The current VKMS driver uses non-managed function to create crtcs. It
is not an issue yet, but in order to support multiple devices easly,
convert this code to use drm and device managed helpers.
Signed-off-by: Louis Chauvet <louis.chau...@bootlin.com>
---
drivers/gpu/drm/vkms/vkms_composer.c | 10 +--
drivers/gpu/drm/vkms/vkms_composer.h | 2 +-
drivers/gpu/drm/vkms/vkms_crtc.c | 75 ++++++++++++-------
drivers/gpu/drm/vkms/vkms_crtc.h | 19 +++--
drivers/gpu/drm/vkms/vkms_drv.c | 134 ++++++++++++++++++++++++++++++---
drivers/gpu/drm/vkms/vkms_drv.h | 43 -----------
drivers/gpu/drm/vkms/vkms_output.c | 135 ----------------------------------
drivers/gpu/drm/vkms/vkms_writeback.c | 20 +++--
drivers/gpu/drm/vkms/vkms_writeback.h | 2 +-
9 files changed, 197 insertions(+), 243 deletions(-)
diff --git a/drivers/gpu/drm/vkms/vkms_composer.c
b/drivers/gpu/drm/vkms/vkms_composer.c
index 15ef07ed304e..9b2f578c2eb1 100644
--- a/drivers/gpu/drm/vkms/vkms_composer.c
+++ b/drivers/gpu/drm/vkms/vkms_composer.c
@@ -515,7 +515,7 @@ void vkms_composer_worker(struct work_struct *work)
composer_work);
struct drm_crtc *crtc = crtc_state->base.crtc;
struct vkms_writeback_job *active_wb = crtc_state->active_writeback;
- struct vkms_output *out = drm_crtc_to_vkms_output(crtc);
+ struct vkms_crtc *out = drm_crtc_to_vkms_crtc(crtc);
bool crc_pending, wb_pending;
u64 frame_start, frame_end;
u32 crc32 = 0;
@@ -616,12 +616,12 @@ int vkms_verify_crc_source(struct drm_crtc *crtc, const
char *src_name,
return 0;
}
-void vkms_set_composer(struct vkms_output *out, bool enabled)
+void vkms_set_composer(struct vkms_crtc *out, bool enabled)
{
bool old_enabled;
if (enabled)
- drm_crtc_vblank_get(&out->crtc);
+ drm_crtc_vblank_get(&out->base);
spin_lock_irq(&out->lock);
old_enabled = out->composer_enabled;
@@ -629,12 +629,12 @@ void vkms_set_composer(struct vkms_output *out, bool
enabled)
spin_unlock_irq(&out->lock);
if (old_enabled)
- drm_crtc_vblank_put(&out->crtc);
+ drm_crtc_vblank_put(&out->base);
}
int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name)
{
- struct vkms_output *out = drm_crtc_to_vkms_output(crtc);
+ struct vkms_crtc *out = drm_crtc_to_vkms_crtc(crtc);
bool enabled = false;
int ret = 0;
diff --git a/drivers/gpu/drm/vkms/vkms_composer.h
b/drivers/gpu/drm/vkms/vkms_composer.h
index 91b33af1e013..77efd2e3a63a 100644
--- a/drivers/gpu/drm/vkms/vkms_composer.h
+++ b/drivers/gpu/drm/vkms/vkms_composer.h
@@ -7,7 +7,7 @@
#include "vkms_crtc.h"
void vkms_composer_worker(struct work_struct *work);
-void vkms_set_composer(struct vkms_output *out, bool enabled);
+void vkms_set_composer(struct vkms_crtc *out, bool enabled);
/* CRC Support */
const char *const *vkms_get_crc_sources(struct drm_crtc *crtc, size_t *count);
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c
index 6fae43932b60..47e62fb3e404 100644
--- a/drivers/gpu/drm/vkms/vkms_crtc.c
+++ b/drivers/gpu/drm/vkms/vkms_crtc.c
@@ -6,6 +6,8 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
+#include <drm/drm_managed.h>
