Message ID | 20240409-bugfix-jt240mhqs_hwt_ek_e3-timing-v1-1-f9ccf6e7a881@wolfvision.net (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Tue, 9 Apr 2024 10:40:51 +0000 From: Gerald Loacker <gerald.loacker@wolfvision.net> Date: Tue, 09 Apr 2024 12:40:39 +0200 Subject: [PATCH 1/3] drm/panel: sitronix-st7789v: fix timing for jt240mhqs_hwt_ek_e3 panel Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240409-bugfix-jt240mhqs_hwt_ek_e3-timing-v1-1-f9ccf6e7a881@wolfvision.net> References: <20240409-bugfix-jt240mhqs_hwt_ek_e3-timing-v1-0-f9ccf6e7a881@wolfvision.net> In-Reply-To: <20240409-bugfix-jt240mhqs_hwt_ek_e3-timing-v1-0-f9ccf6e7a881@wolfvision.net> To: Neil Armstrong <neil.armstrong@linaro.org>, Jessica Zhang <quic_jesszhan@quicinc.com>, Sam Ravnborg <sam@ravnborg.org>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Gerald Loacker <gerald.loacker@wolfvision.net> X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; 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drm/panel: sitronix-st7789v: fixes for jt240mhqs_hwt_ek_e3 panel
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diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index 88e80fe98112..32e5c0348038 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -286,9 +286,9 @@ static const struct drm_display_mode jt240mhqs_hwt_ek_e3_mode = { .hsync_end = 240 + 28 + 10, .htotal = 240 + 28 + 10 + 10, .vdisplay = 280, - .vsync_start = 280 + 8, - .vsync_end = 280 + 8 + 4, - .vtotal = 280 + 8 + 4 + 4, + .vsync_start = 280 + 48, + .vsync_end = 280 + 48 + 4, + .vtotal = 280 + 48 + 4 + 4, .width_mm = 43, .height_mm = 37, .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
Flickering was observed when using partial mode. Moving the vsync to the same position as used by the default sitronix-st7789v timing resolves this issue. Signed-off-by: Gerald Loacker <gerald.loacker@wolfvision.net> --- drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)