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-rw-r--r--drivers/gpu/drm/vkms/Makefile2
-rw-r--r--drivers/gpu/drm/vkms/vkms_composer.c (renamed from drivers/gpu/drm/vkms/vkms_crc.c)169
-rw-r--r--drivers/gpu/drm/vkms/vkms_crtc.c100
-rw-r--r--drivers/gpu/drm/vkms/vkms_drv.c50
-rw-r--r--drivers/gpu/drm/vkms/vkms_drv.h44
-rw-r--r--drivers/gpu/drm/vkms/vkms_gem.c1
-rw-r--r--drivers/gpu/drm/vkms/vkms_output.c6
-rw-r--r--drivers/gpu/drm/vkms/vkms_plane.c46
8 files changed, 254 insertions, 164 deletions
diff --git a/drivers/gpu/drm/vkms/Makefile b/drivers/gpu/drm/vkms/Makefile
index 89f09bec7b23..0b767d7efa24 100644
--- a/drivers/gpu/drm/vkms/Makefile
+++ b/drivers/gpu/drm/vkms/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-vkms-y := vkms_drv.o vkms_plane.o vkms_output.o vkms_crtc.o vkms_gem.o vkms_crc.o
+vkms-y := vkms_drv.o vkms_plane.o vkms_output.o vkms_crtc.o vkms_gem.o vkms_composer.o
obj-$(CONFIG_DRM_VKMS) += vkms.o
diff --git a/drivers/gpu/drm/vkms/vkms_crc.c b/drivers/gpu/drm/vkms/vkms_composer.c
index e66ff25c008e..d5585695c64d 100644
--- a/drivers/gpu/drm/vkms/vkms_crc.c
+++ b/drivers/gpu/drm/vkms/vkms_composer.c
@@ -1,34 +1,37 @@
// SPDX-License-Identifier: GPL-2.0+
-#include "vkms_drv.h"
#include <linux/crc32.h>
+
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_vblank.h>
+
+#include "vkms_drv.h"
/**
* compute_crc - Compute CRC value on output frame
*
* @vaddr_out: address to final framebuffer
- * @crc_out: framebuffer's metadata
+ * @composer: framebuffer's metadata
*
* returns CRC value computed using crc32 on the visible portion of
* the final framebuffer at vaddr_out
*/
-static uint32_t compute_crc(void *vaddr_out, struct vkms_crc_data *crc_out)
+static uint32_t compute_crc(void *vaddr_out, struct vkms_composer *composer)
{
int i, j, src_offset;
- int x_src = crc_out->src.x1 >> 16;
- int y_src = crc_out->src.y1 >> 16;
- int h_src = drm_rect_height(&crc_out->src) >> 16;
- int w_src = drm_rect_width(&crc_out->src) >> 16;
+ int x_src = composer->src.x1 >> 16;
+ int y_src = composer->src.y1 >> 16;
+ int h_src = drm_rect_height(&composer->src) >> 16;
+ int w_src = drm_rect_width(&composer->src) >> 16;
u32 crc = 0;
for (i = y_src; i < y_src + h_src; ++i) {
for (j = x_src; j < x_src + w_src; ++j) {
- src_offset = crc_out->offset
- + (i * crc_out->pitch)
- + (j * crc_out->cpp);
+ src_offset = composer->offset
+ + (i * composer->pitch)
+ + (j * composer->cpp);
/* XRGB format ignores Alpha channel */
memset(vaddr_out + src_offset + 24, 0, 8);
crc = crc32_le(crc, vaddr_out + src_offset,
@@ -43,8 +46,8 @@ static uint32_t compute_crc(void *vaddr_out, struct vkms_crc_data *crc_out)
* blend - belnd value at vaddr_src with value at vaddr_dst
* @vaddr_dst: destination address
* @vaddr_src: source address
- * @crc_dst: destination framebuffer's metadata
- * @crc_src: source framebuffer's metadata
+ * @dest_composer: destination framebuffer's metadata
+ * @src_composer: source framebuffer's metadata
*
* Blend value at vaddr_src with value at vaddr_dst.
