From: Ville Syrjälä Date: Mon, 24 Feb 2014 15:02:09 +0000 (+0200) Subject: drm/i915: Drop the forcewake count inc/dec around register read on VLV X-Git-Tag: v5.15~17777^2~63^2~285 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fc9d83f7475ec3164ee80582555f4fe8a7847319;p=platform%2Fkernel%2Flinux-starfive.git drm/i915: Drop the forcewake count inc/dec around register read on VLV VLV is the only platform where we increment/decrement the forcewake count around register access. Drop the inc/dec on VLV to make the forcewake code a bit more unified. The inc/dec are not necessary since we hold the uncore lock around the whole operation. Signed-off-by: Ville Syrjälä Reviewed-by: Deepak S Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index ba465f9..9d25edfb 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -516,22 +516,22 @@ gen6_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ static u##x \ vlv_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ unsigned fwengine = 0; \ - unsigned *fwcount; \ + unsigned fwcount; \ REG_READ_HEADER(x); \ if (FORCEWAKE_VLV_RENDER_RANGE_OFFSET(reg)) { \ fwengine = FORCEWAKE_RENDER; \ - fwcount = &dev_priv->uncore.fw_rendercount; \ + fwcount = dev_priv->uncore.fw_rendercount; \ } \ else if (FORCEWAKE_VLV_MEDIA_RANGE_OFFSET(reg)) { \ fwengine = FORCEWAKE_MEDIA; \ - fwcount = &dev_priv->uncore.fw_mediacount; \ + fwcount = dev_priv->uncore.fw_mediacount; \ } \ if (fwengine != 0) { \ - if ((*fwcount)++ == 0) \ + if (fwcount == 0) \ (dev_priv)->uncore.funcs.force_wake_get(dev_priv, \ fwengine); \ val = __raw_i915_read##x(dev_priv, reg); \ - if (--(*fwcount) == 0) \ + if (fwcount == 0) \ (dev_priv)->uncore.funcs.force_wake_put(dev_priv, \ fwengine); \ } else { \