Also included are overall modesetting improvements
Signed-off-by: Jakob Bornecrantz <ja...@vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 9 ++++
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 5 ++
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 81 ++++++++++++----------------------
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 18 ++++++++
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 68 +++++++++++-----------------
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 70 ++++++++++++++++++++++++-----
6 files changed, 144 insertions(+), 107 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index a6e8f68..5268af2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -318,6 +318,15 @@ static int vmw_driver_load(struct drm_device *dev,
unsigned long chipset)
goto out_err3;
}
+ /* need mmio memory to check for fifo pitchlock cap */
+ if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
+ !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
+ !vmw_fifo_have_pitchlock(dev_priv)) {
+ ret = -ENOSYS;
+ DRM_ERROR("Hardware has no pitchlock\n");
+ goto out_err4;
+ }
+
dev_priv->tdev = ttm_object_device_init
(dev_priv->mem_global_ref.object, 12);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 356dc93..fdcc1d6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -179,6 +179,7 @@ struct vmw_private {
uint32_t vga_red_mask;
uint32_t vga_blue_mask;
uint32_t vga_green_mask;
+ uint32_t vga_pitchlock;
/*
* Framebuffer info.
@@ -393,6 +394,7 @@ extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
+extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
/**
* TTM glue - vmwgfx_ttm_glue.c
@@ -466,6 +468,9 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
struct ttm_object_file *tfile,
struct ttm_buffer_object *bo,
SVGA3dCmdHeader *header);
+void vmw_kms_write_svga(struct vmw_private *vmw_priv,
+ unsigned width, unsigned height, unsigned pitch,
+ unsigned bbp, unsigned depth);
/**
* Overlay control - vmwgfx_overlay.c
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 9822ee6..c1eae30 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -135,16 +135,14 @@ static int vmw_fb_check_var(struct fb_var_screeninfo *var,
return -EINVAL;
}
- /* without multimon its hard to resize */
- if (!(vmw_priv->capabilities & SVGA_CAP_MULTIMON) &&
- (var->xres != par->max_width ||
- var->yres != par->max_height)) {
- DRM_ERROR("Tried to resize, but we don't have multimon\n");
+ if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
+ (var->xoffset != 0 || var->yoffset != 0)) {
+ DRM_ERROR("Can not handle panning without display topology\n");
return -EINVAL;
}
- if (var->xres > par->max_width ||
- var->yres > par->max_height) {
+ if ((var->xoffset + var->xres) > par->max_width ||
+ (var->yoffset + var->yres) > par->max_height) {
DRM_ERROR("Requested geom can not fit in framebuffer\n");
return -EINVAL;
}
@@ -157,8 +155,8 @@ static int vmw_fb_set_par(struct fb_info *info)
struct vmw_fb_par *par = info->par;
struct vmw_private *vmw_priv = par->vmw_priv;
- if (vmw_priv->capabilities & SVGA_CAP_MULTIMON) {
- vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
+ if (vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) {
+ vmw_write(vmw_priv, SVGA_REG_ENABLE, 0);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, 0);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, 0);
@@ -167,18 +165,11 @@ static int vmw_fb_set_par(struct fb_info *info)
vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, 0);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
- vmw_write(vmw_priv, SVGA_REG_ENABLE, 1);
- vmw_write(vmw_priv, SVGA_REG_WIDTH, par->max_width);
- vmw_write(vmw_priv, SVGA_REG_HEIGHT, par->max_height);
- vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, par->bpp);
- vmw_write(vmw_priv, SVGA_REG_DEPTH, par->depth);
- vmw_write(vmw_priv, SVGA_REG_RED_MASK, 0x00ff0000);
- vmw_write(vmw_priv, SVGA_REG_GREEN_MASK, 0x0000ff00);
- vmw_write(vmw_priv, SVGA_REG_BLUE_MASK, 0x000000ff);
+ vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
+ info->fix.line_length,
+ par->bpp, par->depth);
/* TODO check if pitch and offset changes */
-
- vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, 0);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X,
info->var.xoffset);
@@ -186,13 +177,22 @@ static int vmw_fb_set_par(struct fb_info *info)
vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
+ vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
+ vmw_write(vmw_priv, SVGA_REG_ENABLE, 1);
} else {
- vmw_write(vmw_priv, SVGA_REG_WIDTH, info->var.xres);
- vmw_write(vmw_priv, SVGA_REG_HEIGHT, info->var.yres);
+ vmw_write(vmw_priv, SVGA_REG_ENABLE, 0);
+ vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
+ info->fix.line_length,
+ par->bpp, par->depth);
+ vmw_write(vmw_priv, SVGA_REG_ENABLE, 1);
- /* TODO check if pitch and offset changes */
}
+ /* This is really helpfull as if this is fails the user
+ * can probably not see anything on the screen.
