diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dm_helpers.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dm_helpers.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dm_helpers.h b/drivers/gpu/drm/amd/display/dc/dm_helpers.h index 8bde1d688f2e..b2cc2bf95712 100644 --- a/drivers/gpu/drm/amd/display/dc/dm_helpers.h +++ b/drivers/gpu/drm/amd/display/dc/dm_helpers.h @@ -35,6 +35,29 @@ struct dp_mst_stream_allocation_table; +#ifdef CONFIG_DRM_AMD_DC_DCN3_0 +/* + * Allocate memory accessible by the GPU + * + * frame buffer allocations must be aligned to a 4096-byte boundary + * + * Returns virtual address, sets addr to physical address + */ +void *dm_helpers_allocate_gpu_mem( + struct dc_context *ctx, + enum dc_gpu_mem_alloc_type type, + size_t size, + long long *addr); + +/* + * Free the GPU-accessible memory at the virtual address pvMem + */ +void dm_helpers_free_gpu_mem( + struct dc_context *ctx, + enum dc_gpu_mem_alloc_type type, + void *pvMem); + +#endif enum dc_edid_status dm_helpers_parse_edid_caps( struct dc_context *ctx, const struct dc_edid *edid, |