* Currently, this function write value at vaddr_src on value
@@ -55,31 +58,31 @@ static uint32_t compute_crc(void *vaddr_out, struct vkms_crc_data *crc_out)
* instead of overwriting it.
*/
static void blend(void *vaddr_dst, void *vaddr_src,
- struct vkms_crc_data *crc_dst,
- struct vkms_crc_data *crc_src)
+ struct vkms_composer *dest_composer,
+ struct vkms_composer *src_composer)
{
int i, j, j_dst, i_dst;
int offset_src, offset_dst;
- int x_src = crc_src->src.x1 >> 16;
- int y_src = crc_src->src.y1 >> 16;
+ int x_src = src_composer->src.x1 >> 16;
+ int y_src = src_composer->src.y1 >> 16;
- int x_dst = crc_src->dst.x1;
- int y_dst = crc_src->dst.y1;
- int h_dst = drm_rect_height(&crc_src->dst);
- int w_dst = drm_rect_width(&crc_src->dst);
+ int x_dst = src_composer->dst.x1;
+ int y_dst = src_composer->dst.y1;
+ int h_dst = drm_rect_height(&src_composer->dst);
+ int w_dst = drm_rect_width(&src_composer->dst);
int y_limit = y_src + h_dst;
int x_limit = x_src + w_dst;
for (i = y_src, i_dst = y_dst; i < y_limit; ++i) {
for (j = x_src, j_dst = x_dst; j < x_limit; ++j) {
- offset_dst = crc_dst->offset
- + (i_dst * crc_dst->pitch)
- + (j_dst++ * crc_dst->cpp);
- offset_src = crc_src->offset
- + (i * crc_src->pitch)
- + (j * crc_src->cpp);
+ offset_dst = dest_composer->offset
+ + (i_dst * dest_composer->pitch)
+ + (j_dst++ * dest_composer->cpp);
+ offset_src = src_composer->offset
+ + (i * src_composer->pitch)
+ + (j * src_composer->cpp);
memcpy(vaddr_dst + offset_dst,
vaddr_src + offset_src, sizeof(u32));
@@ -88,31 +91,27 @@ static void blend(void *vaddr_dst, void *vaddr_src,
}
}
-static void compose_cursor(struct vkms_crc_data *cursor_crc,
- struct vkms_crc_data *primary_crc, void *vaddr_out)
+static void compose_cursor(struct vkms_composer *cursor_composer,
+ struct vkms_composer *primary_composer,
+ void *vaddr_out)
{
struct drm_gem_object *cursor_obj;
struct vkms_gem_object *cursor_vkms_obj;
- cursor_obj = drm_gem_fb_get_obj(&cursor_crc->fb, 0);
+ cursor_obj = drm_gem_fb_get_obj(&cursor_composer->fb, 0);
cursor_vkms_obj = drm_gem_to_vkms_gem(cursor_obj);
- mutex_lock(&cursor_vkms_obj->pages_lock);
- if (!cursor_vkms_obj->vaddr) {
- DRM_WARN("cursor plane vaddr is NULL");
- goto out;
- }
-
- blend(vaddr_out, cursor_vkms_obj->vaddr, primary_crc, cursor_crc);
+ if (WARN_ON(!cursor_vkms_obj->vaddr))
+ return;
-out:
- mutex_unlock(&cursor_vkms_obj->pages_lock);
+ blend(vaddr_out, cursor_vkms_obj->vaddr,
+ primary_composer, cursor_composer);
}
-static uint32_t _vkms_get_crc(struct vkms_crc_data *primary_crc,
- struct vkms_crc_data *cursor_crc)
+static uint32_t _vkms_get_crc(struct vkms_composer *primary_composer,
+ struct vkms_composer *cursor_composer)
{
- struct drm_framebuffer *fb = &primary_crc->fb;
+ struct drm_framebuffer *fb = &primary_composer->fb;
struct drm_gem_object *gem_obj = drm_gem_fb_get_obj(fb, 0);
