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authorUma Shankar <uma.shankar@intel.com>2016-02-18 13:49:26 +0200
committerJani Nikula <jani.nikula@intel.com>2016-02-18 19:06:32 +0200
commitd6e3af5498390ae58b03b515ad0eb92520a8ad6b (patch)
treebe37f8226a4b1cad81c6554658c43ff569219288 /drivers/gpu/drm/i915/intel_dsi.c
parent4d800030238878c1a98d1d3a37a3d673eea661ce (diff)
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/intel_dsi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dsi.c11
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);