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authorJonathan Gray <jsg@cvs.openbsd.org>2024-07-26 03:32:21 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2024-07-26 03:32:21 +0000
commitc8c2a5694a70d01dc4cb35df3efd6c76dcd1de0a (patch)
tree4e81a78aca6e4fcdb90dd0799570a0f8a5d44f9f
parenta39ce2a860524f5a38080d0f77dfab2d86be4a5d (diff)
drm/amdgpu: Indicate CU havest info to CP
From Harish Kasiviswanathan 86a6a3964f600d458412295ac8d705b6b9a8efdb in linux-6.6.y/6.6.42 49c9ffabde555c841392858d8b9e6cf58998a50c in mainline linux
-rw-r--r--sys/dev/pci/drm/amd/amdgpu/gfx_v9_4_3.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/gfx_v9_4_3.c b/sys/dev/pci/drm/amd/amdgpu/gfx_v9_4_3.c
index d06192829e5..b9c3e83fdb1 100644
--- a/sys/dev/pci/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/sys/dev/pci/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -4290,9 +4290,10 @@ static u32 gfx_v9_4_3_get_cu_active_bitmap(struct amdgpu_device *adev, int xcc_i
static int gfx_v9_4_3_get_cu_info(struct amdgpu_device *adev,
struct amdgpu_cu_info *cu_info)
{
- int i, j, k, counter, xcc_id, active_cu_number = 0;
- u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0;
+ int i, j, k, prev_counter, counter, xcc_id, active_cu_number = 0;
+ u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0, tmp;
unsigned disable_masks[4 * 4];
+ bool is_symmetric_cus;
if (!adev || !cu_info)
return -EINVAL;
@@ -4310,6 +4311,7 @@ static int gfx_v9_4_3_get_cu_info(struct amdgpu_device *adev,
mutex_lock(&adev->grbm_idx_mutex);
for (xcc_id = 0; xcc_id < NUM_XCC(adev->gfx.xcc_mask); xcc_id++) {
+ is_symmetric_cus = true;
for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
mask = 1;
@@ -4337,6 +4339,15 @@ static int gfx_v9_4_3_get_cu_info(struct amdgpu_device *adev,
ao_cu_mask |= (ao_bitmap << (i * 16 + j * 8));
cu_info->ao_cu_bitmap[i][j] = ao_bitmap;
}
+ if (i && is_symmetric_cus && prev_counter != counter)
+ is_symmetric_cus = false;
+ prev_counter = counter;
+ }
+ if (is_symmetric_cus) {
+ tmp = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_CPC_DEBUG);
+ tmp = REG_SET_FIELD(tmp, CP_CPC_DEBUG, CPC_HARVESTING_RELAUNCH_DISABLE, 1);
+ tmp = REG_SET_FIELD(tmp, CP_CPC_DEBUG, CPC_HARVESTING_DISPATCH_DISABLE, 1);
+ WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_CPC_DEBUG, tmp);
}
gfx_v9_4_3_xcc_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff,
xcc_id);