struct vkms_gem_object *vkms_obj = drm_gem_to_vkms_gem(gem_obj);
void *vaddr_out = kzalloc(vkms_obj->gem.size, GFP_KERNEL);
@@ -123,20 +122,17 @@ static uint32_t _vkms_get_crc(struct vkms_crc_data *primary_crc,
return 0;
}
- mutex_lock(&vkms_obj->pages_lock);
if (WARN_ON(!vkms_obj->vaddr)) {
- mutex_unlock(&vkms_obj->pages_lock);
kfree(vaddr_out);
return crc;
}
memcpy(vaddr_out, vkms_obj->vaddr, vkms_obj->gem.size);
- mutex_unlock(&vkms_obj->pages_lock);
- if (cursor_crc)
- compose_cursor(cursor_crc, primary_crc, vaddr_out);
+ if (cursor_composer)
+ compose_cursor(cursor_composer, primary_composer, vaddr_out);
- crc = compute_crc(vaddr_out, primary_crc);
+ crc = compute_crc(vaddr_out, primary_composer);
kfree(vaddr_out);
@@ -144,72 +140,57 @@ static uint32_t _vkms_get_crc(struct vkms_crc_data *primary_crc,
}
/**
- * vkms_crc_work_handle - ordered work_struct to compute CRC
+ * vkms_composer_worker - ordered work_struct to compute CRC
*
* @work: work_struct
*
- * Work handler for computing CRCs. work_struct scheduled in
+ * Work handler for composing and computing CRCs. work_struct scheduled in
* an ordered workqueue that's periodically scheduled to run by
* _vblank_handle() and flushed at vkms_atomic_crtc_destroy_state().
*/
-void vkms_crc_work_handle(struct work_struct *work)
+void vkms_composer_worker(struct work_struct *work)
{
struct vkms_crtc_state *crtc_state = container_of(work,
struct vkms_crtc_state,
- crc_work);
+ composer_work);
struct drm_crtc *crtc = crtc_state->base.crtc;
struct vkms_output *out = drm_crtc_to_vkms_output(crtc);
- struct vkms_device *vdev = container_of(out, struct vkms_device,
- output);
- struct vkms_crc_data *primary_crc = NULL;
- struct vkms_crc_data *cursor_crc = NULL;
- struct drm_plane *plane;
+ struct vkms_composer *primary_composer = NULL;
+ struct vkms_composer *cursor_composer = NULL;
u32 crc32 = 0;
u64 frame_start, frame_end;
- unsigned long flags;
+ bool crc_pending;
- spin_lock_irqsave(&out->state_lock, flags);
+ spin_lock_irq(&out->composer_lock);
frame_start = crtc_state->frame_start;
frame_end = crtc_state->frame_end;
- spin_unlock_irqrestore(&out->state_lock, flags);
-
- /* _vblank_handle() hasn't updated frame_start yet */
- if (!frame_start || frame_start == frame_end)
- goto out;
-
- drm_for_each_plane(plane, &vdev->drm) {
- struct vkms_plane_state *vplane_state;
- struct vkms_crc_data *crc_data;
-
- vplane_state = to_vkms_plane_state(plane->state);
- crc_data = vplane_state->crc_data;
+ crc_pending = crtc_state->crc_pending;
+ crtc_state->frame_start = 0;
+ crtc_state->frame_end = 0;
+ crtc_state->crc_pending = false;
+ spin_unlock_irq(&out->composer_lock);
- if (drm_framebuffer_read_refcount(&crc_data->fb) == 0)
- continue;
+ /*
+ * We raced with the vblank hrtimer and previous work already computed
+ * the crc, nothing to do.