+#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_print.h>
#include "vkms_crtc.h"
@@ -14,9 +16,8 @@
static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer)
{
- struct vkms_output *output = container_of(timer, struct vkms_output,
- vblank_hrtimer);
- struct drm_crtc *crtc = &output->crtc;
+ struct vkms_crtc *output = hrtimer_to_vkms_crtc(timer);
+ struct drm_crtc *crtc = &output->base;
struct vkms_crtc_state *state;
u64 ret_overrun;
bool ret, fence_cookie;
@@ -64,8 +65,9 @@ static enum hrtimer_restart vkms_vblank_simulate(struct
hrtimer *timer)
static int vkms_enable_vblank(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
struct drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(crtc);
- struct vkms_output *out = drm_crtc_to_vkms_output(crtc);
+ struct vkms_crtc *out = drm_crtc_to_vkms_crtc(crtc);
drm_calc_timestamping_constants(crtc, &crtc->mode);
@@ -79,7 +81,7 @@ static int vkms_enable_vblank(struct drm_crtc *crtc)
static void vkms_disable_vblank(struct drm_crtc *crtc)
{
- struct vkms_output *out = drm_crtc_to_vkms_output(crtc);
+ struct vkms_crtc *out = drm_crtc_to_vkms_crtc(crtc);
hrtimer_cancel(&out->vblank_hrtimer);
}
@@ -89,8 +91,7 @@ static bool vkms_get_vblank_timestamp(struct drm_crtc *crtc,
bool in_vblank_irq)
{
struct drm_device *dev = crtc->dev;
- struct vkms_device *vkmsdev = drm_device_to_vkms_device(dev);
- struct vkms_output *output = &vkmsdev->output;
+ struct vkms_crtc *output = drm_crtc_to_vkms_crtc(crtc);
struct drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(crtc);
if (!READ_ONCE(vblank->enabled)) {
@@ -137,7 +138,7 @@ vkms_atomic_crtc_duplicate_state(struct drm_crtc *crtc)
static void vkms_atomic_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
- struct vkms_crtc_state *vkms_state = to_vkms_crtc_state(state);
+ struct vkms_crtc_state *vkms_state =
drm_crtc_state_to_vkms_crtc_state(state);
__drm_atomic_helper_crtc_destroy_state(state);
@@ -178,7 +179,7 @@ static int vkms_crtc_atomic_check(struct drm_crtc *crtc,
{
struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state,
crtc);
- struct vkms_crtc_state *vkms_state = to_vkms_crtc_state(crtc_state);
+ struct vkms_crtc_state *vkms_state =
drm_crtc_state_to_vkms_crtc_state(crtc_state);
struct drm_plane *plane;
struct drm_plane_state *plane_state;
int i = 0, ret;
@@ -234,7 +235,7 @@ static void vkms_crtc_atomic_disable(struct drm_crtc *crtc,
static void vkms_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
- struct vkms_output *vkms_output = drm_crtc_to_vkms_output(crtc);
+ struct vkms_crtc *vkms_output = drm_crtc_to_vkms_crtc(crtc);
/* This lock is held across the atomic commit to block vblank timer
* from scheduling vkms_composer_worker until the composer is updated
@@ -245,7 +246,7 @@ static void vkms_crtc_atomic_begin(struct drm_crtc *crtc,
static void vkms_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
- struct vkms_output *vkms_output = drm_crtc_to_vkms_output(crtc);
+ struct vkms_crtc *vkms_output = drm_crtc_to_vkms_crtc(crtc);
