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drm/radeon/kms/pm: add asic specific callbacks for setting power state (v2)

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(v2) Add evergreen vbl checks

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-04-22 13:38:05 -04:00
committed by Dave Airlie
parent 03214bd5c6
commit bae6b56273
8 changed files with 148 additions and 49 deletions
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37
drivers/gpu/drm/radeon/r100.c
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@@ -67,6 +67,43 @@ MODULE_FIRMWARE(FIRMWARE_R520);
* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
*/
void r100_set_power_state(struct radeon_device *rdev)
{
/* if *_clock_mode are the same, *_power_state are as well */
if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
return;
DRM_INFO("Setting: e: %d m: %d p: %d\n",
rdev->pm.requested_clock_mode->sclk,
rdev->pm.requested_clock_mode->mclk,
rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
/* set pcie lanes */
/* TODO */
/* set voltage */
/* TODO */
/* set engine clock */
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
radeon_pm_debug_check_in_vbl(rdev, true);
#if 0
/* set memory clock */
if (rdev->asic->set_memory_clock) {
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
radeon_pm_debug_check_in_vbl(rdev, true);
}
#endif
rdev->pm.current_power_state = rdev->pm.requested_power_state;
rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
}
bool r100_gui_idle(struct radeon_device *rdev)
{
if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)