[PATCH 1/2] drm/amdgpu: Correct bytes limit for SDMA 3.0 copy and fill

2017-09-18 Thread Yong Zhao 
Change-Id: I10fc5efbc303056c5c5c4dc4f4dd2c3186595a91
Signed-off-by: Yong Zhao 
---
 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 728c0d8..4e7fe07 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1730,11 +1730,11 @@ 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 = 0x1f,
+   .copy_max_bytes = 0x3fffe0, /* not 0x3f due to HW limitation*/
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v3_0_emit_copy_buffer,
 
-   .fill_max_bytes = 0x1f,
+   .fill_max_bytes = 0x3fffe0, /* not 0x3f due to HW limitation*/
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v3_0_emit_fill_buffer,
 };
-- 
2.7.4

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Re: [PATCH 1/2] drm/amdgpu: Correct bytes limit for SDMA 3.0 copy and fill

2017-09-19 Thread Christian König 

Am 18.09.2017 um 21:18 schrieb Yong Zhao:

Change-Id: I10fc5efbc303056c5c5c4dc4f4dd2c3186595a91
Signed-off-by: Yong Zhao 


Reviewed-by: Christian König 


---
  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 728c0d8..4e7fe07 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1730,11 +1730,11 @@ 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 = 0x1f,
+   .copy_max_bytes = 0x3fffe0, /* not 0x3f due to HW limitation*/
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v3_0_emit_copy_buffer,
  
-	.fill_max_bytes = 0x1f,

+   .fill_max_bytes = 0x3fffe0, /* not 0x3f due to HW limitation*/
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v3_0_emit_fill_buffer,
  };



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