+ */
+ if (!crc_pending)
+ return;
- if (plane->type == DRM_PLANE_TYPE_PRIMARY)
- primary_crc = crc_data;
- else
- cursor_crc = crc_data;
- }
+ if (crtc_state->num_active_planes >= 1)
+ primary_composer = crtc_state->active_planes[0]->composer;
- if (primary_crc)
- crc32 = _vkms_get_crc(primary_crc, cursor_crc);
+ if (crtc_state->num_active_planes == 2)
+ cursor_composer = crtc_state->active_planes[1]->composer;
- frame_end = drm_crtc_accurate_vblank_count(crtc);
+ if (primary_composer)
+ crc32 = _vkms_get_crc(primary_composer, cursor_composer);
- /* queue_work can fail to schedule crc_work; add crc for
- * missing frames
+ /*
+ * The worker can fall behind the vblank hrtimer, make sure we catch up.
*/
while (frame_start <= frame_end)
drm_crtc_add_crc_entry(crtc, true, frame_start++, &crc32);
-
-out:
- /* to avoid using the same value for frame number again */
- spin_lock_irqsave(&out->state_lock, flags);
- crtc_state->frame_end = frame_end;
- crtc_state->frame_start = 0;
- spin_unlock_irqrestore(&out->state_lock, flags);
}
static const char * const pipe_crc_sources[] = {"auto"};
@@ -256,17 +237,13 @@ int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name)
{
struct vkms_output *out = drm_crtc_to_vkms_output(crtc);
bool enabled = false;
- unsigned long flags;
int ret = 0;
ret = vkms_crc_parse_source(src_name, &enabled);
- /* make sure nothing is scheduled on crtc workq */
- flush_workqueue(out->crc_workq);
-
- spin_lock_irqsave(&out->lock, flags);
- out->crc_enabled = enabled;
- spin_unlock_irqrestore(&out->lock, flags);
+ spin_lock_irq(&out->lock);
+ out->composer_enabled = enabled;
+ spin_unlock_irq(&out->lock);
return ret;
}
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c
index 4d11292bc6f3..927dafaebc76 100644
--- a/drivers/gpu/drm/vkms/vkms_crtc.c
+++ b/drivers/gpu/drm/vkms/vkms_crtc.c
@@ -1,15 +1,18 @@
// SPDX-License-Identifier: GPL-2.0+
-#include "vkms_drv.h"
+#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
+
+#include "vkms_drv.h"
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_state *state = to_vkms_crtc_state(crtc->state);
+ struct vkms_crtc_state *state;
u64 ret_overrun;
bool ret;
@@ -23,20 +26,26 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer)
if (!ret)
DRM_ERROR("vkms failure on handling vblank");
- if (state && output->crc_enabled) {
+ state = output->composer_state;
+ if (state && output->composer_enabled) {
u64 frame = drm_crtc_accurate_vblank_count(crtc);
- /* update frame_start only if a queued vkms_crc_work_handle()
+ /* update frame_start only if a queued vkms_composer_worker()
* has read the data
*/
- spin_lock(&output->state_lock);
- if (!state->frame_start)
+ spin_lock(&output->composer_lock);
+ if (!state->crc_pending)
state->frame_start = frame;
- spin_unlock(&output->state_lock);
+ else
+ DRM_DEBUG_DRIVER("crc worker falling behind, frame_start: %llu, frame_end: %llu\n",
+ state->frame_start, frame);
+ state->frame_end = frame;
+ state->crc_pending = true;
+ spin_unlock(&output->composer_lock);
- ret = queue_work(output->crc_workq, &state->crc_work);
+ ret = queue_work(output->composer_workq, &state->composer_work);
if (!ret)
- DRM_WARN("failed to queue vkms_crc_work_handle");
+ DRM_DEBUG_DRIVER("Composer worker already queued\n");
}
spin_unlock(&output->lock);
@@ -107,7 +116,7 @@ vkms_atomic_crtc_duplicate_state(struct drm_crtc *crtc)
__drm_atomic_helper_crtc_duplicate_state(crtc, &vkms_state->base);
- INIT_WORK(&vkms_state->crc_work, vkms_crc_work_handle);
