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>
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 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 @@
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 @@
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);
}
}