/**
* intel_vgpu_reset_mmio - reset virtual MMIO space
* @vgpu: a vGPU
*
*/
void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr)
{
struct intel_gvt *gvt = vgpu->gvt;
const struct intel_gvt_device_info *info = &gvt->device_info;
void *mmio = gvt->firmware.mmio;
if (dmlr) {
memcpy(vgpu->mmio.vreg, mmio, info->mmio_size);
memcpy(vgpu->mmio.sreg, mmio, info->mmio_size);
vgpu_vreg_t(vgpu, GEN6_GT_THREAD_STATUS_REG) = 0;
/* set the bit 0:2(Core C-State ) to C0 */
vgpu_vreg_t(vgpu, GEN6_GT_CORE_STATUS) = 0;
} else {
#define GVT_GEN8_MMIO_RESET_OFFSET (0x44200)
/* only reset the engine related, so starting with 0x44200
* interrupt include DE,display mmio related will not be
* touched
*/
memcpy(vgpu->mmio.vreg, mmio, GVT_GEN8_MMIO_RESET_OFFSET);
memcpy(vgpu->mmio.sreg, mmio, GVT_GEN8_MMIO_RESET_OFFSET);
}
}
/**
* intel_vgpu_decode_cursor_plane - Decode sprite plane
* @vgpu: input vgpu
* @plane: cursor plane to save decoded info
* This function is called for decoding plane
*
* Returns:
* 0 on success, non-zero if failed.
*/
int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu,
struct intel_vgpu_cursor_plane_format *plane)
{
u32 val, mode, index;
u32 alpha_plane, alpha_force;
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
int pipe;
pipe = get_active_pipe(vgpu);
if (pipe >= I915_MAX_PIPES)
return -ENODEV;
val = vgpu_vreg_t(vgpu, CURCNTR(pipe));
mode = val & MCURSOR_MODE;
plane->enabled = (mode != MCURSOR_MODE_DISABLE);
if (!plane->enabled)
return -ENODEV;
index = cursor_mode_to_drm(mode);
if (!cursor_pixel_formats[index].bpp) {
gvt_vgpu_err("Non-supported cursor mode (0x%x)\n", mode);
return -EINVAL;
}
plane->mode = mode;
plane->bpp = cursor_pixel_formats[index].bpp;
plane->drm_format = cursor_pixel_formats[index].drm_format;
plane->width = cursor_pixel_formats[index].width;
plane->height = cursor_pixel_formats[index].height;
alpha_plane = (val & _CURSOR_ALPHA_PLANE_MASK) >>
_CURSOR_ALPHA_PLANE_SHIFT;
alpha_force = (val & _CURSOR_ALPHA_FORCE_MASK) >>
_CURSOR_ALPHA_FORCE_SHIFT;
if (alpha_plane || alpha_force)
gvt_dbg_core("alpha_plane=0x%x, alpha_force=0x%x\n",
alpha_plane, alpha_force);
plane->base = vgpu_vreg_t(vgpu, CURBASE(pipe)) & I915_GTT_PAGE_MASK;
if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0))
return -EINVAL;
plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base);
if (plane->base_gpa == INTEL_GVT_INVALID_ADDR) {
gvt_vgpu_err("Translate cursor plane gma 0x%x to gpa fail\n",
plane->base);
return -EINVAL;
}
val = vgpu_vreg_t(vgpu, CURPOS(pipe));
plane->x_pos = (val & _CURSOR_POS_X_MASK) >> _CURSOR_POS_X_SHIFT;
plane->x_sign = (val & _CURSOR_SIGN_X_MASK) >> _CURSOR_SIGN_X_SHIFT;
plane->y_pos = (val & _CURSOR_POS_Y_MASK) >> _CURSOR_POS_Y_SHIFT;
plane->y_sign = (val & _CURSOR_SIGN_Y_MASK) >> _CURSOR_SIGN_Y_SHIFT;
plane->x_hot = vgpu_vreg_t(vgpu, vgtif_reg(cursor_x_hot));
plane->y_hot = vgpu_vreg_t(vgpu, vgtif_reg(cursor_y_hot));
return 0;
}
static u32 intel_vgpu_get_stride(struct intel_vgpu *vgpu, int pipe,
u32 tiled, int stride_mask, int bpp)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
u32 stride_reg = vgpu_vreg_t(vgpu, DSPSTRIDE(pipe)) & stride_mask;
u32 stride = stride_reg;
if (IS_SKYLAKE(dev_priv)
|| IS_KABYLAKE(dev_priv)
|| IS_BROXTON(dev_priv)) {
switch (tiled) {
case PLANE_CTL_TILED_LINEAR:
stride = stride_reg * 64;
break;
case PLANE_CTL_TILED_X:
stride = stride_reg * 512;
break;
case PLANE_CTL_TILED_Y:
stride = stride_reg * 128;
break;
case PLANE_CTL_TILED_YF:
if (bpp == 8)
stride = stride_reg * 64;
else if (bpp == 16 || bpp == 32 || bpp == 64)
stride = stride_reg * 128;
