diff options
| author | AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> | 2021-09-11 19:39:18 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2022-02-18 20:28:08 +0300 |
| commit | 787067989c31971e0fbbaf910e6c5ac0d4f41d64 (patch) | |
| tree | bbef89a8bc76090beb6add5039845aebd4112b43 /drivers/gpu/drm/msm/disp | |
| parent | 5752c921d267101e1abfc74a27a003b5c04e72bb (diff) | |
| download | linux-787067989c31971e0fbbaf910e6c5ac0d4f41d64.tar.xz | |
drm/msm/dpu: Add a function to retrieve the current CTL status
Add a function that returns whether the requested CTL is active or not:
this will be used in a later commit to fix command mode panel issues.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210911163919.47173-1-angelogioacchino.delregno@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c index 02da9ecf71f1..3584f5ee6bb3 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c @@ -92,6 +92,11 @@ static inline void dpu_hw_ctl_trigger_start(struct dpu_hw_ctl *ctx) DPU_REG_WRITE(&ctx->hw, CTL_START, 0x1); } +static inline bool dpu_hw_ctl_is_started(struct dpu_hw_ctl *ctx) +{ + return !!(DPU_REG_READ(&ctx->hw, CTL_START) & BIT(0)); +} + static inline void dpu_hw_ctl_trigger_pending(struct dpu_hw_ctl *ctx) { trace_dpu_hw_ctl_trigger_prepare(ctx->pending_flush_mask, @@ -587,6 +592,7 @@ static void _setup_ctl_ops(struct dpu_hw_ctl_ops *ops, ops->get_pending_flush = dpu_hw_ctl_get_pending_flush; ops->get_flush_register = dpu_hw_ctl_get_flush_register; ops->trigger_start = dpu_hw_ctl_trigger_start; + ops->is_started = dpu_hw_ctl_is_started; ops->trigger_pending = dpu_hw_ctl_trigger_pending; ops->reset = dpu_hw_ctl_reset_control; ops->wait_reset_status = dpu_hw_ctl_wait_reset_status; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h index 806c171e5df2..ac1544474022 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h @@ -62,6 +62,13 @@ struct dpu_hw_ctl_ops { void (*trigger_start)(struct dpu_hw_ctl *ctx); /** + * check if the ctl is started + * @ctx : ctl path ctx pointer + * @Return: true if started, false if stopped + */ + bool (*is_started)(struct dpu_hw_ctl *ctx); + + /** * kickoff prepare is in progress hw operation for sw * controlled interfaces: DSI cmd mode and WB interface * are SW controlled |