Contact: Maintainer of the driver you plan to convert
+ idr_init_base()
+ ---------------
+
+ DRM core&drivers uses a lot of idr (integer lookup directories) for mapping
+ userspace IDs to internal objects, and in most places ID=0 means NULL and hence
+ is never used. Switching to idr_init_base() for these would make the idr more
+ efficient.
+
+ Contact: Daniel Vetter
+
Core refactorings
=================
Contact: Harry Wentland, Alex Deucher
+i915
+----
+
+- Our early/late pm callbacks could be removed in favour of using
+ device_link_add to model the dependency between i915 and snd_had. See
+ https://dri.freedesktop.org/docs/drm/driver-api/device_link.html
+
Outside DRM
===========
i915_gem.o \
i915_gem_object.o \
i915_gem_render_state.o \
- i915_gem_request.o \
i915_gem_shrinker.o \
i915_gem_stolen.o \
i915_gem_tiling.o \
i915_gem_timeline.o \
i915_gem_userptr.o \
i915_gemfs.o \
+ i915_request.o \
i915_trace_points.o \
i915_vma.o \
intel_breadcrumbs.o \
intel_fbc.o \
intel_fifo_underrun.o \
intel_frontbuffer.o \
+ intel_hdcp.o \
intel_hotplug.o \
intel_modes.o \
intel_overlay.o \
return 0;
}
-static inline bool is_gvt_request(struct drm_i915_gem_request *req)
+static inline bool is_gvt_request(struct i915_request *req)
{
return i915_gem_context_force_single_submission(req->ctx);
}
static int shadow_context_status_change(struct notifier_block *nb,
unsigned long action, void *data)
{
- struct drm_i915_gem_request *req = (struct drm_i915_gem_request *)data;
+ struct i915_request *req = data;
struct intel_gvt *gvt = container_of(nb, struct intel_gvt,
shadow_ctx_notifier_block[req->engine->id]);
struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
int ring_id = workload->ring_id;
struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv;
struct intel_engine_cs *engine = dev_priv->engine[ring_id];
- struct drm_i915_gem_request *rq;
+ struct i915_request *rq;
struct intel_vgpu *vgpu = workload->vgpu;
struct intel_vgpu_submission *s = &vgpu->submission;
struct i915_gem_context *shadow_ctx = s->shadow_ctx;
int ret;
- rq = i915_gem_request_alloc(dev_priv->engine[ring_id], shadow_ctx);
+ rq = i915_request_alloc(dev_priv->engine[ring_id], shadow_ctx);
if (IS_ERR(rq)) {
gvt_vgpu_err("fail to allocate gem request\n");
ret = PTR_ERR(rq);
gvt_dbg_sched("ring id %d get i915 gem request %p\n", ring_id, rq);
- workload->req = i915_gem_request_get(rq);
+ workload->req = i915_request_get(rq);
ret = copy_workload_to_ring_buffer(workload);
if (ret)
goto err_unpin;
if (!IS_ERR_OR_NULL(workload->req)) {
gvt_dbg_sched("ring id %d submit workload to i915 %p\n",
ring_id, workload->req);
- i915_add_request(workload->req);
+ i915_request_add(workload->req);
workload->dispatched = true;
}
workload->status = 0;
}
- i915_gem_request_put(fetch_and_zero(&workload->req));
+ i915_request_put(fetch_and_zero(&workload->req));
if (!workload->status && !(vgpu->resetting_eng &
ENGINE_MASK(ring_id))) {
gvt_dbg_sched("ring id %d wait workload %p\n",
workload->ring_id, workload);
- i915_wait_request(workload->req, 0, MAX_SCHEDULE_TIMEOUT);
+ i915_request_wait(workload->req, 0, MAX_SCHEDULE_TIMEOUT);
complete:
gvt_dbg_sched("will complete workload %p, status: %d\n",
{
struct intel_vgpu_submission *s = &vgpu->submission;
- intel_vgpu_select_submission_ops(vgpu, 0);
+ intel_vgpu_select_submission_ops(vgpu, ALL_ENGINES, 0);
i915_gem_context_put(s->shadow_ctx);
kmem_cache_destroy(s->workloads);
}
*
*/
int intel_vgpu_select_submission_ops(struct intel_vgpu *vgpu,
+ unsigned long engine_mask,
unsigned int interface)
{
struct intel_vgpu_submission *s = &vgpu->submission;
if (WARN_ON(interface >= ARRAY_SIZE(ops)))
return -EINVAL;
- if (s->active) {
- s->ops->clean(vgpu);
- s->active = false;
- gvt_dbg_core("vgpu%d: de-select ops [ %s ] \n",
- vgpu->id, s->ops->name);
- }
+ if (WARN_ON(interface == 0 && engine_mask != ALL_ENGINES))
+ return -EINVAL;
+
+ if (s->active)
+ s->ops->clean(vgpu, engine_mask);
if (interface == 0) {
s->ops = NULL;
s->virtual_submission_interface = 0;
- gvt_dbg_core("vgpu%d: no submission ops\n", vgpu->id);
+ s->active = false;
+ gvt_dbg_core("vgpu%d: remove submission ops\n", vgpu->id);
return 0;
}
- ret = ops[interface]->init(vgpu);
+ ret = ops[interface]->init(vgpu, engine_mask);
if (ret)
return ret;
struct intel_vgpu_workload {
struct intel_vgpu *vgpu;
int ring_id;
- struct drm_i915_gem_request *req;
+ struct i915_request *req;
/* if this workload has been dispatched to i915? */
bool dispatched;
bool shadowed;
void intel_vgpu_clean_submission(struct intel_vgpu *vgpu);
int intel_vgpu_select_submission_ops(struct intel_vgpu *vgpu,
+ unsigned long engine_mask,
unsigned int interface);
extern const struct intel_vgpu_submission_ops
#include "i915_gem_fence_reg.h"
#include "i915_gem_object.h"
#include "i915_gem_gtt.h"
-#include "i915_gem_request.h"
#include "i915_gem_timeline.h"
+#include "i915_request.h"
#include "i915_vma.h"
#include "intel_gvt.h"
*
* #I915_WEDGED - If reset fails and we can no longer use the GPU,
* we set the #I915_WEDGED bit. Prior to command submission, e.g.
- * i915_gem_request_alloc(), this bit is checked and the sequence
+ * i915_request_alloc(), this bit is checked and the sequence
* aborted (with -EIO reported to userspace) if set.
*/
unsigned long flags;
/* Early gen2 have a totally busted CS tlb and require pinned batches. */
#define HAS_BROKEN_CS_TLB(dev_priv) (IS_I830(dev_priv) || IS_I845G(dev_priv))
-/* WaRsDisableCoarsePowerGating:skl,bxt */
+/* WaRsDisableCoarsePowerGating:skl,cnl */
#define NEEDS_WaRsDisableCoarsePowerGating(dev_priv) \
- (IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
+ (IS_CANNONLAKE(dev_priv) || \
+ IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
/*
* dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts
int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
void i915_vma_move_to_active(struct i915_vma *vma,
- struct drm_i915_gem_request *req,
+ struct i915_request *rq,
unsigned int flags);
int i915_gem_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno);
-struct drm_i915_gem_request *
+struct i915_request *
i915_gem_find_active_request(struct intel_engine_cs *engine);
-void i915_gem_retire_requests(struct drm_i915_private *dev_priv);
-
static inline bool i915_reset_backoff(struct i915_gpu_error *error)
{
return unlikely(test_bit(I915_RESET_BACKOFF, &error->flags));
return READ_ONCE(error->reset_engine_count[engine->id]);
}
-struct drm_i915_gem_request *
+struct i915_request *
i915_gem_reset_prepare_engine(struct intel_engine_cs *engine);
int i915_gem_reset_prepare(struct drm_i915_private *dev_priv);
void i915_gem_reset(struct drm_i915_private *dev_priv);
void i915_gem_set_wedged(struct drm_i915_private *dev_priv);
bool i915_gem_unset_wedged(struct drm_i915_private *dev_priv);
void i915_gem_reset_engine(struct intel_engine_cs *engine,
- struct drm_i915_gem_request *request);
+ struct i915_request *request);
void i915_gem_init_mmio(struct drm_i915_private *i915);
int __must_check i915_gem_init(struct drm_i915_private *dev_priv);
extern void intel_teardown_gmbus(struct drm_i915_private *dev_priv);
extern bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
unsigned int pin);
+ extern int intel_gmbus_output_aksv(struct i2c_adapter *adapter);
extern struct i2c_adapter *
intel_gmbus_get_adapter(struct drm_i915_private *dev_priv, unsigned int pin);
}
static inline bool
-__i915_request_irq_complete(const struct drm_i915_gem_request *req)
+__i915_request_irq_complete(const struct i915_request *rq)
{
- struct intel_engine_cs *engine = req->engine;
+ struct intel_engine_cs *engine = rq->engine;
u32 seqno;
/* Note that the engine may have wrapped around the seqno, and
* this by kicking all the waiters before resetting the seqno
* in hardware, and also signal the fence.
*/
- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &req->fence.flags))
+ if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &rq->fence.flags))
return true;
/* The request was dequeued before we were awoken. We check after
* the request execution are sufficient to ensure that a check
* after reading the value from hw matches this request.
*/
- seqno = i915_gem_request_global_seqno(req);
+ seqno = i915_request_global_seqno(rq);
if (!seqno)
return false;
/* Before we do the heavier coherent read of the seqno,
* check the value (hopefully) in the CPU cacheline.
*/
- if (__i915_gem_request_completed(req, seqno))
+ if (__i915_request_completed(rq, seqno))
return true;
/* Ensure our read of the seqno is coherent so that we
wake_up_process(b->irq_wait->tsk);
spin_unlock_irq(&b->irq_lock);
- if (__i915_gem_request_completed(req, seqno))
+ if (__i915_request_completed(rq, seqno))
return true;
}
* The two separate pointers let us decouple read()s from tail pointer aging.
*
* The tail pointers are checked and updated at a limited rate within a hrtimer
- * callback (the same callback that is used for delivering POLLIN events)
+ * callback (the same callback that is used for delivering EPOLLIN events)
*
* Initially the tails are marked invalid with %INVALID_TAIL_PTR which
* indicates that an updated tail pointer is needed.
* Same as gen8_update_reg_state_unlocked only through the batchbuffer. This
* is only used by the kernel context.
