diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-04-20 09:41:32 -0400 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-04-20 09:41:32 -0400 |
| commit | 2d292995bb8f49a2596bef522679c1e1454f3230 (patch) | |
| tree | eebb519da87566cbfa2182df6c9e57e5ba672fab | |
| parent | d2b9935d65dab6e92beb33c150c1a6ded14ab670 (diff) | |
| parent | 6b5b2a5bcfe9a250da19bac4ef7cabdc81d154ec (diff) | |
Merge tag 'gvt-fixes-2021-04-20' of https://github.com/intel/gvt-linux into drm-intel-fixes
gvt-fixes-2021-04-20
- Fix cmd parser regression on BDW (Zhenyu)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210420023312.GL1551@zhen-hp.sh.intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index fef1e857cefc..01c1d1b36acd 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -916,19 +916,26 @@ static int cmd_reg_handler(struct parser_exec_state *s, if (!strncmp(cmd, "srm", 3) || !strncmp(cmd, "lrm", 3)) { - if (offset != i915_mmio_reg_offset(GEN8_L3SQCREG4) && - offset != 0x21f0) { + if (offset == i915_mmio_reg_offset(GEN8_L3SQCREG4) || + offset == 0x21f0 || + (IS_BROADWELL(gvt->gt->i915) && + offset == i915_mmio_reg_offset(INSTPM))) + return 0; + else { gvt_vgpu_err("%s access to register (%x)\n", cmd, offset); return -EPERM; - } else - return 0; + } } if (!strncmp(cmd, "lrr-src", 7) || !strncmp(cmd, "lrr-dst", 7)) { - gvt_vgpu_err("not allowed cmd %s\n", cmd); - return -EPERM; + if (IS_BROADWELL(gvt->gt->i915) && offset == 0x215c) + return 0; + else { + gvt_vgpu_err("not allowed cmd %s reg (%x)\n", cmd, offset); + return -EPERM; + } } if (!strncmp(cmd, "pipe_ctrl", 9)) { |