Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com> Regards, Hawking -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of ken.wang at amd.com Sent: Thursday, August 17, 2017 13:43 To: amd-gfx at lists.freedesktop.org Cc: Wang, Ken <Ken.Wang at amd.com> Subject: [PATCH] drm/amdgpu: fix vega10 graphic hang issue in S3 test From: Ken Wang <Ken.Wang@xxxxxxx> Change-Id: If01e32baa903c8c35991b1517c6d8bde98f5dae2 Signed-off-by: Ken Wang <Ken.Wang at amd.com> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 10 ++++++++-- drivers/gpu/drm/amd/amdgpu/soc15d.h | 1 + 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 1f6a34b..e183b50 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1615,7 +1615,7 @@ 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); @@ -1623,7 +1623,7 @@ 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; @@ -1661,6 +1661,12 @@ 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 ab94201..3b29827 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 -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