*/
-static int gen8_emit_oa_config(struct drm_i915_gem_request *req,
+static int gen8_emit_oa_config(struct i915_request *rq,
const struct i915_oa_config *oa_config)
{
- struct drm_i915_private *dev_priv = req->i915;
+ struct drm_i915_private *dev_priv = rq->i915;
/* The MMIO offsets for Flex EU registers aren't contiguous */
u32 flex_mmio[] = {
i915_mmio_reg_offset(EU_PERF_CNTL0),
u32 *cs;
int i;
- cs = intel_ring_begin(req, ARRAY_SIZE(flex_mmio) * 2 + 4);
+ cs = intel_ring_begin(rq, ARRAY_SIZE(flex_mmio) * 2 + 4);
if (IS_ERR(cs))
return PTR_ERR(cs);
}
*cs++ = MI_NOOP;
- intel_ring_advance(req, cs);
+ intel_ring_advance(rq, cs);
return 0;
}
{
struct intel_engine_cs *engine = dev_priv->engine[RCS];
struct i915_gem_timeline *timeline;
- struct drm_i915_gem_request *req;
+ struct i915_request *rq;
int ret;
lockdep_assert_held(&dev_priv->drm.struct_mutex);
- i915_gem_retire_requests(dev_priv);
+ i915_retire_requests(dev_priv);
- req = i915_gem_request_alloc(engine, dev_priv->kernel_context);
- if (IS_ERR(req))
- return PTR_ERR(req);
+ rq = i915_request_alloc(engine, dev_priv->kernel_context);
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
- ret = gen8_emit_oa_config(req, oa_config);
+ ret = gen8_emit_oa_config(rq, oa_config);
if (ret) {
- i915_add_request(req);
+ i915_request_add(rq);
return ret;
}
/* Queue this switch after all other activity */
list_for_each_entry(timeline, &dev_priv->gt.timelines, link) {
- struct drm_i915_gem_request *prev;
+ struct i915_request *prev;
struct intel_timeline *tl;
tl = &timeline->engine[engine->id];
prev = i915_gem_active_raw(&tl->last_request,
&dev_priv->drm.struct_mutex);
if (prev)
- i915_sw_fence_await_sw_fence_gfp(&req->submit,
+ i915_sw_fence_await_sw_fence_gfp(&rq->submit,
&prev->submit,
GFP_KERNEL);
}
- i915_add_request(req);
+ i915_request_add(rq);
return 0;
}
mutex_unlock(&dev_priv->perf.lock);
}
- /* We allow the poll checking to sometimes report false positive POLLIN
+ /* We allow the poll checking to sometimes report false positive EPOLLIN
* events where we might actually report EAGAIN on read() if there's
* not really any data available. In this situation though we don't
- * want to enter a busy loop between poll() reporting a POLLIN event
+ * want to enter a busy loop between poll() reporting a EPOLLIN event
* and read() returning -EAGAIN. Clearing the oa.pollin state here
* effectively ensures we back off until the next hrtimer callback
- * before reporting another POLLIN event.
+ * before reporting another EPOLLIN event.
*/
if (ret >= 0 || ret == -EAGAIN) {
/* Maybe make ->pollin per-stream state if we support multiple
*
* Returns: any poll events that are ready without sleeping
*/
- static unsigned int i915_perf_poll_locked(struct drm_i915_private *dev_priv,
+ static __poll_t i915_perf_poll_locked(struct drm_i915_private *dev_priv,
struct i915_perf_stream *stream,
struct file *file,
poll_table *wait)
{
- unsigned int events = 0;
+ __poll_t events = 0;
stream->ops->poll_wait(stream, file, wait);
* samples to read.
*/
if (dev_priv->perf.oa.pollin)
- events |= POLLIN;
+ events |= EPOLLIN;
return events;
}
*
* Returns: any poll events that are ready without sleeping
*/
- static unsigned int i915_perf_poll(struct file *file, poll_table *wait)
+ static __poll_t i915_perf_poll(struct file *file, poll_table *wait)
{
struct i915_perf_stream *stream = file->private_data;
struct drm_i915_private *dev_priv = stream->dev_priv;
- int ret;
+ __poll_t ret;
mutex_lock(&dev_priv->perf.lock);
ret = i915_perf_poll_locked(dev_priv, stream, file, wait);
#define GEN9_RCS_FE_FSM2 _MMIO(0x22a4)
/* Fuse readout registers for GT */
+#define HSW_PAVP_FUSE1 _MMIO(0x911C)
+#define HSW_F1_EU_DIS_SHIFT 16
+#define HSW_F1_EU_DIS_MASK (0x3 << HSW_F1_EU_DIS_SHIFT)
+#define HSW_F1_EU_DIS_10EUS 0
+#define HSW_F1_EU_DIS_8EUS 1
+#define HSW_F1_EU_DIS_6EUS 2
+
#define CHV_FUSE_GT _MMIO(VLV_DISPLAY_BASE + 0x2168)
#define CHV_FGT_DISABLE_SS0 (1 << 10)
#define CHV_FGT_DISABLE_SS1 (1 << 11)
# define GPIO_DATA_PULLUP_DISABLE (1 << 13)
#define GMBUS0 _MMIO(dev_priv->gpio_mmio_base + 0x5100) /* clock/port select */
+ #define GMBUS_AKSV_SELECT (1<<11)
#define GMBUS_RATE_100KHZ (0<<8)
#define GMBUS_RATE_50KHZ (1<<8)
#define GMBUS_RATE_400KHZ (2<<8) /* reserved on Pineview */
#define _DPF_AUX_CH_DATA4 (dev_priv->info.display_mmio_offset + 0x64520)
#define _DPF_AUX_CH_DATA5 (dev_priv->info.display_mmio_offset + 0x64524)
-#define DP_AUX_CH_CTL(port) _MMIO_PORT(port, _DPA_AUX_CH_CTL, _DPB_AUX_CH_CTL)
-#define DP_AUX_CH_DATA(port, i) _MMIO(_PORT(port, _DPA_AUX_CH_DATA1, _DPB_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
+#define DP_AUX_CH_CTL(aux_ch) _MMIO_PORT(aux_ch, _DPA_AUX_CH_CTL, _DPB_AUX_CH_CTL)
+#define DP_AUX_CH_DATA(aux_ch, i) _MMIO(_PORT(aux_ch, _DPA_AUX_CH_DATA1, _DPB_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
#define DP_AUX_CH_CTL_SEND_BUSY (1 << 31)
#define DP_AUX_CH_CTL_DONE (1 << 30)
#define _PCH_DPD_AUX_CH_DATA4 0xe4320
#define _PCH_DPD_AUX_CH_DATA5 0xe4324
-#define PCH_DP_AUX_CH_CTL(port) _MMIO_PORT((port) - PORT_B, _PCH_DPB_AUX_CH_CTL, _PCH_DPC_AUX_CH_CTL)
-#define PCH_DP_AUX_CH_DATA(port, i) _MMIO(_PORT((port) - PORT_B, _PCH_DPB_AUX_CH_DATA1, _PCH_DPC_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
+#define PCH_DP_AUX_CH_CTL(aux_ch) _MMIO_PORT((aux_ch) - AUX_CH_B, _PCH_DPB_AUX_CH_CTL, _PCH_DPC_AUX_CH_CTL)
+#define PCH_DP_AUX_CH_DATA(aux_ch, i) _MMIO(_PORT((aux_ch) - AUX_CH_B, _PCH_DPB_AUX_CH_DATA1, _PCH_DPC_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
/* CPT */
#define PORT_TRANS_A_SEL_CPT 0
#define GEN9_MEM_LATENCY_LEVEL_1_5_SHIFT 8
#define GEN9_MEM_LATENCY_LEVEL_2_6_SHIFT 16
#define GEN9_MEM_LATENCY_LEVEL_3_7_SHIFT 24
+ #define SKL_PCODE_LOAD_HDCP_KEYS 0x5
#define SKL_PCODE_CDCLK_CONTROL 0x7
#define SKL_CDCLK_PREPARE_FOR_CHANGE 0x3
#define SKL_CDCLK_READY_FOR_CHANGE 0x1
#define CNL_AUX_ANAOVRD1_ENABLE (1<<16)
#define CNL_AUX_ANAOVRD1_LDO_BYPASS (1<<23)
+ /* HDCP Key Registers */
+ #define HDCP_KEY_CONF _MMIO(0x66c00)
+ #define HDCP_AKSV_SEND_TRIGGER BIT(31)
+ #define HDCP_CLEAR_KEYS_TRIGGER BIT(30)
+ #define HDCP_KEY_LOAD_TRIGGER BIT(8)
+ #define HDCP_KEY_STATUS _MMIO(0x66c04)
+ #define HDCP_FUSE_IN_PROGRESS BIT(7)
+ #define HDCP_FUSE_ERROR BIT(6)
+ #define HDCP_FUSE_DONE BIT(5)
+ #define HDCP_KEY_LOAD_STATUS BIT(1)
+ #define HDCP_KEY_LOAD_DONE BIT(0)
+ #define HDCP_AKSV_LO _MMIO(0x66c10)
+ #define HDCP_AKSV_HI _MMIO(0x66c14)
+
+ /* HDCP Repeater Registers */
+ #define HDCP_REP_CTL _MMIO(0x66d00)
+ #define HDCP_DDIB_REP_PRESENT BIT(30)
+ #define HDCP_DDIA_REP_PRESENT BIT(29)
+ #define HDCP_DDIC_REP_PRESENT BIT(28)
+ #define HDCP_DDID_REP_PRESENT BIT(27)
+ #define HDCP_DDIF_REP_PRESENT BIT(26)
+ #define HDCP_DDIE_REP_PRESENT BIT(25)
+ #define HDCP_DDIB_SHA1_M0 (1 << 20)
+ #define HDCP_DDIA_SHA1_M0 (2 << 20)
+ #define HDCP_DDIC_SHA1_M0 (3 << 20)
+ #define HDCP_DDID_SHA1_M0 (4 << 20)
+ #define HDCP_DDIF_SHA1_M0 (5 << 20)
+ #define HDCP_DDIE_SHA1_M0 (6 << 20) /* Bspec says 5? */
+ #define HDCP_SHA1_BUSY BIT(16)
+ #define HDCP_SHA1_READY BIT(17)
+ #define HDCP_SHA1_COMPLETE BIT(18)
+ #define HDCP_SHA1_V_MATCH BIT(19)
+ #define HDCP_SHA1_TEXT_32 (1 << 1)
+ #define HDCP_SHA1_COMPLETE_HASH (2 << 1)
+ #define HDCP_SHA1_TEXT_24 (4 << 1)
+ #define HDCP_SHA1_TEXT_16 (5 << 1)
+ #define HDCP_SHA1_TEXT_8 (6 << 1)
+ #define HDCP_SHA1_TEXT_0 (7 << 1)
+ #define HDCP_SHA_V_PRIME_H0 _MMIO(0x66d04)
+ #define HDCP_SHA_V_PRIME_H1 _MMIO(0x66d08)
+ #define HDCP_SHA_V_PRIME_H2 _MMIO(0x66d0C)
+ #define HDCP_SHA_V_PRIME_H3 _MMIO(0x66d10)
+ #define HDCP_SHA_V_PRIME_H4 _MMIO(0x66d14)
+ #define HDCP_SHA_V_PRIME(h) _MMIO((0x66d04 + h * 4))
+ #define HDCP_SHA_TEXT _MMIO(0x66d18)
+
+ /* HDCP Auth Registers */