else
gvt_dbg_core("skl: unsupported bpp:%d\n", bpp);
break;
default:
gvt_dbg_core("skl: unsupported tile format:%x\n",
tiled);
}
}
return stride;
}
/**
* intel_vgpu_reset_mmio - reset virtual MMIO space
* @vgpu: a vGPU
* @dmlr: whether this is device model level reset
*/
void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr)
{
struct intel_gvt *gvt = vgpu->gvt;
const struct intel_gvt_device_info *info = &gvt->device_info;
void *mmio = gvt->firmware.mmio;
if (dmlr) {
memcpy(vgpu->mmio.vreg, mmio, info->mmio_size);
memcpy(vgpu->mmio.sreg, mmio, info->mmio_size);
vgpu_vreg_t(vgpu, GEN6_GT_THREAD_STATUS_REG) = 0;
/* set the bit 0:2(Core C-State ) to C0 */
vgpu_vreg_t(vgpu, GEN6_GT_CORE_STATUS) = 0;
if (IS_BROXTON(vgpu->gvt->dev_priv)) {
vgpu_vreg_t(vgpu, BXT_P_CR_GT_DISP_PWRON) &=
~(BIT(0) | BIT(1));
vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &=
~PHY_POWER_GOOD;
vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &=
~PHY_POWER_GOOD;
vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY0)) &=
~BIT(30);
vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY1)) &=
~BIT(30);
vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_A)) &=
~BXT_PHY_LANE_ENABLED;
vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_A)) |=
BXT_PHY_CMNLANE_POWERDOWN_ACK |
BXT_PHY_LANE_POWERDOWN_ACK;
vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_B)) &=
~BXT_PHY_LANE_ENABLED;
vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_B)) |=
BXT_PHY_CMNLANE_POWERDOWN_ACK |
BXT_PHY_LANE_POWERDOWN_ACK;
vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_C)) &=
~BXT_PHY_LANE_ENABLED;
vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_C)) |=
BXT_PHY_CMNLANE_POWERDOWN_ACK |
BXT_PHY_LANE_POWERDOWN_ACK;
}
} else {
#define GVT_GEN8_MMIO_RESET_OFFSET (0x44200)
/* only reset the engine related, so starting with 0x44200
* interrupt include DE,display mmio related will not be
* touched
*/
memcpy(vgpu->mmio.vreg, mmio, GVT_GEN8_MMIO_RESET_OFFSET);
memcpy(vgpu->mmio.sreg, mmio, GVT_GEN8_MMIO_RESET_OFFSET);
}
}
void populate_pvinfo_page(struct intel_vgpu *vgpu)
{
/* setup the ballooning information */
vgpu_vreg64_t(vgpu, vgtif_reg(magic)) = VGT_MAGIC;
vgpu_vreg_t(vgpu, vgtif_reg(version_major)) = 1;
vgpu_vreg_t(vgpu, vgtif_reg(version_minor)) = 0;
vgpu_vreg_t(vgpu, vgtif_reg(display_ready)) = 0;
vgpu_vreg_t(vgpu, vgtif_reg(vgt_id)) = vgpu->id;
vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_48BIT_PPGTT;
vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) |= VGT_CAPS_HWSP_EMULATION;
vgpu_vreg_t(vgpu, vgtif_reg(avail_rs.mappable_gmadr.base)) =
vgpu_aperture_gmadr_base(vgpu);
vgpu_vreg_t(vgpu, vgtif_reg(avail_rs.mappable_gmadr.size)) =
vgpu_aperture_sz(vgpu);
vgpu_vreg_t(vgpu, vgtif_reg(avail_rs.nonmappable_gmadr.base)) =
vgpu_hidden_gmadr_base(vgpu);
vgpu_vreg_t(vgpu, vgtif_reg(avail_rs.nonmappable_gmadr.size)) =
vgpu_hidden_sz(vgpu);
vgpu_vreg_t(vgpu, vgtif_reg(avail_rs.fence_num)) = vgpu_fence_sz(vgpu);
gvt_dbg_core("Populate PVINFO PAGE for vGPU %d\n", vgpu->id);
gvt_dbg_core("aperture base [GMADR] 0x%llx size 0x%llx\n",
vgpu_aperture_gmadr_base(vgpu), vgpu_aperture_sz(vgpu));
gvt_dbg_core("hidden base [GMADR] 0x%llx size=0x%llx\n",
vgpu_hidden_gmadr_base(vgpu), vgpu_hidden_sz(vgpu));
gvt_dbg_core("fence size %d\n", vgpu_fence_sz(vgpu));
WARN_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
}
/**
* intel_vgpu_decode_sprite_plane - Decode sprite plane
* @vgpu: input vgpu
* @plane: sprite plane to save decoded info
* This function is called for decoding plane
*
* Returns:
* 0 on success, non-zero if failed.
