* [PATCH 1/2] drm/amdgpu/psp: add check sOS sign
@ 2017-03-29 9:26 Xiangliang Yu
[not found] ` <1490779607-24341-1-git-send-email-Xiangliang.Yu-5C7GfCeVMHo@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Xiangliang Yu @ 2017-03-29 9:26 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Xiangliang Yu
Confirm if sys driver and sOS are already been loaded through sOS
sign register, skip loading sys driver and sOS if finding the sign.
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
---
drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index 49c3844..5191c45 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -170,7 +170,14 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
void *psp_sysdrv_virt = NULL;
uint64_t psp_sysdrv_mem;
struct amdgpu_device *adev = psp->adev;
- uint32_t size;
+ uint32_t size, sol_reg;
+
+ /* Check sOS sign of life register to confirm sys driver and sOS
+ * are already been loaded.
+ */
+ sol_reg = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81));
+ if (sol_reg)
+ return 0;
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
@@ -222,7 +229,14 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
void *psp_sos_virt = NULL;
uint64_t psp_sos_mem;
struct amdgpu_device *adev = psp->adev;
- uint32_t size;
+ uint32_t size, sol_reg;
+
+ /* Check sOS sign of life register to confirm sys driver and sOS
+ * are already been loaded.
+ */
+ sol_reg = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81));
+ if (sol_reg)
+ return 0;
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
--
2.7.4
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [PATCH 1/2] drm/amdgpu/psp: add check sOS sign
[not found] ` <1490779607-24341-1-git-send-email-Xiangliang.Yu-5C7GfCeVMHo@public.gmane.org>
@ 2017-03-29 21:42 ` Deucher, Alexander
0 siblings, 0 replies; 2+ messages in thread
From: Deucher, Alexander @ 2017-03-29 21:42 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Yu, Xiangliang
> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces@lists.freedesktop.org] On Behalf
> Of Xiangliang Yu
> Sent: Wednesday, March 29, 2017 5:27 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Yu, Xiangliang
> Subject: [PATCH 1/2] drm/amdgpu/psp: add check sOS sign
>
> Confirm if sys driver and sOS are already been loaded through sOS
> sign register, skip loading sys driver and sOS if finding the sign.
>
> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Series is:
Acked-by: Alex Deucher <alexander.deucher@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
> b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
> index 49c3844..5191c45 100644
> --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
> @@ -170,7 +170,14 @@ int psp_v3_1_bootloader_load_sysdrv(struct
> psp_context *psp)
> void *psp_sysdrv_virt = NULL;
> uint64_t psp_sysdrv_mem;
> struct amdgpu_device *adev = psp->adev;
> - uint32_t size;
> + uint32_t size, sol_reg;
> +
> + /* Check sOS sign of life register to confirm sys driver and sOS
> + * are already been loaded.
> + */
> + sol_reg = RREG32(SOC15_REG_OFFSET(MP0, 0,
> mmMP0_SMN_C2PMSG_81));
> + if (sol_reg)
> + return 0;
>
> /* Wait for bootloader to signify that is ready having bit 31 of
> C2PMSG_35 set to 1 */
> ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0,
> mmMP0_SMN_C2PMSG_35),
> @@ -222,7 +229,14 @@ int psp_v3_1_bootloader_load_sos(struct
> psp_context *psp)
> void *psp_sos_virt = NULL;
> uint64_t psp_sos_mem;
> struct amdgpu_device *adev = psp->adev;
> - uint32_t size;
> + uint32_t size, sol_reg;
> +
> + /* Check sOS sign of life register to confirm sys driver and sOS
> + * are already been loaded.
> + */
> + sol_reg = RREG32(SOC15_REG_OFFSET(MP0, 0,
> mmMP0_SMN_C2PMSG_81));
> + if (sol_reg)
> + return 0;
>
> /* Wait for bootloader to signify that is ready having bit 31 of
> C2PMSG_35 set to 1 */
> ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0,
> mmMP0_SMN_C2PMSG_35),
> --
> 2.7.4
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-03-29 9:26 [PATCH 1/2] drm/amdgpu/psp: add check sOS sign Xiangliang Yu
[not found] ` <1490779607-24341-1-git-send-email-Xiangliang.Yu-5C7GfCeVMHo@public.gmane.org>
2017-03-29 21:42 ` Deucher, Alexander
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