]> git.itanic.dy.fi Git - linux-stable/commitdiff
drm/amdgpu/gfx10,11: use memcpy_to/fromio for MQDs
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 26 Oct 2023 18:47:57 +0000 (14:47 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 3 Nov 2023 15:38:19 +0000 (11:38 -0400)
Since they were moved to VRAM, we need to use the IO
variants of memcpy.

Fixes: 1cfb4d612127 ("drm/amdgpu: put MQDs in VRAM")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c

index c9f4e82520708cfc11c089aea3375cd0c73a8d03..dafb8cc1c6846828cb4e22238e7b4aafacbfa648 100644 (file)
@@ -6465,7 +6465,7 @@ static int gfx_v10_0_gfx_init_queue(struct amdgpu_ring *ring)
                nv_grbm_select(adev, 0, 0, 0, 0);
                mutex_unlock(&adev->srbm_mutex);
                if (adev->gfx.me.mqd_backup[mqd_idx])
-                       memcpy(adev->gfx.me.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
+                       memcpy_fromio(adev->gfx.me.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
        } else {
                mutex_lock(&adev->srbm_mutex);
                nv_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
@@ -6476,7 +6476,7 @@ static int gfx_v10_0_gfx_init_queue(struct amdgpu_ring *ring)
                mutex_unlock(&adev->srbm_mutex);
                /* restore mqd with the backup copy */
                if (adev->gfx.me.mqd_backup[mqd_idx])
-                       memcpy(mqd, adev->gfx.me.mqd_backup[mqd_idx], sizeof(*mqd));
+                       memcpy_toio(mqd, adev->gfx.me.mqd_backup[mqd_idx], sizeof(*mqd));
                /* reset the ring */
                ring->wptr = 0;
                *ring->wptr_cpu_addr = 0;
@@ -6750,7 +6750,7 @@ static int gfx_v10_0_kiq_init_queue(struct amdgpu_ring *ring)
        if (amdgpu_in_reset(adev)) { /* for GPU_RESET case */
                /* reset MQD to a clean status */
                if (adev->gfx.kiq[0].mqd_backup)
-                       memcpy(mqd, adev->gfx.kiq[0].mqd_backup, sizeof(*mqd));
+                       memcpy_toio(mqd, adev->gfx.kiq[0].mqd_backup, sizeof(*mqd));
 
                /* reset ring buffer */
                ring->wptr = 0;
@@ -6773,7 +6773,7 @@ static int gfx_v10_0_kiq_init_queue(struct amdgpu_ring *ring)
                mutex_unlock(&adev->srbm_mutex);
 
                if (adev->gfx.kiq[0].mqd_backup)
-                       memcpy(adev->gfx.kiq[0].mqd_backup, mqd, sizeof(*mqd));
+                       memcpy_fromio(adev->gfx.kiq[0].mqd_backup, mqd, sizeof(*mqd));
        }
 
        return 0;
@@ -6794,11 +6794,11 @@ static int gfx_v10_0_kcq_init_queue(struct amdgpu_ring *ring)
                mutex_unlock(&adev->srbm_mutex);
 
                if (adev->gfx.mec.mqd_backup[mqd_idx])
-                       memcpy(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
+                       memcpy_fromio(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
        } else {
                /* restore MQD to a clean status */
                if (adev->gfx.mec.mqd_backup[mqd_idx])
-                       memcpy(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(*mqd));
+                       memcpy_toio(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(*mqd));
                /* reset ring buffer */
                ring->wptr = 0;
                atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 0);
index 7aef7a3a340fe92a55c8a1c30de1578f7fdd91d7..0c6133cc5e5780b55e48b26b21e23df3fe11ebd6 100644 (file)
@@ -3715,11 +3715,11 @@ static int gfx_v11_0_gfx_init_queue(struct amdgpu_ring *ring)
                soc21_grbm_select(adev, 0, 0, 0, 0);
                mutex_unlock(&adev->srbm_mutex);
                if (adev->gfx.me.mqd_backup[mqd_idx])
-                       memcpy(adev->gfx.me.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
+                       memcpy_fromio(adev->gfx.me.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
        } else {
                /* restore mqd with the backup copy */
                if (adev->gfx.me.mqd_backup[mqd_idx])
-                       memcpy(mqd, adev->gfx.me.mqd_backup[mqd_idx], sizeof(*mqd));
+                       memcpy_toio(mqd, adev->gfx.me.mqd_backup[mqd_idx], sizeof(*mqd));
                /* reset the ring */
                ring->wptr = 0;
                *ring->wptr_cpu_addr = 0;
@@ -4008,7 +4008,7 @@ static int gfx_v11_0_kiq_init_queue(struct amdgpu_ring *ring)
        if (amdgpu_in_reset(adev)) { /* for GPU_RESET case */
                /* reset MQD to a clean status */
                if (adev->gfx.kiq[0].mqd_backup)
-                       memcpy(mqd, adev->gfx.kiq[0].mqd_backup, sizeof(*mqd));
+                       memcpy_toio(mqd, adev->gfx.kiq[0].mqd_backup, sizeof(*mqd));
 
                /* reset ring buffer */
                ring->wptr = 0;
@@ -4031,7 +4031,7 @@ static int gfx_v11_0_kiq_init_queue(struct amdgpu_ring *ring)
                mutex_unlock(&adev->srbm_mutex);
 
                if (adev->gfx.kiq[0].mqd_backup)
-                       memcpy(adev->gfx.kiq[0].mqd_backup, mqd, sizeof(*mqd));
+                       memcpy_fromio(adev->gfx.kiq[0].mqd_backup, mqd, sizeof(*mqd));
        }
 
        return 0;
@@ -4052,11 +4052,11 @@ static int gfx_v11_0_kcq_init_queue(struct amdgpu_ring *ring)
                mutex_unlock(&adev->srbm_mutex);
 
                if (adev->gfx.mec.mqd_backup[mqd_idx])
-                       memcpy(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
+                       memcpy_fromio(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(*mqd));
        } else {
                /* restore MQD to a clean status */
                if (adev->gfx.mec.mqd_backup[mqd_idx])
-                       memcpy(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(*mqd));
+                       memcpy_toio(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(*mqd));
                /* reset ring buffer */
                ring->wptr = 0;
                atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 0);