Proxmox-Port/linux-loongson
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson synced 2025-09-10 01:17:17 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/amdgpu: Use firmware supported NPS modes

Browse Source 
If firmware supported NPS modes are available through CAP register, use
those values for supported NPS modes.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2024-11-27 11:46:06 +05:30 committed by Alex Deucher
parent b2a9e562df
commit 30eb41f5d1
1 changed files with 26 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
View File

@ -1594,11 +1594,26 @@ static void gmc_v9_0_set_xgmi_ras_funcs(struct amdgpu_device *adev)
static void gmc_v9_0_init_nps_details(struct amdgpu_device *adev)
{
enum amdgpu_memory_partition mode;
uint32_t supp_modes;
int i;
adev->gmc.supported_nps_modes = 0;
if (amdgpu_sriov_vf(adev) || (adev->flags & AMD_IS_APU))
return;
mode = gmc_v9_0_get_memory_partition(adev, &supp_modes);
/* 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))
adev->gmc.supported_nps_modes |= BIT(i);
supp_modes &= supp_modes - 1;
}
} else {
/*TODO: Check PSP version also which supports NPS switch. Otherwise keep
* supported modes as 0.
*/
@ -1613,6 +1628,7 @@ static void gmc_v9_0_init_nps_details(struct amdgpu_device *adev)
break;
}
}
}
static int gmc_v9_0_early_init(struct amdgpu_ip_block *ip_block)
{