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authorRob Clark <robdclark@gmail.com>2014-02-04 14:16:04 -0500
committerRob Clark <robdclark@gmail.com>2014-03-31 10:27:46 -0400
commit4e1cbaa3eb1c051d330f0586045bb719a8b9a8ae (patch)
tree386054ebbc5fc712df65698fca2d12a6b2ef6377 /drivers/gpu/drm/msm
parent37d77c3ab589bf8e3160a33b651fe6dd7439ba48 (diff)
downloadlinux-4e1cbaa3eb1c051d330f0586045bb719a8b9a8ae.tar.bz2
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: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm')
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 7a11563379b8..28ca8cd8b09e 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -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;