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Diffstat (limited to 'drivers/gpu/drm/i915/gt')
-rw-r--r--drivers/gpu/drm/i915/gt/gen7_renderclear.c157
-rw-r--r--drivers/gpu/drm/i915/gt/intel_breadcrumbs.c9
-rw-r--r--drivers/gpu/drm/i915/gt/intel_lrc.c3
-rw-r--r--drivers/gpu/drm/i915/gt/intel_ring_submission.c6
-rw-r--r--drivers/gpu/drm/i915/gt/intel_timeline.c10
5 files changed, 107 insertions, 78 deletions
diff --git a/drivers/gpu/drm/i915/gt/gen7_renderclear.c b/drivers/gpu/drm/i915/gt/gen7_renderclear.c
index d93d85cd3027..94465374ca2f 100644
--- a/drivers/gpu/drm/i915/gt/gen7_renderclear.c
+++ b/drivers/gpu/drm/i915/gt/gen7_renderclear.c
@@ -7,8 +7,6 @@
#include "i915_drv.h"
#include "intel_gpu_commands.h"
-#define MAX_URB_ENTRIES 64
-#define STATE_SIZE (4 * 1024)
#define GT3_INLINE_DATA_DELAYS 0x1E00
#define batch_advance(Y, CS) GEM_BUG_ON((Y)->end != (CS))
@@ -34,38 +32,59 @@ struct batch_chunk {
};
struct batch_vals {
- u32 max_primitives;
- u32 max_urb_entries;
- u32 cmd_size;
- u32 state_size;
+ u32 max_threads;
u32 state_start;
- u32 batch_size;
+ u32 surface_start;
u32 surface_height;
u32 surface_width;
- u32 scratch_size;
- u32 max_size;
+ u32 size;
};
+static inline int num_primitives(const struct batch_vals *bv)
+{
+ /*
+ * We need to saturate the GPU with work in order to dispatch
+ * a shader on every HW thread, and clear the thread-local registers.
+ * In short, we have to dispatch work faster than the shaders can
+ * run in order to fill the EU and occupy each HW thread.
+ */
+ return bv->max_threads;
+}
+
static void
batch_get_defaults(struct drm_i915_private *i915, struct batch_vals *bv)
{
if (IS_HASWELL(i915)) {
- bv->max_primitives = 280;
- bv->max_urb_entries = MAX_URB_ENTRIES;
+ switch (INTEL_INFO(i915)->gt) {
+ default:
+ case 1:
+ bv->max_threads = 70;
+ break;
+ case 2:
+ bv->max_threads = 140;
+ break;
+ case 3:
+ bv->max_threads = 280;
+ break;
+ }
bv->surface_height = 16 * 16;
bv->surface_width = 32 * 2 * 16;
} else {
- bv->max_primitives = 128;
- bv->max_urb_entries = MAX_URB_ENTRIES / 2;
+ switch (INTEL_INFO(i915)->gt) {
+ default:
+ case 1: /* including vlv */
+ bv->max_threads = 36;
+ break;
+ case 2:
+ bv->max_threads = 128;
+ break;
+ }
bv->surface_height = 16 * 8;
bv->surface_width = 32 * 16;
}
- bv->cmd_size = bv->max_primitives * 4096;
- bv->state_size = STATE_SIZE;
- bv->state_start = bv->cmd_size;
- bv->batch_size = bv->cmd_size + bv->state_size;
- bv->scratch_size = bv->surface_height * bv->surface_width;
- bv->max_size = bv->batch_size + bv->scratch_size;
+ bv->state_start = round_up(SZ_1K + num_primitives(bv) * 64, SZ_4K);
+ bv->surface_start = bv->state_start + SZ_4K;
+ bv->size = bv->surface_start + bv->surface_height * bv->surface_width;
}
static void batch_init(struct batch_chunk *bc,
@@ -155,7 +174,8 @@ static u32
gen7_fill_binding_table(struct batch_chunk *state,
const struct batch_vals *bv)
{
- u32 surface_start = gen7_fill_surface_state(state, bv->batch_size, bv);
+ u32 surface_start =
+ gen7_fill_surface_state(state, bv->surface_start, bv);
u32 *cs = batch_alloc_items(state, 32, 8);
