/*
* Copyright (C) 2014 Red Hat
* Copyright (C) 2014 Intel Corp.
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
/* The state->enable vs. state->mode_blob checks can be WARN_ON,
* as this is a kernel-internal detail that userspace should never
- * be able to trigger. */
+ * be able to trigger.
+ */
if (drm_core_check_feature(crtc->dev, DRIVER_ATOMIC) &&
WARN_ON(new_crtc_state->enable && !new_crtc_state->mode_blob)) {
DRM_DEBUG_ATOMIC("[CRTC:%d:%s] enabled without mode blob\n",
struct drm_crtc_state *new_crtc_state;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
- unsigned requested_crtc = 0;
- unsigned affected_crtc = 0;
+ unsigned int requested_crtc = 0;
+ unsigned int affected_crtc = 0;
int i, ret = 0;
DRM_DEBUG_ATOMIC("checking %p\n", state);
}
EXPORT_SYMBOL(__drm_atomic_helper_set_config);
- void drm_atomic_print_state(const struct drm_atomic_state *state)
+ /**
+ * drm_atomic_print_new_state - prints drm atomic state
+ * @state: atomic configuration to check
+ * @p: drm printer
+ *
+ * This functions prints the drm atomic state snapshot using the drm printer
+ * which is passed to it. This snapshot can be used for debugging purposes.
+ *
+ * Note that this function looks into the new state objects and hence its not
+ * safe to be used after the call to drm_atomic_helper_commit_hw_done().
+ */
+ void drm_atomic_print_new_state(const struct drm_atomic_state *state,
+ struct drm_printer *p)
{
- struct drm_printer p = drm_info_printer(state->dev->dev);
struct drm_plane *plane;
struct drm_plane_state *plane_state;
struct drm_crtc *crtc;
struct drm_connector_state *connector_state;
int i;
+ if (!p) {
+ DRM_ERROR("invalid drm printer\n");
+ return;
+ }
+
DRM_DEBUG_ATOMIC("checking %p\n", state);
for_each_new_plane_in_state(state, plane, plane_state, i)
- drm_atomic_plane_print_state(&p, plane_state);
+ drm_atomic_plane_print_state(p, plane_state);
for_each_new_crtc_in_state(state, crtc, crtc_state, i)
- drm_atomic_crtc_print_state(&p, crtc_state);
+ drm_atomic_crtc_print_state(p, crtc_state);
for_each_new_connector_in_state(state, connector, connector_state, i)
- drm_atomic_connector_print_state(&p, connector_state);
+ drm_atomic_connector_print_state(p, connector_state);
}
+ EXPORT_SYMBOL(drm_atomic_print_new_state);
static void __drm_state_dump(struct drm_device *dev, struct drm_printer *p,
bool take_locks)
* Copyright (C) 2014 Red Hat
* Copyright (C) 2014 Intel Corp.
* Copyright (C) 2018 Intel Corp.
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
drm_mode_convert_to_umode(&umode, mode);
state->mode_blob =
drm_property_create_blob(state->crtc->dev,
- sizeof(umode),
- &umode);
+ sizeof(umode),
+ &umode);
if (IS_ERR(state->mode_blob))
return PTR_ERR(state->mode_blob);
* Zero on success, error code on failure. Cannot return -EDEADLK.
*/
int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state,
- struct drm_property_blob *blob)
+ struct drm_property_blob *blob)
{
struct drm_crtc *crtc = state->crtc;
struct drm_out_fence_state *fence_state;
int ret = 0;
unsigned int i, j, num_fences;
+ struct drm_printer p = drm_info_printer(dev->dev);
/* disallow for drivers not supporting atomic: */
if (!drm_core_check_feature(dev, DRIVER_ATOMIC))
ret = drm_atomic_nonblocking_commit(state);
} else {
if (drm_debug_enabled(DRM_UT_STATE))
- drm_atomic_print_state(state);
+ drm_atomic_print_new_state(state, &p);
ret = drm_atomic_commit(state);
}
#include "msm_drv.h"
#include "msm_mmu.h"
#include "msm_gem.h"
+ #include "disp/msm_disp_snapshot.h"
#include "dpu_kms.h"
#include "dpu_core_irq.h"
dpu_core_irq_uninstall(dpu_kms);
}
+ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_kms *kms)
+ {
+ int i;
+ struct dpu_kms *dpu_kms;
+ struct dpu_mdss_cfg *cat;
+ struct dpu_hw_mdp *top;
+
+ dpu_kms = to_dpu_kms(kms);
+
+ cat = dpu_kms->catalog;
+ top = dpu_kms->hw_mdp;
+
+ pm_runtime_get_sync(&dpu_kms->pdev->dev);
+
+ /* dump CTL sub-blocks HW regs info */
+ for (i = 0; i < cat->ctl_count; i++)
+ msm_disp_snapshot_add_block(disp_state, cat->ctl[i].len,
+ dpu_kms->mmio + cat->ctl[i].base, "ctl_%d", i);
+
+ /* dump DSPP sub-blocks HW regs info */
+ for (i = 0; i < cat->dspp_count; i++)
+ msm_disp_snapshot_add_block(disp_state, cat->dspp[i].len,
+ dpu_kms->mmio + cat->dspp[i].base, "dspp_%d", i);
+
+ /* dump INTF sub-blocks HW regs info */
+ for (i = 0; i < cat->intf_count; i++)
+ msm_disp_snapshot_add_block(disp_state, cat->intf[i].len,
+ dpu_kms->mmio + cat->intf[i].base, "intf_%d", i);
+
+ /* dump PP sub-blocks HW regs info */
+ for (i = 0; i < cat->pingpong_count; i++)
+ msm_disp_snapshot_add_block(disp_state, cat->pingpong[i].len,
+ dpu_kms->mmio + cat->pingpong[i].base, "pingpong_%d", i);
+
+ /* dump SSPP sub-blocks HW regs info */
+ for (i = 0; i < cat->sspp_count; i++)
+ msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len,
+ dpu_kms->mmio + cat->sspp[i].base, "sspp_%d", i);
+
+ msm_disp_snapshot_add_block(disp_state, top->hw.length,
+ dpu_kms->mmio + top->hw.blk_off, "top");
+
+ pm_runtime_put_sync(&dpu_kms->pdev->dev);
+ }
+
static const struct msm_kms_funcs kms_funcs = {
.hw_init = dpu_kms_hw_init,
.irq_preinstall = dpu_irq_preinstall,
.round_pixclk = dpu_kms_round_pixclk,
.destroy = dpu_kms_destroy,
.set_encoder_mode = _dpu_kms_set_encoder_mode,
+ .snapshot = dpu_kms_mdp_snapshot,
#ifdef CONFIG_DEBUG_FS
.debugfs_init = dpu_kms_debugfs_init,
#endif
dpu_kms->catalog->caps->max_mixer_width * 2;
dev->mode_config.max_height = 4096;
- /*
- * Support format modifiers for compression etc.
- */
- dev->mode_config.allow_fb_modifiers = true;
-
dev->max_vblank_count = 0xffffffff;
/* Disable vblank irqs aggressively for power-saving */
dev->vblank_disable_immediate = true;
if (!dpu_kms)
return -ENOMEM;
- dpu_kms->opp_table = dev_pm_opp_set_clkname(dev, "core");
- if (IS_ERR(dpu_kms->opp_table))
- return PTR_ERR(dpu_kms->opp_table);
+ ret = devm_pm_opp_set_clkname(dev, "core");
+ if (ret)
+ return ret;
/* OPP table is optional */
- ret = dev_pm_opp_of_add_table(dev);
+ ret = devm_pm_opp_of_add_table(dev);
if (ret && ret != -ENODEV) {
dev_err(dev, "invalid OPP table in device tree\n");
- goto put_clkname;
+ return ret;
}
mp = &dpu_kms->mp;
ret = msm_dss_parse_clock(pdev, mp);
if (ret) {
DPU_ERROR("failed to parse clocks, ret=%d\n", ret);
- goto err;
+ return ret;
}
platform_set_drvdata(pdev, dpu_kms);
ret = msm_kms_init(&dpu_kms->base, &kms_funcs);
if (ret) {
DPU_ERROR("failed to init kms, ret=%d\n", ret);
