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| author | Colin Xu <colin.xu@intel.com> | 2020-12-01 14:03:29 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-14 09:50:00 +0200 |
| commit | f6c5cc6febbe7f227441b7c37037f343d35ab2bc (patch) | |
| tree | 4093310355913a3b36f953fd4b53e2395f4dbaed /drivers/gpu/drm/qxl/qxl_cmd.c | |
| parent | 92b82770e9ba06230b36660d0c7209c0bdba7cfc (diff) | |
| download | kernel_replicant_linux-f6c5cc6febbe7f227441b7c37037f343d35ab2bc.tar.gz kernel_replicant_linux-f6c5cc6febbe7f227441b7c37037f343d35ab2bc.tar.bz2 kernel_replicant_linux-f6c5cc6febbe7f227441b7c37037f343d35ab2bc.zip | |
drm/i915/gvt: Fix vfio_edid issue for BXT/APL
commit 4ceb06e7c336f4a8d3f3b6ac9a4fea2e9c97dc07 upstream.
BXT/APL has different isr/irr/hpd regs compared with other GEN9. If not
setting these regs bits correctly according to the emulated monitor
(currently a DP on PORT_B), although gvt still triggers a virtual HPD
event, the guest driver won't detect a valid HPD pulse thus no full
display detection will be executed to read the updated EDID.
With this patch, the vfio_edid is enabled again on BXT/APL, which is
previously disabled.
Fixes: 642403e3599e ("drm/i915/gvt: Temporarily disable vfio_edid for BXT/APL")
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201201060329.142375-1-colin.xu@intel.com
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_cmd.c')
0 files changed, 0 insertions, 0 deletions