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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-03 13:53:20 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-03 13:53:20 +0200 |
| commit | 888dc273ea4e7ca332a6f73d10dfc8f2b212c803 (patch) | |
| tree | 0c2154dfa92ca6ee761c358e58a3e35831558bb5 /drivers/gpu/drm/i915/gvt/cmd_parser.c | |
| parent | tty: cpm_uart: drop unused iflag macro (diff) | |
| parent | Linux 5.2-rc3 (diff) | |
| download | linux-dev-888dc273ea4e7ca332a6f73d10dfc8f2b212c803.tar.xz linux-dev-888dc273ea4e7ca332a6f73d10dfc8f2b212c803.zip | |
Merge 5.2-rc3 into tty-next
We want the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/cmd_parser.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index ab002cfd3cab..5cb59c0b4bbe 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -896,12 +896,16 @@ static int cmd_reg_handler(struct parser_exec_state *s, } /* TODO - * Right now only scan LRI command on KBL and in inhibit context. - * It's good enough to support initializing mmio by lri command in - * vgpu inhibit context on KBL. + * In order to let workload with inhibit context to generate + * correct image data into memory, vregs values will be loaded to + * hw via LRIs in the workload with inhibit context. But as + * indirect context is loaded prior to LRIs in workload, we don't + * want reg values specified in indirect context overwritten by + * LRIs in workloads. So, when scanning an indirect context, we + * update reg values in it into vregs, so LRIs in workload with + * inhibit context will restore with correct values */ - if ((IS_KABYLAKE(s->vgpu->gvt->dev_priv) - || IS_COFFEELAKE(s->vgpu->gvt->dev_priv)) && + if (IS_GEN(gvt->dev_priv, 9) && intel_gvt_mmio_is_in_ctx(gvt, offset) && !strncmp(cmd, "lri", 3)) { intel_gvt_hypervisor_read_gpa(s->vgpu, |