diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_surface.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_surface.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c index a5e86f9b148f..f40e4fd52fa2 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c @@ -23,6 +23,8 @@ * */ +#include <linux/mm.h> + /* DC interface (public) */ #include "dm_services.h" #include "dc.h" @@ -48,6 +50,25 @@ static void construct(struct dc_context *ctx, struct dc_plane_state *plane_state plane_state->in_transfer_func->type = TF_TYPE_BYPASS; plane_state->in_transfer_func->ctx = ctx; } +#if defined(CONFIG_DRM_AMD_DC_DCN2_0) + plane_state->in_shaper_func = dc_create_transfer_func(); + if (plane_state->in_shaper_func != NULL) { + plane_state->in_shaper_func->type = TF_TYPE_BYPASS; + plane_state->in_shaper_func->ctx = ctx; + } + + plane_state->lut3d_func = dc_create_3dlut_func(); + if (plane_state->lut3d_func != NULL) { + plane_state->lut3d_func->ctx = ctx; + plane_state->lut3d_func->initialized = false; + } + plane_state->blend_tf = dc_create_transfer_func(); + if (plane_state->blend_tf != NULL) { + plane_state->blend_tf->type = TF_TYPE_BYPASS; + plane_state->blend_tf->ctx = ctx; + } + +#endif } static void destruct(struct dc_plane_state *plane_state) @@ -60,6 +81,24 @@ static void destruct(struct dc_plane_state *plane_state) plane_state->in_transfer_func); plane_state->in_transfer_func = NULL; } +#if defined(CONFIG_DRM_AMD_DC_DCN2_0) + if (plane_state->in_shaper_func != NULL) { + dc_transfer_func_release( + plane_state->in_shaper_func); + plane_state->in_shaper_func = NULL; + } + if (plane_state->lut3d_func != NULL) { + dc_3dlut_func_release( + plane_state->lut3d_func); + plane_state->lut3d_func = NULL; + } + if (plane_state->blend_tf != NULL) { + dc_transfer_func_release( + plane_state->blend_tf); + plane_state->blend_tf = NULL; + } + +#endif } /******************************************************************************* @@ -224,4 +263,40 @@ alloc_fail: return NULL; } +#if defined(CONFIG_DRM_AMD_DC_DCN2_0) +static void dc_3dlut_func_free(struct kref *kref) +{ + struct dc_3dlut *lut = container_of(kref, struct dc_3dlut, refcount); + + kvfree(lut); +} + +struct dc_3dlut *dc_create_3dlut_func(void) +{ + struct dc_3dlut *lut = kvzalloc(sizeof(*lut), GFP_KERNEL); + + if (lut == NULL) + goto alloc_fail; + + kref_init(&lut->refcount); + lut->initialized = false; + + return lut; + +alloc_fail: + return NULL; + +} + +void dc_3dlut_func_release(struct dc_3dlut *lut) +{ + kref_put(&lut->refcount, dc_3dlut_func_free); +} + +void dc_3dlut_func_retain(struct dc_3dlut *lut) +{ + kref_get(&lut->refcount); +} +#endif + |