From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Airlie Subject: [PATCH 3/4] drm/radeon/cayman: setup hdp to invalidate and flush when asked Date: Thu, 19 May 2011 14:14:42 +1000 Message-ID: <1305778483-14402-4-git-send-email-airlied@gmail.com> References: <1305778483-14402-1-git-send-email-airlied@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id E4F149ED38 for ; Wed, 18 May 2011 21:14:52 -0700 (PDT) Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p4J4EqRR022451 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 19 May 2011 00:14:52 -0400 Received: from clockmaker-el6.bne.redhat.com (dhcp-0-222.bne.redhat.com [10.64.0.222]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p4J4EkNK027226 for ; Thu, 19 May 2011 00:14:51 -0400 In-Reply-To: <1305778483-14402-1-git-send-email-airlied@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org From: Dave Airlie On cayman we need to set the bit to cause HDP flushes to invalidate the HDP cache also. Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/ni.c | 4 ++++ drivers/gpu/drm/radeon/nid.h | 2 ++ 2 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 99f4f40..b205ba1 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -931,6 +931,10 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(CB_PERF_CTR3_SEL_0, 0); WREG32(CB_PERF_CTR3_SEL_1, 0); + tmp = RREG32(HDP_MISC_CNTL); + tmp |= HDP_FLUSH_INVALIDATE_CACHE; + WREG32(HDP_MISC_CNTL, tmp); + hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 0f9a08b..b2088c1 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -136,6 +136,8 @@ #define HDP_NONSURFACE_INFO 0x2C08 #define HDP_NONSURFACE_SIZE 0x2C0C #define HDP_ADDR_CONFIG 0x2F48 +#define HDP_MISC_CNTL 0x2F4C +#define HDP_FLUSH_INVALIDATE_CACHE (1 << 0) #define CC_SYS_RB_BACKEND_DISABLE 0x3F88 #define GC_USER_SYS_RB_BACKEND_DISABLE 0x3F8C -- 1.7.1