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[108.46.233.209]) by smtp.gmail.com with ESMTPSA id l6-20020a5d4106000000b0030c2e3c7fb3sm453223wrp.101.2023.06.23.15.25.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Jun 2023 15:25:30 -0700 (PDT) From: Jim Shargo To: mairacanal@riseup.net, Daniel Vetter , David Airlie , Haneen Mohammed , Jonathan Corbet , Maarten Lankhorst , Maxime Ripard , Melissa Wen , Rodrigo Siqueira , Thomas Zimmermann Subject: [PATCH v2 2/6] drm/vkms: Support multiple DRM objects (crtcs, etc.) per VKMS device Date: Fri, 23 Jun 2023 18:23:44 -0400 Message-ID: <20230623222353.97283-3-jshargo@chromium.org> X-Mailer: git-send-email 2.41.0.162.gfafddb0af9-goog In-Reply-To: <20230623222353.97283-1-jshargo@chromium.org> References: <20230623222353.97283-1-jshargo@chromium.org> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jim Shargo , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This change supports multiple CRTCs, encoders, connectors instead of one of each per device. Since ConfigFS-based devices will support multiple crtcs, it's useful to move all of the writeback/composition data from being per-"output" to being per-CRTC. Since there's still only ever one CRTC, this should be a no-op refactor. Signed-off-by: Jim Shargo --- drivers/gpu/drm/vkms/vkms_composer.c | 28 +++--- drivers/gpu/drm/vkms/vkms_crtc.c | 95 +++++++++++--------- drivers/gpu/drm/vkms/vkms_drv.c | 14 +-- drivers/gpu/drm/vkms/vkms_drv.h | 65 +++++++++----- drivers/gpu/drm/vkms/vkms_output.c | 123 ++++++++++++++++++-------- drivers/gpu/drm/vkms/vkms_plane.c | 44 ++++++--- drivers/gpu/drm/vkms/vkms_writeback.c | 26 +++--- 7 files changed, 252 insertions(+), 143 deletions(-) diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c index 1636ce3a79f9..75fa42e0ec07 100644 --- a/drivers/gpu/drm/vkms/vkms_composer.c +++ b/drivers/gpu/drm/vkms/vkms_composer.c @@ -230,13 +230,13 @@ 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 *vkms_crtc = drm_crtc_to_vkms_crtc(crtc); bool crc_pending, wb_pending; u64 frame_start, frame_end; u32 crc32 = 0; int ret; - spin_lock_irq(&out->composer_lock); + spin_lock_irq(&vkms_crtc->composer_lock); frame_start = crtc_state->frame_start; frame_end = crtc_state->frame_end; crc_pending = crtc_state->crc_pending; @@ -244,7 +244,7 @@ void vkms_composer_worker(struct work_struct *work) crtc_state->frame_start = 0; crtc_state->frame_end = 0; crtc_state->crc_pending = false; - spin_unlock_irq(&out->composer_lock); + spin_unlock_irq(&vkms_crtc->composer_lock); /* * We raced with the vblank hrtimer and previous work already computed @@ -262,10 +262,10 @@ void vkms_composer_worker(struct work_struct *work) return; if (wb_pending) { - drm_writeback_signal_completion(&out->wb_connector, 0); - spin_lock_irq(&out->composer_lock); + drm_writeback_signal_completion(&vkms_crtc->wb_connector, 0); + spin_lock_irq(&vkms_crtc->composer_lock); crtc_state->wb_pending = false; - spin_unlock_irq(&out->composer_lock); + spin_unlock_irq(&vkms_crtc->composer_lock); } /* @@ -315,25 +315,25 @@ 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 *vkms_crtc, bool enabled) { bool old_enabled; if (enabled) - drm_crtc_vblank_get(&out->crtc); + drm_crtc_vblank_get(&vkms_crtc->base); - spin_lock_irq(&out->lock); - old_enabled = out->composer_enabled; - out->composer_enabled = enabled; - spin_unlock_irq(&out->lock); + spin_lock_irq(&vkms_crtc->lock); + old_enabled = vkms_crtc->composer_enabled; + vkms_crtc->composer_enabled = enabled; + spin_unlock_irq(&vkms_crtc->lock); if (old_enabled) - drm_crtc_vblank_put(&out->crtc); + drm_crtc_vblank_put(&vkms_crtc->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_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index 515f6772b866..d91e49c53adc 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -11,35 +11,34 @@ 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 *vkms_crtc = timer_to_vkms_crtc(timer); + struct drm_crtc *crtc = &vkms_crtc->base; struct vkms_crtc_state *state; u64 ret_overrun; bool ret, fence_cookie; fence_cookie = dma_fence_begin_signalling(); - ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer, - output->period_ns); + ret_overrun = hrtimer_forward_now(&vkms_crtc->vblank_hrtimer, + vkms_crtc->period_ns); if (ret_overrun != 1) pr_warn("%s: vblank timer overrun\n", __func__); - spin_lock(&output->lock); + spin_lock(&vkms_crtc->lock); ret = drm_crtc_handle_vblank(crtc); if (!ret) DRM_ERROR("vkms failure on handling vblank"); - state = output->composer_state; - spin_unlock(&output->lock); + state = vkms_crtc->composer_state; + spin_unlock(&vkms_crtc->lock); - if (state && output->composer_enabled) { + if (state && vkms_crtc->composer_enabled) { u64 frame = drm_crtc_accurate_vblank_count(crtc); /* update frame_start only if a queued vkms_composer_worker() * has read the data */ - spin_lock(&output->composer_lock); + spin_lock(&vkms_crtc->composer_lock); if (!state->crc_pending) state->frame_start = frame; else @@ -47,9 +46,10 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) state->frame_start, frame); state->frame_end = frame; state->crc_pending = true; - spin_unlock(&output->composer_lock); + spin_unlock(&vkms_crtc->composer_lock); - ret = queue_work(output->composer_workq, &state->composer_work); + ret = queue_work(vkms_crtc->composer_workq, + &state->composer_work); if (!ret) DRM_DEBUG_DRIVER("Composer worker already queued\n"); } @@ -62,25 +62,27 @@ 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 vkms_crtc *vkms_crtc = drm_crtc_to_vkms_crtc(crtc); unsigned int pipe = drm_crtc_index(crtc); struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; - struct vkms_output *out = drm_crtc_to_vkms_output(crtc); drm_calc_timestamping_constants(crtc, &crtc->mode); - hrtimer_init(&out->vblank_hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - out->vblank_hrtimer.function = &vkms_vblank_simulate; - out->period_ns = ktime_set(0, vblank->framedur_ns); - hrtimer_start(&out->vblank_hrtimer, out->period_ns, HRTIMER_MODE_REL); + hrtimer_init(&vkms_crtc->vblank_hrtimer, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); + vkms_crtc->vblank_hrtimer.function = &vkms_vblank_simulate; + vkms_crtc->period_ns = ktime_set(0, vblank->framedur_ns); + hrtimer_start(&vkms_crtc->vblank_hrtimer, vkms_crtc->period_ns, + HRTIMER_MODE_REL); return 0; } static void vkms_disable_vblank(struct drm_crtc *crtc) { - struct vkms_output *out = drm_crtc_to_vkms_output(crtc); + struct vkms_crtc *vkms_crtc = drm_crtc_to_vkms_crtc(crtc); - hrtimer_cancel(&out->vblank_hrtimer); + hrtimer_cancel(&vkms_crtc->vblank_hrtimer); } static bool vkms_get_vblank_timestamp(struct drm_crtc *crtc, @@ -88,9 +90,8 @@ static bool vkms_get_vblank_timestamp(struct drm_crtc *crtc, bool in_vblank_irq) { struct drm_device *dev = crtc->dev; + struct vkms_crtc *vkms_crtc = drm_crtc_to_vkms_crtc(crtc); unsigned int pipe = crtc->index; - struct vkms_device *vkmsdev = drm_device_to_vkms_device(dev); - struct vkms_output *output = &vkmsdev->output; struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; if (!READ_ONCE(vblank->enabled)) { @@ -98,7 +99,7 @@ static bool vkms_get_vblank_timestamp(struct drm_crtc *crtc, return true; } - *vblank_time = READ_ONCE(output->vblank_hrtimer.node.expires); + *vblank_time = READ_ONCE(vkms_crtc->vblank_hrtimer.node.expires); if (WARN_ON(*vblank_time == vblank->time)) return true; @@ -110,7 +111,7 @@ static bool vkms_get_vblank_timestamp(struct drm_crtc *crtc, * the vblank core expects. Therefore we need to always correct the * timestampe by one frame. */ - *vblank_time -= output->period_ns; + *vblank_time -= vkms_crtc->period_ns; return true; } @@ -236,18 +237,18 @@ 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_crtc = 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 */ - spin_lock_irq(&vkms_output->lock); + spin_lock_irq(&vkms_crtc->lock); } 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_crtc = drm_crtc_to_vkms_crtc(crtc); if (crtc->state->event) { spin_lock(&crtc->dev->event_lock); @@ -262,9 +263,9 @@ 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_crtc->composer_state = to_vkms_crtc_state(crtc->state); - spin_unlock_irq(&vkms_output->lock); + spin_unlock_irq(&vkms_crtc->lock); } static const struct drm_crtc_helper_funcs vkms_crtc_helper_funcs = { @@ -275,27 +276,41 @@ 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) +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, + if (vkmsdev->output.num_crtcs >= VKMS_MAX_OUTPUT_OBJECTS) { + return ERR_PTR(-ENOMEM); + } + vkms_crtc = &vkmsdev->output.crtcs[vkmsdev->output.num_crtcs++]; + + ret = drmm_crtc_init_with_planes(dev, &vkms_crtc->base, primary, cursor, &vkms_crtc_funcs, NULL); if (ret) { DRM_ERROR("Failed to init CRTC\n"); - return ret; + goto out_error; } - drm_crtc_helper_add(crtc, &vkms_crtc_helper_funcs); + drm_crtc_helper_add(&vkms_crtc->base, &vkms_crtc_helper_funcs); - spin_lock_init(&vkms_out->lock); - spin_lock_init(&vkms_out->composer_lock); + spin_lock_init(&vkms_crtc->lock); + spin_lock_init(&vkms_crtc->composer_lock); - vkms_out->composer_workq = alloc_ordered_workqueue("vkms_composer", 0); - if (!vkms_out->composer_workq) - return -ENOMEM; + vkms_crtc->composer_workq = alloc_ordered_workqueue("vkms_composer", 0); + if (!vkms_crtc->composer_workq) { + ret = -ENOMEM; + goto out_error; + } + + return vkms_crtc; - return ret; +out_error: + memset(vkms_crtc, 0, sizeof(*vkms_crtc)); + vkmsdev->output.num_crtcs -= 1; + return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index f07454fff046..aa2bee82b757 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -57,8 +57,8 @@ 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); + for (int i = 0; i < vkms->output.num_crtcs; i++) + destroy_workqueue(vkms->output.crtcs[i].composer_workq); } static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state) @@ -185,15 +185,15 @@ static int vkms_platform_probe(struct platform_device *pdev) goto out_release_group; } - ret = drm_vblank_init(&vkms_device->drm, 1); + ret = vkms_modeset_init(vkms_device); if (ret) { - DRM_ERROR("Failed to vblank\n"); + DRM_ERROR("Unable to initialize modesetting\n"); goto out_release_group; } - ret = vkms_modeset_init(vkms_device); + ret = drm_vblank_init(&vkms_device->drm, vkms_device->output.num_crtcs); if (ret) { - DRM_ERROR("Unable to initialize modesetting\n"); + DRM_ERROR("Failed to vblank\n"); goto out_release_group; } @@ -202,7 +202,7 @@ static int vkms_platform_probe(struct platform_device *pdev) ret = drm_dev_register(&vkms_device->drm, 0); if (ret) { - DRM_ERROR("Unable to register device\n"); + DRM_ERROR("Unable to register device with id %d\n", pdev->id); return ret; } diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h index e87c8aea6fb3..4c3274838ec7 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.h +++ b/drivers/gpu/drm/vkms/vkms_drv.h @@ -23,6 +23,9 @@ #define NUM_OVERLAY_PLANES 8 +#define VKMS_MAX_OUTPUT_OBJECTS 16 +#define VKMS_MAX_PLANES (3 * VKMS_MAX_OUTPUT_OBJECTS) + struct vkms_frame_info { struct drm_framebuffer *fb; struct drm_rect src, dst; @@ -65,6 +68,25 @@ struct vkms_plane { struct drm_plane base; }; +struct vkms_crtc { + struct drm_crtc base; + + struct drm_writeback_connector wb_connector; + struct hrtimer vblank_hrtimer; + ktime_t period_ns; + struct drm_pending_vblank_event *event; + /* ordered wq for composer_work */ + struct workqueue_struct *composer_workq; + /* protects concurrent access to composer */ + spinlock_t lock; + + /* protected by @lock */ + bool composer_enabled; + struct vkms_crtc_state *composer_state; + + spinlock_t composer_lock; +}; + /** * vkms_crtc_state - Driver specific CRTC state * @base: base CRTC state @@ -89,23 +111,14 @@ struct vkms_crtc_state { }; struct vkms_output { - struct drm_crtc crtc; - struct drm_encoder encoder; - struct drm_connector connector; - struct drm_writeback_connector wb_connector; - struct hrtimer vblank_hrtimer; - ktime_t period_ns; - struct drm_pending_vblank_event *event; - /* ordered wq for composer_work */ - struct workqueue_struct *composer_workq; - /* protects concurrent access to composer */ - spinlock_t lock; - - /* protected by @lock */ - bool composer_enabled; - struct vkms_crtc_state *composer_state; - - spinlock_t composer_lock; + int num_crtcs; + struct vkms_crtc crtcs[VKMS_MAX_OUTPUT_OBJECTS]; + int num_encoders; + struct drm_encoder encoders[VKMS_MAX_OUTPUT_OBJECTS]; + int num_connectors; + struct drm_connector connectors[VKMS_MAX_OUTPUT_OBJECTS]; + int num_planes; + struct vkms_plane planes[VKMS_MAX_PLANES]; }; struct vkms_device; @@ -123,12 +136,14 @@ struct vkms_device { struct vkms_config config; }; -#define drm_crtc_to_vkms_output(target) \ - container_of(target, struct vkms_output, crtc) +#define drm_crtc_to_vkms_crtc(crtc) container_of(crtc, struct vkms_crtc, base) #define drm_device_to_vkms_device(target) \ container_of(target, struct vkms_device, drm) +#define timer_to_vkms_crtc(timer) \ + container_of(timer, struct vkms_crtc, vblank_hrtimer) + #define to_vkms_crtc_state(target)\ container_of(target, struct vkms_crtc_state, base) @@ -136,13 +151,14 @@ struct vkms_device { container_of(target, struct vkms_plane_state, base.base) /* 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); int vkms_output_init(struct vkms_device *vkmsdev, int index); struct vkms_plane *vkms_plane_init(struct vkms_device *vkmsdev, - enum drm_plane_type type, int index); + enum drm_plane_type type); /* CRC Support */ const char *const *vkms_get_crc_sources(struct drm_crtc *crtc, @@ -153,10 +169,11 @@ int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name, /* Composer Support */ 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 *vkms_crtc, bool enabled); void vkms_compose_row(struct line_buffer *stage_buffer, struct vkms_plane_state *plane, int y); /* 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_DRV_H_ */ diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c index 963a64cf068b..6b4a77780d3c 100644 --- a/drivers/gpu/drm/vkms/vkms_output.c +++ b/drivers/gpu/drm/vkms/vkms_output.c @@ -1,9 +1,13 @@ // SPDX-License-Identifier: GPL-2.0+ -#include "vkms_drv.h" #include +#include #include +#include #include +#include + +#include "vkms_drv.h" static const struct drm_connector_funcs vkms_connector_funcs = { .fill_modes = drm_helper_probe_single_connector_modes, @@ -28,74 +32,116 @@ static int vkms_conn_get_modes(struct drm_connector *connector) } static const struct drm_connector_helper_funcs vkms_conn_helper_funcs = { - .get_modes = vkms_conn_get_modes, + .get_modes = vkms_conn_get_modes, }; -static int vkms_add_overlay_plane(struct vkms_device *vkmsdev, int index, - struct drm_crtc *crtc) +static struct drm_connector * +vkms_connector_init(struct vkms_device *vkms_device) { - struct vkms_plane *overlay; + struct drm_connector *connector; + int ret; - overlay = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_OVERLAY, index); - if (IS_ERR(overlay)) - return PTR_ERR(overlay); + if (vkms_device->output.num_connectors >= VKMS_MAX_OUTPUT_OBJECTS) + return ERR_PTR(-ENOMEM); - if (!overlay->base.possible_crtcs) - overlay->base.possible_crtcs = drm_crtc_mask(crtc); + connector = &vkms_device->output + .connectors[vkms_device->output.num_connectors++]; + ret = drm_connector_init(&vkms_device->drm, connector, + &vkms_connector_funcs, + DRM_MODE_CONNECTOR_VIRTUAL); + if (ret) { + memset(connector, 0, sizeof(*connector)); + vkms_device->output.num_connectors -= 1; + return ERR_PTR(ret); + } - return 0; + drm_connector_helper_add(connector, &vkms_conn_helper_funcs); + + return connector; +} + +static struct drm_encoder *vkms_encoder_init(struct vkms_device *vkms_device) +{ + struct drm_encoder *encoder; + int ret; + + if (vkms_device->output.num_encoders >= VKMS_MAX_OUTPUT_OBJECTS) + return ERR_PTR(-ENOMEM); + + encoder = &vkms_device->output + .encoders[vkms_device->output.num_encoders++]; + ret = drm_encoder_init(&vkms_device->drm, encoder, &vkms_encoder_funcs, + DRM_MODE_ENCODER_VIRTUAL, NULL); + if (ret) { + memset(encoder, 0, sizeof(*encoder)); + vkms_device->output.num_encoders -= 1; + return ERR_PTR(ret); + } + return encoder; } int vkms_output_init(struct vkms_device *vkmsdev, int index) { struct vkms_output *output = &vkmsdev->output; struct drm_device *dev = &vkmsdev->drm; - struct drm_connector *connector = &output->connector; - struct drm_encoder *encoder = &output->encoder; - struct drm_crtc *crtc = &output->crtc; + struct drm_connector *connector; + struct drm_encoder *encoder; + struct vkms_crtc *vkms_crtc; struct vkms_plane *primary, *cursor = NULL; int ret; int writeback; unsigned int n; - primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY, index); + primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY); 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, index, crtc); - if (ret) - return ret; + struct vkms_plane *overlay = vkms_plane_init( + vkmsdev, DRM_PLANE_TYPE_OVERLAY); + if (IS_ERR(overlay)) { + ret = PTR_ERR(overlay); + goto err_planes; + } } } if (vkmsdev->config.cursor) { - cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR, index); - if (IS_ERR(cursor)) - return PTR_ERR(cursor); + cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR); + if (IS_ERR(cursor)) { + ret = PTR_ERR(cursor); + goto err_planes; + } } - ret = vkms_crtc_init(dev, crtc, &primary->base, &cursor->base); - if (ret) - return ret; + vkms_crtc = vkms_crtc_init(vkmsdev, &primary->base, + cursor ? &cursor->base : NULL); + if (IS_ERR(vkms_crtc)) { + DRM_ERROR("Failed to init crtc\n"); + ret = PTR_ERR(vkms_crtc); + goto err_planes; + } - ret = drm_connector_init(dev, connector, &vkms_connector_funcs, - DRM_MODE_CONNECTOR_VIRTUAL); - if (ret) { + for (int i = 0; i < vkmsdev->output.num_planes; i++) { + vkmsdev->output.planes[i].base.possible_crtcs |= + drm_crtc_mask(&vkms_crtc->base); + } + + connector = vkms_connector_init(vkmsdev); + if (IS_ERR(connector)) { DRM_ERROR("Failed to init connector\n"); + ret = PTR_ERR(connector); goto err_connector; } - drm_connector_helper_add(connector, &vkms_conn_helper_funcs); - - ret = drm_encoder_init(dev, encoder, &vkms_encoder_funcs, - DRM_MODE_ENCODER_VIRTUAL, NULL); - if (ret) { + encoder = vkms_encoder_init(vkmsdev); + if (IS_ERR(encoder)) { DRM_ERROR("Failed to init encoder\n"); + ret = PTR_ERR(encoder); goto err_encoder; } - encoder->possible_crtcs = 1; + encoder->possible_crtcs |= drm_crtc_mask(&vkms_crtc->base); ret = drm_connector_attach_encoder(connector, encoder); if (ret) { @@ -104,7 +150,7 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index) } if (vkmsdev->config.writeback) { - writeback = vkms_enable_writeback_connector(vkmsdev); + writeback = vkms_enable_writeback_connector(vkmsdev, vkms_crtc); if (writeback) DRM_ERROR("Failed to init writeback connector\n"); } @@ -120,7 +166,14 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index) drm_connector_cleanup(connector); err_connector: - drm_crtc_cleanup(crtc); + drm_crtc_cleanup(&vkms_crtc->base); + +err_planes: + for (int i = 0; i < output->num_planes; i++) { + drm_plane_cleanup(&output->planes[i].base); + } + + memset(output, 0, sizeof(*output)); return ret; } diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index e5c625ab8e3e..f69621822c1b 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -8,6 +8,8 @@ #include #include #include +#include +#include #include "vkms_drv.h" #include "vkms_formats.h" @@ -65,6 +67,20 @@ static void vkms_plane_destroy_state(struct drm_plane *plane, kfree(vkms_state); } +static void vkms_plane_destroy(struct drm_plane *plane) +{ + struct vkms_plane *vkms_plane = + container_of(plane, struct vkms_plane, base); + + if (plane->state) { + vkms_plane_destroy_state(plane, plane->state); + plane->state = NULL; + } + + drm_plane_cleanup(plane); + memset(vkms_plane, 0, sizeof(struct vkms_plane)); +} + static void vkms_plane_reset(struct drm_plane *plane) { struct vkms_plane_state *vkms_state; @@ -84,11 +100,12 @@ static void vkms_plane_reset(struct drm_plane *plane) } static const struct drm_plane_funcs vkms_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .reset = vkms_plane_reset, + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = vkms_plane_destroy, + .reset = vkms_plane_reset, .atomic_duplicate_state = vkms_plane_duplicate_state, - .atomic_destroy_state = vkms_plane_destroy_state, + .atomic_destroy_state = vkms_plane_destroy_state, }; static void vkms_plane_atomic_update(struct drm_plane *plane, @@ -198,17 +215,22 @@ static const struct drm_plane_helper_funcs vkms_plane_helper_funcs = { }; struct vkms_plane *vkms_plane_init(struct vkms_device *vkmsdev, - enum drm_plane_type type, int index) + enum drm_plane_type type) { struct drm_device *dev = &vkmsdev->drm; + struct vkms_output *output = &vkmsdev->output; struct vkms_plane *plane; + int ret; - plane = drmm_universal_plane_alloc(dev, struct vkms_plane, base, 1 << index, - &vkms_plane_funcs, - vkms_formats, ARRAY_SIZE(vkms_formats), - NULL, type, NULL); - if (IS_ERR(plane)) - return plane; + if (output->num_planes >= VKMS_MAX_PLANES) + return ERR_PTR(-ENOMEM); + + plane = &output->planes[output->num_planes++]; + ret = drm_universal_plane_init(dev, &plane->base, 0, &vkms_plane_funcs, + vkms_formats, ARRAY_SIZE(vkms_formats), + NULL, type, NULL); + if (ret) + return ERR_PTR(ret); drm_plane_helper_add(&plane->base, &vkms_plane_helper_funcs); diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c index 84a51cd281b9..b90bcbd0a0e0 100644 --- a/drivers/gpu/drm/vkms/vkms_writeback.c +++ b/drivers/gpu/drm/vkms/vkms_writeback.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ #include +#include #include #include @@ -101,7 +102,8 @@ 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; @@ -110,8 +112,7 @@ 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); } @@ -120,11 +121,11 @@ 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 drm_writeback_connector *wb_conn = &output->wb_connector; + struct vkms_crtc *vkms_crtc = + drm_crtc_to_vkms_crtc(connector_state->crtc); + struct drm_writeback_connector *wb_conn = &vkms_crtc->wb_connector; struct drm_connector_state *conn_state = wb_conn->base.state; - struct vkms_crtc_state *crtc_state = output->composer_state; + struct vkms_crtc_state *crtc_state = vkms_crtc->composer_state; struct drm_framebuffer *fb = connector_state->writeback_job->fb; u16 crtc_height = crtc_state->base.crtc->mode.vdisplay; u16 crtc_width = crtc_state->base.crtc->mode.hdisplay; @@ -135,18 +136,18 @@ static void vkms_wb_atomic_commit(struct drm_connector *conn, if (!conn_state) return; - vkms_set_composer(&vkmsdev->output, true); + vkms_set_composer(vkms_crtc, true); active_wb = conn_state->writeback_job->priv; wb_frame_info = &active_wb->wb_frame_info; - spin_lock_irq(&output->composer_lock); + spin_lock_irq(&vkms_crtc->composer_lock); crtc_state->active_writeback = active_wb; wb_frame_info->offset = fb->offsets[0]; wb_frame_info->pitch = fb->pitches[0]; wb_frame_info->cpp = fb->format->cpp[0]; crtc_state->wb_pending = true; - spin_unlock_irq(&output->composer_lock); + spin_unlock_irq(&vkms_crtc->composer_lock); drm_writeback_queue_job(wb_conn, connector_state); active_wb->wb_write = get_line_to_frame_function(wb_format); drm_rect_init(&wb_frame_info->src, 0, 0, crtc_width, crtc_height); @@ -160,9 +161,10 @@ static const struct drm_connector_helper_funcs vkms_wb_conn_helper_funcs = { .atomic_commit = vkms_wb_atomic_commit, }; -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);