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authorLijo Lazar <lijo.lazar@amd.com>2022-02-18 15:04:35 +0530
committerAlex Deucher <alexander.deucher@amd.com>2023-06-09 09:42:17 -0400
commite6a02e2cc7fe3fec05eeaf08855e57d616a037e1 (patch)
tree6e0c87f239d3bd56b93e4fc5810d12b0f955eb79 /drivers
parent15091a6f4380a0c1a7202d52e82cdaaf80e2bb70 (diff)
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drm/amdgpu: Add some XCC programming
Add additional XCC programming sequences. 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index ce64c4fc5f1a..232feb387a40 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -1150,6 +1150,29 @@ static void gfx_v9_4_3_disable_gpa_mode(struct amdgpu_device *adev, int xcc_id)
WREG32_SOC15(GC, xcc_id, regCPC_PSP_DEBUG, data);
}
+static void gfx_v9_4_3_program_xcc_id(struct amdgpu_device *adev, int xcc_id)
+{
+ uint32_t tmp = 0;
+
+ switch (adev->gfx.num_xcd) {
+ /* directly config VIRTUAL_XCC_ID to 0 for 1-XCC */
+ case 1:
+ WREG32_SOC15(GC, xcc_id, regCP_HYP_XCP_CTL, 0x8);
+ break;
+ case 2:
+ tmp = (xcc_id % adev->gfx.num_xcc_per_xcp) << REG_FIELD_SHIFT(CP_HYP_XCP_CTL, VIRTUAL_XCC_ID);
+ tmp = tmp | (adev->gfx.num_xcd << REG_FIELD_SHIFT(CP_HYP_XCP_CTL, NUM_XCC_IN_XCP));
+ WREG32_SOC15(GC, xcc_id, regCP_HYP_XCP_CTL, tmp);
+
+ tmp = xcc_id << REG_FIELD_SHIFT(CP_PSP_XCP_CTL, PHYSICAL_XCC_ID);
+ tmp = tmp | (xcc_id << REG_FIELD_SHIFT(CP_PSP_XCP_CTL, XCC_DIE_ID));
+ WREG32_SOC15(GC, xcc_id, regCP_PSP_XCP_CTL, tmp);
+ break;
+ default:
+ break;
+ }
+}
+
static bool gfx_v9_4_3_is_rlc_enabled(struct amdgpu_device *adev)
{
uint32_t rlc_setting;
@@ -1948,6 +1971,9 @@ static int gfx_v9_4_3_cp_resume(struct amdgpu_device *adev)
return r;
}
+ /* set the virtual and physical id based on partition_mode */
+ gfx_v9_4_3_program_xcc_id(adev, i);
+
r = gfx_v9_4_3_kiq_resume(adev, i);
if (r)
return r;