From 537ef3ab077d68d7c46b9cbf41018a93882b35ce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolai=20H=C3=A4hnle?= Date: Thu, 12 Apr 2018 16:34:19 +0200 Subject: drm/amdgpu: set COMPUTE_PGM_RSRC1 for SGPR/VGPR clearing shaders MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 75569c182e4f65cd8826a5853dc9cbca703cbd0e upstream. Otherwise, the SQ may skip some of the register writes, or shader waves may be allocated where we don't expect them, so that as a result we don't actually reset all of the register SRAMs. This can lead to spurious ECC errors later on if a shader uses an uninitialized register. Signed-off-by: Nicolai Hähnle Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index a88d365be4c5..564362e8b486 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -1484,10 +1484,11 @@ static const u32 sgpr_init_compute_shader[] = static const u32 vgpr_init_regs[] = { mmCOMPUTE_STATIC_THREAD_MGMT_SE0, 0xffffffff, - mmCOMPUTE_RESOURCE_LIMITS, 0, + mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, /* CU_GROUP_COUNT=1 */ mmCOMPUTE_NUM_THREAD_X, 256*4, mmCOMPUTE_NUM_THREAD_Y, 1, mmCOMPUTE_NUM_THREAD_Z, 1, + mmCOMPUTE_PGM_RSRC1, 0x100004f, /* VGPRS=15 (64 logical VGPRs), SGPRS=1 (16 SGPRs), BULKY=1 */ mmCOMPUTE_PGM_RSRC2, 20, mmCOMPUTE_USER_DATA_0, 0xedcedc00, mmCOMPUTE_USER_DATA_1, 0xedcedc01, @@ -1504,10 +1505,11 @@ static const u32 vgpr_init_regs[] = static const u32 sgpr1_init_regs[] = { mmCOMPUTE_STATIC_THREAD_MGMT_SE0, 0x0f, - mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, + mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, /* CU_GROUP_COUNT=1 */ mmCOMPUTE_NUM_THREAD_X, 256*5, mmCOMPUTE_NUM_THREAD_Y, 1, mmCOMPUTE_NUM_THREAD_Z, 1, + mmCOMPUTE_PGM_RSRC1, 0x240, /* SGPRS=9 (80 GPRS) */ mmCOMPUTE_PGM_RSRC2, 20, mmCOMPUTE_USER_DATA_0, 0xedcedc00, mmCOMPUTE_USER_DATA_1, 0xedcedc01, @@ -1528,6 +1530,7 @@ static const u32 sgpr2_init_regs[] = mmCOMPUTE_NUM_THREAD_X, 256*5, mmCOMPUTE_NUM_THREAD_Y, 1, mmCOMPUTE_NUM_THREAD_Z, 1, + mmCOMPUTE_PGM_RSRC1, 0x240, /* SGPRS=9 (80 GPRS) */ mmCOMPUTE_PGM_RSRC2, 20, mmCOMPUTE_USER_DATA_0, 0xedcedc00, mmCOMPUTE_USER_DATA_1, 0xedcedc01, -- cgit v1.2.3