*/
int intel_vgpu_decode_sprite_plane(struct intel_vgpu *vgpu,
struct intel_vgpu_sprite_plane_format *plane)
{
u32 val, fmt;
u32 color_order, yuv_order;
int drm_format;
int pipe;
pipe = get_active_pipe(vgpu);
if (pipe >= I915_MAX_PIPES)
return -ENODEV;
val = vgpu_vreg_t(vgpu, SPRCTL(pipe));
plane->enabled = !!(val & SPRITE_ENABLE);
if (!plane->enabled)
return -ENODEV;
plane->tiled = !!(val & SPRITE_TILED);
color_order = !!(val & SPRITE_RGB_ORDER_RGBX);
yuv_order = (val & SPRITE_YUV_BYTE_ORDER_MASK) >>
_SPRITE_YUV_ORDER_SHIFT;
fmt = (val & SPRITE_PIXFORMAT_MASK) >> _SPRITE_FMT_SHIFT;
if (!sprite_pixel_formats[fmt].bpp) {
gvt_vgpu_err("Non-supported pixel format (0x%x)\n", fmt);
return -EINVAL;
}
plane->hw_format = fmt;
plane->bpp = sprite_pixel_formats[fmt].bpp;
drm_format = sprite_pixel_formats[fmt].drm_format;
/* Order of RGB values in an RGBxxx buffer may be ordered RGB or
* BGR depending on the state of the color_order field
*/
if (!color_order) {
if (drm_format == DRM_FORMAT_XRGB2101010)
drm_format = DRM_FORMAT_XBGR2101010;
else if (drm_format == DRM_FORMAT_XRGB8888)
drm_format = DRM_FORMAT_XBGR8888;
}
if (drm_format == DRM_FORMAT_YUV422) {
switch (yuv_order) {
case 0:
drm_format = DRM_FORMAT_YUYV;
break;
case 1:
drm_format = DRM_FORMAT_UYVY;
break;
case 2:
drm_format = DRM_FORMAT_YVYU;
break;
case 3:
drm_format = DRM_FORMAT_VYUY;
break;
default:
/* yuv_order has only 2 bits */
break;
}
}
plane->drm_format = drm_format;
plane->base = vgpu_vreg_t(vgpu, SPRSURF(pipe)) & I915_GTT_PAGE_MASK;
if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0))
return -EINVAL;
plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base);
if (plane->base_gpa == INTEL_GVT_INVALID_ADDR) {
gvt_vgpu_err("Translate sprite plane gma 0x%x to gpa fail\n",
plane->base);
return -EINVAL;
}
plane->stride = vgpu_vreg_t(vgpu, SPRSTRIDE(pipe)) &
_SPRITE_STRIDE_MASK;
val = vgpu_vreg_t(vgpu, SPRSIZE(pipe));
plane->height = (val & _SPRITE_SIZE_HEIGHT_MASK) >>
_SPRITE_SIZE_HEIGHT_SHIFT;
plane->width = (val & _SPRITE_SIZE_WIDTH_MASK) >>
_SPRITE_SIZE_WIDTH_SHIFT;
plane->height += 1; /* raw height is one minus the real value */
plane->width += 1; /* raw width is one minus the real value */
val = vgpu_vreg_t(vgpu, SPRPOS(pipe));
plane->x_pos = (val & _SPRITE_POS_X_MASK) >> _SPRITE_POS_X_SHIFT;
plane->y_pos = (val & _SPRITE_POS_Y_MASK) >> _SPRITE_POS_Y_SHIFT;
val = vgpu_vreg_t(vgpu, SPROFFSET(pipe));
plane->x_offset = (val & _SPRITE_OFFSET_START_X_MASK) >>
_SPRITE_OFFSET_START_X_SHIFT;
plane->y_offset = (val & _SPRITE_OFFSET_START_Y_MASK) >>
_SPRITE_OFFSET_START_Y_SHIFT;
return 0;
}
/**
* intel_vgpu_decode_primary_plane - Decode primary plane
* @vgpu: input vgpu
* @plane: primary plane to save decoded info
* This function is called for decoding plane
*
* Returns:
* 0 on success, non-zero if failed.
