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authorLijo Lazar <[email protected]>2024-09-13 17:17:19 +0530
committerAlex Deucher <[email protected]>2024-10-15 11:19:46 -0400
commitb3c687169256ec637172b661cf59518eb756db28 (patch)
tree80b1201e61897d2bf07bda005f728d1095bbb171 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
parent40f2cd98828f454bdc5006ad3d94330a5ea164b7 (diff)
drm/amdgpu: Fetch NPS mode for GCv9.4.3 VFs
Use the memory ranges published in discovery table to deduce NPS mode of GC v9.4.3 VFs. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Vignesh Chander <[email protected]> Tested-by: Vignesh Chander <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 3a71028e4193..4e0a2d86a726 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -1244,14 +1244,14 @@ void amdgpu_gmc_sysfs_fini(struct amdgpu_device *adev)
int amdgpu_gmc_get_nps_memranges(struct amdgpu_device *adev,
struct amdgpu_mem_partition_info *mem_ranges,
- int exp_ranges)
+ uint8_t *exp_ranges)
{
struct amdgpu_gmc_memrange *ranges;
int range_cnt, ret, i, j;
uint32_t nps_type;
bool refresh;
- if (!mem_ranges)
+ if (!mem_ranges || !exp_ranges)
return -EINVAL;
refresh = (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) &&
@@ -1265,16 +1265,16 @@ int amdgpu_gmc_get_nps_memranges(struct amdgpu_device *adev,
/* TODO: For now, expect ranges and partition count to be the same.
* Adjust if there are holes expected in any NPS domain.
*/
- if (range_cnt != exp_ranges) {
+ if (*exp_ranges && (range_cnt != *exp_ranges)) {
dev_warn(
adev->dev,
"NPS config mismatch - expected ranges: %d discovery - nps mode: %d, nps ranges: %d",
- exp_ranges, nps_type, range_cnt);
+ *exp_ranges, nps_type, range_cnt);
ret = -EINVAL;
goto err;
}
- for (i = 0; i < exp_ranges; ++i) {
+ for (i = 0; i < range_cnt; ++i) {
if (ranges[i].base_address >= ranges[i].limit_address) {
dev_warn(
adev->dev,
@@ -1315,6 +1315,8 @@ int amdgpu_gmc_get_nps_memranges(struct amdgpu_device *adev,
ranges[i].limit_address - ranges[i].base_address + 1;
}
+ if (!*exp_ranges)
+ *exp_ranges = range_cnt;
err:
kfree(ranges);