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| author | Jakub Kicinski <[email protected]> | 2025-06-12 17:08:24 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2025-06-12 17:09:10 +0000 |
| commit | 535de528015b56e34a40a8e1eb1629fadf809a84 (patch) | |
| tree | f0287cdc9d13798b0e723541f51d1dfd8c99c50c /drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c | |
| parent | Merge branch 'net-bcmgenet-add-support-for-gro-software-interrupt-coalescing' (diff) | |
| parent | Merge tag 'net-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff) | |
| download | kernel-535de528015b56e34a40a8e1eb1629fadf809a84.tar.gz kernel-535de528015b56e34a40a8e1eb1629fadf809a84.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc2).
No conflicts or adjacent changes.
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c index a09f9a2dd471..16ade84facc7 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c @@ -1254,6 +1254,11 @@ static void vcn_v4_0_5_stop_dpg_mode(struct amdgpu_vcn_inst *vinst) /* disable dynamic power gating mode */ WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0, ~UVD_POWER_STATUS__UVD_PG_MODE_MASK); + + /* Keeping one read-back to ensure all register writes are done, + * otherwise it may introduce race conditions. + */ + RREG32_SOC15(VCN, inst_idx, regUVD_STATUS); } /** @@ -1337,6 +1342,11 @@ static int vcn_v4_0_5_stop(struct amdgpu_vcn_inst *vinst) /* enable VCN power gating */ vcn_v4_0_5_enable_static_power_gating(vinst); + /* Keeping one read-back to ensure all register writes are done, + * otherwise it may introduce race conditions. + */ + RREG32_SOC15(VCN, i, regUVD_STATUS); + done: if (adev->pm.dpm_enabled) amdgpu_dpm_enable_vcn(adev, false, i); |