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-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c20
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c107
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.h1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_mob.c3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c165
7 files changed, 266 insertions, 35 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 04f8bf2..5d04859 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -342,7 +342,8 @@ enum vmw_display_unit_type {
};
-#define VMW_QUIRK_SCREENTARGET (1U << 0)
+#define VMW_QUIRK_DST_SID_OK (1U << 0)
+#define VMW_QUIRK_SRC_SID_OK (1U << 1)
struct vmw_sw_context{
struct drm_open_hash res_ht;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 497ad6a..0ec5fd6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -674,13 +674,16 @@ static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
int ret;
cmd = container_of(header, struct vmw_sid_cmd, header);
- ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
- user_surface_converter,
- &cmd->body.src.sid, NULL);
- if (unlikely(ret != 0))
- return ret;
- if (sw_context->quirks & VMW_QUIRK_SCREENTARGET)
+ if (!(sw_context->quirks & VMW_QUIRK_SRC_SID_OK)) {
+ ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
+ user_surface_converter,
+ &cmd->body.src.sid, NULL);
+ if (ret != 0)
+ return ret;
+ }
+
+ if (sw_context->quirks & VMW_QUIRK_DST_SID_OK)
return 0;
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
@@ -1264,7 +1267,7 @@ static int vmw_cmd_dma(struct vmw_private *dev_priv,
if (unlikely(suffix->maximumOffset > bo_size))
suffix->maximumOffset = bo_size;
- if (sw_context->quirks & VMW_QUIRK_SCREENTARGET)
+ if (sw_context->quirks & VMW_QUIRK_DST_SID_OK)
goto out_no_surface;
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
@@ -1505,6 +1508,9 @@ static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
cmd = container_of(header, struct vmw_gb_surface_cmd, header);
+ if (sw_context->quirks & VMW_QUIRK_SRC_SID_OK)
+ return 0;
+
return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
user_surface_converter,
&cmd->body.image.sid, NULL);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 6680aa6..615ff6cfc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -487,7 +487,8 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
struct vmw_surface *surface,
struct vmw_framebuffer **out,
const struct drm_mode_fb_cmd
- *mode_cmd)
+ *mode_cmd,
+ bool is_dmabuf_proxy)
{
struct drm_device *dev = dev_priv->dev;
@@ -562,6 +563,7 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
vfbs->surface = surface;
vfbs->base.user_handle = mode_cmd->handle;
vfbs->master = drm_master_get(file_priv->master);
+ vfbs->is_dmabuf_proxy = is_dmabuf_proxy;
mutex_lock(&vmaster->fb_surf_mutex);
list_add_tail(&vfbs->head, &vmaster->fb_surf);
@@ -699,6 +701,82 @@ static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
}
+/**
+ * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
+ *
+ * @dev: DRM device
+ * @mode_cmd: parameters for the new surface
+ * @dmabuf_mob: MOB backing the DMA buf
+ * @srf_out: newly created surface
+ *
+ * When the content FB is a DMA buf, we create a surface as a proxy to the
+ * same buffer. This way we can do a surface copy rather than a surface DMA.
+ * This is a more efficient approach
+ *
+ * RETURNS:
+ * 0 on success, error code otherwise
+ */
+static int vmw_create_dmabuf_proxy(struct drm_device *dev,
+ struct drm_mode_fb_cmd *mode_cmd,
+ struct vmw_dma_buffer *dmabuf_mob,
+ struct vmw_surface **srf_out)
+{
+ uint32_t format;
+ struct drm_vmw_size content_base_size;
+ int ret;
+
+
+ switch (mode_cmd->depth) {
+ case 32:
+ case 24:
+ format = SVGA3D_X8R8G8B8;
+ break;
+
+ case 16:
+ case 15:
+ format = SVGA3D_R5G6B5;
+ break;
+
+ case 8:
+ format = SVGA3D_P8;
+ break;
+
+ default:
+ DRM_ERROR("Invalid framebuffer format %d\n", mode_cmd->depth);
+ return -EINVAL;
+ }
+
+ content_base_size.width = mode_cmd->width;
+ content_base_size.height = mode_cmd->height;
+ content_base_size.depth = 1;
+
+ ret = vmw_surface_gb_priv_define(dev,
+ 0, /* kernel visible only */
+ 0, /* flags */
+ format,
+ true, /* can be a scanout buffer */
+ 1, /* num of mip levels */
+ 0,
+ content_base_size,
+ srf_out);
+ if (ret) {
+ DRM_ERROR("Failed to allocate proxy content buffer\n");
+ return ret;
+ }
+
+ /* Use the same MOB backing for surface */
+ vmw_dmabuf_reference(dmabuf_mob);
+
+ (*srf_out)->res.backup = dmabuf_mob;
+
+ /* FIXME: Waiting for fbdev rework to do a proper reserve/pin */
+ ret = vmw_resource_validate(&(*srf_out)->res);
+
+ return ret;
+}
+
+
+
static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
struct vmw_dma_buffer *dmabuf,
struct vmw_framebuffer **out,
@@ -801,6 +879,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
struct vmw_dma_buffer *bo = NULL;
struct ttm_base_object *user_obj;
struct drm_mode_fb_cmd mode_cmd;
+ bool is_dmabuf_proxy = false;
int ret;
mode_cmd.width = mode_cmd2->width;
@@ -849,13 +928,29 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
if (ret)
goto err_out;
- /* Create the new framebuffer depending one what we got back */
- if (bo)
+ /*
+ * We cannot use the SurfaceDMA command in an non-accelerated VM,
+ * therefore, wrap the DMA buf in a surface so we can use the
+ * SurfaceCopy command.
