Commit d7e1958d authored by Jakob Bornecrantz's avatar Jakob Bornecrantz Committed by Dave Airlie
Browse files

drm/vmwgfx: Support older hardware.



V2: Fix a couple of typos.
Signed-off-by: default avatarJakob Bornecrantz <jakob@vmware.com>
Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 1ae1ddd5
......@@ -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);
......
......@@ -187,6 +187,7 @@ struct vmw_private {
uint32_t vga_red_mask;
uint32_t vga_blue_mask;
uint32_t vga_green_mask;
uint32_t vga_pitchlock;
/*
* Framebuffer info.
......@@ -401,6 +402,7 @@ 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
......@@ -491,6 +493,9 @@ 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
......
......@@ -132,16 +132,14 @@ 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;
}
......@@ -154,8 +152,8 @@ 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);
......@@ -164,18 +162,11 @@ 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);
......@@ -183,13 +174,22 @@ 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 helpful since if this fails the user
* can probably not see anything on the screen.
*/
WARN_ON(vmw_read(vmw_priv, SVGA_REG_FB_OFFSET) != 0);
return 0;
}
......@@ -416,48 +416,23 @@ 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)
......
......@@ -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;
......
......@@ -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;
......@@ -827,24 +807,25 @@ 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);
......@@ -853,6 +834,12 @@ 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;
}
......@@ -867,9 +854,12 @@ 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;
}
......@@ -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;
}
......@@ -491,18 +531,22 @@ 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;
}
......
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