diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.c | 50 |
1 files changed, 47 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index eec73c66406c..3955292483a6 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -662,6 +662,21 @@ static int lrc_ring_mi_mode(const struct intel_engine_cs *engine) return -1; } +static int lrc_ring_bb_offset(const struct intel_engine_cs *engine) +{ + if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50)) + return 0x80; + else if (GRAPHICS_VER(engine->i915) >= 12) + return 0x70; + else if (GRAPHICS_VER(engine->i915) >= 9) + return 0x64; + else if (GRAPHICS_VER(engine->i915) >= 8 && + engine->class == RENDER_CLASS) + return 0xc4; + else + return -1; +} + static int lrc_ring_gpr0(const struct intel_engine_cs *engine) { if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50)) @@ -768,6 +783,7 @@ static void init_common_regs(u32 * const regs, bool inhibit) { u32 ctl; + int loc; ctl = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH); ctl |= _MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT); @@ -779,6 +795,10 @@ static void init_common_regs(u32 * const regs, regs[CTX_CONTEXT_CONTROL] = ctl; regs[CTX_TIMESTAMP] = ce->stats.runtime.last; + + loc = lrc_ring_bb_offset(engine); + if (loc != -1) + regs[loc + 1] = 0; } static void init_wa_bb_regs(u32 * const regs, @@ -1242,6 +1262,23 @@ dg2_emit_rcs_hang_wabb(const struct intel_context *ce, u32 *cs) return cs; } +/* + * The bspec's tuning guide asks us to program a vertical watermark value of + * 0x3FF. However this register is not saved/restored properly by the + * hardware, so we're required to apply the desired value via INDIRECT_CTX + * batch buffer to ensure the value takes effect properly. All other bits + * in this register should remain at 0 (the hardware default). + */ +static u32 * +dg2_emit_draw_watermark_setting(u32 *cs) +{ + *cs++ = MI_LOAD_REGISTER_IMM(1); + *cs++ = i915_mmio_reg_offset(DRAW_WATERMARK); + *cs++ = REG_FIELD_PREP(VERT_WM_VAL, 0x3FF); + + return cs; +} + static u32 * gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs) { @@ -1261,7 +1298,12 @@ gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs) /* hsdes: 1809175790 */ if (!HAS_FLAT_CCS(ce->engine->i915)) - cs = gen12_emit_aux_table_inv(cs, GEN12_GFX_CCS_AUX_NV); + cs = gen12_emit_aux_table_inv(ce->engine->gt, + cs, GEN12_GFX_CCS_AUX_NV); + + /* Wa_16014892111 */ + if (IS_DG2(ce->engine->i915)) + cs = dg2_emit_draw_watermark_setting(cs); return cs; } @@ -1283,9 +1325,11 @@ gen12_emit_indirect_ctx_xcs(const struct intel_context *ce, u32 *cs) /* hsdes: 1809175790 */ if (!HAS_FLAT_CCS(ce->engine->i915)) { if (ce->engine->class == VIDEO_DECODE_CLASS) - cs = gen12_emit_aux_table_inv(cs, GEN12_VD0_AUX_NV); + cs = gen12_emit_aux_table_inv(ce->engine->gt, + cs, GEN12_VD0_AUX_NV); else if (ce->engine->class == VIDEO_ENHANCEMENT_CLASS) - cs = gen12_emit_aux_table_inv(cs, GEN12_VE0_AUX_NV); + cs = gen12_emit_aux_table_inv(ce->engine->gt, + cs, GEN12_VE0_AUX_NV); } return cs; |