+ */
+ WARN_ON(vmw_read(vmw_priv, SVGA_REG_FB_OFFSET) != 0);
+
return 0;
}
@@ -434,48 +434,23 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
unsigned fb_bbp, fb_depth, fb_offset, fb_pitch, fb_size;
int ret;
+ /* XXX these shouldn't be hardcoded */
initial_width = 800;
initial_height = 600;
fb_bbp = 32;
fb_depth = 24;
- if (vmw_priv->capabilities & SVGA_CAP_MULTIMON) {
- fb_width = min(vmw_priv->fb_max_width, (unsigned)2048);
- fb_height = min(vmw_priv->fb_max_height, (unsigned)2048);
- } else {
- fb_width = min(vmw_priv->fb_max_width, initial_width);
- fb_height = min(vmw_priv->fb_max_height, initial_height);
- }
+ /* XXX as shouldn't these be as well */
+ fb_width = min(vmw_priv->fb_max_width, (unsigned)2048);
+ fb_height = min(vmw_priv->fb_max_height, (unsigned)2048);
initial_width = min(fb_width, initial_width);
initial_height = min(fb_height, initial_height);
- vmw_write(vmw_priv, SVGA_REG_WIDTH, fb_width);
- vmw_write(vmw_priv, SVGA_REG_HEIGHT, fb_height);
- vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, fb_bbp);
- vmw_write(vmw_priv, SVGA_REG_DEPTH, fb_depth);
- vmw_write(vmw_priv, SVGA_REG_RED_MASK, 0x00ff0000);
- vmw_write(vmw_priv, SVGA_REG_GREEN_MASK, 0x0000ff00);
- vmw_write(vmw_priv, SVGA_REG_BLUE_MASK, 0x000000ff);
-
- fb_size = vmw_read(vmw_priv, SVGA_REG_FB_SIZE);
+ fb_pitch = fb_width * fb_bbp / 8;
+ fb_size = fb_pitch * fb_height;
fb_offset = vmw_read(vmw_priv, SVGA_REG_FB_OFFSET);
- fb_pitch = vmw_read(vmw_priv, SVGA_REG_BYTES_PER_LINE);
-
- DRM_DEBUG("width %u\n", vmw_read(vmw_priv, SVGA_REG_MAX_WIDTH));
- DRM_DEBUG("height %u\n", vmw_read(vmw_priv, SVGA_REG_MAX_HEIGHT));
- DRM_DEBUG("width %u\n", vmw_read(vmw_priv, SVGA_REG_WIDTH));
- DRM_DEBUG("height %u\n", vmw_read(vmw_priv, SVGA_REG_HEIGHT));
- DRM_DEBUG("bpp %u\n", vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL));
- DRM_DEBUG("depth %u\n", vmw_read(vmw_priv, SVGA_REG_DEPTH));
- DRM_DEBUG("bpl %u\n", vmw_read(vmw_priv, SVGA_REG_BYTES_PER_LINE));
- DRM_DEBUG("r mask %08x\n", vmw_read(vmw_priv, SVGA_REG_RED_MASK));
- DRM_DEBUG("g mask %08x\n", vmw_read(vmw_priv, SVGA_REG_GREEN_MASK));
- DRM_DEBUG("b mask %08x\n", vmw_read(vmw_priv, SVGA_REG_BLUE_MASK));
- DRM_DEBUG("fb_offset 0x%08x\n", fb_offset);
- DRM_DEBUG("fb_pitch %u\n", fb_pitch);
- DRM_DEBUG("fb_size %u kiB\n", fb_size / 1024);
info = framebuffer_alloc(sizeof(*par), device);
if (!info)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 39d43a0..8720b01 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -34,6 +34,9 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
uint32_t fifo_min, hwversion;
+ if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO))
+ return false;
+
fifo_min = ioread32(fifo_mem + SVGA_FIFO_MIN);
if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))
return false;
@@ -48,6 +51,21 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
return true;
}
+bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv)
+{
+ __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+ uint32_t caps;
+
+ if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO))
+ return false;
+
+ caps = ioread32(fifo_mem + SVGA_FIFO_CAPABILITIES);
+ if (caps & SVGA_FIFO_CAP_PITCHLOCK)
+ return true;
+
+ return false;
+}
+
int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
{
__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 31f9afe..05d2fa0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -596,31 +596,11 @@ static int vmw_framebuffer_dmabuf_pin(struct
vmw_framebuffer *vfb)
vmw_framebuffer_to_vfbd(&vfb->base);
int ret;
+
vmw_overlay_pause_all(dev_priv);
ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer);
- if (dev_priv->capabilities & SVGA_CAP_MULTIMON) {
- vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
- vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, 0);
- vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true);
- vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0);
- vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, 0);
- vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, 0);
- vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, 0);
- vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
-
- vmw_write(dev_priv, SVGA_REG_ENABLE, 1);
- vmw_write(dev_priv, SVGA_REG_WIDTH, vfb->base.width);
- vmw_write(dev_priv, SVGA_REG_HEIGHT, vfb->base.height);
- vmw_write(dev_priv, SVGA_REG_BITS_PER_PIXEL,
vfb->base.bits_per_pixel);
- vmw_write(dev_priv, SVGA_REG_DEPTH, vfb->base.depth);
- vmw_write(dev_priv, SVGA_REG_RED_MASK, 0x00ff0000);
- vmw_write(dev_priv, SVGA_REG_GREEN_MASK, 0x0000ff00);
- vmw_write(dev_priv, SVGA_REG_BLUE_MASK, 0x000000ff);
- } else
- WARN_ON(true);
-
vmw_overlay_resume_all(dev_priv);
return 0;
@@ -668,7 +648,7 @@ int vmw_kms_new_framebuffer_dmabuf(struct vmw_private
*dev_priv,
/* XXX get the first 3 from the surface info */
vfbd->base.base.bits_per_pixel = 32;
- vfbd->base.base.pitch = width * 32 / 4;
+ vfbd->base.base.pitch = width * vfbd->base.base.bits_per_pixel / 8;
vfbd->base.base.depth = 24;
vfbd->base.base.width = width;
vfbd->base.base.height = height;
@@ -832,24 +812,25 @@ out:
return ret;
}
-int vmw_kms_save_vga(struct vmw_private *vmw_priv)
+void vmw_kms_write_svga(struct vmw_private *vmw_priv,
+ unsigned width, unsigned height, unsigned pitch,
+ unsigned bbp, unsigned depth)
{
- /*
- * setup a single multimon monitor with the size
- * of 0x0, this stops the UI from resizing when we
- * change the framebuffer size
- */
- if (vmw_priv->capabilities & SVGA_CAP_MULTIMON) {
- vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
- }
+ if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
+ vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
+ else if (vmw_fifo_have_pitchlock(vmw_priv))
+ iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
+ vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
+ vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
+ vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bbp);
+ vmw_write(vmw_priv, SVGA_REG_DEPTH, depth);
+ vmw_write(vmw_priv, SVGA_REG_RED_MASK, 0x00ff0000);
+ vmw_write(vmw_priv, SVGA_REG_GREEN_MASK, 0x0000ff00);
+ vmw_write(vmw_priv, SVGA_REG_BLUE_MASK, 0x000000ff);
+}
+int vmw_kms_save_vga(struct vmw_private *vmw_priv)
+{
vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
@@ -858,6 +839,10 @@ int vmw_kms_save_vga(struct vmw_private *vmw_priv)
vmw_priv->vga_red_mask = vmw_read(vmw_priv, SVGA_REG_RED_MASK);
vmw_priv->vga_green_mask = vmw_read(vmw_priv, SVGA_REG_GREEN_MASK);
vmw_priv->vga_blue_mask = vmw_read(vmw_priv, SVGA_REG_BLUE_MASK);
+ if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
+ vmw_priv->vga_pitchlock = vmw_read(vmw_priv,
SVGA_REG_PITCHLOCK);
+ else if (vmw_fifo_have_pitchlock(vmw_priv))
+ vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
SVGA_FIFO_PITCHLOCK);
return 0;
}
@@ -872,9 +857,10 @@ int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
vmw_write(vmw_priv, SVGA_REG_RED_MASK, vmw_priv->vga_red_mask);
vmw_write(vmw_priv, SVGA_REG_GREEN_MASK, vmw_priv->vga_green_mask);
vmw_write(vmw_priv, SVGA_REG_BLUE_MASK, vmw_priv->vga_blue_mask);
-
- /* TODO check for multimon */
- vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0);
+ if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
+ vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
vmw_priv->vga_pitchlock);
+ else if (vmw_fifo_have_pitchlock(vmw_priv))
+ iowrite32(vmw_priv->vga_pitchlock, vmw_priv->mmio_virt +
SVGA_FIFO_PITCHLOCK);
return 0;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 9089159..b76bfe5 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -38,6 +38,7 @@ struct vmw_legacy_display {
struct list_head active;
unsigned num_active;
+ unsigned last_num_active;
struct vmw_framebuffer *fb;
};
@@ -88,12 +89,37 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
{
struct vmw_legacy_display *lds = dev_priv->ldu_priv;
struct vmw_legacy_display_unit *entry;
- struct drm_crtc *crtc;
+ struct drm_framebuffer *fb = NULL;
+ struct drm_crtc *crtc = NULL;
int i = 0;
- /* to stop the screen from changing size on resize */
- vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0);
- for (i = 0; i < lds->num_active; i++) {
+ /* If there is no display topology the host just assumes
+ * that the guest will set the same layout as the host.