if (crtc->state->event) {
spin_lock(&crtc->dev->event_lock);
@@ -260,7 +261,7 @@ static void vkms_crtc_atomic_flush(struct drm_crtc *crtc,
crtc->state->event = NULL;
}
- vkms_output->composer_state = to_vkms_crtc_state(crtc->state);
+ vkms_output->composer_state =
drm_crtc_state_to_vkms_crtc_state(crtc->state);
spin_unlock_irq(&vkms_output->lock);
}
@@ -273,30 +274,48 @@ static const struct drm_crtc_helper_funcs
vkms_crtc_helper_funcs = {
.atomic_disable = vkms_crtc_atomic_disable,
};
-int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
- struct drm_plane *primary, struct drm_plane *cursor)
+static void vkms_crtc_destroy_workqueue(struct drm_device *dev, void
*raw_vkms_crtc)
+{
+ struct vkms_crtc *vkms_crtc = raw_vkms_crtc;
+
+ destroy_workqueue(vkms_crtc->composer_workq);
+}
+
+struct vkms_crtc *vkms_crtc_init(struct vkms_device *vkmsdev,
+ struct drm_plane *primary,
+ struct drm_plane *cursor)
{
- struct vkms_output *vkms_out = drm_crtc_to_vkms_output(crtc);
+ struct drm_device *dev = &vkmsdev->drm;
+ struct vkms_crtc *vkms_crtc;
int ret;
- ret = drmm_crtc_init_with_planes(dev, crtc, primary, cursor,
- &vkms_crtc_funcs, NULL);
+ vkms_crtc = drmm_crtc_alloc_with_planes(dev, struct vkms_crtc, base,
primary, cursor,
+ &vkms_crtc_funcs, NULL);
+ if (IS_ERR(vkms_crtc)) {
+ DRM_DEV_ERROR(vkmsdev->drm.dev, "Failed to init CRTC\n");
+ return vkms_crtc;
+ }
+
+ drm_crtc_helper_add(&vkms_crtc->base, &vkms_crtc_helper_funcs);
+
+ ret = drm_mode_crtc_set_gamma_size(&vkms_crtc->base, VKMS_LUT_SIZE);
if (ret) {
- DRM_ERROR("Failed to init CRTC\n");
- return ret;
+ DRM_DEV_ERROR(vkmsdev->drm.dev, "Failed to set gamma size\n");
+ return ERR_PTR(ret);
}
- drm_crtc_helper_add(crtc, &vkms_crtc_helper_funcs);
+ drm_crtc_enable_color_mgmt(&vkms_crtc->base, 0, false, VKMS_LUT_SIZE);
- drm_mode_crtc_set_gamma_size(crtc, VKMS_LUT_SIZE);
- drm_crtc_enable_color_mgmt(crtc, 0, false, VKMS_LUT_SIZE);
+ spin_lock_init(&vkms_crtc->lock);
+ spin_lock_init(&vkms_crtc->composer_lock);
- spin_lock_init(&vkms_out->lock);
- spin_lock_init(&vkms_out->composer_lock);
+ vkms_crtc->composer_workq = alloc_ordered_workqueue("vkms_composer", 0);
+ if (!vkms_crtc->composer_workq)
+ return ERR_PTR(-ENOMEM);
- vkms_out->composer_workq = alloc_ordered_workqueue("vkms_composer", 0);
- if (!vkms_out->composer_workq)
- return -ENOMEM;
+ ret = drmm_add_action_or_reset(&vkmsdev->drm,
vkms_crtc_destroy_workqueue, vkms_crtc);
+ if (ret)
+ return ERR_PTR(ret);
- return ret;
+ return vkms_crtc;
}
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.h b/drivers/gpu/drm/vkms/vkms_crtc.h
index 9f5ce21f3425..dde28884a0a5 100644
--- a/drivers/gpu/drm/vkms/vkms_crtc.h
+++ b/drivers/gpu/drm/vkms/vkms_crtc.h
@@ -48,7 +48,6 @@ struct vkms_crtc_state {
* @wb_connecter: DRM writeback connector used for this output
* @vblank_hrtimer:
* @period_ns:
- * @event:
* @composer_workq: Ordered workqueue for composer_work
* @lock: Lock used to project concurrent acces to the composer
* @composer_enabled: Protected by @lock.
