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author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-08-21 20:30:29 +0300 |
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committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-08-23 21:36:00 +0300 |
commit | d06a79d33e0f97373a29decb66791758a6d2e968 (patch) | |
tree | 2794d59feeb1efc431c2e8d73d1cc86ea6a686a0 /drivers/gpu/drm/i915/intel_pm.c | |
parent | 100f5f7fbc3e23f58511a11a3751dfacf1ccb5a7 (diff) | |
download | linux-stable-d06a79d33e0f97373a29decb66791758a6d2e968.tar.gz linux-stable-d06a79d33e0f97373a29decb66791758a6d2e968.tar.bz2 linux-stable-d06a79d33e0f97373a29decb66791758a6d2e968.zip |
drm/i915: Use enum pipe instead of crtc index to track active pipes
We may need to eliminate the crtc->index == pipe assumptions from
the code to support arbitrary pipes being fused off. Start that by
switching some bitmasks over to using pipe instead of the crtc index.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190821173033.24123-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d3ea193cd093..09f29a337313 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3761,18 +3761,18 @@ bool intel_can_enable_sagv(struct intel_atomic_state *state) /* * If there are no active CRTCs, no additional checks need be performed */ - if (hweight32(state->active_crtcs) == 0) + if (hweight32(state->active_pipes) == 0) return true; /* * SKL+ workaround: bspec recommends we disable SAGV when we have * more then one pipe enabled */ - if (hweight32(state->active_crtcs) > 1) + if (hweight32(state->active_pipes) > 1) return false; /* Since we're now guaranteed to only have one active CRTC... */ - pipe = ffs(state->active_crtcs) - 1; + pipe = ffs(state->active_pipes) - 1; crtc = intel_get_crtc_for_pipe(dev_priv, pipe); crtc_state = to_intel_crtc_state(crtc->base.state); @@ -3867,14 +3867,14 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv, if (WARN_ON(!state) || !crtc_state->base.active) { alloc->start = 0; alloc->end = 0; - *num_active = hweight32(dev_priv->active_crtcs); + *num_active = hweight32(dev_priv->active_pipes); return; } if (intel_state->active_pipe_changes) - *num_active = hweight32(intel_state->active_crtcs); + *num_active = hweight32(intel_state->active_pipes); else - *num_active = hweight32(dev_priv->active_crtcs); + *num_active = hweight32(dev_priv->active_pipes); ddb_size = intel_get_ddb_size(dev_priv, crtc_state, total_data_rate, *num_active, ddb); @@ -5464,7 +5464,7 @@ skl_ddb_add_affected_pipes(struct intel_atomic_state *state, bool *changed) * If this transaction isn't actually touching any CRTC's, don't * bother with watermark calculation. Note that if we pass this * test, we're guaranteed to hold at least one CRTC state mutex, - * which means we can safely use values like dev_priv->active_crtcs + * which means we can safely use values like dev_priv->active_pipes * since any racing commits that want to update them would need to * hold _all_ CRTC state mutexes. */ @@ -5489,13 +5489,13 @@ skl_ddb_add_affected_pipes(struct intel_atomic_state *state, bool *changed) state->active_pipe_changes = ~0; /* - * We usually only initialize state->active_crtcs if we + * We usually only initialize state->active_pipes if we * we're doing a modeset; make sure this field is always * initialized during the sanitization process that happens * on the first commit too. */ if (!state->modeset) - state->active_crtcs = dev_priv->active_crtcs; + state->active_pipes = dev_priv->active_pipes; } /* @@ -5811,7 +5811,7 @@ void skl_wm_get_hw_state(struct drm_i915_private *dev_priv) hw->dirty_pipes |= drm_crtc_mask(&crtc->base); } - if (dev_priv->active_crtcs) { + if (dev_priv->active_pipes) { /* Fully recompute DDB on first atomic commit */ dev_priv->wm.distrust_bios_wm = true; } |