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From bb67d025b4fb92d3be1356c7ccb43d89fab544c8 Mon Sep 17 00:00:00 2001
From: "Tianci.Yin" <tianci.yin@amd.com>
Date: Mon, 30 Sep 2019 14:16:42 +0800
Subject: [PATCH 4208/4736] drm/amdgpu: introduce psp_v11_0_is_sos_alive
interface(v2)
introduce psp_v11_0_is_sos_alive func for common use.
Change-Id: I5ab83987da84fe19fce93f35ae385c0d8ae3c39e
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
---
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index f2f67af65b94..b52af59079b7 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -214,18 +214,26 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
return err;
}
+static bool psp_v11_0_is_sos_alive(struct psp_context *psp)
+{
+ struct amdgpu_device *adev = psp->adev;
+ uint32_t sol_reg;
+
+ sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
+
+ return sol_reg != 0x0;
+}
+
static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
{
int ret;
uint32_t psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
- uint32_t sol_reg;
/* Check tOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
- sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
- if (sol_reg) {
+ if (psp_v11_0_is_sos_alive(psp)) {
psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
dev_info(adev->dev, "sos fw version = 0x%x.\n", psp->sos_fw_version);
return 0;
@@ -261,13 +269,11 @@ static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
int ret;
uint32_t psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
- uint32_t sol_reg;
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
- sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
- if (sol_reg) {
+ if (psp_v11_0_is_sos_alive(psp)) {
psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
dev_info(adev->dev, "sos fw version = 0x%x.\n", psp->sos_fw_version);
return 0;
@@ -305,13 +311,11 @@ static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
int ret;
unsigned int psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
- uint32_t sol_reg;
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
- sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
- if (sol_reg)
+ if (psp_v11_0_is_sos_alive(psp))
return 0;
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
--
2.17.1
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