diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-14 17:55:53 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 20:30:57 (GMT) |
| commit | cf0ab2cd450357bd430c6799aed18a427a8420f6 (patch) | |
| tree | 5a8596b8b7a0add613501bd8fbcca217553e8be8 /drivers/gpu/drm/radeon/ci_dpm.c | |
| parent | a0f38609c9870fe0e3d5c10b1e6926a5750d0a7a (diff) | |
| download | linux-fsl-qoriq-cf0ab2cd450357bd430c6799aed18a427a8420f6.tar.xz | |
drm/radeon: handle cg in CI dpm code
Clockgating needs to be disabled around certain parts
of dpm setup otherwise the smc gets into a bad state
and dpm doesn't work properly.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ci_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ci_dpm.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index e4d9d50..af04b5c 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -155,6 +155,8 @@ extern void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev, struct atom_voltage_table *voltage_table); extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev); extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev); +extern void cik_update_cg(struct radeon_device *rdev, + u32 block, bool enable); static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev, struct atom_voltage_table_entry *voltage_table, @@ -4492,6 +4494,13 @@ int ci_dpm_enable(struct radeon_device *rdev) struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; int ret; + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), false); + if (ci_is_smc_running(rdev)) return -EINVAL; if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE) { @@ -4611,6 +4620,13 @@ int ci_dpm_enable(struct radeon_device *rdev) ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), true); + ci_update_current_ps(rdev, boot_ps); return 0; @@ -4621,6 +4637,12 @@ void ci_dpm_disable(struct radeon_device *rdev) struct ci_power_info *pi = ci_get_pi(rdev); struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), false); + if (!ci_is_smc_running(rdev)) return; @@ -4649,6 +4671,13 @@ int ci_dpm_set_power_state(struct radeon_device *rdev) struct radeon_ps *old_ps = &pi->current_rps; int ret; + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), false); + ci_find_dpm_states_clocks_in_dpm_table(rdev, new_ps); if (pi->pcie_performance_request) ci_request_link_speed_change_before_state_change(rdev, new_ps, old_ps); @@ -4710,6 +4739,13 @@ int ci_dpm_set_power_state(struct radeon_device *rdev) return ret; } + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), true); + return 0; } |