From: Uma Shankar Date: Thu, 18 Feb 2016 11:49:26 +0000 (+0200) Subject: drm/i915/bxt: Remove DSP CLK_GATE programming for BXT X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=d6e3af5498390ae58b03b515ad0eb92520a8ad6b;p=openwrt%2Fstaging%2Fblogic.git drm/i915/bxt: Remove DSP CLK_GATE programming for BXT DSP CLK_GATE registers are specific to BYT and CHT. Avoid programming the same for BXT platform. v2: Rebased on latest drm nightly branch. v3: Fixed Jani's review comments Signed-off-by: Uma Shankar Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1455796166-13052-1-git-send-email-jani.nikula@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index fcd746c55abd..b928c503df24 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -634,7 +634,6 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); - u32 val; DRM_DEBUG_KMS("\n"); @@ -642,9 +641,13 @@ 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_priv)) { + u32 val; + + val = I915_READ(DSPCLK_GATE_D); + val &= ~DPOUNIT_CLOCK_GATE_DISABLE; + I915_WRITE(DSPCLK_GATE_D, val); + } drm_panel_unprepare(intel_dsi->panel);