[PATCH] drm/bochs: use simple display pipe
Gerd Hoffmann
kraxel at redhat.com
Wed Apr 10 07:48:28 UTC 2019
Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
drivers/gpu/drm/bochs/bochs.h | 6 +-
drivers/gpu/drm/bochs/bochs_kms.c | 178 +++++++++---------------------
2 files changed, 53 insertions(+), 131 deletions(-)
diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index a7f6723bebdd..36f6ee725d13 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -7,6 +7,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/drm_gem.h>
@@ -69,9 +70,8 @@ struct bochs_device {
struct edid *edid;
/* drm */
- struct drm_device *dev;
- struct drm_crtc crtc;
- struct drm_encoder encoder;
+ struct drm_device *dev;
+ struct drm_simple_display_pipe pipe;
struct drm_connector connector;
/* ttm */
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 485f9cf05e8b..5e905f50449d 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -22,76 +22,55 @@ MODULE_PARM_DESC(defy, "default y resolution");
/* ---------------------------------------------------------------------- */
-static void bochs_crtc_mode_set_nofb(struct drm_crtc *crtc)
-{
- struct bochs_device *bochs =
- container_of(crtc, struct bochs_device, crtc);
-
- bochs_hw_setmode(bochs, &crtc->mode);
-}
-
-static void bochs_crtc_atomic_enable(struct drm_crtc *crtc,
- struct drm_crtc_state *old_crtc_state)
-{
-}
-
-static void bochs_crtc_atomic_flush(struct drm_crtc *crtc,
- struct drm_crtc_state *old_crtc_state)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_pending_vblank_event *event;
-
- if (crtc->state && crtc->state->event) {
- unsigned long irqflags;
-
- spin_lock_irqsave(&dev->event_lock, irqflags);
- event = crtc->state->event;
- crtc->state->event = NULL;
- drm_crtc_send_vblank_event(crtc, event);
- spin_unlock_irqrestore(&dev->event_lock, irqflags);
- }
-}
-
-
-/* These provide the minimum set of functions required to handle a CRTC */
-static const struct drm_crtc_funcs bochs_crtc_funcs = {
- .set_config = drm_atomic_helper_set_config,
- .destroy = drm_crtc_cleanup,
- .page_flip = drm_atomic_helper_page_flip,
- .reset = drm_atomic_helper_crtc_reset,
- .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
-};
-
-static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
- .mode_set_nofb = bochs_crtc_mode_set_nofb,
- .atomic_enable = bochs_crtc_atomic_enable,
- .atomic_flush = bochs_crtc_atomic_flush,
-};
-
static const uint32_t bochs_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_BGRX8888,
};
-static void bochs_plane_atomic_update(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+static void bochs_plane_update(struct bochs_device *bochs,
+ struct drm_plane_state *state)
{
- struct bochs_device *bochs = plane->dev->dev_private;
struct bochs_bo *bo;
- if (!plane->state->fb)
+ if (!state->fb || !bochs->stride)
return;
- bo = gem_to_bochs_bo(plane->state->fb->obj[0]);
+
+ bo = gem_to_bochs_bo(state->fb->obj[0]);
bochs_hw_setbase(bochs,
- plane->state->crtc_x,
- plane->state->crtc_y,
+ state->crtc_x,
+ state->crtc_y,
bo->bo.offset);
- bochs_hw_setformat(bochs, plane->state->fb->format);
+ bochs_hw_setformat(bochs, state->fb->format);
}
-static int bochs_plane_prepare_fb(struct drm_plane *plane,
- struct drm_plane_state *new_state)
+static void bochs_pipe_enable(struct drm_simple_display_pipe *pipe,
+ struct drm_crtc_state *crtc_state,
+ struct drm_plane_state *plane_state)
+{
+ struct bochs_device *bochs = pipe->crtc.dev->dev_private;
+
+ bochs_hw_setmode(bochs, &crtc_state->mode);
+ bochs_plane_update(bochs, plane_state);
+}
+
+static void bochs_pipe_update(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *old_state)