+ #define _PORTA_HDCP_AUTHENC 0x66800
+ #define _PORTB_HDCP_AUTHENC 0x66500
+ #define _PORTC_HDCP_AUTHENC 0x66600
+ #define _PORTD_HDCP_AUTHENC 0x66700
+ #define _PORTE_HDCP_AUTHENC 0x66A00
+ #define _PORTF_HDCP_AUTHENC 0x66900
+ #define _PORT_HDCP_AUTHENC(port, x) _MMIO(_PICK(port, \
+ _PORTA_HDCP_AUTHENC, \
+ _PORTB_HDCP_AUTHENC, \
+ _PORTC_HDCP_AUTHENC, \
+ _PORTD_HDCP_AUTHENC, \
+ _PORTE_HDCP_AUTHENC, \
+ _PORTF_HDCP_AUTHENC) + x)
+ #define PORT_HDCP_CONF(port) _PORT_HDCP_AUTHENC(port, 0x0)
+ #define HDCP_CONF_CAPTURE_AN BIT(0)
+ #define HDCP_CONF_AUTH_AND_ENC (BIT(1) | BIT(0))
+ #define PORT_HDCP_ANINIT(port) _PORT_HDCP_AUTHENC(port, 0x4)
+ #define PORT_HDCP_ANLO(port) _PORT_HDCP_AUTHENC(port, 0x8)
+ #define PORT_HDCP_ANHI(port) _PORT_HDCP_AUTHENC(port, 0xC)
+ #define PORT_HDCP_BKSVLO(port) _PORT_HDCP_AUTHENC(port, 0x10)
+ #define PORT_HDCP_BKSVHI(port) _PORT_HDCP_AUTHENC(port, 0x14)
+ #define PORT_HDCP_RPRIME(port) _PORT_HDCP_AUTHENC(port, 0x18)
+ #define PORT_HDCP_STATUS(port) _PORT_HDCP_AUTHENC(port, 0x1C)
+ #define HDCP_STATUS_STREAM_A_ENC BIT(31)
+ #define HDCP_STATUS_STREAM_B_ENC BIT(30)
+ #define HDCP_STATUS_STREAM_C_ENC BIT(29)
+ #define HDCP_STATUS_STREAM_D_ENC BIT(28)
+ #define HDCP_STATUS_AUTH BIT(21)
+ #define HDCP_STATUS_ENC BIT(20)
+ #define HDCP_STATUS_RI_MATCH BIT(19)
+ #define HDCP_STATUS_R0_READY BIT(18)
+ #define HDCP_STATUS_AN_READY BIT(17)
+ #define HDCP_STATUS_CIPHER BIT(16)
+ #define HDCP_STATUS_FRAME_CNT(x) ((x >> 8) & 0xff)
+
/* Per-pipe DDI Function Control */
#define _TRANS_DDI_FUNC_CTL_A 0x60400
#define _TRANS_DDI_FUNC_CTL_B 0x61400
#define TRANS_DDI_EDP_INPUT_A_ONOFF (4<<12)
#define TRANS_DDI_EDP_INPUT_B_ONOFF (5<<12)
#define TRANS_DDI_EDP_INPUT_C_ONOFF (6<<12)
+ #define TRANS_DDI_HDCP_SIGNALLING (1<<9)
#define TRANS_DDI_DP_VC_PAYLOAD_ALLOC (1<<8)
#define TRANS_DDI_HDMI_SCRAMBLER_CTS_ENABLE (1<<7)
#define TRANS_DDI_HDMI_SCRAMBLER_RESET_FREQ (1<<6)
}
}
+static bool intel_plane_uses_fence(const struct intel_plane_state *plane_state)
+{
+ struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+ struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+
+ return INTEL_GEN(dev_priv) < 4 || plane->has_fbc;
+}
+
struct i915_vma *
intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
unsigned int rotation,
+ bool uses_fence,
unsigned long *out_flags)
{
struct drm_device *dev = fb->dev;
if (IS_ERR(vma))
goto err;
- if (i915_vma_is_map_and_fenceable(vma)) {
+ if (uses_fence && i915_vma_is_map_and_fenceable(vma)) {
+ int ret;
+
/* Install a fence for tiled scan-out. Pre-i965 always needs a
* fence, whereas 965+ only requires a fence if using
* framebuffer compression. For simplicity, we always, when
* something and try to run the system in a "less than optimal"
* mode that matches the user configuration.
*/
- if (i915_vma_pin_fence(vma) == 0 && vma->fence)
+ ret = i915_vma_pin_fence(vma);
+ if (ret != 0 && INTEL_GEN(dev_priv) < 4) {
+ vma = ERR_PTR(ret);
+ goto err;
+ }
+
+ if (ret == 0 && vma->fence)
*out_flags |= PLANE_HAS_FENCE;
}
intel_state->vma =
intel_pin_and_fence_fb_obj(fb,
primary->state->rotation,
+ intel_plane_uses_fence(intel_state),
&intel_state->flags);
mutex_unlock(&dev->struct_mutex);
if (IS_ERR(intel_state->vma)) {
* - LVDS dual channel mode
* - Double wide pipe
*/
- if ((intel_crtc_has_type(pipe_config, INTEL_OUTPUT_LVDS) &&
- intel_is_dual_link_lvds(dev)) || pipe_config->double_wide)
- pipe_config->pipe_src_w &= ~1;
+ if (pipe_config->pipe_src_w & 1) {
+ if (pipe_config->double_wide) {
+ DRM_DEBUG_KMS("Odd pipe source width not supported with double wide pipe\n");
+ return -EINVAL;
+ }
+
+ if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_LVDS) &&
+ intel_is_dual_link_lvds(dev)) {
+ DRM_DEBUG_KMS("Odd pipe source width not supported with dual link LVDS\n");
+ return -EINVAL;
+ }
+ }
/* Cantiga+ cannot handle modes with a hsync front porch of 0.
* WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw.
struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
+ struct drm_rect clip = {};
int src_x, src_y;
u32 offset;
int ret;
+ if (crtc_state->base.enable)
+ drm_mode_get_hv_timing(&crtc_state->base.mode,
+ &clip.x2, &clip.y2);
+
ret = drm_atomic_helper_check_plane_state(&plane_state->base,
&crtc_state->base,
- &plane_state->clip,
+ &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
struct wait_queue_entry wait;
struct drm_crtc *crtc;
- struct drm_i915_gem_request *request;
+ struct i915_request *request;
};
static int do_rps_boost(struct wait_queue_entry *_wait,
unsigned mode, int sync, void *key)
{
struct wait_rps_boost *wait = container_of(_wait, typeof(*wait), wait);
- struct drm_i915_gem_request *rq = wait->request;
+ struct i915_request *rq = wait->request;
/*
* If we missed the vblank, but the request is already running it
* is reasonable to assume that it will complete before the next
* vblank without our intervention, so leave RPS alone.
*/
- if (!i915_gem_request_started(rq))
+ if (!i915_request_started(rq))
gen6_rps_boost(rq, NULL);
- i915_gem_request_put(rq);
+ i915_request_put(rq);
drm_crtc_vblank_put(wait->crtc);
add_wait_queue(drm_crtc_vblank_waitqueue(crtc), &wait->wait);
}
+static int intel_plane_pin_fb(struct intel_plane_state *plane_state)
+{
+ struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+ struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+ struct drm_framebuffer *fb = plane_state->base.fb;
+ struct i915_vma *vma;
+
+ if (plane->id == PLANE_CURSOR &&
+ INTEL_INFO(dev_priv)->cursor_needs_physical) {
+ struct drm_i915_gem_object *obj = intel_fb_obj(fb);
+ const int align = intel_cursor_alignment(dev_priv);
+
+ return i915_gem_object_attach_phys(obj, align);
+ }
+
+ vma = intel_pin_and_fence_fb_obj(fb,
+ plane_state->base.rotation,
+ intel_plane_uses_fence(plane_state),
+ &plane_state->flags);
+ if (IS_ERR(vma))
+ return PTR_ERR(vma);
+
+ plane_state->vma = vma;
+
+ return 0;
+}
+
+static void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state)
+{
+ struct i915_vma *vma;
+
+ vma = fetch_and_zero(&old_plane_state->vma);
+ if (vma)
+ intel_unpin_fb_vma(vma, old_plane_state->flags);
+}
+
/**
* intel_prepare_plane_fb - Prepare fb for usage on plane
* @plane: drm plane to prepare for
return ret;
}
- if (plane->type == DRM_PLANE_TYPE_CURSOR &&
- INTEL_INFO(dev_priv)->cursor_needs_physical) {
- const int align = intel_cursor_alignment(dev_priv);
-
- ret = i915_gem_object_attach_phys(obj, align);
- } else {
- struct i915_vma *vma;
-
- vma = intel_pin_and_fence_fb_obj(fb,
- new_state->rotation,
- &to_intel_plane_state(new_state)->flags);
- if (!IS_ERR(vma))
- to_intel_plane_state(new_state)->vma = vma;
- else
- ret = PTR_ERR(vma);
- }
+ ret = intel_plane_pin_fb(to_intel_plane_state(new_state));
i915_gem_object_wait_priority(obj, 0, I915_PRIORITY_DISPLAY);
intel_cleanup_plane_fb(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
- struct i915_vma *vma;
+ struct drm_i915_private *dev_priv = to_i915(plane->dev);
/* Should only be called after a successful intel_prepare_plane_fb()! */
- vma = fetch_and_zero(&to_intel_plane_state(old_state)->vma);
- if (vma) {
- mutex_lock(&plane->dev->struct_mutex);
- intel_unpin_fb_vma(vma, to_intel_plane_state(old_state)->flags);
- mutex_unlock(&plane->dev->struct_mutex);
- }
+ mutex_lock(&dev_priv->drm.struct_mutex);
+ intel_plane_unpin_fb(to_intel_plane_state(old_state));
+ mutex_unlock(&dev_priv->drm.struct_mutex);
}
int
int min_scale = DRM_PLANE_HELPER_NO_SCALING;
int max_scale = DRM_PLANE_HELPER_NO_SCALING;
bool can_position = false;
+ struct drm_rect clip = {};
int ret;
if (INTEL_GEN(dev_priv) >= 9) {
can_position = true;
}
+ if (crtc_state->base.enable)
+ drm_mode_get_hv_timing(&crtc_state->base.mode,
+ &clip.x2, &clip.y2);
