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path: root/drivers/gpu/drm/i915/intel_ringbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c96
1 files changed, 20 insertions, 76 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ed9955dce156..32786ba199b9 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -405,22 +405,6 @@ gen8_render_ring_flush(struct drm_i915_gem_request *req, u32 mode)
return gen8_emit_pipe_control(req, flags, scratch_addr);
}
-u64 intel_engine_get_active_head(struct intel_engine_cs *engine)
-{
- struct drm_i915_private *dev_priv = engine->i915;
- u64 acthd;
-
- if (INTEL_GEN(dev_priv) >= 8)
- acthd = I915_READ64_2x32(RING_ACTHD(engine->mmio_base),
- RING_ACTHD_UDW(engine->mmio_base));
- else if (INTEL_GEN(dev_priv) >= 4)
- acthd = I915_READ(RING_ACTHD(engine->mmio_base));
- else
- acthd = I915_READ(ACTHD);
-
- return acthd;
-}
-
static void ring_setup_phys_status_page(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
@@ -585,9 +569,7 @@ static int init_ring_common(struct intel_engine_cs *engine)
I915_WRITE_TAIL(engine, ring->tail);
(void)I915_READ_TAIL(engine);
- I915_WRITE_CTL(engine,
- ((ring->size - PAGE_SIZE) & RING_NR_PAGES)
- | RING_VALID);
+ I915_WRITE_CTL(engine, RING_CTL_SIZE(ring->size) | RING_VALID);
/* If the head is still not zero, the ring is dead */
if (intel_wait_for_register_fw(dev_priv, RING_CTL(engine->mmio_base),
@@ -851,15 +833,13 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
- /* WaDisableDgMirrorFixInHalfSliceChicken5:skl,bxt */
- if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
+ /* WaDisableDgMirrorFixInHalfSliceChicken5:bxt */
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5,
GEN9_DG_MIRROR_FIX_ENABLE);
- /* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */
- if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
+ /* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:bxt */
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
WA_SET_BIT_MASKED(GEN7_COMMON_SLICE_CHICKEN1,
GEN9_RHWO_OPTIMIZATION_DISABLE);
/*
@@ -869,10 +849,8 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
*/
}
- /* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl */
/* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl */
WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
- GEN9_ENABLE_YV12_BUGFIX |
GEN9_ENABLE_GPGPU_PREEMPTION);
/* Wa4x4STCOptimizationDisable:skl,bxt,kbl */
@@ -884,9 +862,8 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5,
GEN9_CCS_TLB_PREFETCH_ENABLE);
- /* WaDisableMaskBasedCammingInRCC:skl,bxt */
- if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, SKL_REVID_C0) ||
- IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
+ /* WaDisableMaskBasedCammingInRCC:bxt */
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
WA_SET_BIT_MASKED(SLICE_ECO_CHICKEN0,
PIXEL_MASK_CAMMING_DISABLE);
@@ -1003,47 +980,12 @@ static int skl_init_workarounds(struct intel_engine_cs *engine)
* until D0 which is the default case so this is equivalent to
* !WaDisablePerCtxtPreemptionGranularityControl:skl
*/
- if (IS_SKL_REVID(dev_priv, SKL_REVID_E0, REVID_FOREVER)) {
- I915_WRITE(GEN7_FF_SLICE_CS_CHICKEN1,
- _MASKED_BIT_ENABLE(GEN9_FFSC_PERCTX_PREEMPT_CTRL));
- }
-
- if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0)) {
- /* WaDisableChickenBitTSGBarrierAckForFFSliceCS:skl */
- I915_WRITE(FF_SLICE_CS_CHICKEN2,
- _MASKED_BIT_ENABLE(GEN9_TSG_BARRIER_ACK_DISABLE));
- }
-
- /* GEN8_L3SQCREG4 has a dependency with WA batch so any new changes
- * involving this register should also be added to WA batch as required.
