diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 20:42:10 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 20:42:10 -0800 |
commit | e60e1ee60630cafef5e430c2ae364877e061d980 (patch) | |
tree | 816aeef8fe8d4a2c6a1ebbc7a350839bac8dd4c2 /drivers/gpu/drm/omapdrm/dss/hdmi4.c | |
parent | 5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a (diff) | |
parent | f150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff) |
Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main drm pull request for v4.15.
Core:
- Atomic object lifetime fixes
- Atomic iterator improvements
- Sparse/smatch fixes
- Legacy kms ioctls to be interruptible
- EDID override improvements
- fb/gem helper cleanups
- Simple outreachy patches
- Documentation improvements
- Fix dma-buf rcu races
- DRM mode object leasing for improving VR use cases.
- vgaarb improvements for non-x86 platforms.
New driver:
- tve200: Faraday Technology TVE200 block.
This "TV Encoder" encodes a ITU-T BT.656 stream and can be found in
the StorLink SL3516 (later Cortina Systems CS3516) as well as the
Grain Media GM8180.
New bridges:
- SiI9234 support
New panels:
- S6E63J0X03, OTM8009A, Seiko 43WVF1G, 7" rpi touch panel, Toshiba
LT089AC19000, Innolux AT043TN24
i915:
- Remove Coffeelake from alpha support
- Cannonlake workarounds
- Infoframe refactoring for DisplayPort
- VBT updates
- DisplayPort vswing/emph/buffer translation refactoring
- CCS fixes
- Restore GPU clock boost on missed vblanks
- Scatter list updates for userptr allocations
- Gen9+ transition watermarks
- Display IPC (Isochronous Priority Control)
- Private PAT management
- GVT: improved error handling and pci config sanitizing
- Execlist refactoring
- Transparent Huge Page support
- User defined priorities support
- HuC/GuC firmware refactoring
- DP MST fixes
- eDP power sequencing fixes
- Use RCU instead of stop_machine
- PSR state tracking support
- Eviction fixes
- BDW DP aux channel timeout fixes
- LSPCON fixes
- Cannonlake PLL fixes
amdgpu:
- Per VM BO support
- Powerplay cleanups
- CI powerplay support
- PASID mgr for kfd
- SR-IOV fixes
- initial GPU reset for vega10
- Prime mmap support
- TTM updates
- Clock query interface for Raven
- Fence to handle ioctl
- UVD encode ring support on Polaris
- Transparent huge page DMA support
- Compute LRU pipe tweaks
- BO flag to allow buffers to opt out of implicit sync
- CTX priority setting API
- VRAM lost infrastructure plumbing
qxl:
- fix flicker since atomic rework
amdkfd:
- Further improvements from internal AMD tree
- Usermode events
- Drop radeon support
nouveau:
- Pascal temperature sensor support
- Improved BAR2 handling
- MMU rework to support Pascal MMU
exynos:
- Improved HDMI/mixer support
- HDMI audio interface support
tegra:
- Prep work for tegra186
- Cleanup/fixes
msm:
- Preemption support for a5xx
- Display fixes for 8x96 (snapdragon 820)
- Async cursor plane fixes
- FW loading rework
- GPU debugging improvements
vc4:
- Prep for DSI panels
- fix T-format tiling scanout
- New madvise ioctl
Rockchip:
- LVDS support
omapdrm:
- omap4 HDMI CEC support
etnaviv:
- GPU performance counters groundwork
sun4i:
- refactor driver load + TCON backend
- HDMI improvements
- A31 support
- Misc fixes
udl:
- Probe/EDID read fixes.
tilcdc:
- Misc fixes.
pl111:
- Support more variants
adv7511:
- Improve EDID handling.
- HDMI CEC support
sii8620:
- Add remote control support"
* tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux: (1480 commits)
drm/rockchip: analogix_dp: Use mutex rather than spinlock
drm/mode_object: fix documentation for object lookups.
drm/i915: Reorder context-close to avoid calling i915_vma_close() under RCU
drm/i915: Move init_clock_gating() back to where it was
drm/i915: Prune the reservation shared fence array
drm/i915: Idle the GPU before shinking everything
drm/i915: Lock llist_del_first() vs llist_del_all()
drm/i915: Calculate ironlake intermediate watermarks correctly, v2.
drm/i915: Disable lazy PPGTT page table optimization for vGPU
drm/i915/execlists: Remove the priority "optimisation"
drm/i915: Filter out spurious execlists context-switch interrupts
drm/amdgpu: use irq-safe lock for kiq->ring_lock
drm/amdgpu: bypass lru touch for KIQ ring submission
drm/amdgpu: Potential uninitialized variable in amdgpu_vm_update_directories()
drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs()
drm/amd/powerplay: initialize a variable before using it
drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels
drm/amd/amdgpu: fix evicted VRAM bo adjudgement condition
drm/vblank: Tune drm_crtc_accurate_vblank_count() WARN down to a debug
drm/rockchip: add CONFIG_OF dependency for lvds
...
