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drm/vmwgfx: Sync legacy multisampling device capability

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In favor of SM4.1 multisampling capability, virtual device deprecated
old multisampling device capability. Mark legacy multisampling device
capability as dead. Rename the function that masks legacy multisample
capability to reflect that now it is masking a deprecated feature.

Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Reviewed-by: Thomas Hellström (VMware) <thomas_os@shipmail.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Deepak Rawat 2018-12-13 11:51:14 -08:00 committed by Roland Scheidegger
parent ef7c7b7497
commit 0652ff3363
2 changed files with 16 additions and 8 deletions
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13
drivers/gpu/drm/vmwgfx/device_include/svga3d_devcaps.h
View File

@ -163,10 +163,15 @@ typedef enum {
SVGA3D_DEVCAP_SURFACEFMT_A16B16G16R16 = 67,
SVGA3D_DEVCAP_SURFACEFMT_UYVY = 68,
SVGA3D_DEVCAP_SURFACEFMT_YUY2 = 69,
SVGA3D_DEVCAP_MULTISAMPLE_NONMASKABLESAMPLES = 70,
SVGA3D_DEVCAP_MULTISAMPLE_MASKABLESAMPLES = 71,
SVGA3D_DEVCAP_ALPHATOCOVERAGE = 72,
SVGA3D_DEVCAP_SUPERSAMPLE = 73,
/*
* Deprecated.
*/
SVGA3D_DEVCAP_DEAD4 = 70,
SVGA3D_DEVCAP_DEAD5 = 71,
SVGA3D_DEVCAP_DEAD7 = 72,
SVGA3D_DEVCAP_DEAD6 = 73,
SVGA3D_DEVCAP_AUTOGENMIPMAPS = 74,
SVGA3D_DEVCAP_SURFACEFMT_NV12 = 75,
SVGA3D_DEVCAP_SURFACEFMT_AYUV = 76,

11
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
View File

@ -126,14 +126,17 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
return 0;
}
static u32 vmw_mask_multisample(unsigned int cap, u32 fmt_value)
static u32 vmw_mask_legacy_multisample(unsigned int cap, u32 fmt_value)
{
/*
* A version of user-space exists which use MULTISAMPLE_MASKABLESAMPLES
* to check the sample count supported by virtual device. Since there
* never was support for multisample count for backing MOB return 0.
*
* MULTISAMPLE_MASKABLESAMPLES devcap is marked as deprecated by virtual
* device.
*/
if (cap == SVGA3D_DEVCAP_MULTISAMPLE_MASKABLESAMPLES)
if (cap == SVGA3D_DEVCAP_DEAD5)
return 0;
return fmt_value;
@ -164,7 +167,7 @@ static int vmw_fill_compat_cap(struct vmw_private *dev_priv, void *bounce,
for (i = 0; i < max_size; ++i) {
vmw_write(dev_priv, SVGA_REG_DEV_CAP, i);
compat_cap->pairs[i][0] = i;
compat_cap->pairs[i][1] = vmw_mask_multisample
compat_cap->pairs[i][1] = vmw_mask_legacy_multisample
(i, vmw_read(dev_priv, SVGA_REG_DEV_CAP));
}
spin_unlock(&dev_priv->cap_lock);
@ -220,7 +223,7 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
spin_lock(&dev_priv->cap_lock);
for (i = 0; i < num; ++i) {
vmw_write(dev_priv, SVGA_REG_DEV_CAP, i);
*bounce32++ = vmw_mask_multisample
*bounce32++ = vmw_mask_legacy_multisample
(i, vmw_read(dev_priv, SVGA_REG_DEV_CAP));
}
spin_unlock(&dev_priv->cap_lock);