linux-kernel - [RFC PATCH 1/9] drm/rockchip: vop: replace dpms with enable/disable

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Date:	Tue,  1 Dec 2015 11:26:23 +0800
From:	Mark Yao <mark.yao@...k-chips.com>
To:	David Airlie <airlied@...ux.ie>, Heiko Stuebner <heiko@...ech.de>,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	Mark Yao <mark.yao@...k-chips.com>
Subject: [RFC PATCH 1/9] drm/rockchip: vop: replace dpms with enable/disable

For vop, power by enable/disable is more suitable then legacy dpms
function, and enable/disable more closely to the new atomic API.

Signed-off-by: Mark Yao <mark.yao@...k-chips.com>
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c |   37 +++------------------------
 1 file changed, 4 insertions(+), 33 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 5f79d06..41905e2 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -633,7 +633,7 @@ static void vop_dsp_hold_valid_irq_disable(struct vop *vop)
 	spin_unlock_irqrestore(&vop->irq_lock, flags);
 }
 
-static void vop_enable(struct drm_crtc *crtc)
+static void vop_crtc_enable(struct drm_crtc *crtc)
 {
 	struct vop *vop = to_vop(crtc);
 	int ret;
@@ -703,7 +703,7 @@ err_disable_hclk:
 	clk_disable(vop->hclk);
 }
 
-static void vop_disable(struct drm_crtc *crtc)
+static void vop_crtc_disable(struct drm_crtc *crtc)
 {
 	struct vop *vop = to_vop(crtc);
 
@@ -1108,30 +1108,6 @@ static const struct rockchip_crtc_funcs private_crtc_funcs = {
 	.disable_vblank = vop_crtc_disable_vblank,
 };
 
-static void vop_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
-
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-		vop_enable(crtc);
-		break;
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-	case DRM_MODE_DPMS_OFF:
-		vop_disable(crtc);
-		break;
-	default:
-		DRM_DEBUG_KMS("unspecified mode %d\n", mode);
-		break;
-	}
-}
-
-static void vop_crtc_prepare(struct drm_crtc *crtc)
-{
-	vop_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
 static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
 				const struct drm_display_mode *mode,
 				struct drm_display_mode *adjusted_mode)
@@ -1242,17 +1218,12 @@ out:
 	return ret;
 }
 
-static void vop_crtc_commit(struct drm_crtc *crtc)
-{
-}
-
 static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = {
-	.dpms = vop_crtc_dpms,
-	.prepare = vop_crtc_prepare,
+	.enable = vop_crtc_enable,
+	.disable = vop_crtc_disable,
 	.mode_fixup = vop_crtc_mode_fixup,
 	.mode_set = vop_crtc_mode_set,
 	.mode_set_base = vop_crtc_mode_set_base,
-	.commit = vop_crtc_commit,
 };
 
 static int vop_crtc_page_flip(struct drm_crtc *crtc,
-- 
1.7.9.5


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