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drm/amdgpu: update retry times for psp vmbx wait

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Increase the retry loops and replace the constant number with macro.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou 2023-09-27 18:02:29 +08:00 committed by Alex Deucher
parent 30a24318cc
commit fc59889071
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
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@ -59,6 +59,9 @@ MODULE_FIRMWARE("amdgpu/psp_14_0_0_ta.bin");
/* Read USB-PD from LFB */ /* Read USB-PD from LFB */
#define GFX_CMD_USB_PD_USE_LFB 0x480 #define GFX_CMD_USB_PD_USE_LFB 0x480
/* Retry times for vmbx ready wait */
#define PSP_VMBX_POLLING_LIMIT 20000
/* VBIOS gfl defines */ /* VBIOS gfl defines */
#define MBOX_READY_MASK 0x80000000 #define MBOX_READY_MASK 0x80000000
#define MBOX_STATUS_MASK 0x0000FFFF #define MBOX_STATUS_MASK 0x0000FFFF
@ -138,7 +141,7 @@ static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp)
struct amdgpu_device *adev = psp->adev; struct amdgpu_device *adev = psp->adev;
int retry_loop, ret; int retry_loop, ret;
for (retry_loop = 0; retry_loop < 70; retry_loop++) { for (retry_loop = 0; retry_loop < PSP_VMBX_POLLING_LIMIT; retry_loop++) {
/* Wait for bootloader to signify that is /* Wait for bootloader to signify that is
ready having bit 31 of C2PMSG_33 set to 1 */ ready having bit 31 of C2PMSG_33 set to 1 */
ret = psp_wait_for( ret = psp_wait_for(