diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2618-drm-amd-powerplay-increase-waiting-time-for-smu-resp.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2618-drm-amd-powerplay-increase-waiting-time-for-smu-resp.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2618-drm-amd-powerplay-increase-waiting-time-for-smu-resp.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2618-drm-amd-powerplay-increase-waiting-time-for-smu-resp.patch new file mode 100644 index 00000000..dc5b8d5a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2618-drm-amd-powerplay-increase-waiting-time-for-smu-resp.patch @@ -0,0 +1,43 @@ +From 3cb414a92f15b0cdefb5d9bf3dc1499463e7424d Mon Sep 17 00:00:00 2001 +From: Jack Xiao <Jack.Xiao@amd.com> +Date: Wed, 3 Jul 2019 11:56:07 +0800 +Subject: [PATCH 2618/2940] drm/amd/powerplay: increase waiting time for smu + response + +We observed some SMU commands take more time for execution, +so increase waiting time for response. + +Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> +Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> +--- + drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +index bc396908e7b3..88d3127d5bcb 100644 +--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c ++++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +@@ -64,9 +64,9 @@ static int smu_v11_0_read_arg(struct smu_context *smu, uint32_t *arg) + static int smu_v11_0_wait_for_response(struct smu_context *smu) + { + struct amdgpu_device *adev = smu->adev; +- uint32_t cur_value, i; ++ uint32_t cur_value, i, timeout = adev->usec_timeout * 10; + +- for (i = 0; i < adev->usec_timeout; i++) { ++ for (i = 0; i < timeout; i++) { + cur_value = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90); + if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0) + break; +@@ -74,7 +74,7 @@ static int smu_v11_0_wait_for_response(struct smu_context *smu) + } + + /* timeout means wrong logic */ +- if (i == adev->usec_timeout) ++ if (i == timeout) + return -ETIME; + + return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90) == 0x1 ? 0 : -EIO; +-- +2.17.1 + |