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authorDave Airlie <airlied@redhat.com>2019-05-31 09:33:29 +1000
committerDave Airlie <airlied@redhat.com>2019-05-31 10:04:39 +1000
commit91c1ead6aee22d4595f50ba66070b94a4a8f84a9 (patch)
tree066ffa1c352b6257dd37cda6a1df53159e133f2e /drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
parent14ee642c2ab0a3d8a1ded11fade692d8b77172b9 (diff)
parentcf401e2856b27b2deeada498eab864e2a50cf219 (diff)
Merge branch 'drm-next-5.3' of git://people.freedesktop.org/~agd5f/linux into drm-next
New stuff for 5.3: - Add new thermal sensors for vega asics - Various RAS fixes - Add sysfs interface for memory interface utilization - Use HMM rather than mmu notifier for user pages - Expose xgmi topology via kfd - SR-IOV fixes - Fixes for manual driver reload - Add unique identifier for vega asics - Clean up user fence handling with UVD/VCE/VCN blocks - Convert DC to use core bpc attribute rather than a custom one - Add GWS support for KFD - Vega powerplay improvements - Add CRC support for DCE 12 - SR-IOV support for new security policy - Various cleanups From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190529220944.14464-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 86cc24b2e0aa..af9835c8395d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -289,6 +289,34 @@ static int psp_asd_load(struct psp_context *psp)
return ret;
}
+static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+ uint32_t id, uint32_t value)
+{
+ cmd->cmd_id = GFX_CMD_ID_PROG_REG;
+ cmd->cmd.cmd_setup_reg_prog.reg_value = value;
+ cmd->cmd.cmd_setup_reg_prog.reg_id = id;
+}
+
+int psp_reg_program(struct psp_context *psp, enum psp_reg_prog_id reg,
+ uint32_t value)
+{
+ struct psp_gfx_cmd_resp *cmd = NULL;
+ int ret = 0;
+
+ if (reg >= PSP_REG_LAST)
+ return -EINVAL;
+
+ cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ psp_prep_reg_prog_cmd_buf(cmd, reg, value);
+ ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+ kfree(cmd);
+ return ret;
+}
+
static void psp_prep_xgmi_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint64_t xgmi_ta_mc, uint64_t xgmi_mc_shared,
uint32_t xgmi_ta_size, uint32_t shared_size)