From b39f1303b9596039a90da419b7057e607d54ac46 Mon Sep 17 00:00:00 2001 From: Tao Zhou Date: Wed, 27 Sep 2023 18:02:29 +0800 Subject: [PATCH] drm/amdgpu: update retry times for psp vmbx wait [ Upstream commit fc598890715669ff794b253fdf387cd02b9396f8 ] Increase the retry loops and replace the constant number with macro. Signed-off-by: Tao Zhou Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c index 469eed084..52d80f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -59,6 +59,9 @@ MODULE_FIRMWARE("amdgpu/psp_14_0_0_ta.bin"); /* Read USB-PD from LFB */ #define GFX_CMD_USB_PD_USE_LFB 0x480 +/* Retry times for vmbx ready wait */ +#define PSP_VMBX_POLLING_LIMIT 20000 + /* VBIOS gfl defines */ #define MBOX_READY_MASK 0x80000000 #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; 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 ready having bit 31 of C2PMSG_33 set to 1 */ ret = psp_wait_for( -- 2.7.4