@@ -61,7 +60,6 @@ struct vkms_crtc {
struct drm_writeback_connector wb_connector;
struct hrtimer vblank_hrtimer;
ktime_t period_ns;
- struct drm_pending_vblank_event *event;
struct workqueue_struct *composer_workq;
spinlock_t lock;
@@ -71,17 +69,22 @@ struct vkms_crtc {
spinlock_t composer_lock;
};
-#define to_vkms_crtc_state(target)\
+#define drm_crtc_state_to_vkms_crtc_state(target)\
container_of(target, struct vkms_crtc_state, base)
+#define drm_crtc_to_vkms_crtc(target) \
+ container_of(target, struct vkms_crtc, base)
+
+#define hrtimer_to_vkms_crtc(target) \
+ container_of(target, struct vkms_crtc, vblank_hrtimer)
+
/**
* vkms_crtc_init() - Initialize a crtc for vkms
- * @dev: drm_device associated with the vkms buffer
- * @crtc: uninitialized crtc device
+ * @vkmsdev: drm_device associated with the vkms buffer
* @primary: primary plane to attach to the crtc
* @cursor plane to attach to the crtc
*/
-int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
- struct drm_plane *primary, struct drm_plane *cursor);
-
+struct vkms_crtc *vkms_crtc_init(struct vkms_device *vkmsdev,
+ struct drm_plane *primary,
+ struct drm_plane *cursor);
#endif //_VKMS_CRTC_H
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 5907877bdfa0..e79832e10f3c 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -31,6 +31,7 @@
#include <drm/drm_print.h>
#include <drm/drm_debugfs.h>
+#include <drm/drm_edid.h>
#define DRIVER_NAME "vkms"
#define DRIVER_DESC "Virtual Kernel Mode Setting"
@@ -46,7 +47,8 @@ MODULE_PARM_DESC(enable_cursor, "Enable/Disable cursor
support");
static bool enable_writeback = true;
module_param_named(enable_writeback, enable_writeback, bool, 0444);
-MODULE_PARM_DESC(enable_writeback, "Enable/Disable writeback connector
support");
+MODULE_PARM_DESC(enable_writeback,
+ "Enable/Disable writeback connector support");
static bool enable_overlay;
module_param_named(enable_overlay, enable_overlay, bool, 0444);
@@ -54,14 +56,6 @@ MODULE_PARM_DESC(enable_overlay, "Enable/Disable overlay
support");
DEFINE_DRM_GEM_FOPS(vkms_driver_fops);
-static void vkms_release(struct drm_device *dev)
-{
- struct vkms_device *vkms = drm_device_to_vkms_device(dev);
-
- if (vkms->output.composer_workq)
- destroy_workqueue(vkms->output.composer_workq);
-}
-
static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *dev = old_state->dev;
@@ -82,7 +76,8 @@ static void vkms_atomic_commit_tail(struct drm_atomic_state
*old_state)
drm_atomic_helper_wait_for_flip_done(dev, old_state);
for_each_old_crtc_in_state(old_state, crtc, old_crtc_state, i) {
- struct vkms_crtc_state *vkms_state =
to_vkms_crtc_state(old_crtc_state);
+ struct vkms_crtc_state *vkms_state =
+ drm_crtc_state_to_vkms_crtc_state(old_crtc_state);
flush_work(&vkms_state->composer_work);
}
@@ -109,7 +104,6 @@ static const struct drm_debugfs_info
vkms_config_debugfs_list[] = {
static const struct drm_driver vkms_driver = {
.driver_features = DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM,
- .release = vkms_release,
.fops = &vkms_driver_fops,
DRM_GEM_SHMEM_DRIVER_OPS,
@@ -148,6 +142,124 @@ static const struct drm_mode_config_helper_funcs
vkms_mode_config_helpers = {
.atomic_commit_tail = vkms_atomic_commit_tail,
};
+static const struct drm_connector_funcs vkms_connector_funcs = {
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .reset = drm_atomic_helper_connector_reset,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static const struct drm_encoder_funcs vkms_encoder_funcs = {};
+
+static int vkms_conn_get_modes(struct drm_connector *connector)
+{
+ int count;
+
+ /* Use the default modes list from drm */
+ count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX);
+ drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF);
+
+ return count;
+}
+
+static const struct drm_connector_helper_funcs vkms_conn_helper_funcs = {
+ .get_modes = vkms_conn_get_modes,
+};
+
+static int vkms_output_init(struct vkms_device *vkmsdev, int possible_crtc)
+{
+ struct drm_device *dev = &vkmsdev->drm;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct vkms_crtc *crtc;
+ struct drm_plane *plane;
+ struct vkms_plane *primary, *cursor, *overlay = NULL;
+ int ret;
+ int writeback;
+ unsigned int n;
+
+ /*
+ * Initialize used plane. One primary plane is required to perform the
composition.
+ *
+ * The overlay and cursor planes are not mandatory, but can be used to
perform complex
+ * composition.
