From: Dave Airlie <airl...@redhat.com>

qxl has a feature to allow the userspace driver do arbitrary resizes
when the viewer resizes, this fixes it by removing unnecessary code
from the kernel side.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/qxl/qxl_display.c | 58 ++-------------------------------------
 1 file changed, 3 insertions(+), 55 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_display.c 
b/drivers/gpu/drm/qxl/qxl_display.c
index 823d29e..4cb36bb 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -30,55 +30,6 @@
 #include "qxl_object.h"
 #include "drm_crtc_helper.h"

-static void qxl_crtc_set_to_mode(struct qxl_device *qdev,
-                                struct drm_connector *connector,
-                                struct qxl_head *head)
-{
-       struct drm_device *dev = connector->dev;
-       struct drm_display_mode *mode, *t;
-       int width = head->width;
-       int height = head->height;
-
-       if (width < 320 || height < 240) {
-               qxl_io_log(qdev, "%s: bad head: %dx%d", width, height);
-               width = 1024;
-               height = 768;
-       }
-       if (width * height * 4 > 16*1024*1024) {
-               width = 1024;
-               height = 768;
-       }
-       /* TODO: go over regular modes and removed preferred? */
-       list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
-               drm_mode_remove(connector, mode);
-       mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
-       mode->type |= DRM_MODE_TYPE_PREFERRED;
-       mode->status = MODE_OK;
-       drm_mode_probed_add(connector, mode);
-       qxl_io_log(qdev, "%s: %d x %d\n", __func__, width, height);
-}
-
-void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev)
-{
-       struct drm_connector *connector;
-       int i;
-       struct drm_device *dev = qdev->ddev;
-
-       i = 0;
-       qxl_io_log(qdev, "%s: %d, %d\n", __func__,
-                  dev->mode_config.num_connector,
-                  qdev->monitors_config->count);
-       list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-               if (i > qdev->monitors_config->count) {
-                       /* crtc will be reported as disabled */
-                       continue;
-               }
-               qxl_crtc_set_to_mode(qdev, connector,
-                                    &qdev->monitors_config->heads[i]);
-               ++i;
-       }
-}
-
 void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
 {
        if (qdev->client_monitors_config &&
@@ -117,8 +68,8 @@ static int 
qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
                return 1;
        }
        if (num_monitors > qdev->monitors_config->max_allowed) {
-               DRM_INFO("client monitors list will be truncated: %d < %d\n",
-                        qdev->monitors_config->max_allowed, num_monitors);
+               DRM_DEBUG_KMS("client monitors list will be truncated: %d < 
%d\n",
+                             qdev->monitors_config->max_allowed, num_monitors);
                num_monitors = qdev->monitors_config->max_allowed;
        } else {
                num_monitors = qdev->rom->client_monitors_config.count;
@@ -142,7 +93,7 @@ static int 
qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
                client_head->surface_id = head->surface_id = 0;
                client_head->id = head->id = i;
                client_head->flags = head->flags = 0;
-               QXL_DEBUG(qdev, "read %dx%d+%d+%d\n", head->width, head->height,
+               DRM_DEBUG_KMS("read %dx%d+%d+%d\n", head->width, head->height,
                          head->x, head->y);
        }
        return 0;
@@ -155,9 +106,6 @@ void qxl_display_read_client_monitors_config(struct 
qxl_device *qdev)
                qxl_io_log(qdev, "failed crc check for client_monitors_config,"
                                 " retrying\n");
        }
-       qxl_crtc_set_from_monitors_config(qdev);
-       /* fire off a uevent and let userspace tell us what to do */
-       qxl_io_log(qdev, "calling drm_sysfs_hotplug_event\n");
        drm_sysfs_hotplug_event(qdev->ddev);
 }

-- 
1.8.3.1

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