+
ret = drm_atomic_helper_check_plane_state(&state->base,
&crtc_state->base,
- &state->clip,
+ &clip,
min_scale, max_scale,
can_position, true);
if (ret)
struct intel_plane *intel_plane = to_intel_plane(plane);
struct drm_framebuffer *old_fb;
struct drm_crtc_state *crtc_state = crtc->state;
- struct i915_vma *old_vma, *vma;
/*
* When crtc is inactive or there is a modeset pending,
if (ret)
goto out_free;
- if (INTEL_INFO(dev_priv)->cursor_needs_physical) {
- int align = intel_cursor_alignment(dev_priv);
-
- ret = i915_gem_object_attach_phys(intel_fb_obj(fb), align);
- if (ret) {
- DRM_DEBUG_KMS("failed to attach phys object\n");
- goto out_unlock;
- }
- } else {
- vma = intel_pin_and_fence_fb_obj(fb,
- new_plane_state->rotation,
- &to_intel_plane_state(new_plane_state)->flags);
- if (IS_ERR(vma)) {
- DRM_DEBUG_KMS("failed to pin object\n");
-
- ret = PTR_ERR(vma);
- goto out_unlock;
- }
-
- to_intel_plane_state(new_plane_state)->vma = vma;
- }
+ ret = intel_plane_pin_fb(to_intel_plane_state(new_plane_state));
+ if (ret)
+ goto out_unlock;
old_fb = old_plane_state->fb;
intel_plane->disable_plane(intel_plane, to_intel_crtc(crtc));
}
- old_vma = fetch_and_zero(&to_intel_plane_state(old_plane_state)->vma);
- if (old_vma)
- intel_unpin_fb_vma(old_vma,
- to_intel_plane_state(old_plane_state)->flags);
+ intel_plane_unpin_fb(to_intel_plane_state(old_plane_state));
out_unlock:
mutex_unlock(&dev_priv->drm.struct_mutex);
.format_mod_supported = intel_cursor_plane_format_mod_supported,
};
+static bool i9xx_plane_has_fbc(struct drm_i915_private *dev_priv,
+ enum i9xx_plane_id i9xx_plane)
+{
+ if (!HAS_FBC(dev_priv))
+ return false;
+
+ if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
+ return i9xx_plane == PLANE_A; /* tied to pipe A */
+ else if (IS_IVYBRIDGE(dev_priv))
+ return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B ||
+ i9xx_plane == PLANE_C;
+ else if (INTEL_GEN(dev_priv) >= 4)
+ return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B;
+ else
+ return i9xx_plane == PLANE_A;
+}
+
+static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv,
+ enum pipe pipe, enum plane_id plane_id)
+{
+ if (!HAS_FBC(dev_priv))
+ return false;
+
+ return pipe == PIPE_A && plane_id == PLANE_PRIMARY;
+}
+
static struct intel_plane *
intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
{
primary->i9xx_plane = (enum i9xx_plane_id) pipe;
primary->id = PLANE_PRIMARY;
primary->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, primary->id);
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ primary->has_fbc = skl_plane_has_fbc(dev_priv,
+ primary->pipe,
+ primary->id);
+ else
+ primary->has_fbc = i9xx_plane_has_fbc(dev_priv,
+ primary->i9xx_plane);
+
+ if (primary->has_fbc) {
+ struct intel_fbc *fbc = &dev_priv->fbc;
+
+ fbc->possible_framebuffer_bits |= primary->frontbuffer_bit;
+ }
+
primary->check_plane = intel_check_primary_plane;
if (INTEL_GEN(dev_priv) >= 9) {
kfree(state);
}
+ static enum drm_mode_status
+ intel_mode_valid(struct drm_device *dev,
+ const struct drm_display_mode *mode)
+ {
+ if (mode->vscan > 1)
+ return MODE_NO_VSCAN;
+
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ if (mode->flags & DRM_MODE_FLAG_HSKEW)
+ return MODE_H_ILLEGAL;
+
+ if (mode->flags & (DRM_MODE_FLAG_CSYNC |
+ DRM_MODE_FLAG_NCSYNC |
+ DRM_MODE_FLAG_PCSYNC))
+ return MODE_HSYNC;
+
+ if (mode->flags & (DRM_MODE_FLAG_BCAST |
+ DRM_MODE_FLAG_PIXMUX |
+ DRM_MODE_FLAG_CLKDIV2))
+ return MODE_BAD;
+
+ return MODE_OK;
+ }
+
static const struct drm_mode_config_funcs intel_mode_funcs = {
.fb_create = intel_user_framebuffer_create,
.get_format_info = intel_get_format_info,
.output_poll_changed = intel_fbdev_output_poll_changed,
+ .mode_valid = intel_mode_valid,
.atomic_check = intel_atomic_check,
.atomic_commit = intel_atomic_commit,
.atomic_state_alloc = intel_atomic_state_alloc,
for_each_intel_connector_iter(connector, &conn_iter) {
if (connector->modeset_retry_work.func)
cancel_work_sync(&connector->modeset_retry_work);
+ if (connector->hdcp_shim) {
+ cancel_delayed_work_sync(&connector->hdcp_check_work);
+ cancel_work_sync(&connector->hdcp_prop_work);
+ }
}
drm_connector_list_iter_end(&conn_iter);
}
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
+ #include <drm/drm_dp_helper.h>
#include <drm/drm_edid.h>
+ #include <drm/drm_hdcp.h>
#include "intel_drv.h"
#include <drm/i915_drm.h>
#include "i915_drv.h"
{ .p1 = 2, .p2 = 1, .n = 1, .m1 = 2, .m2 = 0x6c00000 } }
};
-static const int bxt_rates[] = { 162000, 216000, 243000, 270000,
- 324000, 432000, 540000 };
-static const int skl_rates[] = { 162000, 216000, 270000,
- 324000, 432000, 540000 };
-static const int cnl_rates[] = { 162000, 216000, 270000,
- 324000, 432000, 540000,
- 648000, 810000 };
-static const int default_rates[] = { 162000, 270000, 540000 };
-
/**
* intel_dp_is_edp - is the given port attached to an eDP panel (either CPU or PCH)
* @intel_dp: DP struct
/* update sink rates from dpcd */
static void intel_dp_set_sink_rates(struct intel_dp *intel_dp)
{
+ static const int dp_rates[] = {
+ 162000, 270000, 540000, 810000
+ };
int i, max_rate;
max_rate = drm_dp_bw_code_to_link_rate(intel_dp->dpcd[DP_MAX_LINK_RATE]);
- for (i = 0; i < ARRAY_SIZE(default_rates); i++) {
- if (default_rates[i] > max_rate)
+ for (i = 0; i < ARRAY_SIZE(dp_rates); i++) {
+ if (dp_rates[i] > max_rate)
break;
- intel_dp->sink_rates[i] = default_rates[i];
+ intel_dp->sink_rates[i] = dp_rates[i];
}
intel_dp->num_sink_rates = i;
static void
intel_dp_set_source_rates(struct intel_dp *intel_dp)
{
+ /* The values must be in increasing order */
+ static const int cnl_rates[] = {
+ 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000
+ };
+ static const int bxt_rates[] = {
+ 162000, 216000, 243000, 270000, 324000, 432000, 540000
+ };
+ static const int skl_rates[] = {
+ 162000, 216000, 270000, 324000, 432000, 540000
+ };
+ static const int hsw_rates[] = {
+ 162000, 270000, 540000
+ };
+ static const int g4x_rates[] = {
+ 162000, 270000
+ };
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
const struct ddi_vbt_port_info *info =
/* This should only be done once */
WARN_ON(intel_dp->source_rates || intel_dp->num_source_rates);
- if (IS_GEN9_LP(dev_priv)) {
- source_rates = bxt_rates;
- size = ARRAY_SIZE(bxt_rates);
- } else if (IS_CANNONLAKE(dev_priv)) {
+ if (IS_CANNONLAKE(dev_priv)) {
source_rates = cnl_rates;
size = ARRAY_SIZE(cnl_rates);
max_rate = cnl_max_source_rate(intel_dp);
+ } else if (IS_GEN9_LP(dev_priv)) {
+ source_rates = bxt_rates;
+ size = ARRAY_SIZE(bxt_rates);
} else if (IS_GEN9_BC(dev_priv)) {
source_rates = skl_rates;
size = ARRAY_SIZE(skl_rates);
} else if ((IS_HASWELL(dev_priv) && !IS_HSW_ULX(dev_priv)) ||
IS_BROADWELL(dev_priv)) {
- source_rates = default_rates;
- size = ARRAY_SIZE(default_rates);
+ source_rates = hsw_rates;
+ size = ARRAY_SIZE(hsw_rates);
} else {
- source_rates = default_rates;
- size = ARRAY_SIZE(default_rates) - 1;
+ source_rates = g4x_rates;
+ size = ARRAY_SIZE(g4x_rates);
}
if (max_rate && vbt_max_rate)
/* Paranoia, there should always be something in common. */
if (WARN_ON(intel_dp->num_common_rates == 0)) {
- intel_dp->common_rates[0] = default_rates[0];
+ intel_dp->common_rates[0] = 162000;
intel_dp->num_common_rates = 1;
}
}
bxt_power_sequencer_idx(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+ int backlight_controller = dev_priv->vbt.backlight.controller;
lockdep_assert_held(&dev_priv->pps_mutex);
/* We should never land here with regular DP ports */
WARN_ON(!intel_dp_is_edp(intel_dp));
- /*
- * TODO: BXT has 2 PPS instances. The correct port->PPS instance
- * mapping needs to be retrieved from VBT, for now just hard-code to
- * use instance #0 always.
