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drm/msm/dpu: handle merge_3d configuration in hw_ctl block

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Active HW CTL blocks need separate handling for merge_3d flushes.
Implement necessary merge_3d configuration and flushing.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Dmitry Baryshkov 2020-10-22 16:16:56 +03:00 committed by Rob Clark
parent 4369c93cf3
commit c40e6c6733
2 changed files with 28 additions and 0 deletions
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16
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
View File

@ -22,7 +22,9 @@
#define CTL_PREPARE 0x0d0
#define CTL_SW_RESET 0x030
#define CTL_LAYER_EXTN_OFFSET 0x40
#define CTL_MERGE_3D_ACTIVE 0x0E4
#define CTL_INTF_ACTIVE 0x0F4
#define CTL_MERGE_3D_FLUSH 0x100
#define CTL_INTF_FLUSH 0x110
#define CTL_INTF_MASTER 0x134
@ -30,6 +32,7 @@
#define CTL_FLUSH_MASK_CTL BIT(17)
#define DPU_REG_RESET_TIMEOUT_US 2000
#define MERGE_3D_IDX 23
#define INTF_IDX 31
static const struct dpu_ctl_cfg *_ctl_offset(enum dpu_ctl ctl,
@ -112,6 +115,9 @@ static u32 dpu_hw_ctl_get_pending_flush(struct dpu_hw_ctl *ctx)
static inline void dpu_hw_ctl_trigger_flush_v1(struct dpu_hw_ctl *ctx)
{
if (ctx->pending_flush_mask & BIT(MERGE_3D_IDX))
DPU_REG_WRITE(&ctx->hw, CTL_MERGE_3D_FLUSH,
ctx->pending_merge_3d_flush_mask);
if (ctx->pending_flush_mask & BIT(INTF_IDX))
DPU_REG_WRITE(&ctx->hw, CTL_INTF_FLUSH,
ctx->pending_intf_flush_mask);
@ -242,6 +248,13 @@ static void dpu_hw_ctl_update_pending_flush_intf_v1(struct dpu_hw_ctl *ctx,
ctx->pending_flush_mask |= BIT(INTF_IDX);
}
static void dpu_hw_ctl_update_pending_flush_merge_3d_v1(struct dpu_hw_ctl *ctx,
enum dpu_merge_3d merge_3d)
{
ctx->pending_merge_3d_flush_mask |= BIT(merge_3d - MERGE_3D_0);
ctx->pending_flush_mask |= BIT(MERGE_3D_IDX);
}
static uint32_t dpu_hw_ctl_get_bitmask_dspp(struct dpu_hw_ctl *ctx,
enum dpu_dspp dspp)
{
@ -483,6 +496,7 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
DPU_REG_WRITE(c, CTL_TOP, mode_sel);
DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE, BIT(cfg->merge_3d - MERGE_3D_0));
}
static void dpu_hw_ctl_intf_cfg(struct dpu_hw_ctl *ctx,
@ -523,6 +537,8 @@ static void _setup_ctl_ops(struct dpu_hw_ctl_ops *ops,
ops->setup_intf_cfg = dpu_hw_ctl_intf_cfg_v1;
ops->update_pending_flush_intf =
dpu_hw_ctl_update_pending_flush_intf_v1;
ops->update_pending_flush_merge_3d =
dpu_hw_ctl_update_pending_flush_merge_3d_v1;
} else {
ops->trigger_flush = dpu_hw_ctl_trigger_flush;
ops->setup_intf_cfg = dpu_hw_ctl_intf_cfg;

12
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
View File

@ -37,12 +37,14 @@ struct dpu_hw_stage_cfg {
* struct dpu_hw_intf_cfg :Describes how the DPU writes data to output interface
* @intf : Interface id
* @mode_3d: 3d mux configuration
* @merge_3d: 3d merge block used
* @intf_mode_sel: Interface mode, cmd / vid
* @stream_sel: Stream selection for multi-stream interfaces
*/
struct dpu_hw_intf_cfg {
enum dpu_intf intf;
enum dpu_3d_blend_mode mode_3d;
enum dpu_merge_3d merge_3d;
enum dpu_ctl_mode_sel intf_mode_sel;
int stream_sel;
};
@ -99,6 +101,15 @@ struct dpu_hw_ctl_ops {
void (*update_pending_flush_intf)(struct dpu_hw_ctl *ctx,
enum dpu_intf blk);
/**
* OR in the given flushbits to the cached pending_(merge_3d_)flush_mask
* No effect on hardware
* @ctx : ctl path ctx pointer
* @blk : interface block index
*/
void (*update_pending_flush_merge_3d)(struct dpu_hw_ctl *ctx,
enum dpu_merge_3d blk);
/**
* Write the value of the pending_flush_mask to hardware
* @ctx : ctl path ctx pointer
@ -181,6 +192,7 @@ struct dpu_hw_ctl {
const struct dpu_lm_cfg *mixer_hw_caps;
u32 pending_flush_mask;
u32 pending_intf_flush_mask;
u32 pending_merge_3d_flush_mask;
/* ops */
struct dpu_hw_ctl_ops ops;