diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-14 17:24:08 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 16:30:51 -0400 |
| commit | 4cb0add259179ca8634fc0fddb2274534a58ff2d (patch) | |
| tree | a0bacb3b70335cafe893be2bba917faff34af10b /drivers/gpu/drm/radeon | |
| parent | 5594a558faca933f64277c2033bd724968cd3d89 (diff) | |
| download | linux-4cb0add259179ca8634fc0fddb2274534a58ff2d.tar.bz2 | |
drm/radeon: handle cg in SI 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/si_dpm.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 96d96f5df9e7..75a435f14380 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -1753,6 +1753,9 @@ static int si_calculate_sclk_params(struct radeon_device *rdev, u32 engine_clock, SISLANDS_SMC_SCLK_VALUE *sclk); +extern void si_update_cg(struct radeon_device *rdev, + u32 block, bool enable); + static struct si_power_info *si_get_pi(struct radeon_device *rdev) { struct si_power_info *pi = rdev->pm.dpm.priv; @@ -5759,6 +5762,13 @@ int si_dpm_enable(struct radeon_device *rdev) struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; int ret; + si_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), false); + if (si_is_smc_running(rdev)) return -EINVAL; if (pi->voltage_control) @@ -5878,6 +5888,13 @@ int si_dpm_enable(struct radeon_device *rdev) si_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); + si_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), true); + ni_update_current_ps(rdev, boot_ps); return 0; @@ -5888,6 +5905,13 @@ void si_dpm_disable(struct radeon_device *rdev) struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; + si_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), false); + if (!si_is_smc_running(rdev)) return; si_disable_ulv(rdev); @@ -5952,6 +5976,13 @@ int si_dpm_set_power_state(struct radeon_device *rdev) struct radeon_ps *old_ps = &eg_pi->current_rps; int ret; + si_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), false); + ret = si_disable_ulv(rdev); if (ret) { DRM_ERROR("si_disable_ulv failed\n"); @@ -6050,6 +6081,13 @@ int si_dpm_set_power_state(struct radeon_device *rdev) return ret; } + si_update_cg(rdev, (RADEON_CG_BLOCK_GFX | + RADEON_CG_BLOCK_MC | + RADEON_CG_BLOCK_SDMA | + RADEON_CG_BLOCK_BIF | + RADEON_CG_BLOCK_UVD | + RADEON_CG_BLOCK_HDP), true); + return 0; } |