u32 offset = batch_offset(state, cs);
@@ -214,9 +234,9 @@ static void
gen7_emit_state_base_address(struct batch_chunk *batch,
u32 surface_state_base)
{
- u32 *cs = batch_alloc_items(batch, 0, 12);
+ u32 *cs = batch_alloc_items(batch, 0, 10);
- *cs++ = STATE_BASE_ADDRESS | (12 - 2);
+ *cs++ = STATE_BASE_ADDRESS | (10 - 2);
/* general */
*cs++ = batch_addr(batch) | BASE_ADDRESS_MODIFY;
/* surface */
@@ -233,8 +253,6 @@ gen7_emit_state_base_address(struct batch_chunk *batch,
*cs++ = BASE_ADDRESS_MODIFY;
*cs++ = 0;
*cs++ = BASE_ADDRESS_MODIFY;
- *cs++ = 0;
- *cs++ = 0;
batch_advance(batch, cs);
}
@@ -244,8 +262,7 @@ gen7_emit_vfe_state(struct batch_chunk *batch,
u32 urb_size, u32 curbe_size,
u32 mode)
{
- u32 urb_entries = bv->max_urb_entries;
- u32 threads = bv->max_primitives - 1;
+ u32 threads = bv->max_threads - 1;
u32 *cs = batch_alloc_items(batch, 32, 8);
*cs++ = MEDIA_VFE_STATE | (8 - 2);
@@ -254,7 +271,7 @@ gen7_emit_vfe_state(struct batch_chunk *batch,
*cs++ = 0;
/* number of threads & urb entries for GPGPU vs Media Mode */
- *cs++ = threads << 16 | urb_entries << 8 | mode << 2;
+ *cs++ = threads << 16 | 1 << 8 | mode << 2;
*cs++ = 0;
@@ -293,17 +310,12 @@ gen7_emit_media_object(struct batch_chunk *batch,
{
unsigned int x_offset = (media_object_index % 16) * 64;
unsigned int y_offset = (media_object_index / 16) * 16;
- unsigned int inline_data_size;
- unsigned int media_batch_size;
- unsigned int i;
+ unsigned int pkt = 6 + 3;
u32 *cs;
- inline_data_size = 112 * 8;
- media_batch_size = inline_data_size + 6;
-
- cs = batch_alloc_items(batch, 8, media_batch_size);
+ cs = batch_alloc_items(batch, 8, pkt);
- *cs++ = MEDIA_OBJECT | (media_batch_size - 2);
+ *cs++ = MEDIA_OBJECT | (pkt - 2);
/* interface descriptor offset */
*cs++ = 0;
@@ -317,25 +329,44 @@ gen7_emit_media_object(struct batch_chunk *batch,
*cs++ = 0;
/* inline */
- *cs++ = (y_offset << 16) | (x_offset);
+ *cs++ = y_offset << 16 | x_offset;
*cs++ = 0;
*cs++ = GT3_INLINE_DATA_DELAYS;
- for (i = 3; i < inline_data_size; i++)
- *cs++ = 0;
batch_advance(batch, cs);
}
static void gen7_emit_pipeline_flush(struct batch_chunk *batch)
{
- u32 *cs = batch_alloc_items(batch, 0, 5);
+ u32 *cs = batch_alloc_items(batch, 0, 4);
- *cs++ = GFX_OP_PIPE_CONTROL(5);
- *cs++ = PIPE_CONTROL_STATE_CACHE_INVALIDATE |
- PIPE_CONTROL_GLOBAL_GTT_IVB;
+ *cs++ = GFX_OP_PIPE_CONTROL(4);
+ *cs++ = PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
+ PIPE_CONTROL_DEPTH_CACHE_FLUSH |
+ PIPE_CONTROL_DC_FLUSH_ENABLE |
+ PIPE_CONTROL_CS_STALL;
*cs++ = 0;
*cs++ = 0;
+
+ batch_advance(batch, cs);
+}
+
+static void gen7_emit_pipeline_invalidate(struct batch_chunk *batch)
+{
+ u32 *cs = batch_alloc_items(batch, 0, 8);
+
+ /* ivb: Stall before STATE_CACHE_INVALIDATE */
+ *cs++ = GFX_OP_PIPE_CONTROL(4);
+ *cs++ = PIPE_CONTROL_STALL_AT_SCOREBOARD |
+ PIPE_CONTROL_CS_STALL;
+ *cs++ = 0;
+ *cs++ = 0;
+
+ *cs++ = GFX_OP_PIPE_CONTROL(4);
+ *cs++ = PIPE_CONTROL_STATE_CACHE_INVALIDATE;
*cs++ = 0;
+ *cs++ = 0;
+
batch_advance(batch, cs);
}
@@ -344,34 +375,34 @@ static void emit_batch(struct i915_vma * const vma,
