linux-kernel - [PATCH] drm/meson/meson_venc: Relax the supported mode checks

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Date:   Fri, 10 Feb 2023 11:55:34 +0100
From:   Carlo Caione <ccaione@...libre.com>
To:     Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Carlo Caione <ccaione@...libre.com>
Subject: [PATCH] drm/meson/meson_venc: Relax the supported mode checks

Relax a bit the supported modes list by including also 480x1920. This
was actually tested on real hardware and it works correctly.

Signed-off-by: Carlo Caione <ccaione@...libre.com>
---
drm/meson/meson_venc: Add more supported resolutions.

In particular relax the resolution checks to allow more resolutions like
480x1920.

To: Neil Armstrong <neil.armstrong@...aro.org>
To: David Airlie <airlied@...il.com>
To: Daniel Vetter <daniel@...ll.ch>
To: Kevin Hilman <khilman@...libre.com>
To: Jerome Brunet <jbrunet@...libre.com>
To: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: dri-devel@...ts.freedesktop.org
Cc: linux-amlogic@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/gpu/drm/meson/meson_venc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_venc.c b/drivers/gpu/drm/meson/meson_venc.c
index 3c55ed003359..5b3621589a9f 100644
--- a/drivers/gpu/drm/meson/meson_venc.c
+++ b/drivers/gpu/drm/meson/meson_venc.c
@@ -866,10 +866,10 @@ meson_venc_hdmi_supported_mode(const struct drm_display_mode *mode)
 			    DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))
 		return MODE_BAD;
 
-	if (mode->hdisplay < 640 || mode->hdisplay > 1920)
+	if (mode->hdisplay < 480 || mode->hdisplay > 1920)
 		return MODE_BAD_HVALUE;
 
-	if (mode->vdisplay < 480 || mode->vdisplay > 1200)
+	if (mode->vdisplay < 480 || mode->vdisplay > 1920)
 		return MODE_BAD_VVALUE;
 
 	return MODE_OK;

---
base-commit: 38c1e0c65865426676123cc9a127526fa02bcac6
change-id: 20230210-relax_dmt_limits-355e2a1c7ccf

Best regards,
-- 
Carlo Caione