- */
- if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0))
- /* WaDisableLSQCROPERFforOCL:skl */
- I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) |
- GEN8_LQSC_RO_PERF_DIS);
+ I915_WRITE(GEN7_FF_SLICE_CS_CHICKEN1,
+ _MASKED_BIT_ENABLE(GEN9_FFSC_PERCTX_PREEMPT_CTRL));
/* WaEnableGapsTsvCreditFix:skl */
- if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, REVID_FOREVER)) {
- I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) |
- GEN9_GAPS_TSV_CREDIT_DISABLE));
- }
-
- /* WaDisablePowerCompilerClockGating:skl */
- if (IS_SKL_REVID(dev_priv, SKL_REVID_B0, SKL_REVID_B0))
- WA_SET_BIT_MASKED(HIZ_CHICKEN,
- BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE);
-
- /* WaBarrierPerformanceFixDisable:skl */
- if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, SKL_REVID_D0))
- WA_SET_BIT_MASKED(HDC_CHICKEN0,
- HDC_FENCE_DEST_SLM_DISABLE |
- HDC_BARRIER_PERFORMANCE_DISABLE);
-
- /* WaDisableSbeCacheDispatchPortSharing:skl */
- if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0))
- WA_SET_BIT_MASKED(
- GEN7_HALF_SLICE_CHICKEN1,
- GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
+ I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) |
+ GEN9_GAPS_TSV_CREDIT_DISABLE));
/* WaDisableGafsUnitClkGating:skl */
WA_SET_BIT(GEN7_UCGCTL4, GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE);
@@ -1284,7 +1226,7 @@ static int gen8_rcs_signal(struct drm_i915_gem_request *req)
if (ret)
return ret;
- for_each_engine_id(waiter, dev_priv, id) {
+ for_each_engine(waiter, dev_priv, id) {
u64 gtt_offset = req->engine->semaphore.signal_ggtt[id];
if (gtt_offset == MI_SEMAPHORE_SYNC_INVALID)
continue;
@@ -1321,7 +1263,7 @@ static int gen8_xcs_signal(struct drm_i915_gem_request *req)
if (ret)
return ret;
- for_each_engine_id(waiter, dev_priv, id) {
+ for_each_engine(waiter, dev_priv, id) {
u64 gtt_offset = req->engine->semaphore.signal_ggtt[id];
if (gtt_offset == MI_SEMAPHORE_SYNC_INVALID)
continue;
@@ -1348,6 +1290,7 @@ static int gen6_signal(struct drm_i915_gem_request *req)
struct intel_ring *ring = req->ring;
struct drm_i915_private *dev_priv = req->i915;
struct intel_engine_cs *engine;
+ enum intel_engine_id id;
int ret, num_rings;
num_rings = INTEL_INFO(dev_priv)->num_rings;
@@ -1355,7 +1298,7 @@ static int gen6_signal(struct drm_i915_gem_request *req)
if (ret)
return ret;
- for_each_engine(engine, dev_priv) {
+ for_each_engine(engine, dev_priv, id) {
i915_reg_t mbox_reg;
if (!(BIT(engine->hw_id) & GEN6_SEMAPHORES_MASK))
@@ -1989,6 +1932,7 @@ intel_engine_create_ring(struct intel_engine_cs *engine, int size)
struct i915_vma *vma;
GEM_BUG_ON(!is_power_of_2(size));
+ GEM_BUG_ON(RING_CTL_SIZE(size) & ~RING_NR_PAGES);
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
@@ -2146,9 +2090,6 @@ void intel_engine_cleanup(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv;
- if (!intel_engine_initialized(engine))
- return;
-
dev_priv = engine->i915;
if (engine->buffer) {
@@ -2175,13 +2116,16 @@ void intel_engine_cleanup(struct intel_engine_cs *engine)
intel_ring_context_unpin(dev_priv->kernel_context, engine);
engine->i915 = NULL;
+ dev_priv->engine[engine->id] = NULL;
+ kfree(engine);
}
void intel_legacy_submission_resume(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *engine;
+ enum intel_engine_id id;
- for_each_engine(engine, dev_priv) {
+ for_each_engine(engine, dev_priv, id) {
engine->buffer->head = engine->buffer->tail;
engine->buffer->last_retired_head = -1;
}
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-04-07 13:48:41 +0000