+ */
+ if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) {
+ int w = 0, h = 0;
+ list_for_each_entry(entry, &lds->active, active) {
+ crtc = &entry->base.crtc;
+ w = max(w, crtc->x + crtc->mode.hdisplay);
+ h = max(h, crtc->y + crtc->mode.vdisplay);
+ i++;
+ }
+
+ if (crtc == NULL)
+ return 0;
+ fb = entry->base.crtc.fb;
+
+ vmw_write(dev_priv, SVGA_REG_ENABLE, 0);
+ vmw_kms_write_svga(dev_priv, w, h, fb->pitch,
+ fb->bits_per_pixel, fb->depth);
+ vmw_write(dev_priv, SVGA_REG_ENABLE, 1);
+
+ return 0;
+ }
+
+ vmw_write(dev_priv, SVGA_REG_ENABLE, 0);
+
+ for (i = 0; i < lds->last_num_active; i++) {
vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i);
vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i);
vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0);
@@ -103,8 +129,14 @@ static int vmw_ldu_commit_list(struct vmw_private
*dev_priv)
vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
}
- /* Now set the mode */
- vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, lds->num_active);
+ if (!list_empty(&lds->active)) {
+ entry = list_entry(lds->active.next, typeof(*entry), active);
+ fb = entry->base.crtc.fb;
+
+ vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitch,
+ fb->bits_per_pixel, fb->depth);
+ }
+
i = 0;
list_for_each_entry(entry, &lds->active, active) {
crtc = &entry->base.crtc;
@@ -120,6 +152,14 @@ static int vmw_ldu_commit_list(struct vmw_private
*dev_priv)
i++;
}
+ /* Make sure we always show something */
+ vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, i ? i : 1);
+ vmw_write(dev_priv, SVGA_REG_ENABLE, 1);
+
+ BUG_ON(i != lds->num_active);
+
+ lds->last_num_active = lds->num_active;
+
return 0;
}
@@ -487,18 +527,22 @@ int vmw_kms_init_legacy_display_system(struct vmw_private
*dev_priv)
INIT_LIST_HEAD(&dev_priv->ldu_priv->active);
dev_priv->ldu_priv->num_active = 0;
+ dev_priv->ldu_priv->last_num_active = 0;
dev_priv->ldu_priv->fb = NULL;
drm_mode_create_dirty_info_property(dev_priv->dev);
vmw_ldu_init(dev_priv, 0);
- vmw_ldu_init(dev_priv, 1);
- vmw_ldu_init(dev_priv, 2);
- vmw_ldu_init(dev_priv, 3);
- vmw_ldu_init(dev_priv, 4);
- vmw_ldu_init(dev_priv, 5);
- vmw_ldu_init(dev_priv, 6);
- vmw_ldu_init(dev_priv, 7);
+ /* for old hardware without multimon only enable one display */
+ if (dev_priv->capabilities & SVGA_CAP_MULTIMON) {
+ vmw_ldu_init(dev_priv, 1);
+ vmw_ldu_init(dev_priv, 2);
+ vmw_ldu_init(dev_priv, 3);
+ vmw_ldu_init(dev_priv, 4);
+ vmw_ldu_init(dev_priv, 5);
+ vmw_ldu_init(dev_priv, 6);
+ vmw_ldu_init(dev_priv, 7);
+ }
return 0;
}
--
1.6.0.4
------------------------------------------------------------------------------
SOLARIS 10 is the OS for Data Centers - provides features such as DTrace,
Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW
http://p.sf.net/sfu/solaris-dev2dev
--
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