Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754047AbaBGMYH (ORCPT ); Fri, 7 Feb 2014 07:24:07 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:42140 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754990AbaBGLvO (ORCPT ); Fri, 7 Feb 2014 06:51:14 -0500 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Alex Deucher , Luis Henriques Subject: [PATCH 3.11 153/233] drm/radeon: set the full cache bit for fences on r7xx+ Date: Fri, 7 Feb 2014 11:46:12 +0000 Message-Id: <1391773652-25214-154-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1391773652-25214-1-git-send-email-luis.henriques@canonical.com> References: <1391773652-25214-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.11 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.11.10.4 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit d45b964a22cad962d3ede1eba8d24f5cee7b2a92 upstream. Needed to properly flush the read caches for fences. Signed-off-by: Alex Deucher Signed-off-by: Luis Henriques --- drivers/gpu/drm/radeon/r600.c | 13 +++++++------ drivers/gpu/drm/radeon/r600d.h | 1 + 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index c2d7eb6..30320a5 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2989,14 +2989,17 @@ void r600_fence_ring_emit(struct radeon_device *rdev, struct radeon_fence *fence) { struct radeon_ring *ring = &rdev->ring[fence->ring]; + u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA | + PACKET3_SH_ACTION_ENA; + + if (rdev->family >= CHIP_RV770) + cp_coher_cntl |= PACKET3_FULL_CACHE_ENA; if (rdev->wb.use_event) { u64 addr = rdev->fence_drv[fence->ring].gpu_addr; /* flush read cache over gart */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | - PACKET3_VC_ACTION_ENA | - PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ @@ -3010,9 +3013,7 @@ void r600_fence_ring_emit(struct radeon_device *rdev, } else { /* flush read cache over gart */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | - PACKET3_VC_ACTION_ENA | - PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index d079cb1..4dae42c 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -1511,6 +1511,7 @@ # define PACKET3_CP_DMA_CMD_DAIC (1 << 29) #define PACKET3_SURFACE_SYNC 0x43 # define PACKET3_CB0_DEST_BASE_ENA (1 << 6) +# define PACKET3_FULL_CACHE_ENA (1 << 20) /* r7xx+ only */ # define PACKET3_TC_ACTION_ENA (1 << 23) # define PACKET3_VC_ACTION_ENA (1 << 24) # define PACKET3_CB_ACTION_ENA (1 << 25) -- 1.8.3.2 -- 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/