diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 71 |
1 files changed, 20 insertions, 51 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h index 9c580a017094..6d2b04f306f0 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -11,37 +11,24 @@ #include "msm_kms.h" #include "dpu_hw_top.h" +struct dpu_global_state; + /** * struct dpu_rm - DPU dynamic hardware resource manager - * @hw_blks: array of lists of hardware resources present in the system, one - * list per type of hardware block + * @pingpong_blks: array of pingpong hardware resources + * @mixer_blks: array of layer mixer hardware resources + * @ctl_blks: array of ctl hardware resources + * @intf_blks: array of intf hardware resources * @lm_max_width: cached layer mixer maximum width * @rm_lock: resource manager mutex */ struct dpu_rm { - struct list_head hw_blks[DPU_HW_BLK_MAX]; - uint32_t lm_max_width; - struct mutex rm_lock; -}; + struct dpu_hw_blk *pingpong_blks[PINGPONG_MAX - PINGPONG_0]; + struct dpu_hw_blk *mixer_blks[LM_MAX - LM_0]; + struct dpu_hw_blk *ctl_blks[CTL_MAX - CTL_0]; + struct dpu_hw_blk *intf_blks[INTF_MAX - INTF_0]; -/** - * struct dpu_rm_hw_blk - resource manager internal structure - * forward declaration for single iterator definition without void pointer - */ -struct dpu_rm_hw_blk; - -/** - * struct dpu_rm_hw_iter - iterator for use with dpu_rm - * @hw: dpu_hw object requested, or NULL on failure - * @blk: dpu_rm internal block representation. Clients ignore. Used as iterator. - * @enc_id: DRM ID of Encoder client wishes to search for, or 0 for Any Encoder - * @type: Hardware Block Type client wishes to search for. - */ -struct dpu_rm_hw_iter { - void *hw; - struct dpu_rm_hw_blk *blk; - uint32_t enc_id; - enum dpu_hw_blk_type type; + uint32_t lm_max_width; }; /** @@ -74,14 +61,13 @@ int dpu_rm_destroy(struct dpu_rm *rm); * @drm_enc: DRM Encoder handle * @crtc_state: Proposed Atomic DRM CRTC State handle * @topology: Pointer to topology info for the display - * @test_only: Atomic-Test phase, discard results (unless property overrides) * @Return: 0 on Success otherwise -ERROR */ int dpu_rm_reserve(struct dpu_rm *rm, + struct dpu_global_state *global_state, struct drm_encoder *drm_enc, struct drm_crtc_state *crtc_state, - struct msm_display_topology topology, - bool test_only); + struct msm_display_topology topology); /** * dpu_rm_reserve - Given the encoder for the display chain, release any @@ -90,31 +76,14 @@ int dpu_rm_reserve(struct dpu_rm *rm, * @enc: DRM Encoder handle * @Return: 0 on Success otherwise -ERROR */ -void dpu_rm_release(struct dpu_rm *rm, struct drm_encoder *enc); +void dpu_rm_release(struct dpu_global_state *global_state, + struct drm_encoder *enc); /** - * dpu_rm_init_hw_iter - setup given iterator for new iteration over hw list - * using dpu_rm_get_hw - * @iter: iter object to initialize - * @enc_id: DRM ID of Encoder client wishes to search for, or 0 for Any Encoder - * @type: Hardware Block Type client wishes to search for. - */ -void dpu_rm_init_hw_iter( - struct dpu_rm_hw_iter *iter, - uint32_t enc_id, - enum dpu_hw_blk_type type); -/** - * dpu_rm_get_hw - retrieve reserved hw object given encoder and hw type - * Meant to do a single pass through the hardware list to iteratively - * retrieve hardware blocks of a given type for a given encoder. - * Initialize an iterator object. - * Set hw block type of interest. Set encoder id of interest, 0 for any. - * Function returns first hw of type for that encoder. - * Subsequent calls will return the next reserved hw of that type in-order. - * Iterator HW pointer will be null on failure to find hw. - * @rm: DPU Resource Manager handle - * @iter: iterator object - * @Return: true on match found, false on no match found + * Get hw resources of the given type that are assigned to this encoder. */ -bool dpu_rm_get_hw(struct dpu_rm *rm, struct dpu_rm_hw_iter *iter); +int dpu_rm_get_assigned_resources(struct dpu_rm *rm, + struct dpu_global_state *global_state, uint32_t enc_id, + enum dpu_hw_blk_type type, struct dpu_hw_blk **blks, int blks_size); #endif /* __DPU_RM_H__ */ + |