+{
+ struct bochs_device *bochs = pipe->crtc.dev->dev_private;
+ struct drm_crtc *crtc = &pipe->crtc;
+
+ bochs_plane_update(bochs, pipe->plane.state);
+
+ if (crtc->state->event) {
+ spin_lock_irq(&crtc->dev->event_lock);
+ drm_crtc_send_vblank_event(crtc, crtc->state->event);
+ crtc->state->event = NULL;
+ spin_unlock_irq(&crtc->dev->event_lock);
+ }
+}
+
+static int bochs_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *new_state)
{
struct bochs_bo *bo;
@@ -101,8 +80,8 @@ static int bochs_plane_prepare_fb(struct drm_plane *plane,
return bochs_bo_pin(bo, TTM_PL_FLAG_VRAM);
}
-static void bochs_plane_cleanup_fb(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+static void bochs_pipe_cleanup_fb(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *old_state)
{
struct bochs_bo *bo;
@@ -112,73 +91,13 @@ static void bochs_plane_cleanup_fb(struct drm_plane *plane,
bochs_bo_unpin(bo);
}
-static const struct drm_plane_helper_funcs bochs_plane_helper_funcs = {
- .atomic_update = bochs_plane_atomic_update,
- .prepare_fb = bochs_plane_prepare_fb,
- .cleanup_fb = bochs_plane_cleanup_fb,
+static const struct drm_simple_display_pipe_funcs bochs_pipe_funcs = {
+ .enable = bochs_pipe_enable,
+ .update = bochs_pipe_update,
+ .prepare_fb = bochs_pipe_prepare_fb,
+ .cleanup_fb = bochs_pipe_cleanup_fb,
};
-static const struct drm_plane_funcs bochs_plane_funcs = {
- .update_plane = drm_atomic_helper_update_plane,
- .disable_plane = drm_atomic_helper_disable_plane,
- .destroy = drm_primary_helper_destroy,
- .reset = drm_atomic_helper_plane_reset,
- .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
-};
-
-static struct drm_plane *bochs_primary_plane(struct drm_device *dev)
-{
- struct drm_plane *primary;
- int ret;
-
- primary = kzalloc(sizeof(*primary), GFP_KERNEL);
- if (primary == NULL) {
- DRM_DEBUG_KMS("Failed to allocate primary plane\n");
- return NULL;
- }
-
- ret = drm_universal_plane_init(dev, primary, 0,
- &bochs_plane_funcs,
- bochs_formats,
- ARRAY_SIZE(bochs_formats),
- NULL,
- DRM_PLANE_TYPE_PRIMARY, NULL);
- if (ret) {
- kfree(primary);
- return NULL;
- }
-
- drm_plane_helper_add(primary, &bochs_plane_helper_funcs);
- return primary;
-}
-
-static void bochs_crtc_init(struct drm_device *dev)
-{
- struct bochs_device *bochs = dev->dev_private;
- struct drm_crtc *crtc = &bochs->crtc;
- struct drm_plane *primary = bochs_primary_plane(dev);
-
- drm_crtc_init_with_planes(dev, crtc, primary, NULL,
- &bochs_crtc_funcs, NULL);
- drm_crtc_helper_add(crtc, &bochs_helper_funcs);
-}
-
-static const struct drm_encoder_funcs bochs_encoder_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-static void bochs_encoder_init(struct drm_device *dev)
-{
- struct bochs_device *bochs = dev->dev_private;
- struct drm_encoder *encoder = &bochs->encoder;
-
- encoder->possible_crtcs = 0x1;
- drm_encoder_init(dev, encoder, &bochs_encoder_encoder_funcs,
- DRM_MODE_ENCODER_DAC, NULL);
-}
-
-
static int bochs_connector_get_modes(struct drm_connector *connector)
{
struct bochs_device *bochs =
@@ -278,11 +197,14 @@ int bochs_kms_init(struct bochs_device *bochs)
bochs->dev->mode_config.funcs = &bochs_mode_funcs;
- bochs_crtc_init(bochs->dev);
- bochs_encoder_init(bochs->dev);
bochs_connector_init(bochs->dev);
- drm_connector_attach_encoder(&bochs->connector,
- &bochs->encoder);
+ drm_simple_display_pipe_init(bochs->dev,
+ &bochs->pipe,
+ &bochs_pipe_funcs,
+ bochs_formats,
+ ARRAY_SIZE(bochs_formats),
+ NULL,
+ &bochs->connector);
drm_mode_config_reset(bochs->dev);
--
2.18.1
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