From b0dfb38811ed601bca0f52a2425fa4eae760f9aa Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Mon, 13 Feb 2017 10:14:23 -0700 Subject: drm/msm: Add a property for the GMEM base Return the base address of GMEM in virtual address space as a parameter. Change-Id: Ic0dedbad3b849052313e4673efcf6c22bc81f21f Signed-off-by: Jordan Crouse --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 3 +++ include/uapi/drm/msm_drm.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index e4a6d2ba93e3..fad7a5fd9d60 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -35,6 +35,9 @@ 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_GMEM_BASE: + *value = 0x100000; + return 0; case MSM_PARAM_CHIP_ID: *value = adreno_gpu->rev.patchid | (adreno_gpu->rev.minor << 8) | diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index 587d35ce1638..20ef9bc424f3 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -54,6 +54,7 @@ struct drm_msm_timespec { #define MSM_PARAM_CHIP_ID 0x03 #define MSM_PARAM_MAX_FREQ 0x04 #define MSM_PARAM_TIMESTAMP 0x05 +#define MSM_PARAM_GMEM_BASE 0x06 struct drm_msm_param { __u32 pipe; /* in, MSM_PIPE_x */ -- cgit v1.2.3