- */
if (!intel_dp->pps_reset)
- return 0;
+ return backlight_controller;
intel_dp->pps_reset = false;
*/
intel_dp_init_panel_power_sequencer_registers(intel_dp, false);
- return 0;
+ return backlight_controller;
}
typedef bool (*vlv_pipe_check)(struct drm_i915_private *dev_priv,
intel_dp_aux_wait_done(struct intel_dp *intel_dp, bool has_aux_irq)
{
struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
- i915_reg_t ch_ctl = intel_dp->aux_ch_ctl_reg;
+ i915_reg_t ch_ctl = intel_dp->aux_ch_ctl_reg(intel_dp);
uint32_t status;
bool done;
static uint32_t g4x_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
if (index)
return 0;
static uint32_t ilk_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
if (index)
return 0;
* like to run at 2MHz. So, take the cdclk or PCH rawclk value and
* divide by 2000 and use that
*/
- if (intel_dig_port->base.port == PORT_A)
+ if (intel_dp->aux_ch == AUX_CH_A)
return DIV_ROUND_CLOSEST(dev_priv->cdclk.hw.cdclk, 2000);
else
return DIV_ROUND_CLOSEST(dev_priv->rawclk_freq, 2000);
static uint32_t hsw_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
- if (intel_dig_port->base.port != PORT_A && HAS_PCH_LPT_H(dev_priv)) {
+ if (intel_dp->aux_ch != AUX_CH_A && HAS_PCH_LPT_H(dev_priv)) {
/* Workaround for non-ULT HSW */
switch (index) {
case 0: return 63;
DP_AUX_CH_CTL_SYNC_PULSE_SKL(32);
}
+ static uint32_t intel_dp_get_aux_send_ctl(struct intel_dp *intel_dp,
+ bool has_aux_irq,
+ int send_bytes,
+ uint32_t aux_clock_divider,
+ bool aksv_write)
+ {
+ uint32_t val = 0;
+
+ if (aksv_write) {
+ send_bytes += 5;
+ val |= DP_AUX_CH_CTL_AUX_AKSV_SELECT;
+ }
+
+ return val | intel_dp->get_aux_send_ctl(intel_dp,
+ has_aux_irq,
+ send_bytes,
+ aux_clock_divider);
+ }
+
static int
intel_dp_aux_ch(struct intel_dp *intel_dp,
const uint8_t *send, int send_bytes,
- uint8_t *recv, int recv_size)
+ uint8_t *recv, int recv_size, bool aksv_write)
{
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
struct drm_i915_private *dev_priv =
to_i915(intel_dig_port->base.base.dev);
- i915_reg_t ch_ctl = intel_dp->aux_ch_ctl_reg;
+ i915_reg_t ch_ctl, ch_data[5];
uint32_t aux_clock_divider;
int i, ret, recv_bytes;
uint32_t status;
bool has_aux_irq = HAS_AUX_IRQ(dev_priv);
bool vdd;
+ ch_ctl = intel_dp->aux_ch_ctl_reg(intel_dp);
+ for (i = 0; i < ARRAY_SIZE(ch_data); i++)
+ ch_data[i] = intel_dp->aux_ch_data_reg(intel_dp, i);
+
pps_lock(intel_dp);
/*
}
while ((aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, clock++))) {
- u32 send_ctl = intel_dp->get_aux_send_ctl(intel_dp,
- has_aux_irq,
- send_bytes,
- aux_clock_divider);
+ u32 send_ctl = intel_dp_get_aux_send_ctl(intel_dp,
+ has_aux_irq,
+ send_bytes,
+ aux_clock_divider,
+ aksv_write);
/* Must try at least 3 times according to DP spec */
for (try = 0; try < 5; try++) {
/* Load the send data into the aux channel data registers */
for (i = 0; i < send_bytes; i += 4)
- I915_WRITE(intel_dp->aux_ch_data_reg[i >> 2],
+ I915_WRITE(ch_data[i >> 2],
intel_dp_pack_aux(send + i,
send_bytes - i));
DP_AUX_CH_CTL_TIME_OUT_ERROR |
DP_AUX_CH_CTL_RECEIVE_ERROR);
- if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR)
- continue;
-
/* DP CTS 1.2 Core Rev 1.1, 4.2.1.1 & 4.2.1.2
* 400us delay required for errors and timeouts
* Timeout errors from the HW already meet this
* requirement so skip to next iteration
*/
+ if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR)
+ continue;
+
if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) {
usleep_range(400, 500);
continue;
if (recv_bytes == 0 || recv_bytes > 20) {
DRM_DEBUG_KMS("Forbidden recv_bytes = %d on aux transaction\n",
recv_bytes);
- /*
- * FIXME: This patch was created on top of a series that
- * organize the retries at drm level. There EBUSY should
- * also take care for 1ms wait before retrying.
- * That aux retries re-org is still needed and after that is
- * merged we remove this sleep from here.
- */
- usleep_range(1000, 1500);
ret = -EBUSY;
goto out;
}
recv_bytes = recv_size;
for (i = 0; i < recv_bytes; i += 4)
- intel_dp_unpack_aux(I915_READ(intel_dp->aux_ch_data_reg[i >> 2]),
+ intel_dp_unpack_aux(I915_READ(ch_data[i >> 2]),
recv + i, recv_bytes - i);
ret = recv_bytes;
if (msg->buffer)
memcpy(txbuf + HEADER_SIZE, msg->buffer, msg->size);
- ret = intel_dp_aux_ch(intel_dp, txbuf, txsize, rxbuf, rxsize);
+ ret = intel_dp_aux_ch(intel_dp, txbuf, txsize, rxbuf, rxsize,
+ false);
if (ret > 0) {
msg->reply = rxbuf[0] >> 4;
if (WARN_ON(rxsize > 20))
return -E2BIG;
- ret = intel_dp_aux_ch(intel_dp, txbuf, txsize, rxbuf, rxsize);
+ ret = intel_dp_aux_ch(intel_dp, txbuf, txsize, rxbuf, rxsize,
+ false);
if (ret > 0) {
msg->reply = rxbuf[0] >> 4;
/*
return ret;
}
-static enum port intel_aux_port(struct drm_i915_private *dev_priv,
- enum port port)
+static enum aux_ch intel_aux_ch(struct intel_dp *intel_dp)
{
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ enum port port = encoder->port;
const struct ddi_vbt_port_info *info =
&dev_priv->vbt.ddi_port_info[port];
- enum port aux_port;
+ enum aux_ch aux_ch;
if (!info->alternate_aux_channel) {
+ aux_ch = (enum aux_ch) port;
+
DRM_DEBUG_KMS("using AUX %c for port %c (platform default)\n",
- port_name(port), port_name(port));
- return port;
+ aux_ch_name(aux_ch), port_name(port));
+ return aux_ch;
}
switch (info->alternate_aux_channel) {
case DP_AUX_A:
- aux_port = PORT_A;
+ aux_ch = AUX_CH_A;
break;
case DP_AUX_B:
- aux_port = PORT_B;
+ aux_ch = AUX_CH_B;
break;
case DP_AUX_C:
- aux_port = PORT_C;
+ aux_ch = AUX_CH_C;
break;
case DP_AUX_D:
- aux_port = PORT_D;
+ aux_ch = AUX_CH_D;
break;
case DP_AUX_F:
- aux_port = PORT_F;
+ aux_ch = AUX_CH_F;
break;
default:
MISSING_CASE(info->alternate_aux_channel);
- aux_port = PORT_A;
+ aux_ch = AUX_CH_A;
break;
}
DRM_DEBUG_KMS("using AUX %c for port %c (VBT)\n",
- port_name(aux_port), port_name(port));
+ aux_ch_name(aux_ch), port_name(port));
- return aux_port;
+ return aux_ch;
}
-static i915_reg_t g4x_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
+static enum intel_display_power_domain
+intel_aux_power_domain(struct intel_dp *intel_dp)
{
- switch (port) {
- case PORT_B:
- case PORT_C:
- case PORT_D:
- return DP_AUX_CH_CTL(port);
+ switch (intel_dp->aux_ch) {
+ case AUX_CH_A:
+ return POWER_DOMAIN_AUX_A;
+ case AUX_CH_B:
+ return POWER_DOMAIN_AUX_B;
+ case AUX_CH_C:
+ return POWER_DOMAIN_AUX_C;
+ case AUX_CH_D:
+ return POWER_DOMAIN_AUX_D;
+ case AUX_CH_F:
+ return POWER_DOMAIN_AUX_F;
default:
- MISSING_CASE(port);
- return DP_AUX_CH_CTL(PORT_B);
+ MISSING_CASE(intel_dp->aux_ch);
+ return POWER_DOMAIN_AUX_A;
}
}
-static i915_reg_t g4x_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
+static i915_reg_t g4x_aux_ctl_reg(struct intel_dp *intel_dp)
{
- switch (port) {
- case PORT_B:
- case PORT_C:
- case PORT_D:
- return DP_AUX_CH_DATA(port, index);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+ enum aux_ch aux_ch = intel_dp->aux_ch;
+
+ switch (aux_ch) {
+ case AUX_CH_B:
+ case AUX_CH_C:
+ case AUX_CH_D:
+ return DP_AUX_CH_CTL(aux_ch);
default:
- MISSING_CASE(port);
- return DP_AUX_CH_DATA(PORT_B, index);
+ MISSING_CASE(aux_ch);
+ return DP_AUX_CH_CTL(AUX_CH_B);
}
}
-static i915_reg_t ilk_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
+static i915_reg_t g4x_aux_data_reg(struct intel_dp *intel_dp, int index)
{
- switch (port) {
- case PORT_A:
- return DP_AUX_CH_CTL(port);
- case PORT_B:
- case PORT_C:
- case PORT_D:
- return PCH_DP_AUX_CH_CTL(port);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+ enum aux_ch aux_ch = intel_dp->aux_ch;
+
+ switch (aux_ch) {
+ case AUX_CH_B:
+ case AUX_CH_C:
+ case AUX_CH_D:
+ return DP_AUX_CH_DATA(aux_ch, index);
default:
- MISSING_CASE(port);
- return DP_AUX_CH_CTL(PORT_A);
+ MISSING_CASE(aux_ch);
+ return DP_AUX_CH_DATA(AUX_CH_B, index);
}
}
-static i915_reg_t ilk_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
+static i915_reg_t ilk_aux_ctl_reg(struct intel_dp *intel_dp)
