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From: "Michel Dänzer" <michel@daenzer.net>
To: dri-devel@lists.freedesktop.org
Subject: [PATCH] drm/radeon: Take IH ring into account for test size calculation.
Date: Fri, 19 Aug 2011 17:24:16 +0200	[thread overview]
Message-ID: <1313767459-7796-1-git-send-email-michel@daenzer.net> (raw)

From: Michel Dänzer <michel.daenzer@amd.com>

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
---
 drivers/gpu/drm/radeon/radeon_test.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c
index dee4a0c..1ebd0fe 100644
--- a/drivers/gpu/drm/radeon/radeon_test.c
+++ b/drivers/gpu/drm/radeon/radeon_test.c
@@ -40,10 +40,14 @@ void radeon_test_moves(struct radeon_device *rdev)
 	size = 1024 * 1024;
 
 	/* Number of tests =
-	 * (Total GTT - IB pool - writeback page - ring buffer) / test size
+	 * (Total GTT - IB pool - writeback page - ring buffers) / test size
 	 */
-	n = ((u32)(rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - RADEON_GPU_PAGE_SIZE -
-	     rdev->cp.ring_size)) / size;
+	n = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - rdev->cp.ring_size;
+	if (rdev->wb.wb_obj)
+		n -= RADEON_GPU_PAGE_SIZE;
+	if (rdev->ih.ring_obj)
+		n -= rdev->ih.ring_size;
+	n /= size;
 
 	gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL);
 	if (!gtt_obj) {
-- 
1.7.5.4


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             reply	other threads:[~2011-08-19 15:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-19 15:24 Michel Dänzer [this message]
2011-08-19 18:59 ` [PATCH] drm/radeon: Take IH ring into account for test size calculation Alex Deucher
2011-08-23  9:49   ` Michel Dänzer

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