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path: root/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
index 78eab4d48e38..fa4b423c399b 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
@@ -30,6 +30,8 @@
#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
#include <uapi/linux/kfd_ioctl.h>
+#define NPS_MODE_MASK 0x000000FFL
+
static void nbio_v7_9_remap_hdp_registers(struct amdgpu_device *adev)
{
WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
@@ -406,6 +408,15 @@ static void nbio_v7_9_set_compute_partition_mode(struct amdgpu_device *adev,
WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_COMPUTE_STATUS, tmp);
}
+static enum amdgpu_memory_partition nbio_v7_9_get_memory_partition_mode(struct amdgpu_device *adev)
+{
+ u32 tmp;
+ tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_STATUS);
+ tmp = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_MEM_STATUS, NPS_MODE);
+
+ return ffs(tmp);
+}
+
const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
.get_hdp_flush_req_offset = nbio_v7_9_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v7_9_get_hdp_flush_done_offset,
@@ -428,4 +439,5 @@ const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
.remap_hdp_registers = nbio_v7_9_remap_hdp_registers,
.get_compute_partition_mode = nbio_v7_9_get_compute_partition_mode,
.set_compute_partition_mode = nbio_v7_9_set_compute_partition_mode,
+ .get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
};