DIVIDER_MASK 0x7f +# define VCLK_DIR_CNTL_EN (1 << 8) +#define CG_VCLK_STATUS 0x61c + #define GENERAL_PWRMGT 0x63c # define STATIC_PM_EN (1 << 1)