static void
brw_upload_initial_gpu_state(struct brw_context *brw)
{
/* On platforms with hardware contexts, we can set our initial GPU state
* right away rather than doing it via state atoms. This saves a small
* amount of overhead on every draw call.
*/
if (!brw->hw_ctx)
return;
if (brw->gen == 6)
brw_emit_post_sync_nonzero_flush(brw);
brw_upload_invariant_state(brw);
/* Recommended optimization for Victim Cache eviction in pixel backend. */
if (brw->gen >= 9) {
BEGIN_BATCH(3);
OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
OUT_BATCH(GEN7_CACHE_MODE_1);
OUT_BATCH(REG_MASK(GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC) |
GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC);
ADVANCE_BATCH();
}
if (brw->gen >= 8) {
gen8_emit_3dstate_sample_pattern(brw);
}
}
static void
brw_upload_initial_gpu_state(struct brw_context *brw)
{
/* On platforms with hardware contexts, we can set our initial GPU state
* right away rather than doing it via state atoms. This saves a small
* amount of overhead on every draw call.
*/
if (!brw->hw_ctx)
return;
brw_upload_invariant_state(brw);
}
static void
brw_upload_initial_gpu_state(struct brw_context *brw)
{
const struct gen_device_info *devinfo = &brw->screen->devinfo;
const struct brw_compiler *compiler = brw->screen->compiler;
/* On platforms with hardware contexts, we can set our initial GPU state
* right away rather than doing it via state atoms. This saves a small
* amount of overhead on every draw call.
*/
if (!brw->hw_ctx)
return;
if (devinfo->gen == 6)
brw_emit_post_sync_nonzero_flush(brw);
brw_upload_invariant_state(brw);
if (devinfo->gen == 11) {
/* The default behavior of bit 5 "Headerless Message for Pre-emptable
* Contexts" in SAMPLER MODE register is set to 0, which means
* headerless sampler messages are not allowed for pre-emptable
* contexts. Set the bit 5 to 1 to allow them.
*/
brw_load_register_imm32(brw, GEN11_SAMPLER_MODE,
HEADERLESS_MESSAGE_FOR_PREEMPTABLE_CONTEXTS_MASK |
HEADERLESS_MESSAGE_FOR_PREEMPTABLE_CONTEXTS);
/* Bit 1 "Enabled Texel Offset Precision Fix" must be set in
* HALF_SLICE_CHICKEN7 register.
*/
brw_load_register_imm32(brw, HALF_SLICE_CHICKEN7,
TEXEL_OFFSET_FIX_MASK |
TEXEL_OFFSET_FIX_ENABLE);
/* WA_1406697149: Bit 9 "Error Detection Behavior Control" must be set
* in L3CNTLREG register. The default setting of the bit is not the
* desirable behavior.
*/
brw_load_register_imm32(brw, GEN8_L3CNTLREG,
GEN8_L3CNTLREG_EDBC_NO_HANG);
/* WA_2204188704: Pixel Shader Panic dispatch must be disabled.
*/
brw_load_register_imm32(brw, COMMON_SLICE_CHICKEN3,
PS_THREAD_PANIC_DISPATCH_MASK |
PS_THREAD_PANIC_DISPATCH);
/* WaEnableStateCacheRedirectToCS:icl */
brw_load_register_imm32(brw, SLICE_COMMON_ECO_CHICKEN1,
GEN11_STATE_CACHE_REDIRECT_TO_CS_SECTION_ENABLE |
REG_MASK(GEN11_STATE_CACHE_REDIRECT_TO_CS_SECTION_ENABLE));
}
if (devinfo->gen == 10 || devinfo->gen == 11) {
/* From gen10 workaround table in h/w specs:
*
* "On 3DSTATE_3D_MODE, driver must always program bits 31:16 of DW1
* a value of 0xFFFF"
*
* This means that we end up setting the entire 3D_MODE state. Bits
* in this register control things such as slice hashing and we want
* the default values of zero at the moment.
*/
BEGIN_BATCH(2);
OUT_BATCH(_3DSTATE_3D_MODE << 16 | (2 - 2));
OUT_BATCH(0xFFFF << 16);
ADVANCE_BATCH();
}
if (devinfo->gen == 9) {
/* Recommended optimizations for Victim Cache eviction and floating
* point blending.
*/
brw_load_register_imm32(brw, GEN7_CACHE_MODE_1,
REG_MASK(GEN9_FLOAT_BLEND_OPTIMIZATION_ENABLE) |
REG_MASK(GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC) |
GEN9_FLOAT_BLEND_OPTIMIZATION_ENABLE |
GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC);
if (gen_device_info_is_9lp(devinfo)) {
brw_load_register_imm32(brw, GEN7_GT_MODE,
GEN9_SUBSLICE_HASHING_MASK_BITS |
GEN9_SUBSLICE_HASHING_16x16);
}
}
if (devinfo->gen >= 8) {
gen8_emit_3dstate_sample_pattern(brw);
BEGIN_BATCH(5);
OUT_BATCH(_3DSTATE_WM_HZ_OP << 16 | (5 - 2));
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
BEGIN_BATCH(2);
OUT_BATCH(_3DSTATE_WM_CHROMAKEY << 16 | (2 - 2));
OUT_BATCH(0);
ADVANCE_BATCH();
}
/* Set the "CONSTANT_BUFFER Address Offset Disable" bit, so
* 3DSTATE_CONSTANT_XS buffer 0 is an absolute address.
*
* This is only safe on kernels with context isolation support.
*/
if (!compiler->constant_buffer_0_is_relative) {
if (devinfo->gen >= 9) {
BEGIN_BATCH(3);
OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
OUT_BATCH(CS_DEBUG_MODE2);
OUT_BATCH(REG_MASK(CSDBG2_CONSTANT_BUFFER_ADDRESS_OFFSET_DISABLE) |
CSDBG2_CONSTANT_BUFFER_ADDRESS_OFFSET_DISABLE);
ADVANCE_BATCH();
} else if (devinfo->gen == 8) {
BEGIN_BATCH(3);
OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
OUT_BATCH(INSTPM);
OUT_BATCH(REG_MASK(INSTPM_CONSTANT_BUFFER_ADDRESS_OFFSET_DISABLE) |
INSTPM_CONSTANT_BUFFER_ADDRESS_OFFSET_DISABLE);
ADVANCE_BATCH();
}
}
brw->object_preemption = false;
if (devinfo->gen >= 10)
brw_enable_obj_preemption(brw, true);
}