+ */
+ primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY,
possible_crtc);
+ if (IS_ERR(primary))
+ return PTR_ERR(primary);
+
+ if (vkmsdev->config->overlay) {
+ for (n = 0; n < NUM_OVERLAY_PLANES; n++) {
+ overlay = vkms_plane_init(vkmsdev,
DRM_PLANE_TYPE_OVERLAY, possible_crtc);
+ if (IS_ERR(overlay))
+ return PTR_ERR(overlay);
+ }
+ }
+
+ if (vkmsdev->config->cursor) {
+ cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR,
possible_crtc);
+ if (IS_ERR(cursor))
+ return PTR_ERR(cursor);
+ }
+
+ /* [1]: Initialize the crtc component */
+ crtc = vkms_crtc_init(vkmsdev, &primary->base,
+ cursor ? &cursor->base : NULL);
+ if (IS_ERR(crtc))
+ return PTR_ERR(crtc);
+
+ /* Enable the output's CRTC for all the planes */
+ drm_for_each_plane(plane, &vkmsdev->drm) {
+ plane->possible_crtcs |= drm_crtc_mask(&crtc->base);
+ }
+
+ /* Initialize the connector component */
+ connector = drmm_kzalloc(&vkmsdev->drm, sizeof(*connector), GFP_KERNEL);
+ if (!connector)
+ return -ENOMEM;
+
+ ret = drmm_connector_init(dev, connector, &vkms_connector_funcs,
+ DRM_MODE_CONNECTOR_VIRTUAL, NULL);
+ if (ret) {
+ DRM_ERROR("Failed to init connector\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &vkms_conn_helper_funcs);
+
+ /* Initialize the encoder component */
+ encoder = drmm_kzalloc(&vkmsdev->drm, sizeof(*encoder), GFP_KERNEL);
+ if (!encoder)
+ return -ENOMEM;
+
+ ret = drmm_encoder_init(dev, encoder, &vkms_encoder_funcs,
+ DRM_MODE_ENCODER_VIRTUAL, NULL);
+ if (ret) {
+ DRM_ERROR("Failed to init encoder\n");
+ return ret;
+ }
+
+ encoder->possible_crtcs = drm_crtc_mask(&crtc->base);
+
+ /* Attach the encoder and the connector */
+ ret = drm_connector_attach_encoder(connector, encoder);
+ if (ret) {
+ DRM_ERROR("Failed to attach connector to encoder\n");
+ return ret;
+ }
+
+ /* Initialize the writeback component */
+ if (vkmsdev->config->writeback) {
+ writeback = vkms_enable_writeback_connector(vkmsdev, crtc);
+ if (writeback)
+ DRM_ERROR("Failed to init writeback connector\n");
+ }
+
+ drm_mode_config_reset(dev);
+
+ return 0;
+}
+
static int vkms_modeset_init(struct vkms_device *vkmsdev)
{
struct drm_device *dev = &vkmsdev->drm;
diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
index 2c9d1f20ce84..08d0ef106e37 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.h
+++ b/drivers/gpu/drm/vkms/vkms_drv.h
@@ -25,35 +25,6 @@
#define VKMS_LUT_SIZE 256
-/**
- * struct vkms_output - Internal representation of all output components in
vkms
- *
- * @crtc: Base crtc in drm
- * @encoder: DRM encoder used for this output
- * @connector: DRM connector used for this output
- * @wb_connecter: DRM writeback connector used for this output
- * @vblank_hrtimer:
- * @period_ns:
- * @composer_workq: Ordered workqueue for composer_work
- * @lock: Lock used to project concurrent acces to the composer
- * @composer_enabled: Protected by @lock.
- * @composer_state:
- * @composer_lock: Lock used internally to protect @composer_state members
- */
-struct vkms_output {
- struct drm_crtc crtc;
- struct drm_writeback_connector wb_connector;
- struct hrtimer vblank_hrtimer;
- ktime_t period_ns;
- struct workqueue_struct *composer_workq;
- spinlock_t lock;
-
- bool composer_enabled;
- struct vkms_crtc_state *composer_state;
-
- spinlock_t composer_lock;
-};
-
/**
* struct vkms_config - General configuration for VKMS driver
*
@@ -80,7 +51,6 @@ struct vkms_config {
struct vkms_device {
struct drm_device drm;
struct platform_device *platform;
- struct vkms_output output;
const struct vkms_config *config;
};
@@ -88,20 +58,7 @@ struct vkms_device {
* The following helpers are used to convert a member of a struct into its
parent.
*/
-#define drm_crtc_to_vkms_output(target) \
- container_of(target, struct vkms_output, crtc)
-
#define drm_device_to_vkms_device(target) \
container_of(target, struct vkms_device, drm)
-/**
- * vkms_output_init() - Initialize all sub-components needed for a vkms device.
