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Commit 4e1cbaa3 authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm: add chip-id param 



Some of the w/a or different behavior of userspace blob driver seem to
be keyed to gpu patch revision, rather than gpu-id.  So expose the full
chip-id to userspace so it can DTRT.

Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent 37d77c3a

drivers/gpu/drm/msm/adreno/adreno_gpu.c

+6 −0
Original line number Diff line number Diff line
@@ -73,6 +73,12 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) 
	case MSM_PARAM_GMEM_SIZE:

		*value = adreno_gpu->gmem;

		return 0;

	case MSM_PARAM_CHIP_ID:

		*value = adreno_gpu->rev.patchid |

				(adreno_gpu->rev.minor << 8) |

				(adreno_gpu->rev.major << 16) |

				(adreno_gpu->rev.core << 24);

		return 0;

	default:

		DBG("%s: invalid param: %u", gpu->name, param);

		return -EINVAL;

include/uapi/drm/msm_drm.h

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ struct drm_msm_timespec { 


#define MSM_PARAM_GPU_ID     0x01

#define MSM_PARAM_GMEM_SIZE  0x02

#define MSM_PARAM_CHIP_ID    0x03



struct drm_msm_param {

	uint32_t pipe;           /* in, MSM_PIPE_x */