DSP CLK_GATE registers are specific to BYT and CHT. Avoid programming the same for BXT platform. v2: Rebased on latest drm nightly branch. Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_dsi.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 350e10a..d0b26c8 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -612,6 +612,7 @@ static void intel_dsi_clear_device_ready(struct intel_encoder *encoder) static void intel_dsi_post_disable(struct intel_encoder *encoder) { + struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); u32 val; @@ -622,9 +623,11 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder) intel_dsi_clear_device_ready(encoder); - val = I915_READ(DSPCLK_GATE_D); - val &= ~DPOUNIT_CLOCK_GATE_DISABLE; - I915_WRITE(DSPCLK_GATE_D, val); + if (!IS_BROXTON(dev)) { + val = I915_READ(DSPCLK_GATE_D); + val &= ~DPOUNIT_CLOCK_GATE_DISABLE; + I915_WRITE(DSPCLK_GATE_D, val); + } drm_panel_unprepare(intel_dsi->panel); -- 1.7.9.5 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx