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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 07:59:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 07:59:23 -0700
commit320b164abb32db876866a4ff8c2cb710524ac6ea (patch)
tree1f79119cde6e24c9f1d01fb1e51252bca7c4cdd5 /drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
parent0adb32858b0bddf4ada5f364a84ed60b196dbcda (diff)
parent694f54f680f7fd8e9561928fbfc537d9afbc3d79 (diff)
downloadtalos-op-linux-320b164abb32db876866a4ff8c2cb710524ac6ea.tar.gz
talos-op-linux-320b164abb32db876866a4ff8c2cb710524ac6ea.zip
Merge tag 'drm-for-v4.17' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "Cannonlake and Vega12 support are probably the two major things. This pull lacks nouveau, Ben had some unforseen leave and a few other blockers so we'll see how things look or maybe leave it for this merge window. core: - Device links to handle sound/gpu pm dependency - Color encoding/range properties - Plane clipping into plane check helper - Backlight helpers - DP TP4 + HBR3 helper support amdgpu: - Vega12 support - Enable DC by default on all supported GPUs - Powerplay restructuring and cleanup - DC bandwidth calc updates - DC backlight on pre-DCE11 - TTM backing store dropping support - SR-IOV fixes - Adding "wattman" like functionality - DC crc support - Improved DC dual-link handling amdkfd: - GPUVM support for dGPU - KFD events for dGPU - Enable PCIe atomics for dGPUs - HSA process eviction support - Live-lock fixes for process eviction - VM page table allocation fix for large-bar systems panel: - Raydium RM68200 - AUO G104SN02 V2 - KEO TX31D200VM0BAA - ARM Versatile panels i915: - Cannonlake support enabled - AUX-F port support added - Icelake base enabling until internal milestone of forcewake support - Query uAPI interface (used for GPU topology information currently) - Compressed framebuffer support for sprites - kmem cache shrinking when GPU is idle - Avoid boosting GPU when waited item is being processed already - Avoid retraining LSPCON link unnecessarily - Decrease request signaling latency - Deprecation of I915_SET_COLORKEY_NONE - Kerneldoc and compiler warning cleanup for upcoming CI enforcements - Full range ycbcr toggling - HDCP support i915/gvt: - Big refactor for shadow ppgtt - KBL context save/restore via LRI cmd (Weinan) - Properly unmap dma for guest page (Changbin) vmwgfx: - Lots of various improvements etnaviv: - Use the drm gpu scheduler - prep work for GC7000L support vc4: - fix alpha blending - Expose perf counters to userspace pl111: - Bandwidth checking/limiting - Versatile panel support sun4i: - A83T HDMI support - A80 support - YUV plane support - H3/H5 HDMI support omapdrm: - HPD support for DVI connector - remove lots of static variables msm: - DSI updates from 10nm / SDM845 - fix for race condition with a3xx/a4xx fence completion irq - some refactoring/prep work for eventual a6xx support (ie. when we have a userspace) - a5xx debugfs enhancements - some mdp5 fixes/cleanups to prepare for eventually merging writeback - support (ie. when we have a userspace) tegra: - mmap() fixes for fbdev devices - Overlay plane for hw cursor fix - dma-buf cache maintenance support mali-dp: - YUV->RGB conversion support rockchip: - rk3399/chromebook fixes and improvements rcar-du: - LVDS support move to drm bridge - DT bindings for R8A77995 - Driver/DT support for R8A77970 tilcdc: - DRM panel support" * tag 'drm-for-v4.17' of git://people.freedesktop.org/~airlied/linux: (1646 commits) drm/i915: Fix hibernation with ACPI S0 target state drm/i915/execlists: Use a locked clear_bit() for synchronisation with interrupt drm/i915: Specify which engines to reset following semaphore/event lockups drm/i915/dp: Write to SET_POWER dpcd to enable MST hub. drm/amdkfd: Use ordered workqueue to restore processes drm/amdgpu: Fix acquiring VM on large-BAR systems drm/amd/pp: clean header file hwmgr.h drm/amd/pp: use mlck_table.count for array loop index limit drm: Fix uabi regression by allowing garbage mode->type from userspace drm/amdgpu: Add an ATPX quirk for hybrid laptop drm/amdgpu: fix spelling mistake: "asssert" -> "assert" drm/amd/pp: Add new asic support in pp_psm.c drm/amd/pp: Clean up powerplay code on Vega12 drm/amd/pp: Add smu irq handlers for legacy asics drm/amd/pp: Fix set wrong temperature range on smu7 drm/amdgpu: Don't change preferred domian when fallback GTT v5 drm/vmwgfx: Bump version patchlevel and date drm/vmwgfx: use monotonic event timestamps drm/vmwgfx: Unpin the screen object backup buffer when not used drm/vmwgfx: Stricter count of legacy surface device resources ...
Diffstat (limited to 'drivers/gpu/drm/rockchip/analogix_dp-rockchip.c')
-rw-r--r--drivers/gpu/drm/rockchip/analogix_dp-rockchip.c103
1 files changed, 47 insertions, 56 deletions
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 1262120a3834..3e8bf79bea58 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -71,40 +71,22 @@ struct rockchip_dp_device {
struct regmap *grf;
struct reset_control *rst;
- struct work_struct psr_work;
- struct mutex psr_lock;
- unsigned int psr_state;
-
const struct rockchip_dp_chip_data *data;
+ struct analogix_dp_device *adp;
struct analogix_dp_plat_data plat_data;
};
static void analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled)
{
struct rockchip_dp_device *dp = to_dp(encoder);
+ int ret;
- if (!analogix_dp_psr_supported(dp->dev))
+ if (!analogix_dp_psr_enabled(dp->adp))
return;
DRM_DEV_DEBUG(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit");
- mutex_lock(&dp->psr_lock);
- if (enabled)
- dp->psr_state = EDP_VSC_PSR_STATE_ACTIVE;
- else
- dp->psr_state = ~EDP_VSC_PSR_STATE_ACTIVE;
-
- schedule_work(&dp->psr_work);
- mutex_unlock(&dp->psr_lock);
-}
-
-static void analogix_dp_psr_work(struct work_struct *work)
-{
- struct rockchip_dp_device *dp =
- container_of(work, typeof(*dp), psr_work);
- int ret;
-
ret = rockchip_drm_wait_vact_end(dp->encoder.crtc,
PSR_WAIT_LINE_FLAG_TIMEOUT_MS);
if (ret) {
@@ -112,12 +94,10 @@ static void analogix_dp_psr_work(struct work_struct *work)
return;
}
- mutex_lock(&dp->psr_lock);
- if (dp->psr_state == EDP_VSC_PSR_STATE_ACTIVE)
- analogix_dp_enable_psr(dp->dev);
+ if (enabled)
+ analogix_dp_enable_psr(dp->adp);
else
- analogix_dp_disable_psr(dp->dev);
- mutex_unlock(&dp->psr_lock);
+ analogix_dp_disable_psr(dp->adp);
}
static int rockchip_dp_pre_init(struct rockchip_dp_device *dp)
@@ -134,8 +114,6 @@ static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data)
struct rockchip_dp_device *dp = to_dp(plat_data);
int ret;
- cancel_work_sync(&dp->psr_work);
-
ret = clk_prepare_enable(dp->pclk);
if (ret < 0) {
DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret);
@@ -149,12 +127,17 @@ static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data)
return ret;
}
- return 0;
+ return rockchip_drm_psr_activate(&dp->encoder);
}
static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data)
{
struct rockchip_dp_device *dp = to_dp(plat_data);
+ int ret;
+
+ ret = rockchip_drm_psr_deactivate(&dp->encoder);
+ if (ret != 0)
+ return ret;
clk_disable_unprepare(dp->pclk);
@@ -258,13 +241,8 @@ static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = {
.atomic_check = rockchip_dp_drm_encoder_atomic_check,
};
-static void rockchip_dp_drm_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
static struct drm_encoder_funcs rockchip_dp_encoder_funcs = {
- .destroy = rockchip_dp_drm_encoder_destroy,
+ .destroy = drm_encoder_cleanup,
};
static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)
@@ -334,13 +312,6 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
struct drm_device *drm_dev = data;
int ret;
- /*
- * Just like the probe function said, we don't need the
- * device drvrate anymore, we should leave the charge to
- * analogix dp driver, set the device drvdata to NULL.
- */
- dev_set_drvdata(dev, NULL);
-
dp_data = of_device_get_match_data(dev);
if (!dp_data)
return -ENODEV;
@@ -361,13 +332,22 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
dp->plat_data.power_off = rockchip_dp_powerdown;
dp->plat_data.get_modes = rockchip_dp_get_modes;
- mutex_init(&dp->psr_lock);
- dp->psr_state = ~EDP_VSC_PSR_STATE_ACTIVE;
- INIT_WORK(&dp->psr_work, analogix_dp_psr_work);
+ ret = rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set);
+ if (ret < 0)
+ goto err_cleanup_encoder;
- rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set);
+ dp->adp = analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
+ if (IS_ERR(dp->adp)) {
+ ret = PTR_ERR(dp->adp);
+ goto err_unreg_psr;
+ }
- return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
+ return 0;
+err_unreg_psr:
+ rockchip_drm_psr_unregister(&dp->encoder);
+err_cleanup_encoder:
+ dp->encoder.funcs->destroy(&dp->encoder);
+ return ret;
}
static void rockchip_dp_unbind(struct device *dev, struct device *master,
@@ -375,9 +355,9 @@ static void rockchip_dp_unbind(struct device *dev, struct device *master,
{
struct rockchip_dp_device *dp = dev_get_drvdata(dev);
+ analogix_dp_unbind(dp->adp);
rockchip_drm_psr_unregister(&dp->encoder);
-
- analogix_dp_unbind(dev, master, data);
+ dp->encoder.funcs->destroy(&dp->encoder);
}
static const struct component_ops rockchip_dp_component_ops = {
@@ -407,11 +387,6 @@ static int rockchip_dp_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
- /*
- * We just use the drvdata until driver run into component
- * add function, and then we would set drvdata to null, so
- * that analogix dp driver could take charge of the drvdata.
- */
platform_set_drvdata(pdev, dp);
return component_add(dev, &rockchip_dp_component_ops);
@@ -424,10 +399,26 @@ static int rockchip_dp_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int rockchip_dp_suspend(struct device *dev)
+{
+ struct rockchip_dp_device *dp = dev_get_drvdata(dev);
+
+ return analogix_dp_suspend(dp->adp);
+}
+
+static int rockchip_dp_resume(struct device *dev)
+{
+ struct rockchip_dp_device *dp = dev_get_drvdata(dev);
+
+ return analogix_dp_resume(dp->adp);
+}
+#endif
+
static const struct dev_pm_ops rockchip_dp_pm_ops = {
#ifdef CONFIG_PM_SLEEP
- .suspend = analogix_dp_suspend,
- .resume_early = analogix_dp_resume,
+ .suspend = rockchip_dp_suspend,
+ .resume_early = rockchip_dp_resume,
#endif
};
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