From: Likun Gao <Likun.Gao@xxxxxxx>
Add function for sienna_cichlid to force PBB workload mode to zero by
checking whether there have SE been harvested.
Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 5.9.x
(cherry picked from commit 274c240c760ed4647ddae1f1b994e0dd3f71cbb1)
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 62 ++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index f73ce9721233..b1cb7bf5dd10 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -112,6 +112,22 @@
#define mmCP_HYP_ME_UCODE_DATA 0x5817
#define mmCP_HYP_ME_UCODE_DATA_BASE_IDX 1
+//CC_GC_SA_UNIT_DISABLE
+#define mmCC_GC_SA_UNIT_DISABLE 0x0fe9
+#define mmCC_GC_SA_UNIT_DISABLE_BASE_IDX 0
+#define CC_GC_SA_UNIT_DISABLE__SA_DISABLE__SHIFT 0x8
+#define CC_GC_SA_UNIT_DISABLE__SA_DISABLE_MASK 0x0000FF00L
+//GC_USER_SA_UNIT_DISABLE
+#define mmGC_USER_SA_UNIT_DISABLE 0x0fea
+#define mmGC_USER_SA_UNIT_DISABLE_BASE_IDX 0
+#define GC_USER_SA_UNIT_DISABLE__SA_DISABLE__SHIFT 0x8
+#define GC_USER_SA_UNIT_DISABLE__SA_DISABLE_MASK 0x0000FF00L
+//PA_SC_ENHANCE_3
+#define mmPA_SC_ENHANCE_3 0x1085
+#define mmPA_SC_ENHANCE_3_BASE_IDX 0
+#define PA_SC_ENHANCE_3__FORCE_PBB_WORKLOAD_MODE_TO_ZERO__SHIFT 0x3
+#define PA_SC_ENHANCE_3__FORCE_PBB_WORKLOAD_MODE_TO_ZERO_MASK 0x00000008L
+
MODULE_FIRMWARE("amdgpu/navi10_ce.bin");
MODULE_FIRMWARE("amdgpu/navi10_pfp.bin");
MODULE_FIRMWARE("amdgpu/navi10_me.bin");
@@ -3188,6 +3204,8 @@ static int gfx_v10_0_wait_for_rlc_autoload_complete(struct amdgpu_device *adev);
static void gfx_v10_0_ring_emit_ce_meta(struct amdgpu_ring *ring, bool resume);
static void gfx_v10_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume);
static void gfx_v10_0_ring_emit_frame_cntl(struct amdgpu_ring *ring, bool start, bool secure);
+static u32 gfx_v10_3_get_disabled_sa(struct amdgpu_device *adev);
+static void gfx_v10_3_program_pbb_mode(struct amdgpu_device *adev);
static void gfx10_kiq_set_resources(struct amdgpu_ring *kiq_ring, uint64_t queue_mask)
{
@@ -6928,6 +6946,9 @@ static int gfx_v10_0_hw_init(void *handle)
if (r)
return r;
+ if (adev->asic_type == CHIP_SIENNA_CICHLID)
+ gfx_v10_3_program_pbb_mode(adev);
+
return r;
}
@@ -8773,6 +8794,47 @@ static int gfx_v10_0_get_cu_info(struct amdgpu_device *adev,
return 0;
}
+static u32 gfx_v10_3_get_disabled_sa(struct amdgpu_device *adev)
+{
+ uint32_t efuse_setting, vbios_setting, disabled_sa, max_sa_mask;
+
+ efuse_setting = RREG32_SOC15(GC, 0, mmCC_GC_SA_UNIT_DISABLE);
+ efuse_setting &= CC_GC_SA_UNIT_DISABLE__SA_DISABLE_MASK;
+ efuse_setting >>= CC_GC_SA_UNIT_DISABLE__SA_DISABLE__SHIFT;
+
+ vbios_setting = RREG32_SOC15(GC, 0, mmGC_USER_SA_UNIT_DISABLE);
+ vbios_setting &= GC_USER_SA_UNIT_DISABLE__SA_DISABLE_MASK;
+ vbios_setting >>= GC_USER_SA_UNIT_DISABLE__SA_DISABLE__SHIFT;
+
+ max_sa_mask = amdgpu_gfx_create_bitmask(adev->gfx.config.max_sh_per_se *
+ adev->gfx.config.max_shader_engines);
+ disabled_sa = efuse_setting | vbios_setting;
+ disabled_sa &= max_sa_mask;
+
+ return disabled_sa;
+}
+
+static void gfx_v10_3_program_pbb_mode(struct amdgpu_device *adev)
+{
+ uint32_t max_sa_per_se, max_sa_per_se_mask, max_shader_engines;
+ uint32_t disabled_sa_mask, se_index, disabled_sa_per_se;
+
+ disabled_sa_mask = gfx_v10_3_get_disabled_sa(adev);
+
+ max_sa_per_se = adev->gfx.config.max_sh_per_se;
+ max_sa_per_se_mask = (1 << max_sa_per_se) - 1;
+ max_shader_engines = adev->gfx.config.max_shader_engines;
+
+ for (se_index = 0; max_shader_engines > se_index; se_index++) {
+ disabled_sa_per_se = disabled_sa_mask >> (se_index * max_sa_per_se);
+ disabled_sa_per_se &= max_sa_per_se_mask;
+ if (disabled_sa_per_se == max_sa_per_se_mask) {
+ WREG32_FIELD15(GC, 0, PA_SC_ENHANCE_3, FORCE_PBB_WORKLOAD_MODE_TO_ZERO, 1);
+ break;
+ }
+ }
+}
+
const struct amdgpu_ip_block_version gfx_v10_0_ip_block =
{
.type = AMD_IP_BLOCK_TYPE_GFX,
--
2.25.4
