[PATCH] drm/amdgpu: correct initial cp_hqd_quantum for gfx9

Ma, Le Le.Ma at amd.com
Mon Sep 27 06:13:56 UTC 2021


[AMD Official Use Only]

Reviewed-by: Le Ma <Le.Ma at amd.com>

-----Original Message-----
From: Hawking Zhang <Hawking.Zhang at amd.com>
Sent: Sunday, September 26, 2021 10:29 PM
To: amd-gfx at lists.freedesktop.org; Ma, Le <Le.Ma at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Zhang, Morris <Shiwu.Zhang at amd.com>
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>
Subject: [PATCH] drm/amdgpu: correct initial cp_hqd_quantum for gfx9

didn't read the value of mmCP_HQD_QUANTUM from correct register offset

Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 603c259..025184a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3599,7 +3599,7 @@ static int gfx_v9_0_mqd_init(struct amdgpu_ring *ring)

        /* set static priority for a queue/ring */
        gfx_v9_0_mqd_set_priority(ring, mqd);
-       mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM);
+       mqd->cp_hqd_quantum = RREG32_SOC15(GC, 0, mmCP_HQD_QUANTUM);

        /* map_queues packet doesn't need activate the queue,
         * so only kiq need set this field.
--
2.7.4



More information about the amd-gfx mailing list