+ INIT_WORK(&vkms_state->composer_work, vkms_composer_worker);
return &vkms_state->base;
}
@@ -119,10 +128,9 @@ static void vkms_atomic_crtc_destroy_state(struct drm_crtc *crtc,
__drm_atomic_helper_crtc_destroy_state(state);
- if (vkms_state) {
- flush_work(&vkms_state->crc_work);
- kfree(vkms_state);
- }
+ WARN_ON(work_pending(&vkms_state->composer_work));
+ kfree(vkms_state->active_planes);
+ kfree(vkms_state);
}
static void vkms_atomic_crtc_reset(struct drm_crtc *crtc)
@@ -135,7 +143,7 @@ static void vkms_atomic_crtc_reset(struct drm_crtc *crtc)
__drm_atomic_helper_crtc_reset(crtc, &vkms_state->base);
if (vkms_state)
- INIT_WORK(&vkms_state->crc_work, vkms_crc_work_handle);
+ INIT_WORK(&vkms_state->composer_work, vkms_composer_worker);
}
static const struct drm_crtc_funcs vkms_crtc_funcs = {
@@ -152,6 +160,52 @@ static const struct drm_crtc_funcs vkms_crtc_funcs = {
.verify_crc_source = vkms_verify_crc_source,
};
+static int vkms_crtc_atomic_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ struct vkms_crtc_state *vkms_state = to_vkms_crtc_state(state);
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
+ int i = 0, ret;
+
+ if (vkms_state->active_planes)
+ return 0;
+
+ ret = drm_atomic_add_affected_planes(state->state, crtc);
+ if (ret < 0)
+ return ret;
+
+ drm_for_each_plane_mask(plane, crtc->dev, state->plane_mask) {
+ plane_state = drm_atomic_get_existing_plane_state(state->state,
+ plane);
+ WARN_ON(!plane_state);
+
+ if (!plane_state->visible)
+ continue;
+
+ i++;
+ }
+
+ vkms_state->active_planes = kcalloc(i, sizeof(plane), GFP_KERNEL);
+ if (!vkms_state->active_planes)
+ return -ENOMEM;
+ vkms_state->num_active_planes = i;
+
+ i = 0;
+ drm_for_each_plane_mask(plane, crtc->dev, state->plane_mask) {
+ plane_state = drm_atomic_get_existing_plane_state(state->state,
+ plane);
+
+ if (!plane_state->visible)
+ continue;
+
+ vkms_state->active_planes[i++] =
+ to_vkms_plane_state(plane_state);
+ }
+
+ return 0;
+}
+
static void vkms_crtc_atomic_enable(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
@@ -170,7 +224,7 @@ static void vkms_crtc_atomic_begin(struct drm_crtc *crtc,
struct vkms_output *vkms_output = drm_crtc_to_vkms_output(crtc);
/* This lock is held across the atomic commit to block vblank timer
- * from scheduling vkms_crc_work_handle until the crc_data is updated
+ * from scheduling vkms_composer_worker until the composer is updated
*/
spin_lock_irq(&vkms_output->lock);
}
@@ -179,25 +233,27 @@ static void vkms_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
struct vkms_output *vkms_output = drm_crtc_to_vkms_output(crtc);
- unsigned long flags;
if (crtc->state->event) {
- spin_lock_irqsave(&crtc->dev->event_lock, flags);
+ spin_lock(&crtc->dev->event_lock);
if (drm_crtc_vblank_get(crtc) != 0)
drm_crtc_send_vblank_event(crtc, crtc->state->event);
else
drm_crtc_arm_vblank_event(crtc, crtc->state->event);
- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+ spin_unlock(&crtc->dev->event_lock);
crtc->state->event = NULL;
}
+ vkms_output->composer_state = to_vkms_crtc_state(crtc->state);
+
spin_unlock_irq(&vkms_output->lock);
}
static const struct drm_crtc_helper_funcs vkms_crtc_helper_funcs = {
+ .atomic_check = vkms_crtc_atomic_check,
.atomic_begin = vkms_crtc_atomic_begin,
.atomic_flush = vkms_crtc_atomic_flush,
.atomic_enable = vkms_crtc_atomic_enable,
@@ -220,10 +276,10 @@ int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
drm_crtc_helper_add(crtc, &vkms_crtc_helper_funcs);
