From: Colin Xu Date: Mon, 11 Jun 2018 15:39:38 +0800 Subject: drm/i915/gvt: Enable dma_buf support for BXT. Git-commit: 84eb04f6d77a824b33da11a08118ed2766038f13 Patch-mainline: v4.19-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 Handle dma_buf on BXT as SKL and KBL. Signed-off-by: Colin Xu Signed-off-by: Zhenyu Wang Acked-by: Petr Tesarik --- drivers/gpu/drm/i915/gvt/dmabuf.c | 4 +++- drivers/gpu/drm/i915/gvt/fb_decoder.c | 12 +++++++++--- 2 files changed, 12 insertions(+), 4 deletions(-) --- a/drivers/gpu/drm/i915/gvt/dmabuf.c +++ b/drivers/gpu/drm/i915/gvt/dmabuf.c @@ -164,7 +164,9 @@ static struct drm_i915_gem_object *vgpu_ obj->read_domains = I915_GEM_DOMAIN_GTT; obj->write_domain = 0; - if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { + if (IS_SKYLAKE(dev_priv) + || IS_KABYLAKE(dev_priv) + || IS_BROXTON(dev_priv)) { unsigned int tiling_mode = 0; unsigned int stride = 0; --- a/drivers/gpu/drm/i915/gvt/fb_decoder.c +++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c @@ -151,7 +151,9 @@ static u32 intel_vgpu_get_stride(struct u32 stride_reg = vgpu_vreg_t(vgpu, DSPSTRIDE(pipe)) & stride_mask; u32 stride = stride_reg; - if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { + if (IS_SKYLAKE(dev_priv) + || IS_KABYLAKE(dev_priv) + || IS_BROXTON(dev_priv)) { switch (tiled) { case PLANE_CTL_TILED_LINEAR: stride = stride_reg * 64; @@ -215,7 +217,9 @@ int intel_vgpu_decode_primary_plane(stru if (!plane->enabled) return -ENODEV; - if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { + if (IS_SKYLAKE(dev_priv) + || IS_KABYLAKE(dev_priv) + || IS_BROXTON(dev_priv)) { plane->tiled = (val & PLANE_CTL_TILED_MASK) >> _PLANE_CTL_TILED_SHIFT; fmt = skl_format_to_drm( @@ -257,7 +261,9 @@ int intel_vgpu_decode_primary_plane(stru } plane->stride = intel_vgpu_get_stride(vgpu, pipe, (plane->tiled << 10), - (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) ? + (IS_SKYLAKE(dev_priv) + || IS_KABYLAKE(dev_priv) + || IS_BROXTON(dev_priv)) ? (_PRI_PLANE_STRIDE_MASK >> 6) : _PRI_PLANE_STRIDE_MASK, plane->bpp);