- *
- * @vkmsdev: vkms device to initialize
- * @possible_crtc_index: Crtc which can be attached to the planes. The caller
must ensure that
- * possible_crtc_index is positive and less or equals to 31.
- */
-
-int vkms_output_init(struct vkms_device *vkmsdev, int possible_crtc_index);
-
#endif /* _VKMS_DRV_H_ */
diff --git a/drivers/gpu/drm/vkms/vkms_output.c
b/drivers/gpu/drm/vkms/vkms_output.c
deleted file mode 100644
index cb8507917b5f..000000000000
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ /dev/null
@@ -1,135 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_managed.h>
-
-#include "vkms_writeback.h"
-#include "vkms_plane.h"
-#include "vkms_crtc.h"
-
-static const struct drm_connector_funcs vkms_connector_funcs = {
- .fill_modes = drm_helper_probe_single_connector_modes,
- .reset = drm_atomic_helper_connector_reset,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static const struct drm_encoder_funcs vkms_encoder_funcs = {};
-
-static int vkms_conn_get_modes(struct drm_connector *connector)
-{
- int count;
-
- /* Use the default modes list from drm */
- count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX);
- drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF);
-
- return count;
-}
-
-static const struct drm_connector_helper_funcs vkms_conn_helper_funcs = {
- .get_modes = vkms_conn_get_modes,
-};
-
-static int vkms_add_overlay_plane(struct vkms_device *vkmsdev, int
possible_crtc_index,
- struct drm_crtc *crtc)
-{
- struct vkms_plane *overlay;
-
- overlay = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_OVERLAY,
possible_crtc_index);
- if (IS_ERR(overlay))
- return PTR_ERR(overlay);
-
- if (!overlay->base.possible_crtcs)
- overlay->base.possible_crtcs = drm_crtc_mask(crtc);
-
- return 0;
-}
-
-int vkms_output_init(struct vkms_device *vkmsdev, int possible_crtc_index)
-{
- struct vkms_output *output = &vkmsdev->output;
- struct drm_device *dev = &vkmsdev->drm;
- struct drm_connector *connector;
- struct drm_encoder *encoder;
- struct drm_crtc *crtc = &output->crtc;
- struct vkms_plane *primary, *cursor = NULL;
- int ret;
- int writeback;
- unsigned int n;
-
- /*
- * Initialize used plane. One primary plane is required to perform the
composition.
- *
- * The overlay and cursor planes are not mandatory, but can be used to
perform complex
- * composition.
- */
- primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY,
possible_crtc_index);
- if (IS_ERR(primary))
- return PTR_ERR(primary);
-
- if (vkmsdev->config->overlay) {
- for (n = 0; n < NUM_OVERLAY_PLANES; n++) {
- ret = vkms_add_overlay_plane(vkmsdev,
possible_crtc_index, crtc);
- if (ret)
- return ret;
- }
- }
-
- if (vkmsdev->config->cursor) {
- cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR,
possible_crtc_index);
- if (IS_ERR(cursor))
- return PTR_ERR(cursor);
- }
-
- ret = vkms_crtc_init(dev, crtc, &primary->base, &cursor->base);
- if (ret)
- return ret;
-
- connector = drmm_kzalloc(&vkmsdev->drm, sizeof(*connector), GFP_KERNEL);
- if (!connector)
- return -ENOMEM;
-
- ret = drmm_connector_init(dev, connector, &vkms_connector_funcs,
- DRM_MODE_CONNECTOR_VIRTUAL, NULL);
- if (ret) {
- DRM_ERROR("Failed to init connector\n");
- return ret;
- }
-
- drm_connector_helper_add(connector, &vkms_conn_helper_funcs);
-
- encoder = drmm_kzalloc(&vkmsdev->drm, sizeof(*encoder), GFP_KERNEL);
- if (!encoder)
- return -ENOMEM;
-
- ret = drmm_encoder_init(dev, encoder, &vkms_encoder_funcs,
- DRM_MODE_ENCODER_VIRTUAL, NULL);
- if (ret) {
- DRM_ERROR("Failed to init encoder\n");
- return ret;
- }
- /*
- * This is an hardcoded value to select crtc for the encoder.
