diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2013-05-02 15:30:47 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-05-03 18:23:26 +0200 |
| commit | 2b87f3b1bab1df814057ff551f4fc49c22a7fde9 (patch) | |
| tree | 3304c824c0286bfb7b6a9861f972c846a44d0b6e | |
| parent | 168f83660211b9e059e3bc0638daaa01e9ea0b71 (diff) | |
drm/i915: fix Haswell pfit power well check v2drm-intel-next-2013-05-03
We can't read the pfit regs if the power well is off, so use the cached
value.
v2: re-add lost comment (Jesse)
make sure the crtc using the fitter is actually enabled (Jesse)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Drop now unused dev_priv, as spotted by Mika.]
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 65043379081..de8be7595a6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5906,7 +5906,6 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, static void haswell_modeset_global_resources(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; bool enable = false; struct intel_crtc *crtc; struct intel_encoder *encoder; @@ -5918,7 +5917,7 @@ static void haswell_modeset_global_resources(struct drm_device *dev) * sequence that's not yet available. Just in case desktop eDP * on PORT D is possible on haswell, too. */ /* Even the eDP panel fitter is outside the always-on well. */ - if (I915_READ(PF_WIN_SZ(crtc->pipe))) + if (crtc->config.pch_pfit.size && crtc->base.enabled) enable = true; } |