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drm/i915: add pipe_config->has_pch_encoder

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This is used way too often in the enable/disable paths. And will
be even more useful in the future.

Note that correct semantics of this change highly depend upon
correct updating of intel_crtc->config: Like with all other
modeset state, we need to call ->disable with the old config,
but ->mode_set and ->enable with the new config.

v2: Do not yet use the flag in the ->disable callbacks - atm we don't
yet have support for the information stored in the pipe_config in the
hw state readout code, so this will be wrong at boot-up/resume.

v3: Rebased on top of the hdmi/dp ddi encoder merging.

v4: Fixup stupid rebase error which lead to a NULL vfunc deref.

v5: On haswell the VGA port is on the PCH!

v6: s/IS_HASWELL/HAS_DDI/, spotted by Paulo Zanoni. Also add a missing
parameter name in a function declaration.

v7: Don't forget to git add ...

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter
2013-03-27 00:44:55 +01:00
parent 31fac9dca2
commit 5bfe2ac003
8 changed files with 54 additions and 62 deletions
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3
drivers/gpu/drm/i915/intel_sdvo.c
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@@ -1047,6 +1047,9 @@ static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
struct drm_display_mode *mode = &pipe_config->requested_mode;
if (HAS_PCH_SPLIT(encoder->base.dev))
pipe_config->has_pch_encoder = true;
/* We need to construct preferred input timings based on our
* output timings. To do that, we have to set the output
* timings, even though this isn't really the right place in