{
- switch (port) {
- case PORT_A:
- return DP_AUX_CH_DATA(port, index);
- case PORT_B:
- case PORT_C:
- case PORT_D:
- return PCH_DP_AUX_CH_DATA(port, index);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+ enum aux_ch aux_ch = intel_dp->aux_ch;
+
+ switch (aux_ch) {
+ case AUX_CH_A:
+ return DP_AUX_CH_CTL(aux_ch);
+ case AUX_CH_B:
+ case AUX_CH_C:
+ case AUX_CH_D:
+ return PCH_DP_AUX_CH_CTL(aux_ch);
default:
- MISSING_CASE(port);
- return DP_AUX_CH_DATA(PORT_A, index);
+ MISSING_CASE(aux_ch);
+ return DP_AUX_CH_CTL(AUX_CH_A);
}
}
-static i915_reg_t skl_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
+static i915_reg_t ilk_aux_data_reg(struct intel_dp *intel_dp, int index)
{
- switch (port) {
- case PORT_A:
- case PORT_B:
- case PORT_C:
- case PORT_D:
- case PORT_F:
- return DP_AUX_CH_CTL(port);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+ enum aux_ch aux_ch = intel_dp->aux_ch;
+
+ switch (aux_ch) {
+ case AUX_CH_A:
+ return DP_AUX_CH_DATA(aux_ch, index);
+ case AUX_CH_B:
+ case AUX_CH_C:
+ case AUX_CH_D:
+ return PCH_DP_AUX_CH_DATA(aux_ch, index);
default:
- MISSING_CASE(port);
- return DP_AUX_CH_CTL(PORT_A);
+ MISSING_CASE(aux_ch);
+ return DP_AUX_CH_DATA(AUX_CH_A, index);
}
}
-static i915_reg_t skl_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
+static i915_reg_t skl_aux_ctl_reg(struct intel_dp *intel_dp)
{
- switch (port) {
- case PORT_A:
- case PORT_B:
- case PORT_C:
- case PORT_D:
- case PORT_F:
- return DP_AUX_CH_DATA(port, index);
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+ enum aux_ch aux_ch = intel_dp->aux_ch;
+
+ switch (aux_ch) {
+ case AUX_CH_A:
+ case AUX_CH_B:
+ case AUX_CH_C:
+ case AUX_CH_D:
+ case AUX_CH_F:
+ return DP_AUX_CH_CTL(aux_ch);
default:
- MISSING_CASE(port);
- return DP_AUX_CH_DATA(PORT_A, index);
+ MISSING_CASE(aux_ch);
+ return DP_AUX_CH_CTL(AUX_CH_A);
}
}
-static i915_reg_t intel_aux_ctl_reg(struct drm_i915_private *dev_priv,
- enum port port)
-{
- if (INTEL_GEN(dev_priv) >= 9)
- return skl_aux_ctl_reg(dev_priv, port);
- else if (HAS_PCH_SPLIT(dev_priv))
- return ilk_aux_ctl_reg(dev_priv, port);
- else
- return g4x_aux_ctl_reg(dev_priv, port);
-}
-
-static i915_reg_t intel_aux_data_reg(struct drm_i915_private *dev_priv,
- enum port port, int index)
-{
- if (INTEL_GEN(dev_priv) >= 9)
- return skl_aux_data_reg(dev_priv, port, index);
- else if (HAS_PCH_SPLIT(dev_priv))
- return ilk_aux_data_reg(dev_priv, port, index);
- else
- return g4x_aux_data_reg(dev_priv, port, index);
-}
-
-static void intel_aux_reg_init(struct intel_dp *intel_dp)
+static i915_reg_t skl_aux_data_reg(struct intel_dp *intel_dp, int index)
{
struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
- enum port port = intel_aux_port(dev_priv,
- dp_to_dig_port(intel_dp)->base.port);
- int i;
-
- intel_dp->aux_ch_ctl_reg = intel_aux_ctl_reg(dev_priv, port);
- for (i = 0; i < ARRAY_SIZE(intel_dp->aux_ch_data_reg); i++)
- intel_dp->aux_ch_data_reg[i] = intel_aux_data_reg(dev_priv, port, i);
+ enum aux_ch aux_ch = intel_dp->aux_ch;
+
+ switch (aux_ch) {
+ case AUX_CH_A:
+ case AUX_CH_B:
+ case AUX_CH_C:
+ case AUX_CH_D:
+ case AUX_CH_F:
+ return DP_AUX_CH_DATA(aux_ch, index);
+ default:
+ MISSING_CASE(aux_ch);
+ return DP_AUX_CH_DATA(AUX_CH_A, index);
+ }
}
static void
static void
intel_dp_aux_init(struct intel_dp *intel_dp)
{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- enum port port = intel_dig_port->base.port;
+ struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+
+ intel_dp->aux_ch = intel_aux_ch(intel_dp);
+ intel_dp->aux_power_domain = intel_aux_power_domain(intel_dp);
+
+ if (INTEL_GEN(dev_priv) >= 9) {
+ intel_dp->aux_ch_ctl_reg = skl_aux_ctl_reg;
+ intel_dp->aux_ch_data_reg = skl_aux_data_reg;
+ } else if (HAS_PCH_SPLIT(dev_priv)) {
+ intel_dp->aux_ch_ctl_reg = ilk_aux_ctl_reg;
+ intel_dp->aux_ch_data_reg = ilk_aux_data_reg;
+ } else {
+ intel_dp->aux_ch_ctl_reg = g4x_aux_ctl_reg;
+ intel_dp->aux_ch_data_reg = g4x_aux_data_reg;
+ }
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ intel_dp->get_aux_clock_divider = skl_get_aux_clock_divider;
+ else if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
+ intel_dp->get_aux_clock_divider = hsw_get_aux_clock_divider;
+ else if (HAS_PCH_SPLIT(dev_priv))
+ intel_dp->get_aux_clock_divider = ilk_get_aux_clock_divider;
+ else
+ intel_dp->get_aux_clock_divider = g4x_get_aux_clock_divider;
+
+ if (INTEL_GEN(dev_priv) >= 9)
+ intel_dp->get_aux_send_ctl = skl_get_aux_send_ctl;
+ else
+ intel_dp->get_aux_send_ctl = g4x_get_aux_send_ctl;
- intel_aux_reg_init(intel_dp);
drm_dp_aux_init(&intel_dp->aux);
/* Failure to allocate our preferred name is not critical */
- intel_dp->aux.name = kasprintf(GFP_KERNEL, "DPDDC-%c", port_name(port));
+ intel_dp->aux.name = kasprintf(GFP_KERNEL, "DPDDC-%c",
+ port_name(encoder->port));
intel_dp->aux.transfer = intel_dp_aux_transfer;
}
DP_LINK_STATUS_SIZE) == DP_LINK_STATUS_SIZE;
}
-static bool intel_dp_get_y_cord_status(struct intel_dp *intel_dp)
-{
- uint8_t psr_caps = 0;
-
- if (drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_CAPS, &psr_caps) != 1)
- return false;
- return psr_caps & DP_PSR2_SU_Y_COORDINATE_REQUIRED;
-}
-
-static bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)
-{
- uint8_t dprx = 0;
-
- if (drm_dp_dpcd_readb(&intel_dp->aux, DP_DPRX_FEATURE_ENUMERATION_LIST,
- &dprx) != 1)
- return false;
- return dprx & DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED;
-}
-
-static bool intel_dp_get_alpm_status(struct intel_dp *intel_dp)
-{
- uint8_t alpm_caps = 0;
-
- if (drm_dp_dpcd_readb(&intel_dp->aux, DP_RECEIVER_ALPM_CAP,
- &alpm_caps) != 1)
- return false;
- return alpm_caps & DP_ALPM_CAP;
-}
-
/* These are source-specific values. */
uint8_t
intel_dp_voltage_max(struct intel_dp *intel_dp)
dev_priv->no_aux_handshake = intel_dp->dpcd[DP_MAX_DOWNSPREAD] &
DP_NO_AUX_HANDSHAKE_LINK_TRAINING;
- /* Check if the panel supports PSR */
- drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT,
- intel_dp->psr_dpcd,
- sizeof(intel_dp->psr_dpcd));
- if (intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED) {
- dev_priv->psr.sink_support = true;
- DRM_DEBUG_KMS("Detected EDP PSR Panel.\n");
- }
-
- if (INTEL_GEN(dev_priv) >= 9 &&
- (intel_dp->psr_dpcd[0] & DP_PSR2_IS_SUPPORTED)) {
- uint8_t frame_sync_cap;
-
- dev_priv->psr.sink_support = true;
- if (drm_dp_dpcd_readb(&intel_dp->aux,
- DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP,
- &frame_sync_cap) != 1)
- frame_sync_cap = 0;
- dev_priv->psr.aux_frame_sync = frame_sync_cap ? true : false;
- /* PSR2 needs frame sync as well */
- dev_priv->psr.psr2_support = dev_priv->psr.aux_frame_sync;
- DRM_DEBUG_KMS("PSR2 %s on sink",
- dev_priv->psr.psr2_support ? "supported" : "not supported");
-
- if (dev_priv->psr.psr2_support) {
- dev_priv->psr.y_cord_support =
- intel_dp_get_y_cord_status(intel_dp);
- dev_priv->psr.colorimetry_support =
- intel_dp_get_colorimetry_status(intel_dp);
- dev_priv->psr.alpm =
- intel_dp_get_alpm_status(intel_dp);
- }
-
- }
+ intel_psr_init_dpcd(intel_dp);
/*
* Read the eDP display control registers.
pps_unlock(intel_dp);
}
+ static
+ int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
+ u8 *an)
+ {
+ struct intel_dp *intel_dp = enc_to_intel_dp(&intel_dig_port->base.base);
+ uint8_t txbuf[4], rxbuf[2], reply = 0;
+ ssize_t dpcd_ret;
+ int ret;
+
+ /* Output An first, that's easy */
+ dpcd_ret = drm_dp_dpcd_write(&intel_dig_port->dp.aux, DP_AUX_HDCP_AN,
+ an, DRM_HDCP_AN_LEN);
+ if (dpcd_ret != DRM_HDCP_AN_LEN) {
+ DRM_ERROR("Failed to write An over DP/AUX (%zd)\n", dpcd_ret);
+ return dpcd_ret >= 0 ? -EIO : dpcd_ret;
+ }
+
+ /*
+ * Since Aksv is Oh-So-Secret, we can't access it in software. So in
+ * order to get it on the wire, we need to create the AUX header as if
+ * we were writing the data, and then tickle the hardware to output the
+ * data once the header is sent out.
