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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_fb.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_fb.c120
1 files changed, 28 insertions, 92 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 41d9a5b73c0..b031b48dbb3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -26,10 +26,12 @@
*
**************************************************************************/
-#include "drmP.h"
+#include <linux/export.h>
+
+#include <drm/drmP.h>
#include "vmwgfx_drv.h"
-#include "ttm/ttm_placement.h"
+#include <drm/ttm/ttm_placement.h>
#define VMW_DIRTY_DELAY (HZ / 30)
@@ -145,7 +147,7 @@ static int vmw_fb_check_var(struct fb_var_screeninfo *var,
}
if (!vmw_kms_validate_mode_vram(vmw_priv,
- info->fix.line_length,
+ var->xres * var->bits_per_pixel/8,
var->yoffset + var->yres)) {
DRM_ERROR("Requested geom can not fit in framebuffer\n");
return -EINVAL;
@@ -158,10 +160,16 @@ 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;
+ int ret;
+
+ info->fix.line_length = info->var.xres * info->var.bits_per_pixel/8;
+
+ ret = vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
+ info->fix.line_length,
+ par->bpp, par->depth);
+ if (ret)
+ return ret;
- vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
- info->fix.line_length,
- par->bpp, par->depth);
if (vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) {
/* TODO check if pitch and offset changes */
vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
@@ -371,14 +379,13 @@ static int vmw_fb_create_bo(struct vmw_private *vmw_priv,
ne_placement.lpfn = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- /* interuptable? */
- ret = ttm_write_lock(&vmw_priv->fbdev_master.lock, false);
- if (unlikely(ret != 0))
- return ret;
+ (void) ttm_write_lock(&vmw_priv->reservation_sem, false);
vmw_bo = kmalloc(sizeof(*vmw_bo), GFP_KERNEL);
- if (!vmw_bo)
+ if (!vmw_bo) {
+ ret = -ENOMEM;
goto err_unlock;
+ }
ret = vmw_dmabuf_init(vmw_priv, vmw_bo, size,
&ne_placement,
@@ -405,24 +412,20 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
struct fb_info *info;
unsigned initial_width, initial_height;
unsigned fb_width, fb_height;
- unsigned fb_bbp, fb_depth, fb_offset, fb_pitch, fb_size;
+ unsigned fb_bpp, 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_bpp = 32;
fb_depth = 24;
/* 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);
+ initial_width = min(vmw_priv->initial_width, fb_width);
+ initial_height = min(vmw_priv->initial_height, fb_height);
- fb_pitch = fb_width * fb_bbp / 8;
+ fb_pitch = fb_width * fb_bpp / 8;
fb_size = fb_pitch * fb_height;
fb_offset = vmw_read(vmw_priv, SVGA_REG_FB_OFFSET);
@@ -437,7 +440,7 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
par = info->par;
par->vmw_priv = vmw_priv;
par->depth = fb_depth;
- par->bpp = fb_bbp;
+ par->bpp = fb_bpp;
par->vmalloc = NULL;
par->max_width = fb_width;
par->max_height = fb_height;
@@ -480,9 +483,6 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
info->fix.smem_start = 0;
info->fix.smem_len = fb_size;
- info->fix.mmio_start = 0;
- info->fix.mmio_len = 0;
-
info->pseudo_palette = par->pseudo_palette;
info->screen_base = par->vmalloc;
info->screen_size = fb_size;
@@ -512,19 +512,7 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
info->var.xres = initial_width;
info->var.yres = initial_height;
-#if 0
- info->pixmap.size = 64*1024;
- info->pixmap.buf_align = 8;
- info->pixmap.access_align = 32;
- info->pixmap.flags = FB_PIXMAP_SYSTEM;
- info->pixmap.scan_align = 1;
-#else
- info->pixmap.size = 0;
- info->pixmap.buf_align = 8;
- info->pixmap.access_align = 32;
- info->pixmap.flags = FB_PIXMAP_SYSTEM;
- info->pixmap.scan_align = 1;
-#endif
+ /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
info->apertures = alloc_apertures(1);
if (!info->apertures) {
@@ -591,58 +579,6 @@ int vmw_fb_close(struct vmw_private *vmw_priv)
return 0;
}
-int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
- struct vmw_dma_buffer *vmw_bo)
-{
- struct ttm_buffer_object *bo = &vmw_bo->base;
- int ret = 0;
-
- ret = ttm_bo_reserve(bo, false, false, false, 0);
- if (unlikely(ret != 0))
- return ret;
-
- ret = ttm_bo_validate(bo, &vmw_sys_placement, false, false, false);
- ttm_bo_unreserve(bo);
-
- return ret;
-}
-
-int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
- struct vmw_dma_buffer *vmw_bo)
-{
- struct ttm_buffer_object *bo = &vmw_bo->base;
- struct ttm_placement ne_placement = vmw_vram_ne_placement;
- int ret = 0;
-
- ne_placement.lpfn = bo->num_pages;
-
- /* interuptable? */
- ret = ttm_write_lock(&vmw_priv->active_master->lock, false);
- if (unlikely(ret != 0))
- return ret;
-
- ret = ttm_bo_reserve(bo, false, false, false, 0);
- if (unlikely(ret != 0))
- goto err_unlock;
-
- if (bo->mem.mem_type == TTM_PL_VRAM &&
- bo->mem.start < bo->num_pages &&
- bo->mem.start > 0)
- (void) ttm_bo_validate(bo, &vmw_sys_placement, false,
- false, false);
-
- ret = ttm_bo_validate(bo, &ne_placement, false, false, false);
-
- /* Could probably bug on */
- WARN_ON(bo->offset != 0);
-
- ttm_bo_unreserve(bo);
-err_unlock:
- ttm_write_unlock(&vmw_priv->active_master->lock);
-
- return ret;
-}
-
int vmw_fb_off(struct vmw_private *vmw_priv)
{
struct fb_info *info;
@@ -659,12 +595,12 @@ int vmw_fb_off(struct vmw_private *vmw_priv)
par->dirty.active = false;
spin_unlock_irqrestore(&par->dirty.lock, flags);
- flush_scheduled_work();
+ flush_delayed_work(&info->deferred_work);
par->bo_ptr = NULL;
ttm_bo_kunmap(&par->map);
- vmw_dmabuf_from_vram(vmw_priv, par->vmw_bo);
+ vmw_dmabuf_unpin(vmw_priv, par->vmw_bo, false);
return 0;
}
@@ -690,7 +626,7 @@ int vmw_fb_on(struct vmw_private *vmw_priv)
/* Make sure that all overlays are stoped when we take over */
vmw_overlay_stop_all(vmw_priv);
- ret = vmw_dmabuf_to_start_of_vram(vmw_priv, par->vmw_bo);
+ ret = vmw_dmabuf_to_start_of_vram(vmw_priv, par->vmw_bo, true, false);
if (unlikely(ret != 0)) {
DRM_ERROR("could not move buffer to start of VRAM\n");
goto err_no_buffer;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 08:51:10 +0000