linux-kernel - [PATCH v5 09/10] drm/atmel-hlcdc: Use crtc->mode

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Message-Id: <95fd6c06c58bd0b957e36a8d7068e6a74b581304.1495720737.git.joabreu@synopsys.com>
Date:   Thu, 25 May 2017 15:19:21 +0100
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:     Jose Abreu <Jose.Abreu@...opsys.com>,
        Carlos Palminha <CARLOS.PALMINHA@...opsys.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        David Airlie <airlied@...ux.ie>
Subject: [PATCH v5 09/10] drm/atmel-hlcdc: Use crtc->mode_valid() callback

Now that we have a callback to check if crtc supports a given mode
we can use it in atmel-hlcdc so that we restrict the number of probbed
modes to the ones we can actually display.

Also, remove the mode_fixup() callback as this is no longer needed
because mode_valid() will be called before.

NOTE: Not even compiled tested

Signed-off-by: Jose Abreu <joabreu@...opsys.com>
Cc: Carlos Palminha <palminha@...opsys.com>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>
Cc: Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc: David Airlie <airlied@...ux.ie>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index 53bfa56..bdfe74e 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -140,13 +140,12 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
 			   cfg);
 }
 
-static bool atmel_hlcdc_crtc_mode_fixup(struct drm_crtc *c,
-					const struct drm_display_mode *mode,
-					struct drm_display_mode *adjusted_mode)
+static enum drm_mode_status atmel_hlcdc_crtc_mode_valid(struct drm_crtc *c,
+							const struct drm_display_mode *mode)
 {
 	struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
 
-	return atmel_hlcdc_dc_mode_valid(crtc->dc, adjusted_mode) == MODE_OK;
+	return atmel_hlcdc_dc_mode_valid(crtc->dc, mode);
 }
 
 static void atmel_hlcdc_crtc_disable(struct drm_crtc *c)
@@ -315,7 +314,7 @@ static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc,
 }
 
 static const struct drm_crtc_helper_funcs lcdc_crtc_helper_funcs = {
-	.mode_fixup = atmel_hlcdc_crtc_mode_fixup,
+	.mode_valid = atmel_hlcdc_crtc_mode_valid,
 	.mode_set = drm_helper_crtc_mode_set,
 	.mode_set_nofb = atmel_hlcdc_crtc_mode_set_nofb,
 	.mode_set_base = drm_helper_crtc_mode_set_base,
-- 
1.9.1