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authorKen Wang <Ken.Wang@amd.com>2017-08-15 12:16:08 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-08-18 19:02:11 +0300
commitd5de797ff1c91157ddefd7102aaf5f87ff222746 (patch)
tree11ab80bc244bab62ba3819c58b5e82cd036ef0e4 /drivers/gpu/drm
parent33476319c0e8b3543c27d883e7a478ceb8648f80 (diff)
downloadlinux-d5de797ff1c91157ddefd7102aaf5f87ff222746.tar.xz
drm/amdgpu: fix vega10 graphic hang issue in S3 test
mmVGT_INDEX_TYPE has no default value, need to make sure it's initialized when gfx is initialized. Signed-off-by: Ken Wang <Ken.Wang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc15d.h1
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index b39f81dda847..69182eeca264 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2157,7 +2157,7 @@ static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
struct amdgpu_ring *ring = &adev->gfx.gfx_ring[0];
const struct cs_section_def *sect = NULL;
const struct cs_extent_def *ext = NULL;
- int r, i;
+ int r, i, tmp;
/* init the CP */
WREG32_SOC15(GC, 0, mmCP_MAX_CONTEXT, adev->gfx.config.max_hw_contexts - 1);
@@ -2165,7 +2165,7 @@ static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
gfx_v9_0_cp_gfx_enable(adev, true);
- r = amdgpu_ring_alloc(ring, gfx_v9_0_get_csb_size(adev) + 4);
+ r = amdgpu_ring_alloc(ring, gfx_v9_0_get_csb_size(adev) + 4 + 3);
if (r) {
DRM_ERROR("amdgpu: cp failed to lock ring (%d).\n", r);
return r;
@@ -2203,6 +2203,12 @@ static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
amdgpu_ring_write(ring, 0x8000);
amdgpu_ring_write(ring, 0x8000);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SET_UCONFIG_REG,1));
+ tmp = (PACKET3_SET_UCONFIG_REG_INDEX_TYPE |
+ (SOC15_REG_OFFSET(GC, 0, mmVGT_INDEX_TYPE) - PACKET3_SET_UCONFIG_REG_START));
+ amdgpu_ring_write(ring, tmp);
+ amdgpu_ring_write(ring, 0);
+
amdgpu_ring_commit(ring);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15d.h b/drivers/gpu/drm/amd/amdgpu/soc15d.h
index e79befd80eed..7f408f85fdb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15d.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15d.h
@@ -250,6 +250,7 @@
#define PACKET3_SET_UCONFIG_REG 0x79
#define PACKET3_SET_UCONFIG_REG_START 0x0000c000
#define PACKET3_SET_UCONFIG_REG_END 0x0000c400
+#define PACKET3_SET_UCONFIG_REG_INDEX_TYPE (2 << 28)
#define PACKET3_SCRATCH_RAM_WRITE 0x7D
#define PACKET3_SCRATCH_RAM_READ 0x7E
#define PACKET3_LOAD_CONST_RAM 0x80