+ */
+ txbuf[0] = (DP_AUX_NATIVE_WRITE << 4) |
+ ((DP_AUX_HDCP_AKSV >> 16) & 0xf);
+ txbuf[1] = (DP_AUX_HDCP_AKSV >> 8) & 0xff;
+ txbuf[2] = DP_AUX_HDCP_AKSV & 0xff;
+ txbuf[3] = DRM_HDCP_KSV_LEN - 1;
+
+ ret = intel_dp_aux_ch(intel_dp, txbuf, sizeof(txbuf), rxbuf,
+ sizeof(rxbuf), true);
+ if (ret < 0) {
+ DRM_ERROR("Write Aksv over DP/AUX failed (%d)\n", ret);
+ return ret;
+ } else if (ret == 0) {
+ DRM_ERROR("Aksv write over DP/AUX was empty\n");
+ return -EIO;
+ }
+
+ reply = (rxbuf[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK;
+ return reply == DP_AUX_NATIVE_REPLY_ACK ? 0 : -EIO;
+ }
+
+ static int intel_dp_hdcp_read_bksv(struct intel_digital_port *intel_dig_port,
+ u8 *bksv)
+ {
+ ssize_t ret;
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BKSV, bksv,
+ DRM_HDCP_KSV_LEN);
+ if (ret != DRM_HDCP_KSV_LEN) {
+ DRM_ERROR("Read Bksv from DP/AUX failed (%zd)\n", ret);
+ return ret >= 0 ? -EIO : ret;
+ }
+ return 0;
+ }
+
+ static int intel_dp_hdcp_read_bstatus(struct intel_digital_port *intel_dig_port,
+ u8 *bstatus)
+ {
+ ssize_t ret;
+ /*
+ * For some reason the HDMI and DP HDCP specs call this register
+ * definition by different names. In the HDMI spec, it's called BSTATUS,
+ * but in DP it's called BINFO.
+ */
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BINFO,
+ bstatus, DRM_HDCP_BSTATUS_LEN);
+ if (ret != DRM_HDCP_BSTATUS_LEN) {
+ DRM_ERROR("Read bstatus from DP/AUX failed (%zd)\n", ret);
+ return ret >= 0 ? -EIO : ret;
+ }
+ return 0;
+ }
+
+ static
+ int intel_dp_hdcp_read_bcaps(struct intel_digital_port *intel_dig_port,
+ u8 *bcaps)
+ {
+ ssize_t ret;
+
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BCAPS,
+ bcaps, 1);
+ if (ret != 1) {
+ DRM_ERROR("Read bcaps from DP/AUX failed (%zd)\n", ret);
+ return ret >= 0 ? -EIO : ret;
+ }
+
+ return 0;
+ }
+
+ static
+ int intel_dp_hdcp_repeater_present(struct intel_digital_port *intel_dig_port,
+ bool *repeater_present)
+ {
+ ssize_t ret;
+ u8 bcaps;
+
+ ret = intel_dp_hdcp_read_bcaps(intel_dig_port, &bcaps);
+ if (ret)
+ return ret;
+
+ *repeater_present = bcaps & DP_BCAPS_REPEATER_PRESENT;
+ return 0;
+ }
+
+ static
+ int intel_dp_hdcp_read_ri_prime(struct intel_digital_port *intel_dig_port,
+ u8 *ri_prime)
+ {
+ ssize_t ret;
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_RI_PRIME,
+ ri_prime, DRM_HDCP_RI_LEN);
+ if (ret != DRM_HDCP_RI_LEN) {
+ DRM_ERROR("Read Ri' from DP/AUX failed (%zd)\n", ret);
+ return ret >= 0 ? -EIO : ret;
+ }
+ return 0;
+ }
+
+ static
+ int intel_dp_hdcp_read_ksv_ready(struct intel_digital_port *intel_dig_port,
+ bool *ksv_ready)
+ {
+ ssize_t ret;
+ u8 bstatus;
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BSTATUS,
+ &bstatus, 1);
+ if (ret != 1) {
+ DRM_ERROR("Read bstatus from DP/AUX failed (%zd)\n", ret);
+ return ret >= 0 ? -EIO : ret;
+ }
+ *ksv_ready = bstatus & DP_BSTATUS_READY;
+ return 0;
+ }
+
+ static
+ int intel_dp_hdcp_read_ksv_fifo(struct intel_digital_port *intel_dig_port,
+ int num_downstream, u8 *ksv_fifo)
+ {
+ ssize_t ret;
+ int i;
+
+ /* KSV list is read via 15 byte window (3 entries @ 5 bytes each) */
+ for (i = 0; i < num_downstream; i += 3) {
+ size_t len = min(num_downstream - i, 3) * DRM_HDCP_KSV_LEN;
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux,
+ DP_AUX_HDCP_KSV_FIFO,
+ ksv_fifo + i * DRM_HDCP_KSV_LEN,
+ len);
+ if (ret != len) {
+ DRM_ERROR("Read ksv[%d] from DP/AUX failed (%zd)\n", i,
+ ret);
+ return ret >= 0 ? -EIO : ret;
+ }
+ }
+ return 0;
+ }
+
+ static
+ int intel_dp_hdcp_read_v_prime_part(struct intel_digital_port *intel_dig_port,
+ int i, u32 *part)
+ {
+ ssize_t ret;
+
+ if (i >= DRM_HDCP_V_PRIME_NUM_PARTS)
+ return -EINVAL;
+
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux,
+ DP_AUX_HDCP_V_PRIME(i), part,
+ DRM_HDCP_V_PRIME_PART_LEN);
+ if (ret != DRM_HDCP_V_PRIME_PART_LEN) {
+ DRM_ERROR("Read v'[%d] from DP/AUX failed (%zd)\n", i, ret);
+ return ret >= 0 ? -EIO : ret;
+ }
+ return 0;
+ }
+
+ static
+ int intel_dp_hdcp_toggle_signalling(struct intel_digital_port *intel_dig_port,
+ bool enable)
+ {
+ /* Not used for single stream DisplayPort setups */
+ return 0;
+ }
+
+ static
+ bool intel_dp_hdcp_check_link(struct intel_digital_port *intel_dig_port)
+ {
+ ssize_t ret;
+ u8 bstatus;
+
+ ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BSTATUS,
+ &bstatus, 1);
+ if (ret != 1) {
+ DRM_ERROR("Read bstatus from DP/AUX failed (%zd)\n", ret);
+ return false;
+ }
+
+ return !(bstatus & (DP_BSTATUS_LINK_FAILURE | DP_BSTATUS_REAUTH_REQ));
+ }
+
+ static
+ int intel_dp_hdcp_capable(struct intel_digital_port *intel_dig_port,
+ bool *hdcp_capable)
+ {
+ ssize_t ret;
+ u8 bcaps;
+
+ ret = intel_dp_hdcp_read_bcaps(intel_dig_port, &bcaps);
+ if (ret)
+ return ret;
+
+ *hdcp_capable = bcaps & DP_BCAPS_HDCP_CAPABLE;
+ return 0;
+ }
+
+ static const struct intel_hdcp_shim intel_dp_hdcp_shim = {
+ .write_an_aksv = intel_dp_hdcp_write_an_aksv,
+ .read_bksv = intel_dp_hdcp_read_bksv,
+ .read_bstatus = intel_dp_hdcp_read_bstatus,
+ .repeater_present = intel_dp_hdcp_repeater_present,
+ .read_ri_prime = intel_dp_hdcp_read_ri_prime,
+ .read_ksv_ready = intel_dp_hdcp_read_ksv_ready,
+ .read_ksv_fifo = intel_dp_hdcp_read_ksv_fifo,
+ .read_v_prime_part = intel_dp_hdcp_read_v_prime_part,
+ .toggle_signalling = intel_dp_hdcp_toggle_signalling,
+ .check_link = intel_dp_hdcp_check_link,
+ .hdcp_capable = intel_dp_hdcp_capable,
+ };
+
static void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
drm_modeset_acquire_fini(&ctx);
WARN(iret, "Acquiring modeset locks failed with %i\n", iret);
+ /* Short pulse can signify loss of hdcp authentication */
+ intel_hdcp_check_link(intel_dp->attached_connector);
+
if (!handled) {
intel_dp->detect_done = false;
goto put_power;
return false;
}
-/* Set up the hotplug pin and aux power domain. */
-static void
-intel_dp_init_connector_port_info(struct intel_digital_port *intel_dig_port)
-{
- struct intel_encoder *encoder = &intel_dig_port->base;
- struct intel_dp *intel_dp = &intel_dig_port->dp;
- struct intel_encoder *intel_encoder = &intel_dig_port->base;
- struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
-
- encoder->hpd_pin = intel_hpd_pin_default(dev_priv, encoder->port);
-
- switch (encoder->port) {
- case PORT_A:
- intel_dp->aux_power_domain = POWER_DOMAIN_AUX_A;
- break;
- case PORT_B:
- intel_dp->aux_power_domain = POWER_DOMAIN_AUX_B;
- break;
- case PORT_C:
- intel_dp->aux_power_domain = POWER_DOMAIN_AUX_C;
- break;
- case PORT_D:
- intel_dp->aux_power_domain = POWER_DOMAIN_AUX_D;
- break;
- case PORT_E:
- /* FIXME: Check VBT for actual wiring of PORT E */
- intel_dp->aux_power_domain = POWER_DOMAIN_AUX_D;
- break;
- case PORT_F:
- intel_dp->aux_power_domain = POWER_DOMAIN_AUX_F;
- break;
- default:
- MISSING_CASE(encoder->port);
- }
-}
-
static void intel_dp_modeset_retry_work_fn(struct work_struct *work)
{
struct intel_connector *intel_connector;
intel_dp->active_pipe = INVALID_PIPE;
/* intel_dp vfuncs */
- if (INTEL_GEN(dev_priv) >= 9)
- intel_dp->get_aux_clock_divider = skl_get_aux_clock_divider;
- else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
- intel_dp->get_aux_clock_divider = hsw_get_aux_clock_divider;
- else if (HAS_PCH_SPLIT(dev_priv))
- intel_dp->get_aux_clock_divider = ilk_get_aux_clock_divider;
- else
- intel_dp->get_aux_clock_divider = g4x_get_aux_clock_divider;
-
- if (INTEL_GEN(dev_priv) >= 9)
- intel_dp->get_aux_send_ctl = skl_get_aux_send_ctl;
- else
- intel_dp->get_aux_send_ctl = g4x_get_aux_send_ctl;
-
if (HAS_DDI(dev_priv))
intel_dp->prepare_link_retrain = intel_ddi_prepare_link_retrain;
connector->interlace_allowed = true;
connector->doublescan_allowed = 0;
- intel_dp_init_connector_port_info(intel_dig_port);
+ intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
intel_dp_aux_init(intel_dp);
}
intel_dp_add_properties(intel_dp, connector);
+
+ if (is_hdcp_supported(dev_priv, port) && !intel_dp_is_edp(intel_dp)) {
+ int ret = intel_hdcp_init(intel_connector, &intel_dp_hdcp_shim);
+ if (ret)
+ DRM_DEBUG_KMS("HDCP init failed, skipping.\n");
+ }
/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
* 0xd. Failure to do so will result in spurious interrupts being
#include <drm/drm_atomic.h>
/**
- * _wait_for - magic (register) wait macro
+ * __wait_for - magic wait macro
*
- * Does the right thing for modeset paths when run under kdgb or similar atomic
- * contexts. Note that it's important that we check the condition again after
- * having timed out, since the timeout could be due to preemption or similar and
- * we've never had a chance to check the condition before the timeout.
