diff mbox

[12/12] drm/i915/bxt: Remove DSP CLK_GATE programming for BXT

Message ID 1432310765-2218-13-git-send-email-uma.shankar@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Uma Shankar May 22, 2015, 4:06 p.m. UTC 
DSP CLK_GATE registers are specific to BYT and CHT.
Avoid programming the same for BXT platform.

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
 drivers/gpu/drm/i915/intel_dsi.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 5fbcebe..59a52d1 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -658,9 +658,11 @@  static void intel_dsi_post_disable(struct intel_encoder *encoder)
 	intel_dsi_disable(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);