diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-02-17 22:41:12 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-03-01 14:05:43 +0300 |
| commit | 8802e5b6de51ebbedb8a03e816ca847d860e07f5 (patch) | |
| tree | d3cb271f5380db637bb7a750fd0219ef9dd4266d /drivers/gpu/drm/i915/intel_crt.c | |
| parent | 64b46a06313634cf9ce5808ebd63dc82573be34c (diff) | |
| download | linux-8802e5b6de51ebbedb8a03e816ca847d860e07f5.tar.xz | |
drm/i915: Read out VGA dotclock properly on LPT
Rather than assume the VGA dotclock is really the FDI based thing,
let's read out the real thing via iclkip, and after readout it'll
get to compare it with the FDI based number to make sure they're
in sync.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455738073-14502-6-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 7fe13bcce6fc..61eaac2f326d 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -128,6 +128,8 @@ static void intel_crt_get_config(struct intel_encoder *encoder, static void hsw_crt_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + intel_ddi_get_config(encoder, pipe_config); pipe_config->base.adjusted_mode.flags &= ~(DRM_MODE_FLAG_PHSYNC | @@ -135,6 +137,8 @@ static void hsw_crt_get_config(struct intel_encoder *encoder, DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC); pipe_config->base.adjusted_mode.flags |= intel_crt_get_flags(encoder); + + pipe_config->base.adjusted_mode.crtc_clock = lpt_get_iclkip(dev_priv); } /* Note: The caller is required to filter out dpms modes not supported by the |