diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-11-05 20:14:46 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-11-06 16:41:05 +0300 |
| commit | 1e460bf9eaa59047183689ac28a772147eb747c9 (patch) | |
| tree | 8acd2dd977ed064cd72879640c79056edb5f57c0 /drivers/gpu/drm/i915/display | |
| parent | bee0a70a9eab27061dd0346dd0df09e6c2e8caa2 (diff) | |
| download | linux-1e460bf9eaa59047183689ac28a772147eb747c9.tar.xz | |
drm/i915: Frob the correct crtc state in intel_crtc_disable_noatomic()
The uapi vs. hw state split introduced a bug in
intel_crtc_disable_noatomic() where it's now frobbing an already
freed temp crtc state instead of adjusting the crtc state we
are really left with. Fix that by making a cleaner separation
beteen the two.
This causes explosions on any machine that boots up with pipes
already running but not hooked up to any encoder (typical
behaviour for gen2-4 VBIOS).
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 58d124ea2739 ("drm/i915: Complete crtc hw/uapi split, v6.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191105171447.22111-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 876fc25968bf..1f93860fb897 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7191,11 +7191,13 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc, struct drm_i915_private *dev_priv = to_i915(crtc->dev); struct intel_bw_state *bw_state = to_intel_bw_state(dev_priv->bw_obj.state); + struct intel_crtc_state *crtc_state = + to_intel_crtc_state(crtc->state); enum intel_display_power_domain domain; struct intel_plane *plane; u64 domains; struct drm_atomic_state *state; - struct intel_crtc_state *crtc_state; + struct intel_crtc_state *temp_crtc_state; int ret; if (!intel_crtc->active) @@ -7219,12 +7221,12 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc, state->acquire_ctx = ctx; /* Everything's already locked, -EDEADLK can't happen. */ - crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); + temp_crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); ret = drm_atomic_add_affected_connectors(state, crtc); - WARN_ON(IS_ERR(crtc_state) || ret); + WARN_ON(IS_ERR(temp_crtc_state) || ret); - dev_priv->display.crtc_disable(crtc_state, to_intel_atomic_state(state)); + dev_priv->display.crtc_disable(temp_crtc_state, to_intel_atomic_state(state)); drm_atomic_state_put(state); |