evie/android_kernel_oneplus_msm8998
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drm/msm: Add API support for getting GPU hang timeout

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Userspace needs to know the GPU timeout value to support Khronos robust
GPU timeout extension. The timeout value is returned to the user in
millisecond resolution.

Change-Id: Iba2ff43fce6d21da240356b392afa7a6e7a618ad
Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
This commit is contained in:
Sharat Masetty 2017-11-13 18:48:22 +05:30
parent ce488494ce
commit 1ff6f9bca6
2 changed files with 11 additions and 7 deletions
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3
drivers/gpu/drm/msm/adreno/adreno_gpu.c
View file

@ -61,6 +61,9 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value)
case MSM_PARAM_NR_RINGS:
*value = gpu->nr_rings;
return 0;
case MSM_PARAM_GPU_HANG_TIMEOUT:
*value = DRM_MSM_HANGCHECK_PERIOD;
return 0;
default:
DBG("%s: invalid param: %u", gpu->name, param);
return -EINVAL;

15
include/uapi/drm/msm_drm.h
View file

@ -112,13 +112,14 @@ struct drm_msm_ext_panel_hdr_properties {
__u32 hdr_min_luminance; /* Min Luminance */
};
#define MSM_PARAM_GPU_ID 0x01
#define MSM_PARAM_GMEM_SIZE 0x02
#define MSM_PARAM_CHIP_ID 0x03
#define MSM_PARAM_MAX_FREQ 0x04
#define MSM_PARAM_TIMESTAMP 0x05
#define MSM_PARAM_GMEM_BASE 0x06
#define MSM_PARAM_NR_RINGS 0x07
#define MSM_PARAM_GPU_ID 0x01
#define MSM_PARAM_GMEM_SIZE 0x02
#define MSM_PARAM_CHIP_ID 0x03
#define MSM_PARAM_MAX_FREQ 0x04
#define MSM_PARAM_TIMESTAMP 0x05
#define MSM_PARAM_GMEM_BASE 0x06
#define MSM_PARAM_NR_RINGS 0x07
#define MSM_PARAM_GPU_HANG_TIMEOUT 0xa0 /* timeout in ms */
struct drm_msm_param {
__u32 pipe; /* in, MSM_PIPE_x */