- goto err;
+ return ret;
}
dpu_kms->dev = ddev;
dpu_kms->pdev = pdev;
dpu_kms->rpm_enabled = true;
priv->kms = &dpu_kms->base;
- return ret;
- err:
- dev_pm_opp_of_remove_table(dev);
- put_clkname:
- dev_pm_opp_put_clkname(dpu_kms->opp_table);
+
return ret;
}
if (dpu_kms->rpm_enabled)
pm_runtime_disable(&pdev->dev);
-
- dev_pm_opp_of_remove_table(dev);
- dev_pm_opp_put_clkname(dpu_kms->opp_table);
}
static const struct component_ops dpu_ops = {
struct dp_parser *parser;
struct dp_catalog *catalog;
- struct opp_table *opp_table;
-
struct completion idle_comp;
struct completion video_comp;
};
tries = 0;
old_v_level = ctrl->link->phy_params.v_level;
for (tries = 0; tries < maximum_retries; tries++) {
- drm_dp_link_train_clock_recovery_delay(ctrl->panel->dpcd);
+ drm_dp_link_train_clock_recovery_delay(ctrl->aux, ctrl->panel->dpcd);
ret = dp_ctrl_read_link_status(ctrl, link_status);
if (ret)
static void dp_ctrl_clear_training_pattern(struct dp_ctrl_private *ctrl)
{
dp_ctrl_train_pattern_set(ctrl, DP_TRAINING_PATTERN_DISABLE);
- drm_dp_link_train_channel_eq_delay(ctrl->panel->dpcd);
+ drm_dp_link_train_channel_eq_delay(ctrl->aux, ctrl->panel->dpcd);
}
static int dp_ctrl_link_train_2(struct dp_ctrl_private *ctrl,
dp_ctrl_train_pattern_set(ctrl, pattern | DP_RECOVERED_CLOCK_OUT_EN);
for (tries = 0; tries <= maximum_retries; tries++) {
- drm_dp_link_train_channel_eq_delay(ctrl->panel->dpcd);
+ drm_dp_link_train_channel_eq_delay(ctrl->aux, ctrl->panel->dpcd);
ret = dp_ctrl_read_link_status(ctrl, link_status);
if (ret)
return ret;
}
+ int dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl)
+ {
+ struct dp_ctrl_private *ctrl;
+ struct dp_io *dp_io;
+ struct phy *phy;
+ int ret;
+
+ ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl);
+ dp_io = &ctrl->parser->io;
+ phy = dp_io->phy;
+
+ /* set dongle to D3 (power off) mode */
+ dp_link_psm_config(ctrl->link, &ctrl->panel->link_info, true);
+
+ dp_catalog_ctrl_mainlink_ctrl(ctrl->catalog, false);
+
+ if (dp_power_clk_status(ctrl->power, DP_STREAM_PM)) {
+ ret = dp_power_clk_enable(ctrl->power, DP_STREAM_PM, false);
+ if (ret) {
+ DRM_ERROR("Failed to disable pclk. ret=%d\n", ret);
+ return ret;
+ }
+ }
+
+ ret = dp_power_clk_enable(ctrl->power, DP_CTRL_PM, false);
+ if (ret) {
+ DRM_ERROR("Failed to disable link clocks. ret=%d\n", ret);
+ return ret;
+ }
+
+ phy_power_off(phy);
+
+ /* aux channel down, reinit phy */
+ phy_exit(phy);
+ phy_init(phy);
+
+ DRM_DEBUG_DP("DP off link/stream done\n");
+ return ret;
+ }
+
+ void dp_ctrl_off_phy(struct dp_ctrl *dp_ctrl)
+ {
+ struct dp_ctrl_private *ctrl;
+ struct dp_io *dp_io;
+ struct phy *phy;
+
+ ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl);
+ dp_io = &ctrl->parser->io;
+ phy = dp_io->phy;
+
+ dp_catalog_ctrl_reset(ctrl->catalog);
+
+ phy_exit(phy);
+
+ DRM_DEBUG_DP("DP off phy done\n");
+ }
+
int dp_ctrl_off(struct dp_ctrl *dp_ctrl)
{
struct dp_ctrl_private *ctrl;
return ERR_PTR(-ENOMEM);
}
- ctrl->opp_table = dev_pm_opp_set_clkname(dev, "ctrl_link");
- if (IS_ERR(ctrl->opp_table)) {
+ ret = devm_pm_opp_set_clkname(dev, "ctrl_link");
+ if (ret) {
dev_err(dev, "invalid DP OPP table in device tree\n");
- /* caller do PTR_ERR(ctrl->opp_table) */
- return (struct dp_ctrl *)ctrl->opp_table;
+ /* caller do PTR_ERR(opp_table) */
+ return (struct dp_ctrl *)ERR_PTR(ret);
}
/* OPP table is optional */
- ret = dev_pm_opp_of_add_table(dev);
- if (ret) {
+ ret = devm_pm_opp_of_add_table(dev);
+ if (ret)
dev_err(dev, "failed to add DP OPP table\n");
- dev_pm_opp_put_clkname(ctrl->opp_table);
- ctrl->opp_table = NULL;
- }
init_completion(&ctrl->idle_comp);
