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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-08-14 01:22:31 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-08-15 00:58:19 -0400 |
| commit | c83dec3bb6c38629398b65c231c80978b3e00e14 (patch) | |
| tree | 1ef02c86b39c6f73f377b54fdeb8796049bc209e | |
| parent | b07a657e3a05b81c8a30d60e3f3746ca5a48ee62 (diff) | |
| download | linux-c83dec3bb6c38629398b65c231c80978b3e00e14.tar.gz linux-c83dec3bb6c38629398b65c231c80978b3e00e14.tar.bz2 linux-c83dec3bb6c38629398b65c231c80978b3e00e14.zip | |
drm/radeon/dpm: select the appropriate vce power state for KV/KB/ML
Compare the clock in the limits table to the requested evclk rather
than just taking the first value. Improves vce performance in certain
cases.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/gpu/drm/radeon/kv_dpm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index c667d83bfa25..8b58e11b64fa 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -1438,14 +1438,14 @@ static int kv_update_uvd_dpm(struct radeon_device *rdev, bool gate) return kv_enable_uvd_dpm(rdev, !gate); } -static u8 kv_get_vce_boot_level(struct radeon_device *rdev) +static u8 kv_get_vce_boot_level(struct radeon_device *rdev, u32 evclk) { u8 i; struct radeon_vce_clock_voltage_dependency_table *table = &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; for (i = 0; i < table->count; i++) { - if (table->entries[i].evclk >= 0) /* XXX */ + if (table->entries[i].evclk >= evclk) break; } @@ -1468,7 +1468,7 @@ static int kv_update_vce_dpm(struct radeon_device *rdev, if (pi->caps_stable_p_state) pi->vce_boot_level = table->count - 1; else - pi->vce_boot_level = kv_get_vce_boot_level(rdev); + pi->vce_boot_level = kv_get_vce_boot_level(rdev, radeon_new_state->evclk); ret = kv_copy_bytes_to_smc(rdev, pi->dpm_table_start + |