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/hdmi4.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi4.c | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index f169348da377..a598dfdeb585 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -36,9 +36,11 @@ #include <linux/of.h> #include <linux/of_graph.h> #include <sound/omap-hdmi-audio.h> +#include <media/cec.h> #include "omapdss.h" #include "hdmi4_core.h" +#include "hdmi4_cec.h" #include "dss.h" #include "hdmi.h" @@ -70,7 +72,8 @@ static void hdmi_runtime_put(void) static irqreturn_t hdmi_irq_handler(int irq, void *data) { - struct hdmi_wp_data *wp = data; + struct omap_hdmi *hdmi = data; + struct hdmi_wp_data *wp = &hdmi->wp; u32 irqstatus; irqstatus = hdmi_wp_get_irqstatus(wp); @@ -95,6 +98,13 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) { hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON); } + if (irqstatus & HDMI_IRQ_CORE) { + u32 intr4 = hdmi_read_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4); + + hdmi_write_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4, intr4); + if (intr4 & 8) + hdmi4_cec_irq(&hdmi->core); + } return IRQ_HANDLED; } @@ -123,14 +133,19 @@ static int hdmi_power_on_core(struct omap_dss_device *dssdev) { int r; + if (hdmi.core.core_pwr_cnt++) + return 0; + r = regulator_enable(hdmi.vdda_reg); if (r) - return r; + goto err_reg_enable; r = hdmi_runtime_get(); if (r) goto err_runtime_get; + hdmi4_core_powerdown_disable(&hdmi.core); + /* Make selection of HDMI in DSS */ dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK); @@ -140,12 +155,17 @@ static int hdmi_power_on_core(struct omap_dss_device *dssdev) err_runtime_get: regulator_disable(hdmi.vdda_reg); +err_reg_enable: + hdmi.core.core_pwr_cnt--; return r; } static void hdmi_power_off_core(struct omap_dss_device *dssdev) { + if (--hdmi.core.core_pwr_cnt) + return; + hdmi.core_enabled = false; hdmi_runtime_put(); @@ -166,8 +186,8 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) return r; /* disable and clear irqs */ - hdmi_wp_clear_irqenable(wp, 0xffffffff); - hdmi_wp_set_irqstatus(wp, 0xffffffff); + hdmi_wp_clear_irqenable(wp, ~HDMI_IRQ_CORE); + hdmi_wp_set_irqstatus(wp, ~HDMI_IRQ_CORE); vm = &hdmi.cfg.vm; @@ -242,7 +262,7 @@ static void hdmi_power_off_full(struct omap_dss_device *dssdev) { enum omap_channel channel = dssdev->dispc_channel; - hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff); + hdmi_wp_clear_irqenable(&hdmi.wp, ~HDMI_IRQ_CORE); hdmi_wp_video_stop(&hdmi.wp); @@ -393,11 +413,11 @@ static void hdmi_display_disable(struct omap_dss_device *dssdev) mutex_unlock(&hdmi.lock); } -static int hdmi_core_enable(struct omap_dss_device *dssdev) +int hdmi4_core_enable(struct omap_dss_device *dssdev) { int r = 0; - DSSDBG("ENTER omapdss_hdmi_core_enable\n"); + DSSDBG("ENTER omapdss_hdmi4_core_enable\n"); mutex_lock(&hdmi.lock); @@ -415,9 +435,9 @@ err0: return r; } -static void hdmi_core_disable(struct omap_dss_device *dssdev) +void hdmi4_core_disable(struct omap_dss_device *dssdev) { - DSSDBG("Enter omapdss_hdmi_core_disable\n"); + DSSDBG("Enter omapdss_hdmi4_core_disable\n"); mutex_lock(&hdmi.lock); @@ -475,19 +495,28 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev, need_enable = hdmi.core_enabled == false; if (need_enable) { - r = hdmi_core_enable(dssdev); + r = hdmi4_core_enable(dssdev); if (r) return r; } r = read_edid(edid, len); - + if (r >= 256) + hdmi4_cec_set_phys_addr(&hdmi.core, + cec_get_edid_phys_addr(edid, r, NULL)); + else + hdmi4_cec_set_phys_addr(&hdmi.core, CEC_PHYS_ADDR_INVALID); if (need_enable) - hdmi_core_disable(dssdev); + hdmi4_core_disable(dssdev); return r; } +static void hdmi_lost_hotplug(struct omap_dss_device *dssdev) +{ + hdmi4_cec_set_phys_addr(&hdmi.core, CEC_PHYS_ADDR_INVALID); +} + static int hdmi_set_infoframe(struct omap_dss_device *dssdev, const struct hdmi_avi_infoframe *avi) { @@ -514,6 +543,7 @@ static const struct omapdss_hdmi_ops hdmi_ops = { .get_timings = hdmi_display_get_timings, .read_edid = hdmi_read_edid, + .lost_hotplug = hdmi_lost_hotplug, .set_infoframe = hdmi_set_infoframe, .set_hdmi_mode = hdmi_set_hdmi_mode, }; @@ -715,6 +745,10 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) if (r) goto err; + r = hdmi4_cec_init(pdev, &hdmi.core, &hdmi.wp); + if (r) + goto err; + irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); @@ -724,7 +758,7 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) r = devm_request_threaded_irq(&pdev->dev, irq, NULL, hdmi_irq_handler, - IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp); + IRQF_ONESHOT, "OMAP HDMI", &hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); goto err; @@ -759,6 +793,8 @@ static void hdmi4_unbind(struct device *dev, struct device *master, void *data) hdmi_uninit_output(pdev); + hdmi4_cec_uninit(&hdmi.core); + hdmi_pll_uninit(&hdmi.pll); pm_runtime_disable(&pdev->dev); |