spin_lock_init(&vkms_out->lock);
- spin_lock_init(&vkms_out->state_lock);
+ spin_lock_init(&vkms_out->composer_lock);
- vkms_out->crc_workq = alloc_ordered_workqueue("vkms_crc_workq", 0);
- if (!vkms_out->crc_workq)
+ vkms_out->composer_workq = alloc_ordered_workqueue("vkms_composer", 0);
+ if (!vkms_out->composer_workq)
return -ENOMEM;
return ret;
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 738dd6206d85..44ab9f8ef8be 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -10,11 +10,19 @@
*/
#include <linux/module.h>
-#include <drm/drm_gem.h>
+#include <linux/platform_device.h>
+
+#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_drv.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_file.h>
+#include <drm/drm_gem.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_ioctl.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
+
#include "vkms_drv.h"
#define DRIVER_NAME "vkms"
@@ -55,7 +63,36 @@ static void vkms_release(struct drm_device *dev)
drm_atomic_helper_shutdown(&vkms->drm);
drm_mode_config_cleanup(&vkms->drm);
drm_dev_fini(&vkms->drm);
- destroy_workqueue(vkms->output.crc_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;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state;
+ int i;
+
+ drm_atomic_helper_commit_modeset_disables(dev, old_state);
+
+ drm_atomic_helper_commit_planes(dev, old_state, 0);
+
+ drm_atomic_helper_commit_modeset_enables(dev, old_state);
+
+ drm_atomic_helper_fake_vblank(old_state);
+
+ drm_atomic_helper_commit_hw_done(old_state);
+
+ drm_atomic_helper_wait_for_vblanks(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);
+
+ flush_work(&vkms_state->composer_work);
+ }
+
+ drm_atomic_helper_cleanup_planes(dev, old_state);
}
static struct drm_driver vkms_driver = {
@@ -80,6 +117,10 @@ static const struct drm_mode_config_funcs vkms_mode_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};
+static const struct drm_mode_config_helper_funcs vkms_mode_config_helpers = {
+ .atomic_commit_tail = vkms_atomic_commit_tail,
+};
+
static int vkms_modeset_init(struct vkms_device *vkmsdev)
{
struct drm_device *dev = &vkmsdev->drm;
@@ -91,8 +132,9 @@ static int vkms_modeset_init(struct vkms_device *vkmsdev)
dev->mode_config.max_width = XRES_MAX;
dev->mode_config.max_height = YRES_MAX;
dev->mode_config.preferred_depth = 24;
+ dev->mode_config.helper_private = &vkms_mode_config_helpers;
- return vkms_output_init(vkmsdev);
+ return vkms_output_init(vkmsdev, 0);
}
static int __init vkms_init(void)
diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
index b92c30c66a6f..5a95100fa18b 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.h
+++ b/drivers/gpu/drm/vkms/vkms_drv.h
@@ -3,11 +3,11 @@
#ifndef _VKMS_DRV_H_
#define _VKMS_DRV_H_
-#include <drm/drmP.h>
+#include <linux/hrtimer.h>
+
#include <drm/drm.h>
#include <drm/drm_gem.h>
#include <drm/drm_encoder.h>
-#include <linux/hrtimer.h>
#define XRES_MIN 20
#define YRES_MIN 20
@@ -20,7 +20,7 @@
extern bool enable_cursor;
-struct vkms_crc_data {
+struct vkms_composer {
struct drm_framebuffer fb;
struct drm_rect src, dst;
unsigned int offset;
@@ -31,23 +31,30 @@ struct vkms_crc_data {
/**
* vkms_plane_state - Driver specific plane state
* @base: base plane state
- * @crc_data: data required for CRC computation
+ * @composer: data required for composing computation
*/
struct vkms_plane_state {
struct drm_plane_state base;
- struct vkms_crc_data *crc_data;
+ struct vkms_composer *composer;
};
/**
* vkms_crtc_state - Driver specific CRTC state
