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drm/amdgpu: Fix logic to fetch supported NPS modes

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Correct the logic to find supported NPS modes from firmware.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reported-by: Ava Zhang <niandong.zhang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Fixes: 30eb41f5d1 ("drm/amdgpu: Use firmware supported NPS modes")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2025-02-25 16:21:51 +05:30 committed by Alex Deucher
parent 906d2859e1
commit b965e42530
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
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@ -1607,9 +1607,8 @@ static void gmc_v9_0_init_nps_details(struct amdgpu_device *adev)
/* Mode detected by hardware and supported modes available */
if ((mode != UNKNOWN_MEMORY_PARTITION_MODE) && supp_modes) {
for (i = AMDGPU_NPS1_PARTITION_MODE;
supp_modes && i <= AMDGPU_NPS8_PARTITION_MODE; i++) {
if (supp_modes & BIT(i - 1))
while ((i = ffs(supp_modes))) {
if (AMDGPU_ALL_NPS_MASK & BIT(i))
adev->gmc.supported_nps_modes |= BIT(i);
supp_modes &= supp_modes - 1;
}