+ */
+ if (bo && !(dev_priv->capabilities & SVGA_CAP_3D) &&
+ dev_priv->active_display_unit == vmw_du_screen_target) {
+ ret = vmw_create_dmabuf_proxy(dev_priv->dev, &mode_cmd, bo,
+ &surface);
+ if (ret)
+ goto err_out;
+
+ is_dmabuf_proxy = true;
+ }
+
+ /* Create the new framebuffer depending one what we have */
+ if (surface)
+ ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
+ surface, &vfb, &mode_cmd,
+ is_dmabuf_proxy);
+ else if (bo)
ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
&mode_cmd);
- else if (surface)
- ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
- surface, &vfb, &mode_cmd);
else
BUG();
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index 548fa87..db8ae94 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -72,6 +72,7 @@ struct vmw_framebuffer_surface {
struct vmw_dma_buffer *buffer;
struct list_head head;
struct drm_master *master;
+ bool is_dmabuf_proxy; /* true if this is proxy surface for DMA buf */
};
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
index 0feac56..e0fc248 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
@@ -31,8 +31,7 @@
* If we set up the screen target otable, screen objects stop working.
*/
-#define VMW_OTABLE_SETUP_SUB ((VMWGFX_ENABLE_SCREEN_TARGET_OTABLE && \
- (dev_priv->capabilities & SVGA_CAP_3D)) ? 0 : 1)
+#define VMW_OTABLE_SETUP_SUB ((VMWGFX_ENABLE_SCREEN_TARGET_OTABLE ? 0 : 1))
#ifdef CONFIG_64BIT
#define VMW_PPN_SIZE 8
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 6738c1e..9dcbe8b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -497,7 +497,7 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
ret = vmw_dmabuf_init(dev_priv, &user_bo->dma, size,
(dev_priv->has_mob) ?
- &vmw_sys_placement :
+ &vmw_mob_placement :
&vmw_vram_sys_placement, true,
&vmw_user_dmabuf_destroy);
if (unlikely(ret != 0))
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index 3b8235c..ef99df7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -142,6 +142,63 @@ static void vmw_stdu_crtc_destroy(struct drm_crtc *crtc)
/**
+ * vmw_stdu_dma_update - Update DMA buf dirty region on the SVGA device
+ *
+ * @dev_priv: VMW DRM device
+ * @file_priv: Pointer to a drm file private structure
+ * @vfbs: VMW framebuffer surface that may need a DMA buf update
+ * @x: top/left corner of the content area to blit from
+ * @y: top/left corner of the content area to blit from
+ * @width: width of the blit area
+ * @height: height of the blit area
+ *
+ * The SVGA device may have the DMA buf cached, so before letting the
+ * device use it as the source image for a subsequent operation, we
+ * update the cached copy.
