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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-14 23:55:46 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 20:30:57 (GMT) |
| commit | 6500fc0c9fd9a0c3cde1b498541a259d1ba078ba (patch) | |
| tree | b6c81ef84f0e883bc5d0bdd0f66ace2e512aad98 /drivers/gpu/drm/radeon | |
| parent | cf0ab2cd450357bd430c6799aed18a427a8420f6 (diff) | |
| download | linux-6500fc0c9fd9a0c3cde1b498541a259d1ba078ba.tar.xz | |
drm/radeon: handle cg in KB/KV dpm code
Clockgating needs to be disabled around certain parts
of dpm setup otherwise the smc gets into a bad state
and dpm doesn't work properly.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/kv_dpm.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index ef6c9016..7c7108f6 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -1105,6 +1105,11 @@ int kv_dpm_enable(struct radeon_device *rdev) struct kv_power_info *pi = kv_get_pi(rdev); int ret; + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_HDP), false); + ret = kv_process_firmware_header(rdev); if (ret) { DRM_ERROR("kv_process_firmware_header failed\n"); @@ -1204,6 +1209,11 @@ int kv_dpm_enable(struct radeon_device *rdev) kv_dpm_powergate_vce(rdev, true); kv_dpm_powergate_uvd(rdev, true); + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_HDP), true); + kv_update_current_ps(rdev, rdev->pm.dpm.boot_ps); return ret; @@ -1211,6 +1221,11 @@ int kv_dpm_enable(struct radeon_device *rdev) void kv_dpm_disable(struct radeon_device *rdev) { + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_HDP), false); + kv_enable_smc_cac(rdev, false); kv_enable_didt(rdev, false); kv_clear_vc(rdev); @@ -1695,6 +1710,11 @@ int kv_dpm_set_power_state(struct radeon_device *rdev) /*struct radeon_ps *old_ps = &pi->current_rps;*/ int ret; + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_HDP), false); + if (rdev->family == CHIP_KABINI) { if (pi->enable_dpm) { kv_set_valid_clock_range(rdev, new_ps); @@ -1750,6 +1770,12 @@ int kv_dpm_set_power_state(struct radeon_device *rdev) kv_enable_nb_dpm(rdev); } } + + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_HDP), true); + rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO; return 0; } |