* @base: base CRTC state
- * @crc_work: work struct to compute and add CRC entries
+ * @composer_work: work struct to compose and add CRC entries
* @n_frame_start: start frame number for computed CRC
* @n_frame_end: end frame number for computed CRC
*/
struct vkms_crtc_state {
struct drm_crtc_state base;
- struct work_struct crc_work;
+ struct work_struct composer_work;
+
+ int num_active_planes;
+ /* stack of active planes for crc computation, should be in z order */
+ struct vkms_plane_state **active_planes;
+
+ /* below three are protected by vkms_output.composer_lock */
+ bool crc_pending;
u64 frame_start;
u64 frame_end;
};
@@ -59,13 +66,16 @@ struct vkms_output {
struct hrtimer vblank_hrtimer;
ktime_t period_ns;
struct drm_pending_vblank_event *event;
- bool crc_enabled;
- /* ordered wq for crc_work */
- struct workqueue_struct *crc_workq;
- /* protects concurrent access to crc_data */
+ /* ordered wq for composer_work */
+ struct workqueue_struct *composer_workq;
+ /* protects concurrent access to composer */
spinlock_t lock;
- /* protects concurrent access to crtc_state */
- spinlock_t state_lock;
+
+ /* protected by @lock */
+ bool composer_enabled;
+ struct vkms_crtc_state *composer_state;
+
+ spinlock_t composer_lock;
};
struct vkms_device {
@@ -105,10 +115,10 @@ bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
int *max_error, ktime_t *vblank_time,
bool in_vblank_irq);
-int vkms_output_init(struct vkms_device *vkmsdev);
+int vkms_output_init(struct vkms_device *vkmsdev, int index);
struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
- enum drm_plane_type type);
+ enum drm_plane_type type, int index);
/* Gem stuff */
struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
@@ -133,6 +143,8 @@ const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,
int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
size_t *values_cnt);
-void vkms_crc_work_handle(struct work_struct *work);
+
+/* Composer Support */
+void vkms_composer_worker(struct work_struct *work);
#endif /* _VKMS_DRV_H_ */
diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c
index 69048e73377d..6489bfe0a149 100644
--- a/drivers/gpu/drm/vkms/vkms_gem.c
+++ b/drivers/gpu/drm/vkms/vkms_gem.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
#include <linux/shmem_fs.h>
+#include <linux/vmalloc.h>
#include "vkms_drv.h"
diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
index 56fb5c2a2315..fb1941a6522c 100644
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ b/drivers/gpu/drm/vkms/vkms_output.c
@@ -35,7 +35,7 @@ static const struct drm_connector_helper_funcs vkms_conn_helper_funcs = {
.get_modes = vkms_conn_get_modes,
};
-int vkms_output_init(struct vkms_device *vkmsdev)
+int vkms_output_init(struct vkms_device *vkmsdev, int index)
{
struct vkms_output *output = &vkmsdev->output;
struct drm_device *dev = &vkmsdev->drm;
@@ -45,12 +45,12 @@ int vkms_output_init(struct vkms_device *vkmsdev)
struct drm_plane *primary, *cursor = NULL;
int ret;
- primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY);
+ primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY, index);
if (IS_ERR(primary))
return PTR_ERR(primary);
if (enable_cursor) {
- cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR);
+ cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR, index);
if (IS_ERR(cursor)) {
ret = PTR_ERR(cursor);
goto err_cursor;
diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
index 0fceb6258422..5fc8f85aaf3d 100644
