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drm/i915/bxt: Remove DSP CLK_GATE programming for BXT

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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
This commit is contained in:
Uma Shankar 2016-02-18 13:49:26 +02:00 committed by Jani Nikula
parent 4d80003023
commit d6e3af5498
1 changed files with 7 additions and 4 deletions
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11
drivers/gpu/drm/i915/intel_dsi.c
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@ -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);