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authorAlex Deucher <alexander.deucher@amd.com>2014-08-14 07:22:31 +0200
committerAlex Deucher <alexander.deucher@amd.com>2014-08-15 06:58:19 +0200
commitc83dec3bb6c38629398b65c231c80978b3e00e14 (patch)
tree1ef02c86b39c6f73f377b54fdeb8796049bc209e /drivers
parentdrm/radeon: Add ability to get and change dpm state when radeon PX card is tu... (diff)
downloadlinux-c83dec3bb6c38629398b65c231c80978b3e00e14.tar.xz
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
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/kv_dpm.c6
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 +