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drm/i915/gvt: Add framebuffer decoder support

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This patch is to introduce the framebuffer decoder which can decode guest
OS's framebuffer information, including primary, cursor and sprite plane.

v16:
- rebase to 4.14.0-rc6.

v14:
- refine pixel format table. (Zhenyu)

v9:
- move drm format change to a separate patch. (Xiaoguang)

v8:
- fix a bug in decoding primary plane. (Tina)

v7:
- refine framebuffer decoder code. (Zhenyu)

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Tina Zhang
2017-11-23 16:26:32 +08:00
committed by Zhenyu Wang
parent b851adeac0
commit 9f31d1063b
6 changed files with 682 additions and 2 deletions
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2
drivers/gpu/drm/i915/gvt/display.c
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@@ -67,7 +67,7 @@ static int edp_pipe_is_enabled(struct intel_vgpu *vgpu)
return 1;
}
static int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe)
int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;