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| author | Vandana Kannan <vandana.kannan@intel.com> | 2015-02-13 15:33:01 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-02-24 11:51:37 +0100 |
| commit | 6fa7aec1db07f43d3ad94122c3bd52647c81619e (patch) | |
| tree | f5798abe1993c32ee66760c0f10bd23e56112e9b /drivers/gpu/drm/i915/intel_dp.c | |
| parent | a4c30b1d108c1ef60667ed357af4aeabc3d05eca (diff) | |
| download | talos-obmc-linux-6fa7aec1db07f43d3ad94122c3bd52647c81619e.tar.gz talos-obmc-linux-6fa7aec1db07f43d3ad94122c3bd52647c81619e.zip | |
drm/i915: Support for RR switching on VLV
Definition of VLV RR switch bit and corresponding toggling in
set_drrs function.
Signed-off-by: Vandana Kannan <vandana.kannan@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index c837ded8e275..4d6e68c52fd9 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4825,9 +4825,15 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate) val = I915_READ(reg); if (index > DRRS_HIGH_RR) { - val |= PIPECONF_EDP_RR_MODE_SWITCH; + if (IS_VALLEYVIEW(dev)) + val |= PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val |= PIPECONF_EDP_RR_MODE_SWITCH; } else { - val &= ~PIPECONF_EDP_RR_MODE_SWITCH; + if (IS_VALLEYVIEW(dev)) + val &= ~PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val &= ~PIPECONF_EDP_RR_MODE_SWITCH; } I915_WRITE(reg, val); } |
