diff options
| author |   Alex Deucher <alexander.deucher@amd.com> | 2013-09-06 12:33:04 -0400 |
|---|---|---|
| committer |   Christian König <christian.koenig@amd.com> | 2014-02-18 16:11:46 +0100 |
| commit | a1d6f97c8cfa7c3554d0391c0b16505d1d97f380 (patch) | |
| tree | b99fc950e38a90fc25d9ccc066dd477c79699798 /drivers/gpu/drm/radeon/ci_dpm.c | |
| parent | drm/radeon: add support for vce 2.0 clock gating (diff) | |
| download | linux-dev-a1d6f97c8cfa7c3554d0391c0b16505d1d97f380.tar.xz linux-dev-a1d6f97c8cfa7c3554d0391c0b16505d1d97f380.zip | |
drm/radeon/cik: enable/disable vce cg when encoding v2
Some of the vce clocks are automatic, others need to
be manually enabled. For ease, just disable cg when
vce is active.
v2: rebased
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 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 6669d3252f57..cad89a977527 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -172,6 +172,8 @@ extern void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev, extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev); extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev); extern int ci_mc_load_microcode(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, @@ -3627,8 +3629,10 @@ static int ci_update_vce_dpm(struct radeon_device *rdev, if (radeon_current_state->evclk != radeon_new_state->evclk) { if (radeon_new_state->evclk) { - pi->smc_state_table.VceBootLevel = ci_get_vce_boot_level(rdev); + /* turn the clocks on when encoding */ + cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false); + pi->smc_state_table.VceBootLevel = ci_get_vce_boot_level(rdev); tmp = RREG32_SMC(DPM_TABLE_475); tmp &= ~VceBootLevel_MASK; tmp |= VceBootLevel(pi->smc_state_table.VceBootLevel); @@ -3636,6 +3640,9 @@ static int ci_update_vce_dpm(struct radeon_device *rdev, ret = ci_enable_vce_dpm(rdev, true); } else { + /* turn the clocks off when not encoding */ + cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true); + ret = ci_enable_vce_dpm(rdev, false); } } |