const struct batch_vals *bv)
{
struct drm_i915_private *i915 = vma->vm->i915;
- unsigned int desc_count = 64;
- const u32 urb_size = 112;
+ const unsigned int desc_count = 1;
+ const unsigned int urb_size = 1;
struct batch_chunk cmds, state;
- u32 interface_descriptor;
+ u32 descriptors;
unsigned int i;
- batch_init(&cmds, vma, start, 0, bv->cmd_size);
- batch_init(&state, vma, start, bv->state_start, bv->state_size);
+ batch_init(&cmds, vma, start, 0, bv->state_start);
+ batch_init(&state, vma, start, bv->state_start, SZ_4K);
- interface_descriptor =
- gen7_fill_interface_descriptor(&state, bv,
- IS_HASWELL(i915) ?
- &cb_kernel_hsw :
- &cb_kernel_ivb,
- desc_count);
- gen7_emit_pipeline_flush(&cmds);
+ descriptors = gen7_fill_interface_descriptor(&state, bv,
+ IS_HASWELL(i915) ?
+ &cb_kernel_hsw :
+ &cb_kernel_ivb,
+ desc_count);
+
+ gen7_emit_pipeline_invalidate(&cmds);
batch_add(&cmds, PIPELINE_SELECT | PIPELINE_SELECT_MEDIA);
batch_add(&cmds, MI_NOOP);
- gen7_emit_state_base_address(&cmds, interface_descriptor);
+ gen7_emit_pipeline_invalidate(&cmds);
+
gen7_emit_pipeline_flush(&cmds);
+ gen7_emit_state_base_address(&cmds, descriptors);
+ gen7_emit_pipeline_invalidate(&cmds);
gen7_emit_vfe_state(&cmds, bv, urb_size - 1, 0, 0);
+ gen7_emit_interface_descriptor_load(&cmds, descriptors, desc_count);
- gen7_emit_interface_descriptor_load(&cmds,
- interface_descriptor,
- desc_count);
-
- for (i = 0; i < bv->max_primitives; i++)
+ for (i = 0; i < num_primitives(bv); i++)
gen7_emit_media_object(&cmds, i);
batch_add(&cmds, MI_BATCH_BUFFER_END);
@@ -385,15 +416,15 @@ int gen7_setup_clear_gpr_bb(struct intel_engine_cs * const engine,
batch_get_defaults(engine->i915, &bv);
if (!vma)
- return bv.max_size;
+ return bv.size;
- GEM_BUG_ON(vma->obj->base.size < bv.max_size);
+ GEM_BUG_ON(vma->obj->base.size < bv.size);
batch = i915_gem_object_pin_map(vma->obj, I915_MAP_WC);
if (IS_ERR(batch))
return PTR_ERR(batch);
- emit_batch(vma, memset(batch, 0, bv.max_size), &bv);
+ emit_batch(vma, memset(batch, 0, bv.size), &bv);
i915_gem_object_flush_map(vma->obj);
__i915_gem_object_release_map(vma->obj);
diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
index a24cc1ff08a0..0625cbb3b431 100644
--- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
@@ -134,11 +134,6 @@ static bool remove_signaling_context(struct intel_breadcrumbs *b,
return true;
}
-static inline bool __request_completed(const struct i915_request *rq)
-{
- return i915_seqno_passed(__hwsp_seqno(rq), rq->fence.seqno);
-}
-
__maybe_unused static bool
check_signal_order(struct intel_context *ce, struct i915_request *rq)
{
@@ -257,7 +252,7 @@ static void signal_irq_work(struct irq_work *work)
list_for_each_entry_rcu(rq, &ce->signals, signal_link) {
bool release;
- if (!__request_completed(rq))
+ if (!__i915_request_is_complete(rq))
break;
if (!test_and_clear_bit(I915_FENCE_FLAG_SIGNAL,
@@ -379,7 +374,7 @@ static void insert_breadcrumb(struct i915_request *rq)
* straight onto a signaled list, and queue the irq worker for
* its signal completion.
