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From afe464144163b48d6e91ed24fb57b8a457c05644 Mon Sep 17 00:00:00 2001
From: Yong Zhao <yong.zhao@amd.com>
Date: Mon, 18 Sep 2017 14:25:31 -0400
Subject: [PATCH 1090/4131] drm/amdgpu: Correct bytes limit for SDMA 3.0 copy
and fill
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Change-Id: I5c2e22a0a3ce52a7d14ad33dfd7a137f29bf6ddf
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 297e834..eaa6239 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1713,11 +1713,11 @@ static void sdma_v3_0_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v3_0_buffer_funcs = {
- .copy_max_bytes = 0x1fffff,
+ .copy_max_bytes = 0x3fffe0, /* not 0x3fffff due to HW limitation */
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v3_0_emit_copy_buffer,
- .fill_max_bytes = 0x1fffff,
+ .fill_max_bytes = 0x3fffe0, /* not 0x3fffff due to HW limitation */
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v3_0_emit_fill_buffer,
};
--
2.7.4
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