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Subject[PATCH v6 30/30] drm/rockchip: psr: Remove flush by CRTC
Date
From: Tomasz Figa <tfiga@chromium.org>

It is not used anymore after last changes and it was not even correct to
begin with as it assumed a 1:1 relation between a CRTC and encoder,
while in fact a CRTC can be attached to multiple encoders.

Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
---

drivers/gpu/drm/rockchip/rockchip_drm_psr.c | 35 -----------------------------
drivers/gpu/drm/rockchip/rockchip_drm_psr.h | 1 -
2 files changed, 36 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c b/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
index 1bf5cba9a64d..b1988ac758d5 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
@@ -40,23 +40,6 @@ struct psr_drv {
int (*set)(struct drm_encoder *encoder, bool enable);
};

-static struct psr_drv *find_psr_by_crtc(struct drm_crtc *crtc)
-{
- struct rockchip_drm_private *drm_drv = crtc->dev->dev_private;
- struct psr_drv *psr;
-
- mutex_lock(&drm_drv->psr_list_lock);
- list_for_each_entry(psr, &drm_drv->psr_list, list) {
- if (psr->encoder->crtc == crtc)
- goto out;
- }
- psr = ERR_PTR(-ENODEV);
-
-out:
- mutex_unlock(&drm_drv->psr_list_lock);
- return psr;
-}
-
static struct psr_drv *find_psr_by_encoder(struct drm_encoder *encoder)
{
struct rockchip_drm_private *drm_drv = encoder->dev->dev_private;
@@ -173,24 +156,6 @@ static void rockchip_drm_do_flush(struct psr_drv *psr)
mutex_unlock(&psr->lock);
}

-/**
- * rockchip_drm_psr_flush - flush a single pipe
- * @crtc: CRTC of the pipe to flush
- *
- * Returns:
- * 0 on success, -errno on fail
- */
-int rockchip_drm_psr_flush(struct drm_crtc *crtc)
-{
- struct psr_drv *psr = find_psr_by_crtc(crtc);
- if (IS_ERR(psr))
- return PTR_ERR(psr);
-
- rockchip_drm_do_flush(psr);
- return 0;
-}
-EXPORT_SYMBOL(rockchip_drm_psr_flush);
-
/**
* rockchip_drm_psr_flush_all - force to flush all registered PSR encoders
* @dev: drm device
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_psr.h b/drivers/gpu/drm/rockchip/rockchip_drm_psr.h
index 40e026c14168..860c62494496 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_psr.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_psr.h
@@ -16,7 +16,6 @@
#define __ROCKCHIP_DRM_PSR___

void rockchip_drm_psr_flush_all(struct drm_device *dev);
-int rockchip_drm_psr_flush(struct drm_crtc *crtc);

int rockchip_drm_psr_inhibit_put(struct drm_encoder *encoder);
int rockchip_drm_psr_inhibit_get(struct drm_encoder *encoder);
--
2.16.3
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