drm/msm/sde: add resource management for writeback and cdm
Add resource management control for writeback and cdm hadware drivers.
This enables sharing of hardware resources among multiple controlling
components.
Change-Id: Ieac1058b4ccb6a59c934c3ad5053dae20ca8c4e5
Signed-off-by: Alan Kwong <akwong@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_kms.h b/drivers/gpu/drm/msm/sde/sde_kms.h
index d399979..f465fef 100644
--- a/drivers/gpu/drm/msm/sde/sde_kms.h
+++ b/drivers/gpu/drm/msm/sde/sde_kms.h
@@ -21,6 +21,8 @@
#include "sde_hw_ctl.h"
#include "sde_hw_lm.h"
#include "sde_hw_interrupts.h"
+#include "sde_hw_wb.h"
+#include "sde_hw_top.h"
#include "sde_connector.h"
/**
@@ -79,9 +81,11 @@
*/
struct sde_hw_res_map {
enum sde_intf intf;
+ enum sde_wb wb;
enum sde_lm lm;
enum sde_pingpong pp;
enum sde_ctl ctl;
+ enum sde_cdm cdm;
};
/* struct sde_hw_resource_manager : Resource manager maintains the current
@@ -89,6 +93,7 @@
* hw resources ex:ctl_path hw driver context
* is needed by CRTCs/PLANEs/ENCODERs
* @ctl : table of control path hw driver contexts allocated
+ * @cdm : table of chroma down path hw driver contexts allocated
* @mixer : list of mixer hw drivers contexts allocated
* @intr : pointer to hw interrupt context
* @res_table : pointer to default hw_res table for this platform
@@ -97,6 +102,7 @@
*/
struct sde_hw_resource_manager {
struct sde_hw_ctl *ctl[CTL_MAX];
+ struct sde_hw_cdm *cdm[CDM_MAX];
struct sde_hw_mixer *mixer[LM_MAX];
struct sde_hw_intr *intr;
const struct sde_hw_res_map *res_table;
@@ -411,6 +417,14 @@
enum sde_ctl idx);
void sde_rm_release_ctl_path(struct sde_kms *sde_kms,
enum sde_ctl idx);
+
+struct sde_hw_cdm *sde_rm_acquire_cdm_path(struct sde_kms *sde_kms,
+ enum sde_cdm idx, struct sde_hw_mdp *hw_mdp);
+struct sde_hw_cdm *sde_rm_get_cdm_path(struct sde_kms *sde_kms,
+ enum sde_cdm idx);
+void sde_rm_release_cdm_path(struct sde_kms *sde_kms,
+ enum sde_cdm idx);
+
struct sde_hw_mixer *sde_rm_acquire_mixer(struct sde_kms *sde_kms,
enum sde_lm idx);
struct sde_hw_mixer *sde_rm_get_mixer(struct sde_kms *sde_kms,
@@ -421,7 +435,7 @@
struct sde_hw_intr *sde_rm_get_intr(struct sde_kms *sde_kms);
const struct sde_hw_res_map *sde_rm_get_res_map(struct sde_kms *sde_kms,
- enum sde_intf idx);
+ enum sde_intf intf, enum sde_wb wb);
/**
* IRQ functions
@@ -583,6 +597,7 @@
*/
struct sde_encoder_hw_resources {
enum sde_intf_mode intfs[INTF_MAX];
+ enum sde_intf_mode wbs[WB_MAX];
bool pingpongs[PINGPONG_MAX];
bool ctls[CTL_MAX];
bool pingpongsplit;