--- a/drivers/gpu/drm/vkms/vkms_plane.c
+++ b/drivers/gpu/drm/vkms/vkms_plane.c
@@ -1,10 +1,12 @@
// SPDX-License-Identifier: GPL-2.0+
-#include "vkms_drv.h"
-#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_fourcc.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_plane_helper.h>
+
+#include "vkms_drv.h"
static const u32 vkms_formats[] = {
DRM_FORMAT_XRGB8888,
@@ -18,20 +20,20 @@ static struct drm_plane_state *
vkms_plane_duplicate_state(struct drm_plane *plane)
{
struct vkms_plane_state *vkms_state;
- struct vkms_crc_data *crc_data;
+ struct vkms_composer *composer;
vkms_state = kzalloc(sizeof(*vkms_state), GFP_KERNEL);
if (!vkms_state)
return NULL;
- crc_data = kzalloc(sizeof(*crc_data), GFP_KERNEL);
- if (!crc_data) {
- DRM_DEBUG_KMS("Couldn't allocate crc_data\n");
+ composer = kzalloc(sizeof(*composer), GFP_KERNEL);
+ if (!composer) {
+ DRM_DEBUG_KMS("Couldn't allocate composer\n");
kfree(vkms_state);
return NULL;
}
- vkms_state->crc_data = crc_data;
+ vkms_state->composer = composer;
__drm_atomic_helper_plane_duplicate_state(plane,
&vkms_state->base);
@@ -49,12 +51,12 @@ static void vkms_plane_destroy_state(struct drm_plane *plane,
/* dropping the reference we acquired in
* vkms_primary_plane_update()
*/
- if (drm_framebuffer_read_refcount(&vkms_state->crc_data->fb))
- drm_framebuffer_put(&vkms_state->crc_data->fb);
+ if (drm_framebuffer_read_refcount(&vkms_state->composer->fb))
+ drm_framebuffer_put(&vkms_state->composer->fb);
}
- kfree(vkms_state->crc_data);
- vkms_state->crc_data = NULL;
+ kfree(vkms_state->composer);
+ vkms_state->composer = NULL;
__drm_atomic_helper_plane_destroy_state(old_state);
kfree(vkms_state);
@@ -91,21 +93,21 @@ static void vkms_plane_atomic_update(struct drm_plane *plane,
{
struct vkms_plane_state *vkms_plane_state;
struct drm_framebuffer *fb = plane->state->fb;
- struct vkms_crc_data *crc_data;
+ struct vkms_composer *composer;
if (!plane->state->crtc || !fb)
return;
vkms_plane_state = to_vkms_plane_state(plane->state);
- crc_data = vkms_plane_state->crc_data;
- memcpy(&crc_data->src, &plane->state->src, sizeof(struct drm_rect));
- memcpy(&crc_data->dst, &plane->state->dst, sizeof(struct drm_rect));
- memcpy(&crc_data->fb, fb, sizeof(struct drm_framebuffer));
- drm_framebuffer_get(&crc_data->fb);
- crc_data->offset = fb->offsets[0];
- crc_data->pitch = fb->pitches[0];
- crc_data->cpp = fb->format->cpp[0];
+ composer = vkms_plane_state->composer;
+ memcpy(&composer->src, &plane->state->src, sizeof(struct drm_rect));
+ memcpy(&composer->dst, &plane->state->dst, sizeof(struct drm_rect));
+ memcpy(&composer->fb, fb, sizeof(struct drm_framebuffer));
+ drm_framebuffer_get(&composer->fb);
+ composer->offset = fb->offsets[0];
+ composer->pitch = fb->pitches[0];
+ composer->cpp = fb->format->cpp[0];
}
static int vkms_plane_atomic_check(struct drm_plane *plane,
@@ -176,7 +178,7 @@ static const struct drm_plane_helper_funcs vkms_primary_helper_funcs = {
};
struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
- enum drm_plane_type type)
+ enum drm_plane_type type, int index)
{
struct drm_device *dev = &vkmsdev->drm;
const struct drm_plane_helper_funcs *funcs;
@@ -198,7 +200,7 @@ struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
funcs = &vkms_primary_helper_funcs;
}
- ret = drm_universal_plane_init(dev, plane, 0,
+ ret = drm_universal_plane_init(dev, plane, 1 << index,
&vkms_plane_funcs,
formats, nformats,
NULL, type, NULL);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 09:33:28 +0000