- * 1 here designate the first registered CRTC, the one allocated in [1]
- */
- encoder->possible_crtcs = 1;
-
- ret = drm_connector_attach_encoder(connector, encoder);
- if (ret) {
- DRM_ERROR("Failed to attach connector to encoder\n");
- return ret;
- }
-
- if (vkmsdev->config->writeback) {
- writeback = vkms_enable_writeback_connector(vkmsdev);
- if (writeback)
- DRM_ERROR("Failed to init writeback connector\n");
- }
-
- drm_mode_config_reset(dev);
-
- return 0;
-}
diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c
b/drivers/gpu/drm/vkms/vkms_writeback.c
index 5e75880a5845..322e247979b2 100644
--- a/drivers/gpu/drm/vkms/vkms_writeback.c
+++ b/drivers/gpu/drm/vkms/vkms_writeback.c
@@ -110,7 +110,7 @@ static void vkms_wb_cleanup_job(struct
drm_writeback_connector *connector,
struct drm_writeback_job *job)
{
struct vkms_writeback_job *vkmsjob = job->priv;
- struct vkms_device *vkmsdev;
+ struct vkms_crtc *vkms_crtc = container_of(connector, struct vkms_crtc,
wb_connector);
if (!job->fb)
return;
@@ -119,8 +119,7 @@ static void vkms_wb_cleanup_job(struct
drm_writeback_connector *connector,
drm_framebuffer_put(vkmsjob->wb_frame_info.fb);
- vkmsdev = drm_device_to_vkms_device(job->fb->dev);
- vkms_set_composer(&vkmsdev->output, false);
+ vkms_set_composer(vkms_crtc, false);
kfree(vkmsjob);
}
@@ -129,10 +128,8 @@ static void vkms_wb_atomic_commit(struct drm_connector
*conn,
{
struct drm_connector_state *connector_state =
drm_atomic_get_new_connector_state(state,
conn);
- struct vkms_device *vkmsdev = drm_device_to_vkms_device(conn->dev);
- struct vkms_output *output = &vkmsdev->output;
+ struct vkms_crtc *output = drm_crtc_to_vkms_crtc(connector_state->crtc);
struct drm_writeback_connector *wb_conn = &output->wb_connector;
- struct drm_connector_state *conn_state = wb_conn->base.state;
struct vkms_crtc_state *crtc_state = output->composer_state;
struct drm_framebuffer *fb = connector_state->writeback_job->fb;
u16 crtc_height = crtc_state->base.crtc->mode.vdisplay;
@@ -141,12 +138,12 @@ static void vkms_wb_atomic_commit(struct drm_connector
*conn,
struct vkms_frame_info *wb_frame_info;
u32 wb_format = fb->format->format;
- if (!conn_state)
+ if (!connector_state)
return;
- vkms_set_composer(&vkmsdev->output, true);
+ vkms_set_composer(output, true);
- active_wb = conn_state->writeback_job->priv;
+ active_wb = connector_state->writeback_job->priv;
wb_frame_info = &active_wb->wb_frame_info;
spin_lock_irq(&output->composer_lock);
@@ -167,9 +164,10 @@ static const struct drm_connector_helper_funcs
vkms_wb_conn_helper_funcs = {
.atomic_check = vkms_wb_atomic_check,
};
-int vkms_enable_writeback_connector(struct vkms_device *vkmsdev)
+int vkms_enable_writeback_connector(struct vkms_device *vkmsdev,
+ struct vkms_crtc *vkms_crtc)
{
- struct drm_writeback_connector *wb = &vkmsdev->output.wb_connector;
+ struct drm_writeback_connector *wb = &vkms_crtc->wb_connector;
drm_connector_helper_add(&wb->base, &vkms_wb_conn_helper_funcs);
diff --git a/drivers/gpu/drm/vkms/vkms_writeback.h
b/drivers/gpu/drm/vkms/vkms_writeback.h
index 44dff15faff6..39613a2408be 100644
--- a/drivers/gpu/drm/vkms/vkms_writeback.h
+++ b/drivers/gpu/drm/vkms/vkms_writeback.h
@@ -16,6 +16,6 @@ struct vkms_writeback_job {
};
/* Writeback */
-int vkms_enable_writeback_connector(struct vkms_device *vkmsdev);
+int vkms_enable_writeback_connector(struct vkms_device *vkmsdev, struct
vkms_crtc *vkms_crtc);
#endif //_VKMS_WRITEBACK_H
--
2.44.2
