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| author | Uma Shankar <uma.shankar@intel.com> | 2016-02-18 13:49:26 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2016-02-18 19:06:32 +0200 |
| commit | d6e3af5498390ae58b03b515ad0eb92520a8ad6b (patch) | |
| tree | be37f8226a4b1cad81c6554658c43ff569219288 /drivers/gpu/drm/i915 | |
| parent | 4d800030238878c1a98d1d3a37a3d673eea661ce (diff) | |
| download | linux-d6e3af5498390ae58b03b515ad0eb92520a8ad6b.tar.bz2 | |
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 <uma.shankar@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455796166-13052-1-git-send-email-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 11 |
1 files changed, 7 insertions, 4 deletions
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); |