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Commit c83dec3b authored by Alex Deucher's avatar Alex Deucher
Browse files

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: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent b07a657e

drivers/gpu/drm/radeon/kv_dpm.c

+3 −3
Original line number Diff line number Diff line
@@ -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 +