The qxl driver uses an empty implementation for its encoder. Replace
the code with the generic simple encoder.
v4:
* handle errors returned from drm_simple_encoder_init()
v2:
* rebase onto new simple-encoder interface
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Reviewed-by: Sam Ravnborg <s...@ravnborg.org>
Acked-by: Gerd Hoffmann <kra...@redhat.com>
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
---
drivers/gpu/drm/qxl/qxl_display.c | 29 ++++++++++++++---------------
1 file changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_display.c
b/drivers/gpu/drm/qxl/qxl_display.c
index ab4f8dd00400..09583a08e141 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -31,6 +31,7 @@
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "qxl_drv.h"
#include "qxl_object.h"
@@ -1007,9 +1008,6 @@ static struct drm_encoder *qxl_best_encoder(struct
drm_connector *connector)
return &qxl_output->enc;
}
-static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
-};
-
static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
.get_modes = qxl_conn_get_modes,
.mode_valid = qxl_conn_mode_valid,
@@ -1059,15 +1057,6 @@ static const struct drm_connector_funcs
qxl_connector_funcs = {
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-static void qxl_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs qxl_enc_funcs = {
- .destroy = qxl_enc_destroy,
-};
-
static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device
*qdev)
{
if (qdev->hotplug_mode_update_property)
@@ -1086,6 +1075,7 @@ static int qdev_output_init(struct drm_device *dev, int
num_output)
struct qxl_output *qxl_output;
struct drm_connector *connector;
struct drm_encoder *encoder;
+ int ret;
qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
if (!qxl_output)
@@ -1098,15 +1088,19 @@ static int qdev_output_init(struct drm_device *dev, int
num_output)
drm_connector_init(dev, &qxl_output->base,
&qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
- drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
- DRM_MODE_ENCODER_VIRTUAL, NULL);
+ ret = drm_simple_encoder_init(dev, &qxl_output->enc,
+ DRM_MODE_ENCODER_VIRTUAL);
+ if (ret) {
+ drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
+ ret);
+ goto err_drm_connector_cleanup;
+ }
/* we get HPD via client monitors config */
connector->polled = DRM_CONNECTOR_POLL_HPD;
encoder->possible_crtcs = 1 << num_output;
drm_connector_attach_encoder(&qxl_output->base,
&qxl_output->enc);
- drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
drm_object_attach_property(&connector->base,
@@ -1116,6 +1110,11 @@ static int qdev_output_init(struct drm_device *dev, int
num_output)
drm_object_attach_property(&connector->base,
dev->mode_config.suggested_y_property, 0);
return 0;
+
+err_drm_connector_cleanup:
+ drm_connector_cleanup(&qxl_output->base);
+ kfree(qxl_output);
+ return ret;
}
static struct drm_framebuffer *
--
2.25.0
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