*/
- if (__request_completed(rq)) {
+ if (__i915_request_is_complete(rq)) {
if (__signal_request(rq) &&
llist_add(&rq->signal_node, &b->signaled_requests))
irq_work_queue(&b->irq_work);
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 7614a3d24fca..26c7d0a50585 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -3988,6 +3988,9 @@ err:
static void lrc_destroy_wa_ctx(struct intel_engine_cs *engine)
{
i915_vma_unpin_and_release(&engine->wa_ctx.vma, 0);
+
+ /* Called on error unwind, clear all flags to prevent further use */
+ memset(&engine->wa_ctx, 0, sizeof(engine->wa_ctx));
}
typedef u32 *(*wa_bb_func_t)(struct intel_engine_cs *engine, u32 *batch);
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index a41b43f445b8..ecf3a6118a6d 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -32,6 +32,7 @@
#include "gen6_ppgtt.h"
#include "gen7_renderclear.h"
#include "i915_drv.h"
+#include "i915_mitigations.h"
#include "intel_breadcrumbs.h"
#include "intel_context.h"
#include "intel_gt.h"
@@ -886,7 +887,8 @@ static int switch_context(struct i915_request *rq)
GEM_BUG_ON(HAS_EXECLISTS(engine->i915));
if (engine->wa_ctx.vma && ce != engine->kernel_context) {
- if (engine->wa_ctx.vma->private != ce) {
+ if (engine->wa_ctx.vma->private != ce &&
+ i915_mitigate_clear_residuals()) {
ret = clear_residuals(rq);
if (ret)
return ret;
@@ -1290,7 +1292,7 @@ int intel_ring_submission_setup(struct intel_engine_cs *engine)
GEM_BUG_ON(timeline->hwsp_ggtt != engine->status_page.vma);
- if (IS_HASWELL(engine->i915) && engine->class == RENDER_CLASS) {
+ if (IS_GEN(engine->i915, 7) && engine->class == RENDER_CLASS) {
err = gen7_ctx_switch_bb_init(engine);
if (err)
goto err_ring_unpin;
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c
index 7ea94d201fe6..8015964043eb 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.c
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.c
@@ -126,6 +126,10 @@ static void __rcu_cacheline_free(struct rcu_head *rcu)
struct intel_timeline_cacheline *cl =
container_of(rcu, typeof(*cl), rcu);
+ /* Must wait until after all *rq->hwsp are complete before removing */
+ i915_gem_object_unpin_map(cl->hwsp->vma->obj);
+ __idle_hwsp_free(cl->hwsp, ptr_unmask_bits(cl->vaddr, CACHELINE_BITS));
+
i915_active_fini(&cl->active);
kfree(cl);
}
@@ -133,11 +137,6 @@ static void __rcu_cacheline_free(struct rcu_head *rcu)
static void __idle_cacheline_free(struct intel_timeline_cacheline *cl)
{
GEM_BUG_ON(!i915_active_is_idle(&cl->active));
-
- i915_gem_object_unpin_map(cl->hwsp->vma->obj);
- i915_vma_put(cl->hwsp->vma);
- __idle_hwsp_free(cl->hwsp, ptr_unmask_bits(cl->vaddr, CACHELINE_BITS));
-
call_rcu(&cl->rcu, __rcu_cacheline_free);
}
@@ -179,7 +178,6 @@ cacheline_alloc(struct intel_timeline_hwsp *hwsp, unsigned int cacheline)
return ERR_CAST(vaddr);
}
- i915_vma_get(hwsp->vma);
cl->hwsp = hwsp;
cl->vaddr = page_pack_bits(vaddr, cacheline);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 17:26:27 +0000