+ *
+ * RETURNs:
+ * 0 on success, error code on failure
+ */
+static int vmw_stdu_dma_update(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ struct vmw_framebuffer_surface *vfbs,
+ uint32_t x, uint32_t y,
+ uint32_t width, uint32_t height)
+{
+ size_t fifo_size;
+ struct {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdUpdateGBImage body;
+ } img_update_cmd;
+
+
+ /* Only need to do this if the surface is a DMA buf proxy */
+ if (!vfbs->is_dmabuf_proxy)
+ return 0;
+
+ fifo_size = sizeof(img_update_cmd);
+
+ memset(&img_update_cmd, 0, fifo_size);
+ img_update_cmd.header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
+ img_update_cmd.header.size = sizeof(img_update_cmd.body);
+
+ img_update_cmd.body.image.sid = vfbs->surface->res.id;
+
+ img_update_cmd.body.box.x = x;
+ img_update_cmd.body.box.y = y;
+ img_update_cmd.body.box.w = width;
+ img_update_cmd.body.box.h = height;
+ img_update_cmd.body.box.d = 1;
+
+ return vmw_execbuf_process(file_priv, dev_priv, NULL,
+ (void *) &img_update_cmd,
+ fifo_size, 0, VMW_QUIRK_SRC_SID_OK,
+ NULL, NULL);
+}
+
+
+
+/**
* vmw_stdu_content_copy - copies an area from the content to display surface
*
* @dev_priv: VMW DRM device
@@ -166,11 +223,13 @@ static int vmw_stdu_content_copy(struct vmw_private *dev_priv,
uint32_t width, uint32_t height,
uint32_t display_x, uint32_t display_y)
{
- size_t fifo_size;
+ struct vmw_framebuffer_surface *content_vfbs;
+ size_t fifo_size;
int ret;
void *cmd;
+ u32 quirks = VMW_QUIRK_DST_SID_OK;
- struct vmw_surface_dma {
+ struct {
SVGA3dCmdHeader header;
SVGA3dCmdSurfaceDMA body;
SVGA3dCopyBox area;
@@ -193,24 +252,43 @@ static int vmw_stdu_content_copy(struct vmw_private *dev_priv,
return -EINVAL;
}
+
if (stdu->content_fb_type == SEPARATE_DMA) {
struct vmw_framebuffer *content_vfb;
- struct vmw_framebuffer_dmabuf *content_vfbd;
- struct vmw_framebuffer_surface *content_vfbs;
struct drm_vmw_size cur_size = {0};
const struct svga3d_surface_desc *desc;
+ enum SVGA3dSurfaceFormat format;
SVGA3dCmdSurfaceDMASuffix *suffix;
SVGAGuestPtr ptr;
+
content_vfb = vmw_framebuffer_to_vfb(stdu->content_fb);
- content_vfbd = vmw_framebuffer_to_vfbd(stdu->content_fb);
- content_vfbs = vmw_framebuffer_to_vfbs(stdu->content_fb);
cur_size.width = width;
cur_size.height = height;
cur_size.depth = 1;
- desc = svga3dsurface_get_desc(content_vfbs->surface->format);
+ /* Derive a SVGA3dSurfaceFormat for the DMA buf */
+ switch (content_vfb->base.bits_per_pixel) {
+ case 32:
+ format = SVGA3D_A8R8G8B8;
+ break;
+ case 24:
+ format = SVGA3D_X8R8G8B8;
+ break;
+ case 16:
+ format = SVGA3D_R5G6B5;
+ break;
+ case 15:
+ format = SVGA3D_A1R5G5B5;
+ break;
+ default:
+ DRM_ERROR("Invalid color depth: %d\n",
+ content_vfb->base.depth);
+ return -EINVAL;
+ }
+
+ desc = svga3dsurface_get_desc(format);
fifo_size = sizeof(surface_dma_cmd);
@@ -250,19 +328,40 @@ static int vmw_stdu_content_copy(struct vmw_private *dev_priv,
cmd = (void *) &surface_dma_cmd;
} else {
- struct vmw_framebuffer *content_vfb;
+ u32 src_id;
+
+
+ content_vfbs = vmw_framebuffer_to_vfbs(stdu->content_fb);
+
+ if (content_vfbs->is_dmabuf_proxy) {
+ ret = vmw_stdu_dma_update(dev_priv, file_priv,
+ content_vfbs,
+ content_x, content_y,
+ width, height);
+
+ if (ret != 0) {
+ DRM_ERROR("Failed to update cached DMA buf\n");
+ return ret;
+ }
- content_vfb = vmw_framebuffer_to_vfb(stdu->content_fb);
+ quirks |= VMW_QUIRK_SRC_SID_OK;
+ src_id = content_vfbs->surface->res.id;
+ } else {
