diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.h b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.h index b2075b8c363b..42e715024bc9 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.h +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.h @@ -8,6 +8,7 @@ #include "os_types.h" #include "dml_top_soc_parameter_types.h" +#include "dml_top_display_cfg_types.h" struct dc; struct dc_state; @@ -65,4 +66,67 @@ struct socbb_ip_params_external { struct dml2_ip_capabilities ip_params; struct dml2_soc_bb soc_bb; }; + +/*mcache parameters decided by dml*/ +struct dc_mcache_params { + bool valid; + /* + * For iMALL, dedicated mall mcaches are required (sharing of last + * slice possible), for legacy phantom or phantom without return + * the only mall mcaches need to be valid. + */ + bool requires_dedicated_mall_mcache; + unsigned int num_mcaches_plane0; + unsigned int num_mcaches_plane1; + /* + * Generally, plane0/1 slices must use a disjoint set of caches + * but in some cases the final segement of the two planes can + * use the same cache. If plane0_plane1 is set, then this is + * allowed. + * + * Similarly, the caches allocated to MALL prefetcher are generally + * disjoint, but if mall_prefetch is set, then the final segment + * between the main and the mall pixel requestor can use the same + * cache. + * + * Note that both bits may be set at the same time. + */ + struct { + bool mall_comb_mcache_p0; + bool mall_comb_mcache_p1; + bool plane0_plane1; + } last_slice_sharing; + /* + * A plane is divided into vertical slices of mcaches, + * which wrap on the surface width. + * + * For example, if the surface width is 7680, and split into + * three slices of equal width, the boundary array would contain + * [2560, 5120, 7680] + * + * The assignments are + * 0 = [0 .. 2559] + * 1 = [2560 .. 5119] + * 2 = [5120 .. 7679] + * 0 = [7680 .. INF] + * The final element implicitly is the same as the first, and + * at first seems invalid since it is never referenced (since) + * it is outside the surface. However, its useful when shifting + * (see below). + * + * For any given valid mcache assignment, a shifted version, wrapped + * on the surface width boundary is also assumed to be valid. + * + * For example, shifting [2560, 5120, 7680] by -50 results in + * [2510, 5170, 7630]. + * + * The assignments are now: + * 0 = [0 .. 2509] + * 1 = [2510 .. 5169] + * 2 = [5170 .. 7629] + * 0 = [7630 .. INF] + */ + int mcache_x_offsets_plane0[DML2_MAX_MCACHES + 1]; + int mcache_x_offsets_plane1[DML2_MAX_MCACHES + 1]; +}; #endif |