+ * Macro to help avoid open coding check/wait/timeout patterns. Note that it's
+ * important that we check the condition again after having timed out, since the
+ * timeout could be due to preemption or similar and we've never had a chance to
+ * check the condition before the timeout.
*/
- #define _wait_for(COND, US, Wmin, Wmax) ({ \
+ #define __wait_for(OP, COND, US, Wmin, Wmax) ({ \
unsigned long timeout__ = jiffies + usecs_to_jiffies(US) + 1; \
long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \
int ret__; \
might_sleep(); \
for (;;) { \
bool expired__ = time_after(jiffies, timeout__); \
+ OP; \
if (COND) { \
ret__ = 0; \
break; \
ret__; \
})
- #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000)
+ #define _wait_for(COND, US, Wmin, Wmax) __wait_for(, (COND), (US), (Wmin), \
+ (Wmax))
+ #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000)
/* If CONFIG_PREEMPT_COUNT is disabled, in_atomic() always reports false. */
#if defined(CONFIG_DRM_I915_DEBUG) && defined(CONFIG_PREEMPT_COUNT)
} backlight;
};
+ /*
+ * This structure serves as a translation layer between the generic HDCP code
+ * and the bus-specific code. What that means is that HDCP over HDMI differs
+ * from HDCP over DP, so to account for these differences, we need to
+ * communicate with the receiver through this shim.
+ *
+ * For completeness, the 2 buses differ in the following ways:
+ * - DP AUX vs. DDC
+ * HDCP registers on the receiver are set via DP AUX for DP, and
+ * they are set via DDC for HDMI.
+ * - Receiver register offsets
+ * The offsets of the registers are different for DP vs. HDMI
+ * - Receiver register masks/offsets
+ * For instance, the ready bit for the KSV fifo is in a different
+ * place on DP vs HDMI
+ * - Receiver register names
+ * Seriously. In the DP spec, the 16-bit register containing
+ * downstream information is called BINFO, on HDMI it's called
+ * BSTATUS. To confuse matters further, DP has a BSTATUS register
+ * with a completely different definition.
+ * - KSV FIFO
+ * On HDMI, the ksv fifo is read all at once, whereas on DP it must
+ * be read 3 keys at a time
+ * - Aksv output
+ * Since Aksv is hidden in hardware, there's different procedures
+ * to send it over DP AUX vs DDC
+ */
+ struct intel_hdcp_shim {
+ /* Outputs the transmitter's An and Aksv values to the receiver. */
+ int (*write_an_aksv)(struct intel_digital_port *intel_dig_port, u8 *an);
+
+ /* Reads the receiver's key selection vector */
+ int (*read_bksv)(struct intel_digital_port *intel_dig_port, u8 *bksv);
+
+ /*
+ * Reads BINFO from DP receivers and BSTATUS from HDMI receivers. The
+ * definitions are the same in the respective specs, but the names are
+ * different. Call it BSTATUS since that's the name the HDMI spec
+ * uses and it was there first.
+ */
+ int (*read_bstatus)(struct intel_digital_port *intel_dig_port,
+ u8 *bstatus);
+
+ /* Determines whether a repeater is present downstream */
+ int (*repeater_present)(struct intel_digital_port *intel_dig_port,
+ bool *repeater_present);
+
+ /* Reads the receiver's Ri' value */
+ int (*read_ri_prime)(struct intel_digital_port *intel_dig_port, u8 *ri);
+
+ /* Determines if the receiver's KSV FIFO is ready for consumption */
+ int (*read_ksv_ready)(struct intel_digital_port *intel_dig_port,
+ bool *ksv_ready);
+
+ /* Reads the ksv fifo for num_downstream devices */
+ int (*read_ksv_fifo)(struct intel_digital_port *intel_dig_port,
+ int num_downstream, u8 *ksv_fifo);
+
+ /* Reads a 32-bit part of V' from the receiver */
+ int (*read_v_prime_part)(struct intel_digital_port *intel_dig_port,
+ int i, u32 *part);
+
+ /* Enables HDCP signalling on the port */
+ int (*toggle_signalling)(struct intel_digital_port *intel_dig_port,
+ bool enable);
+
+ /* Ensures the link is still protected */
+ bool (*check_link)(struct intel_digital_port *intel_dig_port);
+
+ /* Detects panel's hdcp capability. This is optional for HDMI. */
+ int (*hdcp_capable)(struct intel_digital_port *intel_dig_port,
+ bool *hdcp_capable);
+ };
+
struct intel_connector {
struct drm_connector base;
/*
/* Work struct to schedule a uevent on link train failure */
struct work_struct modeset_retry_work;
+
+ const struct intel_hdcp_shim *hdcp_shim;
+ struct mutex hdcp_mutex;
+ uint64_t hdcp_value; /* protected by hdcp_mutex */
+ struct delayed_work hdcp_check_work;
+ struct work_struct hdcp_prop_work;
};
struct intel_digital_connector_state {
struct intel_plane_state {
struct drm_plane_state base;
- struct drm_rect clip;
struct i915_vma *vma;
unsigned long flags;
#define PLANE_HAS_FENCE BIT(0)
enum plane_id id;
enum pipe pipe;
bool can_scale;
+ bool has_fbc;
int max_downscale;
uint32_t frontbuffer_bit;
struct intel_dp {
i915_reg_t output_reg;
- i915_reg_t aux_ch_ctl_reg;
- i915_reg_t aux_ch_data_reg[5];
uint32_t DP;
int link_rate;
uint8_t lane_count;
bool detect_done;
bool channel_eq_status;
bool reset_link_params;
+ enum aux_ch aux_ch;
uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE];
uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
int send_bytes,
uint32_t aux_clock_divider);
+ i915_reg_t (*aux_ch_ctl_reg)(struct intel_dp *dp);
+ i915_reg_t (*aux_ch_data_reg)(struct intel_dp *dp, int index);
+
/* This is called before a link training is starterd */
void (*prepare_link_retrain)(struct intel_dp *intel_dp);
u32 bxt_signal_levels(struct intel_dp *intel_dp);
uint32_t ddi_signal_levels(struct intel_dp *intel_dp);
u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder);
+ int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder,
+ bool enable);
unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
int plane, unsigned int height);
struct i915_vma *
intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
unsigned int rotation,
+ bool uses_fence,
unsigned long *out_flags);
void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags);
struct drm_framebuffer *
}
#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
+ /* intel_hdcp.c */
+ void intel_hdcp_atomic_check(struct drm_connector *connector,
+ struct drm_connector_state *old_state,
+ struct drm_connector_state *new_state);
+ int intel_hdcp_init(struct intel_connector *connector,
+ const struct intel_hdcp_shim *hdcp_shim);
+ int intel_hdcp_enable(struct intel_connector *connector);
+ int intel_hdcp_disable(struct intel_connector *connector);
+ int intel_hdcp_check_link(struct intel_connector *connector);
+ bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port);
/* intel_psr.c */
#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
+void intel_psr_init_dpcd(struct intel_dp *intel_dp);
void intel_psr_enable(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
void intel_psr_disable(struct intel_dp *intel_dp,
void gen6_rps_busy(struct drm_i915_private *dev_priv);
void gen6_rps_reset_ei(struct drm_i915_private *dev_priv);
void gen6_rps_idle(struct drm_i915_private *dev_priv);
-void gen6_rps_boost(struct drm_i915_gem_request *rq,
- struct intel_rps_client *rps);
+void gen6_rps_boost(struct i915_request *rq, struct intel_rps_client *rps);
void g4x_wm_get_hw_state(struct drm_device *dev);
void vlv_wm_get_hw_state(struct drm_device *dev);
void ilk_wm_get_hw_state(struct drm_device *dev);
return HAS_FBC(dev_priv);
}
-static inline bool fbc_on_pipe_a_only(struct drm_i915_private *dev_priv)
-{
- return IS_HASWELL(dev_priv) || INTEL_GEN(dev_priv) >= 8;
-}
-
-static inline bool fbc_on_plane_a_only(struct drm_i915_private *dev_priv)
-{
- return INTEL_GEN(dev_priv) < 4;
-}
-
static inline bool no_fbc_on_multiple_pipes(struct drm_i915_private *dev_priv)
{
return INTEL_GEN(dev_priv) <= 3;
return false;
}
- if ((cache->crtc.mode_flags & DRM_MODE_FLAG_INTERLACE) ||
- (cache->crtc.mode_flags & DRM_MODE_FLAG_DBLSCAN)) {
+ if (cache->crtc.mode_flags & DRM_MODE_FLAG_INTERLACE) {
fbc->no_fbc_reason = "incompatible mode";
return false;
}
* Note that is possible for a tiled surface to be unmappable (and
* so have no fence associated with it) due to aperture constaints
* at the time of pinning.
+ *
+ * FIXME with 90/270 degree rotation we should use the fence on
+ * the normal GTT view (the rotated view doesn't even have a
+ * fence). Would need changes to the FBC fence Y offset as well.
+ * For now this will effecively disable FBC with 90/270 degree
+ * rotation.
*/
if (!(cache->flags & PLANE_HAS_FENCE)) {
fbc->no_fbc_reason = "framebuffer not tiled or fenced";
struct intel_crtc_state *crtc_state;
struct intel_crtc *crtc = to_intel_crtc(plane_state->base.crtc);
- if (!plane_state->base.visible)
- continue;
-
- if (fbc_on_pipe_a_only(dev_priv) && crtc->pipe != PIPE_A)
+ if (!plane->has_fbc)
continue;
- if (fbc_on_plane_a_only(dev_priv) && plane->i9xx_plane != PLANE_A)
+ if (!plane_state->base.visible)
continue;
crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
void intel_fbc_init(struct drm_i915_private *dev_priv)
{
struct intel_fbc *fbc = &dev_priv->fbc;
- enum pipe pipe;
INIT_WORK(&fbc->work.work, intel_fbc_work_fn);
INIT_WORK(&fbc->underrun_work, intel_fbc_underrun_work_fn);
return;
}
- for_each_pipe(dev_priv, pipe) {
- fbc->possible_framebuffer_bits |=
- INTEL_FRONTBUFFER(pipe, PLANE_PRIMARY);
-
- if (fbc_on_pipe_a_only(dev_priv))
- break;
- }
-
/* This value was pulled out of someone's hat */
if (INTEL_GEN(dev_priv) <= 4 && !IS_GM45(dev_priv))
I915_WRITE(FBC_CONTROL, 500 << FBC_CTL_INTERVAL_SHIFT);
projects / linux-2.6-microblaze.git / commitdiff