*/
int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,
struct intel_vgpu_primary_plane_format *plane)
{
u32 val, fmt;
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
int pipe;
pipe = get_active_pipe(vgpu);
if (pipe >= I915_MAX_PIPES)
return -ENODEV;
val = vgpu_vreg_t(vgpu, DSPCNTR(pipe));
plane->enabled = !!(val & DISPLAY_PLANE_ENABLE);
if (!plane->enabled)
return -ENODEV;
if (IS_SKYLAKE(dev_priv)
|| IS_KABYLAKE(dev_priv)
|| IS_BROXTON(dev_priv)) {
plane->tiled = val & PLANE_CTL_TILED_MASK;
fmt = skl_format_to_drm(
val & PLANE_CTL_FORMAT_MASK,
val & PLANE_CTL_ORDER_RGBX,
val & PLANE_CTL_ALPHA_MASK,
val & PLANE_CTL_YUV422_ORDER_MASK);
if (fmt >= ARRAY_SIZE(skl_pixel_formats)) {
gvt_vgpu_err("Out-of-bounds pixel format index\n");
return -EINVAL;
}
plane->bpp = skl_pixel_formats[fmt].bpp;
plane->drm_format = skl_pixel_formats[fmt].drm_format;
} else {
plane->tiled = val & DISPPLANE_TILED;
fmt = bdw_format_to_drm(val & DISPPLANE_PIXFORMAT_MASK);
plane->bpp = bdw_pixel_formats[fmt].bpp;
plane->drm_format = bdw_pixel_formats[fmt].drm_format;
}
if (!plane->bpp) {
gvt_vgpu_err("Non-supported pixel format (0x%x)\n", fmt);
return -EINVAL;
}
plane->hw_format = fmt;
plane->base = vgpu_vreg_t(vgpu, DSPSURF(pipe)) & I915_GTT_PAGE_MASK;
if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0))
return -EINVAL;
plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base);
if (plane->base_gpa == INTEL_GVT_INVALID_ADDR) {
gvt_vgpu_err("Translate primary plane gma 0x%x to gpa fail\n",
plane->base);
return -EINVAL;
}
plane->stride = intel_vgpu_get_stride(vgpu, pipe, plane->tiled,
(IS_SKYLAKE(dev_priv)
|| IS_KABYLAKE(dev_priv)
|| IS_BROXTON(dev_priv)) ?
(_PRI_PLANE_STRIDE_MASK >> 6) :
_PRI_PLANE_STRIDE_MASK, plane->bpp);
plane->width = (vgpu_vreg_t(vgpu, PIPESRC(pipe)) & _PIPE_H_SRCSZ_MASK) >>
_PIPE_H_SRCSZ_SHIFT;
plane->width += 1;
plane->height = (vgpu_vreg_t(vgpu, PIPESRC(pipe)) &
_PIPE_V_SRCSZ_MASK) >> _PIPE_V_SRCSZ_SHIFT;
plane->height += 1; /* raw height is one minus the real value */
val = vgpu_vreg_t(vgpu, DSPTILEOFF(pipe));
plane->x_offset = (val & _PRI_PLANE_X_OFF_MASK) >>
_PRI_PLANE_X_OFF_SHIFT;
plane->y_offset = (val & _PRI_PLANE_Y_OFF_MASK) >>
_PRI_PLANE_Y_OFF_SHIFT;
return 0;
}