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drm/msm: Add MSM_PARAM_GMEM_BASE

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User space needs to know where the GMEM whole starts so that they
can set up the addressing correctly.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jordan Crouse 2017-03-07 10:02:53 -07:00 committed by Rob Clark
parent ee546cd34a
commit e3689e470f
2 changed files with 4 additions and 0 deletions
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3
drivers/gpu/drm/msm/adreno/adreno_gpu.c
View file

@ -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) |

1
include/uapi/drm/msm_drm.h
View file

@ -72,6 +72,7 @@ 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 */