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Message-ID: <20210902150351.3779-1-raphael.gallais-pou@foss.st.com>
Date: Thu, 2 Sep 2021 15:04:34 +0000
From: Raphael GALLAIS-POU - foss <raphael.gallais-pou@...s.st.com>
To: Thierry Reding <thierry.reding@...il.com>
CC: Sam Ravnborg <sam@...nborg.org>, David Airlie <airlied@...ux.ie>,
"Daniel Vetter" <daniel@...ll.ch>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Yannick FERTRE - foss <yannick.fertre@...s.st.com>,
Philippe CORNU - foss <philippe.cornu@...s.st.com>,
Raphael GALLAIS-POU - foss <raphael.gallais-pou@...s.st.com>,
Raphael GALLAIS-POU <raphael.gallais-pou@...com>
Subject: [PATCH] drm/panel: otm8009a: add a 60 fps mode
This patch adds a 60 fps mode to the Orisetech OTM8009A panel.
The 50 fps mode is left as preferred.
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
---
.../gpu/drm/panel/panel-orisetech-otm8009a.c | 85 ++++++++++++-------
1 file changed, 56 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
index f80b44a8a700..dfb43b1374e7 100644
--- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
+++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
@@ -60,6 +60,9 @@
#define MCS_CMD2_ENA1 0xFF00 /* Enable Access Command2 "CMD2" */
#define MCS_CMD2_ENA2 0xFF80 /* Enable Access Orise Command2 */
+#define OTM8009A_HDISPLAY 480
+#define OTM8009A_VDISPLAY 800
+
struct otm8009a {
struct device *dev;
struct drm_panel panel;
@@ -70,19 +73,35 @@ struct otm8009a {
bool enabled;
};
-static const struct drm_display_mode default_mode = {
- .clock = 29700,
- .hdisplay = 480,
- .hsync_start = 480 + 98,
- .hsync_end = 480 + 98 + 32,
- .htotal = 480 + 98 + 32 + 98,
- .vdisplay = 800,
- .vsync_start = 800 + 15,
- .vsync_end = 800 + 15 + 10,
- .vtotal = 800 + 15 + 10 + 14,
- .flags = 0,
- .width_mm = 52,
- .height_mm = 86,
+static const struct drm_display_mode modes[] = {
+ { /* 50 Hz, preferred */
+ .clock = 29700,
+ .hdisplay = 480,
+ .hsync_start = 480 + 98,
+ .hsync_end = 480 + 98 + 32,
+ .htotal = 480 + 98 + 32 + 98,
+ .vdisplay = 800,
+ .vsync_start = 800 + 15,
+ .vsync_end = 800 + 15 + 10,
+ .vtotal = 800 + 15 + 10 + 14,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+ .width_mm = 52,
+ .height_mm = 86,
+ },
+ { /* 60 Hz */
+ .clock = 33000,
+ .hdisplay = 480,
+ .hsync_start = 480 + 70,
+ .hsync_end = 480 + 70 + 32,
+ .htotal = 480 + 70 + 32 + 72,
+ .vdisplay = 800,
+ .vsync_start = 800 + 15,
+ .vsync_end = 800 + 15 + 10,
+ .vtotal = 800 + 15 + 10 + 16,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+ .width_mm = 52,
+ .height_mm = 86,
+ },
};
static inline struct otm8009a *panel_to_otm8009a(struct drm_panel *panel)
@@ -208,12 +227,11 @@ static int otm8009a_init_sequence(struct otm8009a *ctx)
/* Default portrait 480x800 rgb24 */
dcs_write_seq(ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
- ret = mipi_dsi_dcs_set_column_address(dsi, 0,
- default_mode.hdisplay - 1);
+ ret = mipi_dsi_dcs_set_column_address(dsi, 0, OTM8009A_HDISPLAY - 1);
if (ret)
return ret;
- ret = mipi_dsi_dcs_set_page_address(dsi, 0, default_mode.vdisplay - 1);
+ ret = mipi_dsi_dcs_set_page_address(dsi, 0, OTM8009A_VDISPLAY - 1);
if (ret)
return ret;
@@ -337,24 +355,33 @@ static int otm8009a_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
struct drm_display_mode *mode;
-
- mode = drm_mode_duplicate(connector->dev, &default_mode);
- if (!mode) {
- dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
- default_mode.hdisplay, default_mode.vdisplay,
- drm_mode_vrefresh(&default_mode));
- return -ENOMEM;
+ unsigned int num_modes = ARRAY_SIZE(modes);
+ unsigned int i;
+
+ for (i = 0; i < num_modes; i++) {
+ mode = drm_mode_duplicate(connector->dev, &modes[i]);
+ if (!mode) {
+ dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
+ modes[i].hdisplay,
+ modes[i].vdisplay,
+ drm_mode_vrefresh(&modes[i]));
+ return -ENOMEM;
+ }
+
+ mode->type = DRM_MODE_TYPE_DRIVER;
+
+ /* Setting first mode as preferred */
+ if (!i)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
}
- drm_mode_set_name(mode);
-
- mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
- drm_mode_probed_add(connector, mode);
-
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
- return 1;
+ return num_modes;
}
static const struct drm_panel_funcs otm8009a_drm_funcs = {
--
2.17.1
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