Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761937Ab2FHFVV (ORCPT ); Fri, 8 Jun 2012 01:21:21 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:43175 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760208Ab2FHFHW (ORCPT ); Fri, 8 Jun 2012 01:07:22 -0400 Message-Id: <20120608041847.143900866@decadent.org.uk> User-Agent: quilt/0.60-1 Date: Fri, 08 Jun 2012 05:19:27 +0100 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Alex Deucher , Dave Airlie Subject: [ 47/82] drm/radeon: properly program gart on rv740, juniper, cypress, barts, hemlock In-Reply-To: <20120608041840.861504477@decadent.org.uk> X-SA-Exim-Connect-IP: 2001:470:1f08:1539:21c:bfff:fe03:f805 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3273 Lines: 83 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit 0b8c30bc4943137a4a36b9cb059b1cc684f5d702 upstream. Need to program an additional VM register. This doesn't not currently cause any problems, but allows us to program the proper backend map in a subsequent patch which should improve performance on these asics. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie Signed-off-by: Ben Hutchings --- drivers/gpu/drm/radeon/evergreen.c | 5 +++++ drivers/gpu/drm/radeon/evergreend.h | 1 + drivers/gpu/drm/radeon/rv770.c | 2 ++ drivers/gpu/drm/radeon/rv770d.h | 1 + 4 files changed, 9 insertions(+) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 5d9c2c6..0408ac2 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1029,6 +1029,11 @@ int evergreen_pcie_gart_enable(struct radeon_device *rdev) WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); + if ((rdev->family == CHIP_JUNIPER) || + (rdev->family == CHIP_CYPRESS) || + (rdev->family == CHIP_HEMLOCK) || + (rdev->family == CHIP_BARTS)) + WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp); } WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 79130bf..3dd43e7 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -452,6 +452,7 @@ #define MC_VM_MD_L1_TLB0_CNTL 0x2654 #define MC_VM_MD_L1_TLB1_CNTL 0x2658 #define MC_VM_MD_L1_TLB2_CNTL 0x265C +#define MC_VM_MD_L1_TLB3_CNTL 0x2698 #define FUS_MC_VM_MD_L1_TLB0_CNTL 0x265C #define FUS_MC_VM_MD_L1_TLB1_CNTL 0x2660 diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index c824d49..c12349d 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -151,6 +151,8 @@ int rv770_pcie_gart_enable(struct radeon_device *rdev) WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); + if (rdev->family == CHIP_RV740) + WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h index 9c549f7..7addbef 100644 --- a/drivers/gpu/drm/radeon/rv770d.h +++ b/drivers/gpu/drm/radeon/rv770d.h @@ -174,6 +174,7 @@ #define MC_VM_MD_L1_TLB0_CNTL 0x2654 #define MC_VM_MD_L1_TLB1_CNTL 0x2658 #define MC_VM_MD_L1_TLB2_CNTL 0x265C +#define MC_VM_MD_L1_TLB3_CNTL 0x2698 #define MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR 0x203C #define MC_VM_SYSTEM_APERTURE_HIGH_ADDR 0x2038 #define MC_VM_SYSTEM_APERTURE_LOW_ADDR 0x2034 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/