Commit b965e425 authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Fix logic to fetch supported NPS modes 



Correct the logic to find supported NPS modes from firmware.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reported-by: default avatarAva Zhang <niandong.zhang@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Fixes: 30eb41f5 ("drm/amdgpu: Use firmware supported NPS modes")
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 906d2859

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

+2 −3
Original line number Diff line number Diff line
@@ -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;

		}