github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-11-06 06:02:03 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu: correct mcm_addr_lut value for gc v12_1

Browse Source 
Correct GFX_IMU_MCM_ADDR_LUT_PF register value to suit
for xcc harvest situation.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Jinzhou Su <jinzhou.su@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2025-08-27 22:17:48 +08:00 committed by Alex Deucher
parent b30841ae9a
commit 8fad652e72
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/amd/amdgpu/imu_v12_1.c
View File

@ -218,16 +218,20 @@ static void imu_v12_1_init_mcm_addr_lut(struct amdgpu_device *adev)
* XCD6:: Bits-[27:24] AID-10 XCD-10
* XCD7:: Bits-[31:28] AID-10 XCD-11
*/
int data = 0xba987654;
int i, num_xcc, partition_num, encode_data;
int data, encode_data;
int i, j, num_xcc;
num_xcc = NUM_XCC(adev->gfx.xcc_mask);
for (i = 0; i < num_xcc; i++) {
partition_num = GET_INST(GC, i) / adev->gfx.num_xcc_per_xcp;
encode_data = (data >> (partition_num * adev->gfx.num_xcc_per_xcp * 4)) &
GENMASK(adev->gfx.num_xcc_per_xcp * 4 - 1, 0);
WREG32_SOC15(GC, GET_INST(GC, i),
regGFX_IMU_MCM_ADDR_LUT_PF, encode_data);
for (i = 0; i < (num_xcc / adev->gfx.num_xcc_per_xcp); i++) {
encode_data = 0;
for (j = 0; j < adev->gfx.num_xcc_per_xcp; j++) {
data = ((GET_INST(GC, i * adev->gfx.num_xcc_per_xcp + j) / 4 + 1) << 2) |
(GET_INST(GC, i * adev->gfx.num_xcc_per_xcp + j) % 4);
encode_data |= data << (j * 4);
}
for (j = 0; j < adev->gfx.num_xcc_per_xcp; j++)
WREG32_SOC15(GC, GET_INST(GC, i * adev->gfx.num_xcc_per_xcp + j),
regGFX_IMU_MCM_ADDR_LUT_PF, encode_data);
}
}