From e87a005d90c37e7dd2737dcb4efb32341ad402f8 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 20 Oct 2015 15:22:02 +0300 Subject: drm/i915: add helpers for platform specific revision id range checks Revision checks are almost always accompanied by a platform check. (The exceptions are platform specific code.) Add helpers to check for a platform and a revision range: IS_SKL_REVID() and IS_BXT_REVID(). In most places this simplifies and clarifies the code. It will be obvious that revid macros are used for the correct platform. This should make it easier to find all the revision checks for workarounds for each platform, and make it easier to remove them once we drop support for early hardware revisions. This should also make it easier to differentiate between Skylake and Kabylake revision checks when Kabylake support is added. v2: rebase Acked-by: Ville Syrjälä Reviewed-by: Daniel Vetter Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1445343722-3312-3-git-send-email-jani.nikula@intel.com --- drivers/gpu/drm/i915/intel_pm.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_pm.c') diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 771eefb7c7ef..4c1c1bb96a9e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4386,7 +4386,7 @@ static void gen6_set_rps(struct drm_device *dev, u8 val) struct drm_i915_private *dev_priv = dev->dev_private; /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */ - if (IS_BROXTON(dev) && (INTEL_REVID(dev) <= BXT_REVID_A1)) + if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) return; WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock)); @@ -4710,7 +4710,7 @@ static void gen9_enable_rps(struct drm_device *dev) gen6_init_rps_frequencies(dev); /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */ - if (IS_BROXTON(dev) && (INTEL_REVID(dev) <= BXT_REVID_A1)) { + if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) { intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); return; } @@ -4755,7 +4755,7 @@ static void gen9_enable_rc6(struct drm_device *dev) /* WaRsDoubleRc6WrlWithCoarsePowerGating: Doubling WRL only when CPG is enabled */ if (IS_SKYLAKE(dev) && !((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && - (INTEL_REVID(dev) <= SKL_REVID_E0))) + IS_SKL_REVID(dev, 0, SKL_REVID_E0))) I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 108 << 16); else I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16); @@ -4779,8 +4779,8 @@ static void gen9_enable_rc6(struct drm_device *dev) DRM_INFO("RC6 %s\n", (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ? "on" : "off"); /* WaRsUseTimeoutMode */ - if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_D0) || - (IS_BROXTON(dev) && INTEL_REVID(dev) <= BXT_REVID_A0)) { + if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) || + IS_BXT_REVID(dev, 0, BXT_REVID_A0)) { I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us */ I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | GEN7_RC_CTL_TO_MODE | @@ -4796,8 +4796,9 @@ static void gen9_enable_rc6(struct drm_device *dev) * 3b: Enable Coarse Power Gating only when RC6 is enabled. * WaRsDisableCoarsePowerGating:skl,bxt - Render/Media PG need to be disabled with RC6. */ - if ((IS_BROXTON(dev) && (INTEL_REVID(dev) <= BXT_REVID_A1)) || - ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && (INTEL_REVID(dev) <= SKL_REVID_E0))) + if (IS_BXT_REVID(dev, 0, BXT_REVID_A1) || + ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && + IS_SKL_REVID(dev, 0, SKL_REVID_E0))) I915_WRITE(GEN9_PG_ENABLE, 0); else I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ? -- cgit v1.2.3-55-g7522