From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] [trivial] drm/i915: Convert straggling MCHBAR registers Date: Wed, 23 Oct 2013 09:54:41 +0300 Message-ID: <87vc0o79zi.fsf@intel.com> References: <1382504709-1158-1-git-send-email-benjamin.widawsky@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id D5DBFE5FBC for ; Tue, 22 Oct 2013 23:53:04 -0700 (PDT) In-Reply-To: <1382504709-1158-1-git-send-email-benjamin.widawsky@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Intel GFX Cc: Ben Widawsky , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org On Wed, 23 Oct 2013, Ben Widawsky wrote: > All our registers which are written through the MCHBAR are defined > descriptively as an offset to the MCHBAR. We had 3 outliers here. > Convert these as well so all registers which are offsets are MCHBAR can > be easily identified/found within the code. > > With this, convert DCLK to also follow this format. > > Signed-off-by: Ben Widawsky Reviewed-by: Jani Nikula > --- > drivers/gpu/drm/i915/i915_reg.h | 8 ++++---- > drivers/gpu/drm/i915/intel_pm.c | 2 +- > 2 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 2b4f7b1..6c98238 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -1480,7 +1480,7 @@ > #define MCHBAR_MIRROR_BASE_SNB 0x140000 > > /* Memory controller frequency in MCHBAR for Haswell (possible SNB+) */ > -#define DCLK 0x5e04 > +#define DCLK (MCHBAR_MIRROR_BASE_SNB + 0x5e04) > > /** 915-945 and GM965 MCH register controlling DRAM channel access */ > #define DCC 0x10200 > @@ -1775,9 +1775,9 @@ > #define GEN6_GT_THREAD_STATUS_CORE_MASK 0x7 > #define GEN6_GT_THREAD_STATUS_CORE_MASK_HSW (0x7 | (0x07 << 16)) > > -#define GEN6_GT_PERF_STATUS 0x145948 > -#define GEN6_RP_STATE_LIMITS 0x145994 > -#define GEN6_RP_STATE_CAP 0x145998 > +#define GEN6_GT_PERF_STATUS (MCHBAR_MIRROR_BASE_SNB + 0x5948) > +#define GEN6_RP_STATE_LIMITS (MCHBAR_MIRROR_BASE_SNB + 0x5994) > +#define GEN6_RP_STATE_CAP (MCHBAR_MIRROR_BASE_SNB + 0x5998) > > /* > * Logical Context regs > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 3e140ab..d4dd543 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -3915,7 +3915,7 @@ void gen6_update_ring_freq(struct drm_device *dev) > /* Convert from kHz to MHz */ > max_ia_freq /= 1000; > > - min_ring_freq = I915_READ(MCHBAR_MIRROR_BASE_SNB + DCLK) & 0xf; > + min_ring_freq = I915_READ(DCLK) & 0xf; > /* convert DDR frequency from units of 266.6MHz to bandwidth */ > min_ring_freq = mult_frac(min_ring_freq, 8, 3); > > -- > 1.8.4.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center