From: Deepak Rawat drawat@vmware.com
As gui_x/y positioning is display unit is protected by requested_layout_mutex adding vmw_connector_state copy of the same and modeset commit will refer the state copy to sync with modeset_check state.
v2: Tested with CONFIG_PROVE_LOCKING enabled.
Signed-off-by: Deepak Rawat drawat@vmware.com Reviewed-by: Thomas Hellstrom thellstrom@vmware.com Signed-off-by: Thomas Hellstrom thellstrom@vmware.com --- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 37 +++++++++++++++++++-------- drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 18 +++++++++++++ drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 38 +++++++++++++++++----------- drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 29 +++++++++++++-------- 4 files changed, 86 insertions(+), 36 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index a592d10e5c76..0fb363458ab5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1609,26 +1609,43 @@ static int vmw_kms_check_topology(struct drm_device *dev, for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { struct vmw_display_unit *du = vmw_crtc_to_du(crtc); + struct drm_connector *connector; + struct drm_connector_state *conn_state; + struct vmw_connector_state *vmw_conn_state;
if (!new_crtc_state->enable && old_crtc_state->enable) { rects[i].x1 = 0; rects[i].y1 = 0; rects[i].x2 = 0; rects[i].y2 = 0; + continue; }
- if (new_crtc_state->enable) { - /* If display unit is not active cannot enable CRTC */ - if (!du->pref_active) { - ret = -EINVAL; - goto clean; - } + if (!du->pref_active) { + ret = -EINVAL; + goto clean; + }
- rects[i].x1 = du->gui_x; - rects[i].y1 = du->gui_y; - rects[i].x2 = du->gui_x + new_crtc_state->mode.hdisplay; - rects[i].y2 = du->gui_y + new_crtc_state->mode.vdisplay; + /* + * For vmwgfx each crtc has only one connector attached and it + * is not changed so don't really need to check the + * crtc->connector_mask and iterate over it. + */ + connector = &du->connector; + conn_state = drm_atomic_get_connector_state(state, connector); + if (IS_ERR(conn_state)) { + ret = PTR_ERR(conn_state); + goto clean; } + + vmw_conn_state = vmw_connector_state_to_vcs(conn_state); + vmw_conn_state->gui_x = du->gui_x; + vmw_conn_state->gui_y = du->gui_y; + + rects[i].x1 = du->gui_x; + rects[i].y1 = du->gui_y; + rects[i].x2 = du->gui_x + new_crtc_state->mode.hdisplay; + rects[i].y2 = du->gui_y + new_crtc_state->mode.vdisplay; }
ret = vmw_kms_check_display_memory(dev, dev->mode_config.num_crtc, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index ff1caed38f94..1f2b01862652 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -192,6 +192,24 @@ struct vmw_connector_state { struct drm_connector_state base;
bool is_implicit; + + /** + * @gui_x: + * + * vmwgfx connector property representing the x position of this display + * unit (connector is synonymous to display unit) in overall topology. + * This is what the device expect as xRoot while creating screen. + */ + int gui_x; + + /** + * @gui_y: + * + * vmwgfx connector property representing the y position of this display + * unit (connector is synonymous to display unit) in overall topology. + * This is what the device expect as yRoot while creating screen. + */ + int gui_y; };
/** diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index 74dfd4621b7e..df21d5a6f84a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -109,7 +109,7 @@ static void vmw_sou_crtc_destroy(struct drm_crtc *crtc) */ static int vmw_sou_fifo_create(struct vmw_private *dev_priv, struct vmw_screen_object_unit *sou, - uint32_t x, uint32_t y, + int x, int y, struct drm_display_mode *mode) { size_t fifo_size; @@ -139,13 +139,8 @@ static int vmw_sou_fifo_create(struct vmw_private *dev_priv, (sou->base.unit == 0 ? SVGA_SCREEN_IS_PRIMARY : 0); cmd->obj.size.width = mode->hdisplay; cmd->obj.size.height = mode->vdisplay; - if (sou->base.is_implicit) { - cmd->obj.root.x = x; - cmd->obj.root.y = y; - } else { - cmd->obj.root.x = sou->base.gui_x; - cmd->obj.root.y = sou->base.gui_y; - } + cmd->obj.root.x = x; + cmd->obj.root.y = y; sou->base.set_gui_x = cmd->obj.root.x; sou->base.set_gui_y = cmd->obj.root.y;
@@ -222,12 +217,11 @@ static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc) struct vmw_plane_state *vps; int ret;
- - sou = vmw_crtc_to_sou(crtc); + sou = vmw_crtc_to_sou(crtc); dev_priv = vmw_priv(crtc->dev); - ps = crtc->primary->state; - fb = ps->fb; - vps = vmw_plane_state_to_vps(ps); + ps = crtc->primary->state; + fb = ps->fb; + vps = vmw_plane_state_to_vps(ps);
vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL;
@@ -240,11 +234,25 @@ static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc) }
if (vfb) { + struct drm_connector_state *conn_state; + struct vmw_connector_state *vmw_conn_state; + int x, y; + sou->buffer = vps->bo; sou->buffer_size = vps->bo_size;
- ret = vmw_sou_fifo_create(dev_priv, sou, crtc->x, crtc->y, - &crtc->mode); + if (sou->base.is_implicit) { + x = crtc->x; + y = crtc->y; + } else { + conn_state = sou->base.connector.state; + vmw_conn_state = vmw_connector_state_to_vcs(conn_state); + + x = vmw_conn_state->gui_x; + y = vmw_conn_state->gui_y; + } + + ret = vmw_sou_fifo_create(dev_priv, sou, x, y, &crtc->mode); if (ret) DRM_ERROR("Failed to define Screen Object %dx%d\n", crtc->x, crtc->y); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index 537df9034008..15f2cb2a151b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c @@ -178,13 +178,9 @@ static int vmw_stdu_define_st(struct vmw_private *dev_priv, cmd->body.height = mode->vdisplay; cmd->body.flags = (0 == cmd->body.stid) ? SVGA_STFLAG_PRIMARY : 0; cmd->body.dpi = 0; - if (stdu->base.is_implicit) { - cmd->body.xRoot = crtc_x; - cmd->body.yRoot = crtc_y; - } else { - cmd->body.xRoot = stdu->base.gui_x; - cmd->body.yRoot = stdu->base.gui_y; - } + cmd->body.xRoot = crtc_x; + cmd->body.yRoot = crtc_y; + stdu->base.set_gui_x = cmd->body.xRoot; stdu->base.set_gui_y = cmd->body.yRoot;
@@ -374,11 +370,14 @@ static void vmw_stdu_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct vmw_private *dev_priv; struct vmw_screen_target_display_unit *stdu; - int ret; - + struct drm_connector_state *conn_state; + struct vmw_connector_state *vmw_conn_state; + int x, y, ret;
- stdu = vmw_crtc_to_stdu(crtc); + stdu = vmw_crtc_to_stdu(crtc); dev_priv = vmw_priv(crtc->dev); + conn_state = stdu->base.connector.state; + vmw_conn_state = vmw_connector_state_to_vcs(conn_state);
if (stdu->defined) { ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); @@ -397,8 +396,16 @@ static void vmw_stdu_crtc_mode_set_nofb(struct drm_crtc *crtc) if (!crtc->state->enable) return;
+ if (stdu->base.is_implicit) { + x = crtc->x; + y = crtc->y; + } else { + x = vmw_conn_state->gui_x; + y = vmw_conn_state->gui_y; + } + vmw_svga_enable(dev_priv); - ret = vmw_stdu_define_st(dev_priv, stdu, &crtc->mode, crtc->x, crtc->y); + ret = vmw_stdu_define_st(dev_priv, stdu, &crtc->mode, x, y);
if (ret) DRM_ERROR("Failed to define Screen Target of size %dx%d\n",