+ struct vmw_framebuffer *content_vfb;
+ content_vfb = vmw_framebuffer_to_vfb(stdu->content_fb);
+ src_id = content_vfb->user_handle;
+ }
+
fifo_size = sizeof(surface_cpy_cmd);
- memset(&surface_cpy_cmd, 0, sizeof(surface_cpy_cmd));
+ memset(&surface_cpy_cmd, 0, fifo_size);
surface_cpy_cmd.header.id = SVGA_3D_CMD_SURFACE_COPY;
surface_cpy_cmd.header.size = sizeof(surface_cpy_cmd.body) +
sizeof(surface_cpy_cmd.area);
- surface_cpy_cmd.body.src.sid = content_vfb->user_handle;
+ surface_cpy_cmd.body.src.sid = src_id;
surface_cpy_cmd.body.dest.sid = stdu->display_srf->res.id;
surface_cpy_cmd.area.srcx = content_x;
@@ -276,8 +375,11 @@ static int vmw_stdu_content_copy(struct vmw_private *dev_priv,
cmd = (void *) &surface_cpy_cmd;
}
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, VMW_QUIRK_SCREENTARGET,
+
+
+ ret = vmw_execbuf_process(file_priv, dev_priv, NULL,
+ (void *) cmd,
+ fifo_size, 0, quirks,
NULL, NULL);
return ret;
@@ -391,7 +493,8 @@ static int vmw_stdu_bind_st(struct vmw_private *dev_priv,
* vmw_stdu_update_st - Updates a Screen Target
*
* @dev_priv: VMW DRM device
- * @file_priv: Pointer to a drm file private structure
+ * @file_priv: Pointer to DRM file private structure. Set to NULL when
+ * we want to blank display.
* @stdu: display unit affected
* @update_area: area that needs to be updated
*
@@ -412,6 +515,7 @@ static int vmw_stdu_update_st(struct vmw_private *dev_priv,
u32 width, height;
u32 display_update_x, display_update_y;
unsigned short display_x1, display_y1, display_x2, display_y2;
+ int ret;
struct {
SVGA3dCmdHeader header;
@@ -444,8 +548,11 @@ static int vmw_stdu_update_st(struct vmw_private *dev_priv,
height = min(update_area->y2, display_y2) -
max(update_area->y1, display_y1);
+ /*
+ * If content is on a separate surface, then copy the dirty area to
+ * the display surface
+ */
if (file_priv && stdu->content_fb_type != SAME_AS_DISPLAY) {
- int ret;
ret = vmw_stdu_content_copy(dev_priv, file_priv,
stdu,
@@ -459,6 +566,29 @@ static int vmw_stdu_update_st(struct vmw_private *dev_priv,
}
}
+
+ /*
+ * If the display surface is the same as the content surface, then
+ * it may be backed by a DMA buf. If it is then we need to update
+ * the device's cached copy of the DMA buf before issuing the screen
+ * target update.
+ */
+ if (file_priv && stdu->content_fb_type == SAME_AS_DISPLAY) {
+ struct vmw_framebuffer_surface *vfbs;
+
+ vfbs = vmw_framebuffer_to_vfbs(stdu->content_fb);
+ ret = vmw_stdu_dma_update(dev_priv, file_priv,
+ vfbs,
+ max(update_area->x1, display_x1),
+ max(update_area->y1, display_y1),
+ width, height);
+
+ if (ret != 0) {
+ DRM_ERROR("Failed to update cached DMA buffer\n");
+ return ret;
+ }
+ }
+
cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
if (unlikely(cmd == NULL)) {
@@ -1066,8 +1196,7 @@ int vmw_kms_stdu_init_display(struct vmw_private *dev_priv)
if (!VMWGFX_ENABLE_SCREEN_TARGET_OTABLE)
return -ENOSYS;
- if (!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS) ||
- !(dev_priv->capabilities & SVGA_CAP_3D))
+ if (!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS))
return -ENOSYS;
ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
@@ -1333,7 +1462,7 @@ int vmw_kms_stdu_present(struct vmw_private *dev_priv,
cmd->body.dest.sid = stdu[cur_du]->display_srf->res.id;
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, VMW_QUIRK_SCREENTARGET,
+ fifo_size, 0, VMW_QUIRK_DST_SID_OK,
NULL, NULL);
if (unlikely(ret != 0))
generated by cgit v0.10.2 at 2024-09-30 00:46:24 (GMT)