diff options
| author | Xiaolin Zhang <xiaolin.zhang@intel.com> | 2017-09-08 16:37:48 +0300 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2017-11-16 06:46:07 +0300 |
| commit | a58c38aa6cdf0d00727cafd85cd2354dec46401a (patch) | |
| tree | b1382cf831fa24252aa691171ecb7f50f37999fa /drivers/gpu/drm/i915/gvt/reg.h | |
| parent | 34cc9efc27e2623c76a69d2ad1fa2b972e27a2c1 (diff) | |
| download | linux-a58c38aa6cdf0d00727cafd85cd2354dec46401a.tar.xz | |
drm/i915/gvt: Add support for opregion virtualization
opregion emulated with a copy from host which leads to some display
bugs such as guest resolution adjustment failure due to host opregion
fail to claim port D support. with a fake opregion table provided
to fully emulate opregion to meet guest port requirement.
v1 - initial patch
v2 - reforamt opregion arrary with 0x02x output
v3 - opregion array removed with opregion generation on host initizaiton
v4 - rebased v3 patch from stable branch to staging branch which also has
different struct child_device_config and addressed v3 review comments.
Signed-off-by: Xiaolin Zhang <xiaolin.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/reg.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/reg.h b/drivers/gpu/drm/i915/gvt/reg.h index 7d01c77a0f7a..83f2f63d7eeb 100644 --- a/drivers/gpu/drm/i915/gvt/reg.h +++ b/drivers/gpu/drm/i915/gvt/reg.h @@ -51,6 +51,9 @@ #define INTEL_GVT_OPREGION_PAGES 2 #define INTEL_GVT_OPREGION_SIZE (INTEL_GVT_OPREGION_PAGES * PAGE_SIZE) +#define INTEL_GVT_OPREGION_VBT_OFFSET 0x400 +#define INTEL_GVT_OPREGION_VBT_SIZE \ + (INTEL_GVT_OPREGION_SIZE - INTEL_GVT_OPREGION_VBT_OFFSET) #define VGT_SPRSTRIDE(pipe) _PIPE(pipe, _SPRA_STRIDE, _PLANE_STRIDE_2_B) |