[PATCH 3/3] drm/vmwgfx: Fix Legacy Display Unit atomic drm support
Zack Rusin
zack at kde.org
Tue Mar 21 02:09:49 UTC 2023
From: Martin Krastev <krastevm at vmware.com>
Legacy Display Unit (LDU) fb dirty support used a custom fb dirty callback. Latter
handled only the DIRTYFB IOCTL presentation path but not the ADDFB2/PAGE_FLIP/RMFB
IOCTL path, common for Wayland compositors.
Get rid of the custom callback in favor of drm_atomic_helper_dirtyfb and unify the
handling of the presentation paths inside of vmw_ldu_primary_plane_atomic_update.
This also homogenizes the fb dirty callbacks across all DUs: LDU, SOU and STDU.
Signed-off-by: Martin Krastev <krastevm at vmware.com>
Reviewed-by: Maaz Mombasawala <mombasawalam at vmware.com>
Fixes: 2f5544ff0300 ("drm/vmwgfx: Use atomic helper function for dirty fb IOCTL")
Cc: <stable at vger.kernel.org> # v5.0+
Signed-off-by: Zack Rusin <zackr at vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 62 +----------------------------
drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 5 ---
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 45 +++++++++++++++++----
3 files changed, 38 insertions(+), 74 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 84d6380b9895..866bc3bd157a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1396,70 +1396,10 @@ static void vmw_framebuffer_bo_destroy(struct drm_framebuffer *framebuffer)
kfree(vfbd);
}
-static int vmw_framebuffer_bo_dirty(struct drm_framebuffer *framebuffer,
- struct drm_file *file_priv,
- unsigned int flags, unsigned int color,
- struct drm_clip_rect *clips,
- unsigned int num_clips)
-{
- struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
- struct vmw_framebuffer_bo *vfbd =
- vmw_framebuffer_to_vfbd(framebuffer);
- struct drm_clip_rect norect;
- int ret, increment = 1;
-
- drm_modeset_lock_all(&dev_priv->drm);
-
- if (!num_clips) {
- num_clips = 1;
- clips = &norect;
- norect.x1 = norect.y1 = 0;
- norect.x2 = framebuffer->width;
- norect.y2 = framebuffer->height;
- } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
- num_clips /= 2;
- increment = 2;
- }
-
- switch (dev_priv->active_display_unit) {
- case vmw_du_legacy:
- ret = vmw_kms_ldu_do_bo_dirty(dev_priv, &vfbd->base, 0, 0,
- clips, num_clips, increment);
- break;
- default:
- ret = -EINVAL;
- WARN_ONCE(true, "Dirty called with invalid display system.\n");
- break;
- }
-
- vmw_cmd_flush(dev_priv, false);
-
- drm_modeset_unlock_all(&dev_priv->drm);
-
- return ret;
-}
-
-static int vmw_framebuffer_bo_dirty_ext(struct drm_framebuffer *framebuffer,
- struct drm_file *file_priv,
- unsigned int flags, unsigned int color,
- struct drm_clip_rect *clips,
- unsigned int num_clips)
-{
- struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
-
- if (dev_priv->active_display_unit == vmw_du_legacy &&
- vmw_cmd_supported(dev_priv))
- return vmw_framebuffer_bo_dirty(framebuffer, file_priv, flags,
- color, clips, num_clips);
-
- return drm_atomic_helper_dirtyfb(framebuffer, file_priv, flags, color,
- clips, num_clips);
-}
-
static const struct drm_framebuffer_funcs vmw_framebuffer_bo_funcs = {
.create_handle = vmw_framebuffer_bo_create_handle,
.destroy = vmw_framebuffer_bo_destroy,
- .dirty = vmw_framebuffer_bo_dirty_ext,
+ .dirty = drm_atomic_helper_dirtyfb,
};
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index 3de7b4b6a230..db81e635dc06 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -507,11 +507,6 @@ void vmw_du_connector_destroy_state(struct drm_connector *connector,
*/
int vmw_kms_ldu_init_display(struct vmw_private *dev_priv);
int vmw_kms_ldu_close_display(struct vmw_private *dev_priv);
-int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
- struct vmw_framebuffer *framebuffer,
- unsigned int flags, unsigned int color,
- struct drm_clip_rect *clips,
- unsigned int num_clips, int increment);
int vmw_kms_update_proxy(struct vmw_resource *res,
const struct drm_clip_rect *clips,
unsigned num_clips,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index c0e42f2ed144..a82fa9700370 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -275,6 +275,7 @@ static const struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
.atomic_duplicate_state = vmw_du_crtc_duplicate_state,
.atomic_destroy_state = vmw_du_crtc_destroy_state,
.set_config = drm_atomic_helper_set_config,
+ .page_flip = drm_atomic_helper_page_flip,
};
@@ -314,6 +315,12 @@ static const struct
drm_connector_helper_funcs vmw_ldu_connector_helper_funcs = {
};
+static int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
+ struct vmw_framebuffer *framebuffer,
+ unsigned int flags, unsigned int color,
+ struct drm_mode_rect *clips,
+ unsigned int num_clips);
+
/*
* Legacy Display Plane Functions
*/
@@ -332,7 +339,6 @@ vmw_ldu_primary_plane_atomic_update(struct drm_plane *plane,
struct drm_framebuffer *fb;
struct drm_crtc *crtc = new_state->crtc ?: old_state->crtc;
-
ldu = vmw_crtc_to_ldu(crtc);
dev_priv = vmw_priv(plane->dev);
fb = new_state->fb;
@@ -345,8 +351,31 @@ vmw_ldu_primary_plane_atomic_update(struct drm_plane *plane,
vmw_ldu_del_active(dev_priv, ldu);
vmw_ldu_commit_list(dev_priv);
-}
+ if (vfb && vmw_cmd_supported(dev_priv)) {
+ struct drm_mode_rect fb_rect = {
+ .x1 = 0,
+ .y1 = 0,
+ .x2 = vfb->base.width,
+ .y2 = vfb->base.height
+ };
+ struct drm_mode_rect *damage_rects = drm_plane_get_damage_clips(new_state);
+ u32 rect_count = drm_plane_get_damage_clips_count(new_state);
+ int ret;
+
+ if (!damage_rects) {
+ damage_rects = &fb_rect;
+ rect_count = 1;
+ }
+
+ ret = vmw_kms_ldu_do_bo_dirty(dev_priv, vfb, 0, 0, damage_rects, rect_count);
+
+ drm_WARN_ONCE(plane->dev, ret,
+ "vmw_kms_ldu_do_bo_dirty failed with: ret=%d\n", ret);
+
+ vmw_cmd_flush(dev_priv, false);
+ }
+}
static const struct drm_plane_funcs vmw_ldu_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
@@ -577,11 +606,11 @@ int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
}
-int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
- struct vmw_framebuffer *framebuffer,
- unsigned int flags, unsigned int color,
- struct drm_clip_rect *clips,
- unsigned int num_clips, int increment)
+static int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
+ struct vmw_framebuffer *framebuffer,
+ unsigned int flags, unsigned int color,
+ struct drm_mode_rect *clips,
+ unsigned int num_clips)
{
size_t fifo_size;
int i;
@@ -597,7 +626,7 @@ int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
return -ENOMEM;
memset(cmd, 0, fifo_size);
- for (i = 0; i < num_clips; i++, clips += increment) {
+ for (i = 0; i < num_clips; i++, clips++) {
cmd[i].header = SVGA_CMD_UPDATE;
cmd[i].body.x = clips->x1;
cmd[i].body.y = clips->y1;
--
2.38.1
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