Commit 5145d57e authored by Jay Cornwall's avatar Jay Cornwall Committed by Alex Deucher
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drm/amdkfd: Extend CU mask to 8 SEs (v3)



Following bitmap layout logic introduced by:
"drm/amdgpu: support get_cu_info for Arcturus".

v2: squash in fixup for gfx_v9_0.c (Alex)
v3: squash in debug print output fix

Signed-off-by: default avatarJay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 857b82d0
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+4 −0
Original line number Diff line number Diff line
@@ -3341,6 +3341,10 @@ static int gfx_v9_0_mqd_init(struct amdgpu_ring *ring)
	mqd->compute_static_thread_mgmt_se1 = 0xffffffff;
	mqd->compute_static_thread_mgmt_se2 = 0xffffffff;
	mqd->compute_static_thread_mgmt_se3 = 0xffffffff;
	mqd->compute_static_thread_mgmt_se4 = 0xffffffff;
	mqd->compute_static_thread_mgmt_se5 = 0xffffffff;
	mqd->compute_static_thread_mgmt_se6 = 0xffffffff;
	mqd->compute_static_thread_mgmt_se7 = 0xffffffff;
	mqd->compute_misc_reserved = 0x00000003;

	mqd->dynamic_cu_mask_addr_lo =
+5 −5
Original line number Diff line number Diff line
@@ -98,8 +98,8 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
		uint32_t *se_mask)
{
	struct kfd_cu_info cu_info;
	uint32_t cu_per_sh[4] = {0};
	int i, se, cu = 0;
	uint32_t cu_per_se[KFD_MAX_NUM_SE] = {0};
	int i, se, sh, cu = 0;

	amdgpu_amdkfd_get_cu_info(mm->dev->kgd, &cu_info);

@@ -107,8 +107,8 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
		cu_mask_count = cu_info.cu_active_number;

	for (se = 0; se < cu_info.num_shader_engines; se++)
		for (i = 0; i < 4; i++)
			cu_per_sh[se] += hweight32(cu_info.cu_bitmap[se][i]);
		for (sh = 0; sh < cu_info.num_shader_arrays_per_engine; sh++)
			cu_per_se[se] += hweight32(cu_info.cu_bitmap[se % 4][sh + (se / 4)]);

	/* Symmetrically map cu_mask to all SEs:
	 * cu_mask[0] bit0 -> se_mask[0] bit0;
@@ -128,6 +128,6 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
				se = 0;
				cu++;
			}
		} while (cu >= cu_per_sh[se] && cu < 32);
		} while (cu >= cu_per_se[se] && cu < 32);
	}
}
+2 −0
Original line number Diff line number Diff line
@@ -26,6 +26,8 @@

#include "kfd_priv.h"

#define KFD_MAX_NUM_SE 8

/**
 * struct mqd_manager
 *
+15 −3
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ static void update_cu_mask(struct mqd_manager *mm, void *mqd,
			struct queue_properties *q)
{
	struct v9_mqd *m;
	uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */
	uint32_t se_mask[KFD_MAX_NUM_SE] = {0};

	if (q->cu_mask_count == 0)
		return;
@@ -59,12 +59,20 @@ static void update_cu_mask(struct mqd_manager *mm, void *mqd,
	m->compute_static_thread_mgmt_se1 = se_mask[1];
	m->compute_static_thread_mgmt_se2 = se_mask[2];
	m->compute_static_thread_mgmt_se3 = se_mask[3];
	m->compute_static_thread_mgmt_se4 = se_mask[4];
	m->compute_static_thread_mgmt_se5 = se_mask[5];
	m->compute_static_thread_mgmt_se6 = se_mask[6];
	m->compute_static_thread_mgmt_se7 = se_mask[7];

	pr_debug("update cu mask to %#x %#x %#x %#x\n",
	pr_debug("update cu mask to %#x %#x %#x %#x %#x %#x %#x %#x\n",
		m->compute_static_thread_mgmt_se0,
		m->compute_static_thread_mgmt_se1,
		m->compute_static_thread_mgmt_se2,
		m->compute_static_thread_mgmt_se3);
		m->compute_static_thread_mgmt_se3,
		m->compute_static_thread_mgmt_se4,
		m->compute_static_thread_mgmt_se5,
		m->compute_static_thread_mgmt_se6,
		m->compute_static_thread_mgmt_se7);
}

static void set_priority(struct v9_mqd *m, struct queue_properties *q)
@@ -125,6 +133,10 @@ static void init_mqd(struct mqd_manager *mm, void **mqd,
	m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se4 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se5 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se6 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se7 = 0xFFFFFFFF;

	m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK |
			0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT;
+4 −4
Original line number Diff line number Diff line
@@ -196,10 +196,10 @@ struct v9_mqd {
	uint32_t compute_wave_restore_addr_lo;
	uint32_t compute_wave_restore_addr_hi;
	uint32_t compute_wave_restore_control;
	uint32_t reserved_39;
	uint32_t reserved_40;
	uint32_t reserved_41;
	uint32_t reserved_42;
	uint32_t compute_static_thread_mgmt_se4;
	uint32_t compute_static_thread_mgmt_se5;
	uint32_t compute_static_thread_mgmt_se6;
	uint32_t compute_static_thread_mgmt_se7;
	uint32_t reserved_43;
	uint32_t reserved_44;
	uint32_t reserved_45;