init_completion(&ctrl->video_comp);
return &ctrl->dp_ctrl;
}
-
- void dp_ctrl_put(struct dp_ctrl *dp_ctrl)
- {
- struct dp_ctrl_private *ctrl;
-
- ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl);
-
- if (ctrl->opp_table) {
- dev_pm_opp_of_remove_table(ctrl->dev);
- dev_pm_opp_put_clkname(ctrl->opp_table);
- ctrl->opp_table = NULL;
- }
- }
msm_gem_unlock(obj);
}
+ static pgprot_t msm_gem_pgprot(struct msm_gem_object *msm_obj, pgprot_t prot)
+ {
+ if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED))
+ return pgprot_writecombine(prot);
+ return prot;
+ }
+
int msm_gem_mmap_obj(struct drm_gem_object *obj,
struct vm_area_struct *vma)
{
vma->vm_flags &= ~VM_PFNMAP;
vma->vm_flags |= VM_MIXEDMAP;
-
- if (msm_obj->flags & MSM_BO_WC) {
- vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
- } else if (msm_obj->flags & MSM_BO_UNCACHED) {
- vma->vm_page_prot = pgprot_noncached(vm_get_page_prot(vma->vm_flags));
- } else {
- /*
- * Shunt off cached objs to shmem file so they have their own
- * address_space (so unmap_mapping_range does what we want,
- * in particular in the case of mmap'd dmabufs)
- */
- vma->vm_pgoff = 0;
- vma_set_file(vma, obj->filp);
-
- vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
- }
+ vma->vm_page_prot = msm_gem_pgprot(msm_obj, vm_get_page_prot(vma->vm_flags));
return 0;
}
kfree(vma);
}
- /**
+ /*
* If close is true, this also closes the VMA (releasing the allocated
* iova range) in addition to removing the iommu mapping. In the eviction
* case (!close), we keep the iova allocated, but only remove the iommu
if (msm_obj->flags & MSM_BO_MAP_PRIV)
prot |= IOMMU_PRIV;
+ if (msm_obj->flags & MSM_BO_CACHED_COHERENT)
+ prot |= IOMMU_CACHE;
+
GEM_WARN_ON(!msm_gem_is_locked(obj));
if (GEM_WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED))
goto fail;
}
msm_obj->vaddr = vmap(pages, obj->size >> PAGE_SHIFT,
- VM_MAP, pgprot_writecombine(PAGE_KERNEL));
+ VM_MAP, msm_gem_pgprot(msm_obj, PAGE_KERNEL));
if (msm_obj->vaddr == NULL) {
ret = -ENOMEM;
goto fail;
0, (loff_t)-1);
}
- /**
+ /*
* Unpin the backing pages and make them available to be swapped out.
*/
void msm_gem_evict(struct drm_gem_object *obj)
struct dma_fence *fence;
int i, ret;
- fobj = dma_resv_get_list(obj->resv);
+ fobj = dma_resv_shared_list(obj->resv);
if (!fobj || (fobj->shared_count == 0)) {
- fence = dma_resv_get_excl(obj->resv);
+ fence = dma_resv_excl_fence(obj->resv);
/* don't need to wait on our own fences, since ring is fifo */
if (fence && (fence->context != fctx->context)) {
ret = dma_fence_wait(fence, true);
op & MSM_PREP_NOSYNC ? 0 : timeout_to_jiffies(timeout);
long ret;
- ret = dma_resv_wait_timeout_rcu(obj->resv, write,
- true, remain);
+ ret = dma_resv_wait_timeout(obj->resv, write, true, remain);
if (ret == 0)
return remain == 0 ? -EBUSY : -ETIMEDOUT;
else if (ret < 0)
}
rcu_read_lock();
- fobj = rcu_dereference(robj->fence);
+ fobj = dma_resv_shared_list(robj);
if (fobj) {
unsigned int i, shared_count = fobj->shared_count;
}
}
- fence = rcu_dereference(robj->fence_excl);
+ fence = dma_resv_excl_fence(robj);
if (fence)
describe_fence(fence, "Exclusive", m);
rcu_read_unlock();
uint32_t size, uint32_t flags,
struct drm_gem_object **obj)
{
+ struct msm_drm_private *priv = dev->dev_private;
struct msm_gem_object *msm_obj;
switch (flags & MSM_BO_CACHE_MASK) {
case MSM_BO_CACHED:
case MSM_BO_WC:
break;
+ case MSM_BO_CACHED_COHERENT:
+ if (priv->has_cached_coherent)
+ break;
+ /* fallthrough */
default:
DRM_DEV_ERROR(dev->dev, "invalid cache flag: %x\n",
(flags & MSM_BO_CACHE_MASK));
projects / linux-2.6-microblaze.git / commitdiff