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Commit 5b5929cb authored by Jani Nikula's avatar Jani Nikula Committed by Daniel Vetter
Browse files

drm/i915/chv: remove pre-production hardware workarounds 



Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Appease gcc and remove the unused variable.]
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent d39398f5

drivers/gpu/drm/i915/intel_pm.c

+22 −34
Original line number Diff line number Diff line
@@ -5061,7 +5061,6 @@ static int cherryview_rps_max_freq(struct drm_i915_private *dev_priv) 
	struct drm_device *dev = dev_priv->dev;

	u32 val, rp0;



	if (dev->pdev->revision >= 0x20) {

	val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);



	switch (INTEL_INFO(dev)->eu_total) {
@@ -5080,13 +5079,9 @@ static int cherryview_rps_max_freq(struct drm_i915_private *dev_priv) 
		rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS8EU_FUSE_SHIFT);

		break;

	}



	rp0 = (rp0 & FB_GFX_FREQ_FUSE_MASK);

	} else {

		/* For pre-production hardware */

		val = vlv_punit_read(dev_priv, PUNIT_GPU_STATUS_REG);

		rp0 = (val >> PUNIT_GPU_STATUS_MAX_FREQ_SHIFT) &

		       PUNIT_GPU_STATUS_MAX_FREQ_MASK;

	}



	return rp0;

}
@@ -5102,18 +5097,11 @@ static int cherryview_rps_rpe_freq(struct drm_i915_private *dev_priv) 


static int cherryview_rps_guar_freq(struct drm_i915_private *dev_priv)

{

	struct drm_device *dev = dev_priv->dev;

	u32 val, rp1;



	if (dev->pdev->revision >= 0x20) {

	val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);

	rp1 = (val & FB_GFX_FREQ_FUSE_MASK);

	} else {

		/* For pre-production hardware */

		val = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);

		rp1 = ((val >> PUNIT_GPU_STATUS_MAX_FREQ_SHIFT) &

		       PUNIT_GPU_STATUS_MAX_FREQ_MASK);

	}



	return rp1;

}