From: Alex Deucher alexander.deucher@amd.com
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 --- drivers/gpu/drm/radeon/ci_dpm.c | 9 ++++++++- drivers/gpu/drm/radeon/cik.c | 5 +++++ drivers/gpu/drm/radeon/kv_dpm.c | 4 ++++ 3 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 6669d32..cad89a9 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); } } diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index ecb16b1..2b31c32 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -75,6 +75,7 @@ extern void si_init_uvd_internal_cg(struct radeon_device *rdev); extern int cik_sdma_resume(struct radeon_device *rdev); extern void cik_sdma_enable(struct radeon_device *rdev, bool enable); extern void cik_sdma_fini(struct radeon_device *rdev); +extern void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool enable); static void cik_rlc_stop(struct radeon_device *rdev); static void cik_pcie_gen3_enable(struct radeon_device *rdev); static void cik_program_aspm(struct radeon_device *rdev); @@ -6141,6 +6142,10 @@ void cik_update_cg(struct radeon_device *rdev, cik_enable_hdp_mgcg(rdev, enable); cik_enable_hdp_ls(rdev, enable); } + + if (block & RADEON_CG_BLOCK_VCE) { + vce_v2_0_enable_mgcg(rdev, enable); + } }
static void cik_init_cg(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index 035acc4..19c5e6a 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -1412,6 +1412,8 @@ static int kv_update_vce_dpm(struct radeon_device *rdev,
if (radeon_new_state->evclk > 0 && radeon_current_state->evclk == 0) { kv_dpm_powergate_vce(rdev, false); + /* turn the clocks on when encoding */ + cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false); if (pi->caps_stable_p_state) pi->vce_boot_level = table->count - 1; else @@ -1434,6 +1436,8 @@ static int kv_update_vce_dpm(struct radeon_device *rdev, kv_enable_vce_dpm(rdev, true); } else if (radeon_new_state->evclk == 0 && radeon_current_state->evclk > 0) { kv_enable_vce_dpm(rdev, false); + /* turn the clocks off when not encoding */ + cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true); kv_dpm_powergate_vce(rdev, true); }