ac: add has_clear_state to ac_gpu_info

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

src/amd/common/ac_gpu_info.c

@@ -441,6 +441,12 @@ bool ac_query_gpu_info(int fd, void *dev_p,
 	info->num_sdma_rings = util_bitcount(dma.available_rings);
 	info->num_compute_rings = util_bitcount(compute.available_rings);
 
+	/* The mere presence of CLEAR_STATE in the IB causes random GPU hangs
+	 * on GFX6. Some CLEAR_STATE cause asic hang on radeon kernel, etc.
+	 * SPI_VS_OUT_CONFIG. So only enable GFX7 CLEAR_STATE on amdgpu kernel.
+	 */
+	info->has_clear_state = info->chip_class >= GFX7;
+
 	/* Get the number of good compute units. */
 	info->num_good_compute_units = 0;
 	for (i = 0; i < info->max_se; i++)

src/amd/common/ac_gpu_info.h

@@ -58,6 +58,7 @@ struct radeon_info {
 	uint32_t                    num_sdma_rings;
 	uint32_t                    clock_crystal_freq;
 	uint32_t                    tcc_cache_line_size;
+	bool                        has_clear_state;
 
 	/* There are 2 display DCC codepaths, because display expects unaligned DCC. */
 	/* Disable RB and pipe alignment to skip the retile blit. (1 RB chips only) */

src/amd/vulkan/radv_device.c

@@ -364,11 +364,6 @@ radv_physical_device_init(struct radv_physical_device *device,
 		                         device->rad_info.family == CHIP_RENOIR;
 	}
 
-	/* The mere presence of CLEAR_STATE in the IB causes random GPU hangs
-	 * on GFX6.
-	 */
-	device->has_clear_state = device->rad_info.chip_class >= GFX7;
-
 	device->cpdma_prefetch_writes_memory = device->rad_info.chip_class <= GFX8;
 
 	/* Vega10/Raven need a special workaround for a hardware bug. */

src/amd/vulkan/radv_private.h

@@ -282,7 +282,6 @@ struct radv_physical_device {
 
 	bool has_rbplus; /* if RB+ register exist */
 	bool rbplus_allowed; /* if RB+ is allowed */
-	bool has_clear_state;
 	bool cpdma_prefetch_writes_memory;
 	bool has_scissor_bug;
 	bool has_tc_compat_zrange_bug;

src/amd/vulkan/si_cmd_buffer.c

@@ -159,6 +159,7 @@ void
 si_emit_graphics(struct radv_physical_device *physical_device,
 		 struct radeon_cmdbuf *cs)
 {
+	bool has_clear_state = physical_device->rad_info.has_clear_state;
 	int i;
 
 	/* Since amdgpu version 3.6.0, CONTEXT_CONTROL is emitted by the kernel */
@@ -168,7 +169,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 		radeon_emit(cs, CONTEXT_CONTROL_SHADOW_ENABLE(1));
 	}
 
-	if (physical_device->has_clear_state) {
+	if (has_clear_state) {
 		radeon_emit(cs, PKT3(PKT3_CLEAR_STATE, 0, 0));
 		radeon_emit(cs, 0);
 	}
@@ -177,7 +178,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 		si_set_raster_config(physical_device, cs);
 
 	radeon_set_context_reg(cs, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64));
-	if (!physical_device->has_clear_state)
+	if (!has_clear_state)
 		radeon_set_context_reg(cs, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0));
 
 	/* FIXME calculate these values somehow ??? */
@@ -186,7 +187,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 		radeon_set_context_reg(cs, R_028A58_VGT_ES_PER_GS, 0x40);
 	}
 
-	if (!physical_device->has_clear_state) {
+	if (!has_clear_state) {
 		radeon_set_context_reg(cs, R_028A5C_VGT_GS_PER_VS, 0x2);
 		radeon_set_context_reg(cs, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0);
 		radeon_set_context_reg(cs, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0);
@@ -194,19 +195,19 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 
 	if (physical_device->rad_info.chip_class <= GFX9)
 		radeon_set_context_reg(cs, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 1);
-	if (!physical_device->has_clear_state)
+	if (!has_clear_state)
 		radeon_set_context_reg(cs, R_028AB8_VGT_VTX_CNT_EN, 0x0);
 	if (physical_device->rad_info.chip_class < GFX7)
 		radeon_set_config_reg(cs, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) |
 				      S_008A14_CLIP_VTX_REORDER_ENA(1));
 
-	if (!physical_device->has_clear_state)
+	if (!has_clear_state)
 		radeon_set_context_reg(cs, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0);
 
