diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 048c8be426f3..0783e4b5486a 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -14,6 +14,7 @@ #include <linux/pm_opp.h> #include <linux/slab.h> #include <linux/soc/qcom/mdt_loader.h> +#include <soc/qcom/ocmem.h> #include "adreno_gpu.h" #include "msm_gem.h" #include "msm_mmu.h" @@ -893,6 +894,45 @@ static int adreno_get_pwrlevels(struct device *dev, return 0; } +int adreno_gpu_ocmem_init(struct device *dev, struct adreno_gpu *adreno_gpu, + struct adreno_ocmem *adreno_ocmem) +{ + struct ocmem_buf *ocmem_hdl; + struct ocmem *ocmem; + + ocmem = of_get_ocmem(dev); + if (IS_ERR(ocmem)) { + if (PTR_ERR(ocmem) == -ENODEV) { + /* + * Return success since either the ocmem property was + * not specified in device tree, or ocmem support is + * not compiled into the kernel. + */ + return 0; + } + + return PTR_ERR(ocmem); + } + + ocmem_hdl = ocmem_allocate(ocmem, OCMEM_GRAPHICS, adreno_gpu->gmem); + if (IS_ERR(ocmem_hdl)) + return PTR_ERR(ocmem_hdl); + + adreno_ocmem->ocmem = ocmem; + adreno_ocmem->base = ocmem_hdl->addr; + adreno_ocmem->hdl = ocmem_hdl; + adreno_gpu->gmem = ocmem_hdl->len; + + return 0; +} + +void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *adreno_ocmem) +{ + if (adreno_ocmem && adreno_ocmem->base) + ocmem_free(adreno_ocmem->ocmem, OCMEM_GRAPHICS, + adreno_ocmem->hdl); +} + int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, struct adreno_gpu *adreno_gpu, const struct adreno_gpu_funcs *funcs, int nr_rings) |