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drm/i915: Add HSW CRT output readout support

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Call intel_ddi_get_config() to get the pipe_bpp settings from
DDI.

The sync polarity settings from DDI are irrelevant for CRT
output, so override them with data from the ADPA register.

v2: Extract intel_crt_get_flags()

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=69691
Tested-by: Qingshuai Tian <qingshuai.tian@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä
2013-09-24 14:24:05 +03:00
committed by Daniel Vetter
parent f2335330ec
commit 6801c18c0a
3 changed files with 32 additions and 8 deletions
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2
drivers/gpu/drm/i915/intel_drv.h
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@@ -828,5 +828,7 @@ extern void ironlake_check_encoder_dotclock(const struct intel_crtc_config *pipe
extern bool intel_crtc_active(struct drm_crtc *crtc);
extern void i915_disable_vga_mem(struct drm_device *dev);
extern void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config);
#endif /* __INTEL_DRV_H__ */