 	/* CLEAR_STATE doesn't clear these correctly on certain generations.
 	 * I don't know why. Deduced by trial and error.
 	 */
-	if (physical_device->rad_info.chip_class <= GFX7 || !physical_device->has_clear_state) {
+	if (physical_device->rad_info.chip_class <= GFX7 || !has_clear_state) {
 		radeon_set_context_reg(cs, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0);
 		radeon_set_context_reg(cs, R_028204_PA_SC_WINDOW_SCISSOR_TL,
 				       S_028204_WINDOW_OFFSET_DISABLE(1));
@@ -219,14 +220,14 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 				       S_028034_BR_X(16384) | S_028034_BR_Y(16384));
 	}
 
-	if (!physical_device->has_clear_state) {
+	if (!has_clear_state) {
 		for (i = 0; i < 16; i++) {
 			radeon_set_context_reg(cs, R_0282D0_PA_SC_VPORT_ZMIN_0 + i*8, 0);
 			radeon_set_context_reg(cs, R_0282D4_PA_SC_VPORT_ZMAX_0 + i*8, fui(1.0));
 		}
 	}
 
-	if (!physical_device->has_clear_state) {
+	if (!has_clear_state) {
 		radeon_set_context_reg(cs, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF);
 		radeon_set_context_reg(cs, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
 		/* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on GFX6 */
@@ -420,7 +421,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 
 		radeon_set_context_reg(cs, R_028B50_VGT_TESS_DISTRIBUTION,
 				       vgt_tess_distribution);
-	} else if (!physical_device->has_clear_state) {
+	} else if (!has_clear_state) {
 		radeon_set_context_reg(cs, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
 		radeon_set_context_reg(cs, R_028C5C_VGT_OUT_DEALLOC_CNTL, 16);
 	}
@@ -471,7 +472,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
 	radeon_emit(cs, S_028A04_MIN_SIZE(radv_pack_float_12p4(0)) |
 		    S_028A04_MAX_SIZE(radv_pack_float_12p4(8192/2)));
 
-	if (!physical_device->has_clear_state) {
+	if (!has_clear_state) {
 		radeon_set_context_reg(cs, R_028004_DB_COUNT_CONTROL,
 				       S_028004_ZPASS_INCREMENT_DISABLE(1));
 	}

src/gallium/drivers/radeonsi/si_gfx_cs.c

@@ -372,7 +372,7 @@ void si_begin_new_gfx_cs(struct si_context *ctx)
 		ctx->prefetch_L2_mask |= SI_PREFETCH_VBO_DESCRIPTORS;
 
 	/* CLEAR_STATE disables all colorbuffers, so only enable bound ones. */
-	bool has_clear_state = ctx->screen->has_clear_state;
+	bool has_clear_state = ctx->screen->info.has_clear_state;
 	if (has_clear_state) {
 		ctx->framebuffer.dirty_cbufs =
 			 u_bit_consecutive(0, ctx->framebuffer.state.nr_cbufs);

src/gallium/drivers/radeonsi/si_pipe.c

@@ -1109,12 +1109,6 @@ radeonsi_screen_create_impl(struct radeon_winsys *ws,
 			S_0089B0_OFFCHIP_BUFFERING(max_offchip_buffers);
 	}
 
-	/* The mere presense of CLEAR_STATE in the IB causes random GPU hangs
-	 * on GFX6. Some CLEAR_STATE cause asic hang on radeon kernel, etc.
-	 * SPI_VS_OUT_CONFIG. So only enable GFX7 CLEAR_STATE on amdgpu kernel. */
-	sscreen->has_clear_state = sscreen->info.chip_class >= GFX7 &&
-				   sscreen->info.is_amdgpu;
-
 	sscreen->has_distributed_tess =
 		sscreen->info.chip_class >= GFX8 &&
 		sscreen->info.max_se >= 2;

src/gallium/drivers/radeonsi/si_pipe.h

@@ -491,7 +491,6 @@ struct si_screen {
 	unsigned			eqaa_force_coverage_samples;
 	unsigned			eqaa_force_z_samples;
 	unsigned			eqaa_force_color_samples;
-	bool				has_clear_state;
 	bool				has_distributed_tess;
 	bool				has_draw_indirect_multi;
 	bool				has_out_of_order_rast;

src/gallium/drivers/radeonsi/si_state.c

@@ -5390,7 +5390,7 @@ static void si_init_config(struct si_context *sctx)
 {
 	struct si_screen *sscreen = sctx->screen;
 	uint64_t border_color_va = sctx->border_color_buffer->gpu_address;
-	bool has_clear_state = sscreen->has_clear_state;
+	bool has_clear_state = sscreen->info.has_clear_state;
 	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
 
 	if (!pm4)