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Commit e3689e47 authored by Jordan Crouse's avatar Jordan Crouse Committed by Rob Clark
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drm/msm: Add MSM_PARAM_GMEM_BASE 



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

Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent ee546cd3

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

+3 −0
Original line number Diff line number Diff line
@@ -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) |

include/uapi/drm/msm_drm.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */